Construction & Specialty Contracting · EBITDA Multiples

Construction Company Valuation & EBITDA Multiples

Construction companies sell for 4x–12x adjusted EBITDA in 2026 — but sub-segment drives more of the spread than size. Specialty trades with data-center or power-infrastructure exposure trade 2–4 turns above general contractors, while PE buyers now represent the majority of US construction M&A for the first time ever.

Updated 2026-06-05·14 min read·Construction & Specialty Contracting

Construction Company · Valuation Snapshot

Adjusted EBITDA multiple

4.0x – 12.0x

Typical: 6x · Sample: Aggregated from 562 US construction M&A transactions (2025), Capstone Construction Services M&A Update Feb 2026; PE-vs-strategic spread per 2018–2025 sample

Adj. EBITDA range
4.0x – 12.0x
PE vs strategic avg (2018–2025)
~10.6x vs ~7.5x
PE share of 2025 construction M&A
54.3%
US data-center starts 2025
$77.7B / +190%

Quick answer

Construction companies sell for 4x–12x adjusted EBITDA — but the sub-segment matters more than the size band. Residential and general-contracting work clusters at 4.0–5.5x; civil and site-work contractors with public-funded backlog run 5.5–7.5x; specialty trades (electrical, mechanical, prefab/modular) with data-center or power-infrastructure exposure now clear 8–11x and occasionally higher. PE buyers paid ~10.6x EV/EBITDA on construction M&A from 2018–2025 vs ~7.5x for strategics — the largest PE-vs-strategic spread of any vertical in this data set [1].

2025 was the first year PE buyers represented the majority of US construction M&A — 54.3% of 562 deals, up 18.2% YoY [1]. The dominant pricing force is data-center demand: US data-center construction starts hit $77.7B in 2025, up 190% YoY [6], and specialty contractors with hyperscaler MSAs are absorbing most of the multiple expansion. The dominant risk is talent: 92% of construction firms report they can't fill open positions [7], turning M&A into a labor-acquisition play as much as a backlog-acquisition play.

Multiples by size

How construction company multiples shift with EBITDA size

The single biggest determinant of multiple is size. The same business at 4x sub-$1M EBITDA can fetch 7x once it crosses $5M — same operations, different buyer pool.

Adjusted EBITDA rangeMultiple rangeWhat's typical here
Under $1M Adj. EBITDA2.5x – 4.0xOwner-PM operating single-trade with no recurring backlog or bonding capacity beyond personal indemnity. Buyer pool is individual operators, SBA-financed buyers, and small regional consolidators. Heavy seller financing with 15–25% seller notes and 20–30% earnouts tied to project completion typical.
$1M – $5M Adj. EBITDA4.0x – 6.5xThe largest competitive band in construction. Specialty trades (electrical, mechanical, prefab) trade at the top of the band; GC and residential work at the bottom. PE add-on candidates for Crete United, Calera, and Bertram-class platforms. Backlog visibility is the single largest multiple lever within this band.
$5M – $15M Adj. EBITDA5.5x – 9.0xPlatform-quality specialty contractors and well-bonded civil firms. PE platforms write checks at this size; multi-state bonding capacity and data-center or power-infrastructure exposure drive top-of-band pricing. Capstone shows construction PE paying ~10.6x on average vs 9.8x for the broader middle market in 2025.
$15M+ Adj. EBITDA8.0x – 12.0x+True platform multiples. Specialty contractors with hyperscaler MSAs, recurring service revenue, or vertically integrated aggregate assets. Public strategics (Quanta, Dycom, MasTec, EMCOR) bid against PE infrastructure platforms. Dycom/Power Solutions $1.9B at 9.7x EV/EBITDA (Dec 2025) is the live anchor for top-of-band pricing.

Interactive estimate

Estimate the range for your business

Move the sliders. The estimate reflects how each driver pushes the multiple up or down inside the bands above. Use this as a planning anchor — not a sale price.

$2.5Mannualized
$250K$15M
neutral

The single largest multiple lever in construction. Residential GCs and unbonded subs cluster 4–5x. Civil contractors with public-funded backlog run 5.5–7.5x. Specialty trades with data-center or power-infrastructure exposure clear 8–11x. PE buyers paid ~10.6x vs strategics ~7.5x across 2018–2025.

neutral

Profitable signed backlog of 12+ months at margin is the highest-conviction underwriting input after sub-segment. Fewer than 6 months caps you at the bottom quartile; 18+ months at decent margin earns a full turn of EBITDA. Backlog-to-revenue ratios of 1.2x–1.8x are the buyer benchmark.

neutral

20–30% top-customer share is a 0.5–1.0x discount; above 40% can mean 1.0–2.0x compression or a deal-killer. Construction is particularly concentration-sensitive because losing a single hyperscaler or municipal client mid-backlog destroys 12+ months of revenue visibility at once.

neutral

Surety bond capacity ($25M+ single / $100M+ aggregate) with tier-1 sureties unlocks public-funded and large-commercial backlog buyers can't access organically. Owner-indemnified bonding that doesn't transfer post-close is a deal-killer. Buyers underwrite headroom — utilization above 80% triggers re-trades.

Estimated enterprise value

$10.0M$17.5M

Implied multiple: 4.0x – 7.0x Adjusted EBITDA

This is a planning estimate, not a formal valuation. Real-world construction multiples are narrowed by sub-segment, backlog quality, surety underwriting, end-market exposure, working-capital peg, and the negotiated deal structure. Ad Astra delivers advisor-grade construction ranges under USPAP/SSVS standards.

Get a confidential, advisor-grade rangeTry our full business valuation tool →

Value drivers

What moves the multiple, specific to construction company

Push you up
  • Data-center / power-infrastructure exposure

    +1.5x – 3.0x

    Hyperscaler MSAs, utility-grade backlog, or AI/data-center-adjacent specialty work move the multiple from category median into platform tranche. US data-center construction starts hit $77.7B in 2025, up 190% YoY — Q4 2025 alone contributed $44.4B, with Virginia leading at $15.3B [6]. The Berg Group acquisition by Kava Equity Partners explicitly named "data centers, cleanrooms, advanced manufacturing" as the buy thesis [4].

    Average data-center project cost reached $597M in 2025, up 59.6% YoY [1]. A specialty contractor with even one confirmed hyperscaler MSA and 12+ months of signed data-center backlog steps out of the regional GC comp set and into infrastructure-platform pricing territory.

  • Signed backlog visibility 12+ months at margin

    +0.5x – 1.5x

    Profitable signed backlog of 12+ months is the highest-conviction underwriting input after sub-segment. Buyers pay for forward revenue visibility because construction is project-cycle. Backlog-to-revenue ratios of 1.2x–1.8x are the buyer benchmark — anything below 0.8x puts you in the bottom quartile regardless of trailing EBITDA quality [1].

    Document backlog at signed contract value, note gross margin by project, and flag the top-customer concentration within the backlog. Buyers will model backlog completion at contracted gross margin as Phase 1 of their DCF — give them clean data and avoid re-trades.

  • Specialty trade focus (electrical, mechanical, prefab/modular)

    +1.0x – 2.5x

    Specialty contractors with skilled-labor scarcity and end-market depth trade 2–4 turns above GCs in the same EBITDA band. Dycom Industries acquired Power Solutions in Dec 2025 at $1.9B / 9.7x EV/EBITDA / 1.9x EV/Revenue — the specialty-electrical platform print [10]. GF Data shows $8M+ EBITDA electrical contractors averaging 7.8x vs 6.2–6.4x for smaller deals in the $3–8M EBITDA range [10]. TopBuild Corp (NYSE: BLD) acquired Applied Coatings and Upstate Spray Foam in Q2 2026 as a Northeast specialty installation expansion — another active strategic paying platform pricing for specialty sub-segments [5].

    Prefab/modular capability is the fastest-moving sub-segment in 2026. Kava Equity's Berg Group acquisition shows institutional buyers paying platform multiples for industrialized construction specialists — a segment that barely registered on PE radars before the data-center buildout cycle [4].

  • Multi-state bonding capacity

    +0.5x – 1.5x

    Surety bond capacity ($25M+ single / $100M+ aggregate) with tier-1 sureties (Travelers, Liberty Mutual, Zurich) unlocks public-funded and large-commercial backlog that smaller competitors can't access organically. Buyers pay for the surety relationship as much as the EBITDA — the bonding capacity is the moat [1].

    Time-to-close for construction averages 8–12 months — the longest of any trade vertical — primarily because surety transferability takes 60–120 days of separate diligence. Businesses with clean bonding history and documented tier-1 surety relationships compress the diligence timeline and earn higher cash-at-close offers.

  • Skilled-labor depth (licensed bench beyond owner)

    +0.5x – 1.0x

    92% of US construction firms reported difficulty filling open positions — 91.9% on craft workers, 91.7% on salaried staff — and 45% reported project delays driven by worker shortages [7]. A tenured licensed crew with documented certification ladder is no longer a "nice-to-have"; buyers explicitly price the talent pool, reframing M&A as labor acquisition.

    Quantify your bench: journeyman-to-apprentice ratio, average tenure of crew leads, active certifications (OSHA 30, NABCEP, licensed electricians/plumbers by state), and documented succession for PM/estimator roles. Buyers who can't hire organically are paying acquisition premium for demonstrated licensed headcount.

Push you down
  • Heavy residential / new-construction exposure

    -1.0x – 2.0x

    Residential and new-construction revenue compresses the multiple by 1–2 turns versus commercial or public-infrastructure mix. Rate sensitivity, cyclical demand, and the structural bifurcation between residential and specialty-infrastructure M&A are all at work. Stanley Martin's all-cash acquisition of United Homes at ~$221M in Q2 2026 shows that even at scale, residential homebuilders trade close to NAV rather than premium EBITDA multiples [4][8].

    The path to a better multiple is revenue mix shift: systematically grow commercial, public-funded, or specialty-infrastructure work as a share of backlog 18–24 months before a planned sale.

  • Customer concentration above 25%

    -0.5x – 2.0x

    A single GC, REIT, hyperscaler, or municipal client above 25% of revenue triggers earnout, escrow, or re-trade. "70% of revenue from 3 clients is a major discount versus diversified" (BeachFleischman via industry research). Above 40%, the multiple compresses 1.0–2.0x or the deal collapses to earnout structure [1].

    The 2026 wrinkle: hyperscaler MSAs are simultaneously a top concentration risk AND a top multiple driver. Buyers will pay 10x+ for a specialty contractor with 60%+ Amazon/Google/Meta backlog if the MSA tenor is 3–5 years — but the same business with a 12-month rolling backlog sits at the bottom of the band.

  • Weak bonding capacity or owner-indemnified surety

    -0.5x – 1.5x

    Owner-indemnified bonding that doesn't transfer to the buyer post-close is a top-3 construction-specific deal-killer. Sub-$5M single-job bonding caps your accessible backlog and your buyer pool simultaneously. Buyers want to see the surety relationship documented, actively utilized, and structurally transferable before LOI [1].

    Get ahead of this by requesting a formal bond capacity letter from your surety 12+ months pre-sale, increasing utilization to demonstrate performance history, and ensuring your surety underwriter will issue a "letter of intent to continue" for an incoming buyer.

  • Lumpy / seasonal earnings with undocumented add-backs

    -0.5x – 1.5x

    Construction EBITDA is volatile by nature. Cash-basis books, project-cost accounting irregularities, and aggressive owner add-backs (one-off project losses, family on payroll, equipment owner-financing) compound during QoE. Sofer Advisors specifically flags "normalized EBITDA over the cycle, not point-in-time" as the construction valuation rule — one project loss can swing TTM EBITDA by 15–30% [1].

    QoE firms aggressively haircut undocumented "one-time" claims that look like cycle-volatility in disguise. The remedy: three full years of accrual-basis books with job-cost accounting, each add-back supported by contemporaneous documentation.

Buyer landscape

Who is actively buying construction company

Named PE platforms, strategic acquirers, and consolidators active in the space in the last 12 months. Multiples paid by these buyers anchor the high end of our range.

PE Platform

Kava Equity Partners (Southern Ute Indian Tribe Growth Fund)

Southern Ute Indian Tribe Growth Fund

Active 2026 construction buyer with explicit focus on industrialized construction, prefab/modular, and end markets including data centers, cleanrooms, and advanced manufacturing; tribal-sovereign capital structure offers patient hold horizon distinct from sponsor-led PE.

  • Acquired The Berg Group, Minnesota specialty contractor in industrialized construction/prefab/modular targeting data centers, cleanrooms, and advanced manufacturing, Q2 2026 (PrivSource)
Source ↗
PE Platform

Calera Capital

Calera Capital

Specialty-services consolidator that pays platform multiples for multi-brand specialty contractors with geographic density and demonstrated brand-level unit economics.

  • Acquired ReVamp Companies (14 brands, 60+ locations, specialty floor/surface coatings, fencing, decking) from Bertram Capital in Q2 2026 (PrivSource)
Source ↗
PE Platform

Bertram Capital

Bertram Capital

Built ReVamp Companies into a 14-brand, 60+ location specialty-services platform before exiting to Calera Capital in 2026; continues to source specialty-contractor add-ons in the $2M–$10M EBITDA range with a multi-brand consolidation thesis.

  • Exited ReVamp Companies (14 brands, 60+ locations) to Calera Capital, Q2 2026 (PrivSource)
Strategic

TopBuild Corp (NYSE: BLD)

Public installation and specialty-distribution strategic that acquires regional installation and spray-foam companies as Northeast and national expansion plays, using cash-heavy public-company deal structures.

  • Acquired Applied Coatings and Upstate Spray Foam (Winfield NY, ~$20M combined revenue) in Q2 2026, terms undisclosed (PrivSource)
Source ↗
Strategic

Comfort Systems USA (NYSE: FIX)

Public commercial mechanical/specialty contractor consolidator paying platform multiples for commercial mechanical contractors with industrial customer base and signed backlog; disclosed Summit Industrial Construction at ~$360M (~9.6x EBITDA midpoint) in Feb 2024.

  • Summit Industrial Construction — ~$360M / ~9.6x EBITDA midpoint (Feb 2024, SEC 8-K)
  • J&S Mechanical — $145–160M revenue / $12–15M EBITDA (Feb 2024)
Source ↗
Strategic

Quanta Services (NYSE: PWR)

Largest public specialty contractor in electrical and power infrastructure; buys regional electrical specialty contractors as platform expansions for utility, telecom, and renewables backlog and bids against Dycom and MasTec for $5M+ EBITDA targets.

  • Dynamic Systems ~$1.4B, 2025
Strategic

Dycom Industries (NYSE: DY)

Public telecom and utility specialty contractor whose Power Solutions acquisition at $1.9B / 9.7x EV/EBITDA in Dec 2025 is the live anchor for top-of-band specialty contractor multiples; focused on power, telecom, and infrastructure backlog.

  • Power Solutions — $1.9B / 9.7x EV/EBITDA / 1.9x EV/Revenue, Dec 2025 (Capstone)
PE Platform

Crete United (Ridgemont Equity Partners)

Ridgemont Equity Partners

Specialty mechanical / electrical / facilities consolidator with an active add-on program for $2M–$10M EBITDA targets in HVAC-adjacent commercial mechanical and electrical specialty trades.

  • Multiple add-ons across commercial mechanical, electrical, and facilities specialty trades (R1 §15)
Strategic

Sojitz Corporation

Japanese trading-house strategic with US construction expansion thesis; looks for established regional specialty contractors with stable backlog and union/non-union balance as a patient-capital alternative to PE.

  • Acquired Freestate Electric, October 2024 (R1 §3)

Deal structure

Headline price is one number. The structure is the deal.

Construction deal structures look different from home-services deals. Two facts drive everything: (1) 2025 was the first year PE buyers represented the majority of US construction M&A at 54.3%, and PE pays ~10.6x EV/EBITDA on average vs ~7.5x for strategics over 2018–2025 [1]; (2) construction-specific risks — project-completion risk, backlog conversion uncertainty, surety transferability, and cyclical earnings — drive the highest earnout share of any vertical in this data set (15–25% per IBBA Q4 2024 [1]).

Below is the typical structure for construction deals in the $2M–$15M EBITDA range, 2024–2026. Specialty contractors with hyperscaler MSAs and clean backlog see the higher cash share; residential GCs and concentration-heavy commercial subs see the higher earnout and seller-note share.

Typical breakdown

Cash at close
65–80%

Specialty contractors with data-center exposure and tier-1 surety relationships see 75–80%. GCs and concentration-heavy commercial subs see 65–70%. Senior debt typically 3.0–4.5x EBITDA plus PE equity check.

Rollover equity
5–15%

Lower than HVAC home-services (10–25%) because construction PE platforms have shorter hold horizons and less platform-multiple arbitrage to share. Specialty contractors with end-market depth see 10–15%; GCs and residential see closer to 5%.

Seller note
10–20%

Construction's structurally highest seller-note share among specialty-services verticals. Junior subordinated promissory note, 3–7 year amortization, mid-single-digit interest. Used as gap-fill when the buyer is uncertain about backlog conversion.

Earn-out
15–25%

The highest earnout share of any of the 18 sell-guide verticals, driven by project-completion risk and backlog conversion uncertainty. Typically 18–36 months, tied to backlog completion at gross-margin targets and/or top-customer retention. Negotiate the EBITDA definition aggressively — change orders and overhead allocations are the fights.

Working capital adjustment
±3–6%

Construction working-capital pegs are unusually volatile because retainage, billings in excess of costs, and costs in excess of billings all swing month-to-month. Pre-negotiate the peg by reference to a TTM average, not a point-in-time snapshot. Surety bond margin requirements should be carved out separately.

Recent comps (anonymized)

Representative construction company transactions

ProfileClosedMultipleBuyerStructure
Specialty contractor in industrialized construction, prefab/modular targeting data centers, cleanrooms, and advanced manufacturing — Minnesota.2026 Q2Undisclosed (specialty data-center band: 8.5–11.0x estimated)PE platform — Kava Equity Partners (Southern Ute Indian Tribe Growth Fund)Undisclosed — patient tribal-sovereign capital structure
Specialty electrical contractor — power and telecom infrastructure.2025 Dec9.7x EV/EBITDA / 1.9x EV/RevenueStrategic — Dycom Industries (NYSE: DY)$1.9B all-cash strategic acquisition
Specialty installation and distribution — Northeast, ~$20M combined revenue (Applied Coatings and Upstate Spray Foam).2026 Q2Undisclosed (specialty installation band: 6.5–9.0x estimated)Strategic — TopBuild Corp (NYSE: BLD)Public-strategic cash-heavy, terms undisclosed
14-brand specialty services consolidator — coatings, fencing, decking, 60+ locations (ReVamp Companies).2026 Q2Undisclosed (multi-brand specialty platform: 8.0–10.0x estimated)PE platform — Calera Capital (from Bertram Capital)PE-to-PE recap, terms undisclosed
Residential homebuilder consolidation — ~$221M EV (United Homes Group).2026 Q2All-cash $1.18/share — homebuilder NAV-anchored, not EBITDA-multiple anchoredStrategic — Stanley Martin HomesAll cash, ~$221M EV
$5.2M Adj. EBITDA · specialty electrical / mechanical · 65% hyperscaler MSA backlog · 18 months signed backlog · multi-state bonding · Sun Belt. (Illustrative composite)2025 Q4 (composite)10.5x EBITDAPE infrastructure platform (Kava / Crete / Trilon class)70% cash · 12% rollover · 10% seller note · 8% earnout (12-month backlog completion + hyperscaler MSA retention)
$1.4M Adj. EBITDA · residential GC · 80% residential remodel + custom build · owner-PM · no GM · single metro. (Illustrative composite)2025 Q4 (composite)4.2x EBITDALocal consolidator / independent sponsor55% cash · 10% rollover · 20% seller note · 15% earnout (12-month backlog completion)

Profiles aggregated from public PE press releases and internal Ad Astra advisory data. Cited where attribution is public.

Methodology

How valuation methods apply to construction company

Comparable transactions — with mandatory sub-segment breakouts

Comparable-transactions analysis is the strongest anchor for construction valuation, but the comp set must be split by sub-segment before any meaningful range can be quoted. A $3M EBITDA residential GC and a $3M EBITDA specialty electrical contractor with data-center exposure should never sit in the same comp set — Capstone's 2018–2025 data shows PE buyers paid ~10.6x EV/EBITDA on construction transactions overall vs ~7.5x for strategics, but those averages mask a 4-turn spread between specialty data-center / power-infrastructure contractors (8.5–11x) and residential / GC work (4–5.5x) [1].

We build the comp set from Capstone Construction Services M&A Update Feb 2026 (PE-vs-strategic split), Dycom/Power Solutions Dec 2025 ($1.9B / 9.7x — specialty electrical anchor) [10], and Capstone Rock Products and Aggregates Industry Update (9.4x aggregates average, 2024–YTD 2026) [2]. PrivSource construction-buyout activity for 2026 adds transactional context for Q2 2026 named deals [4]. The 562 US construction M&A transactions in 2025 — the broadest sample in the modern dataset — anchor the methodology [1].

Aggregates and civil contractors with owned aggregate yards or HMA plants are valued with a hybrid approach: operating multiple on EBITDA plus separately appraised asset value for the quarry or plant. Specialty trades are pure-going-concern multiples with no asset-value premium unless fleet is above $5M FMV.

DCF with explicit backlog modeling

DCF is uniquely valuable for construction because signed backlog provides 12–24 months of forward revenue visibility that buyers can underwrite directly. We typically run a 5-year forecast that explicitly separates (1) signed backlog completion at contracted gross margin, (2) probable awards on bid pipeline at risk-adjusted margin, and (3) speculative future revenue at category-median margin.

The trap to avoid: terminal-value sensitivity. Construction has real working-capital reinvestment (retainage, billings in excess of costs, equipment refresh) that DCF models routinely understate. We anchor terminal value to a market exit multiple by sub-segment, not a perpetual-growth assumption — Capstone shows construction-services multiples averaged 9.8x EV/EBITDA in 2025 across the broader middle market, with construction PE specifically at ~10.6x and strategics at ~7.5x [1][3].

Tariff pressure is a DCF-specific adjustment: steel and aluminum tariffs at 50% (effective June 4, 2025) with raw-material prices projected +4.4% in 2026 [9] must be explicitly modeled in job-cost assumptions rather than smoothed into margin. QoE teams will impose their own sensitivity analysis on projects bid before June 2025 that are still in backlog.

Asset-based — the equipment-heavy floor check

For equipment-heavy construction businesses (civil contractors, excavation, paving, crane operators), asset-based valuation is a meaningful floor rather than a sanity check. Owned aggregate yards, HMA plants, crane fleets, and heavy-equipment portfolios can represent 25–40% of total enterprise value before operating goodwill is added. Construction Partners (NASDAQ: ROAD) explicitly underwrites owned aggregate and HMA plants as the vertical-integration thesis.

We use orderly-liquidation value (OLV) for the equipment line — typically 60–75% of book value depending on age and condition — and add it to the going-concern operating valuation [2]. For specialty trades and asset-light GCs, asset-based remains a sanity check only: a $4M EBITDA specialty electrical contractor with $500K in tools has goodwill worth 10x the equipment, and pricing it as an asset sale would destroy most of the value.

The aggregates sub-sector averaged 9.4x EV/EBITDA from 2024 through YTD 2026 per Capstone's Rock Products and Aggregates Industry Update [2] — the clearest sub-sector-specific multiple available for the asset-heavy civil construction segment and a useful sanity check against DCF output for quarry-adjacent businesses.

Sell-side adjustments

The adjustments that protect — and grow — your reported EBITDA

Each item below is something we expect to debate with a buyer's QoE provider. Document them yourself, with backup, before going to market.

  • Owner labor on jobs (PM, estimator, foreman)

    +$80K – $200K

    Construction owners frequently put their own labor on jobs as PM, lead estimator, or working foreman. Recast the owner labor at market-rate replacement: working construction PM at $130–180K, lead estimator at $110–150K, working foreman at $90–120K. Document time allocation by percentage of working hours across all job categories.

  • Family members on payroll

    +$30K – $180K

    Spouse handling bookkeeping at above-market wage, adult children with W-2s but limited role, and family-member PMs at preferential rates all need to be recast at market comp. Strip the above-market delta with a documented job description and market salary survey. Construction is particularly prone to family-on-payroll because of how owner-operated the trades are.

  • Equipment owner-financing arrangements

    +$40K – $250K

    Owner-personally-financed equipment leased back to the company at above-market rates is one of the most common construction-specific add-back categories. Recast equipment cost at market lease rate — typically 1.2–1.5% of equipment FMV monthly for heavy equipment. Buyers will inherit the same financing structure or refinance; EBITDA must reflect a market arrangement either way.

  • Deferred equipment refresh / capex

    -$100K – $500K

    Heavy equipment (excavators, dozers, cranes, dump trucks) on 10+ year cycles with deferred refresh creates a buyer normalization haircut on EBITDA. Get ahead of it by documenting a 7–10 year equipment-replacement schedule and the resulting maintenance capex run-rate. This is a negative adjustment — it surfaces in valuation as a purchase-price haircut or working-capital reduction, not an add-back.

  • Surety bond facility carve-out and documentation

    Tracked separately — diligence-gating, not multiple-moving

    Surety bond premiums (typically 0.5–2.0% of contract value for tier-1 sureties) are a legitimate operating expense, but bond-facility commitment fees and one-time underwriting costs can be carved out. More importantly: document the surety relationship — single bond capacity, aggregate capacity, current utilization, and whether the surety has issued a letter of intent to continue for the buyer. This is the most-discussed line item in construction QoE.

  • Owner-occupied real estate (yard, shop, office) at off-market rent

    +$40K – $200K

    Owner-owned yard, shop, or office leased to the operating company at below-market rent reduces apparent EBITDA — adjust upward to market rent, because the buyer will sign a market lease or buy the building separately. Construction yards in particular often sit at 30–50% below market rent because the owner prefers the cashflow inside the operating company.

  • One-time project loss, change-order disputes, completed litigation

    Varies — case by case ($25K – $750K)

    Single-project losses, settled change-order disputes, and completed litigation costs are legitimate add-backs if documented with contemporaneous backup. One project loss can swing TTM EBITDA by 15–30%. QoE firms aggressively haircut undocumented "one-time" claims that look like cycle-volatility in disguise — each item needs contemporaneous project-cost records and, where applicable, the settlement agreement.

FAQ

Common questions about construction company valuation

Ready to actually sell?

Get an owner-grade range for your construction company

A confidential 30-minute call with Clayton or Joe gives you a real range, the adjustments we'd apply to your reported EBITDA, and the one or two moves that close the gap fastest.

Sources
  1. [1] Construction Services M&A Update – February 2026 (PE 54.3% majority, ~10.6x PE vs ~7.5x strategic average, 562 deals +18.2% YoY, average data-center project cost $597M)
  2. [2] Rock Products and Aggregates Industry Update – Capstone Partners 2026 (9.4x average EV/EBITDA 2024–YTD 2026)
  3. [3] Middle Market M&A Valuations Index – Capstone Partners 2026 (2025 average 9.8x EV/EBITDA; 27.4% of advisors expect 2026 multiples to rise)
  4. [4] Construction Buyout Acquisitions in 2026 (Kava Equity/Berg Group; Stanley Martin/United Homes $221M; Calera/ReVamp) — PrivSource, 2026
  5. [5] Industrial Services Add-on Acquisitions in 2026 (TopBuild/Applied Coatings + Upstate Spray Foam) — PrivSource, 2026
  6. [6] ConstructConnect — US data-center construction starts $77.7B in 2025, +190% YoY; Q4 2025 $44.4B; Virginia led at $15.3B (chief economist Michael Guckes, Feb 3, 2026)
  7. [7] AGC of America / NCCER 2025 Workforce Survey — 92% of firms can't fill open positions; 45% report worker-shortage delays; ~1,400 firms surveyed, released Aug 28, 2025
  8. [8] Stanley Martin Homes acquires United Homes Group press release (~$221M EV, all-cash $1.18/share, Q2 2026)
  9. [9] Manufacturing Dive — steel/aluminum tariffs 50% effective June 4, 2025; raw materials +4.4% projected 2026 (ISM)
  10. [10] BMI Mergers — Electrical Contractors 2024 Recap (GF Data: $3–8M EBITDA at 6.2–6.4x; $8M+ at 7.8x; Dycom/Power Solutions $1.9B / 9.7x EV/EBITDA Dec 2025)

Multiple ranges represent typical lower middle market transactions; individual deals may fall outside the band based on buyer thesis, deal structure, and seller-specific factors. This page is informational and not a formal valuation opinion.