Mission-Critical Engineering & Specialty Construction, 25-Year California Design-Build Contractor

$12.5M

Revenue

$3.3M

SDE

Subscribe Free

Read the full deal writeup

Get Free Access

Already a member? Sign in

Full Editorial Writeup

This is a vertically integrated engineering, manufacturing, and specialty construction firm serving mission-critical commercial and industrial infrastructure across California, based in San Joaquin County in the Central Valley. Founded in 2000, the company delivers design-build solutions across the full project lifecycle: engineering, fabrication, installation, programming, maintenance, and ongoing service. That end-to-end model means the company captures margin at multiple stages rather than acting as a single-point subcontractor, and it creates natural pull-through from project work into recurring service and maintenance revenue.

Revenue of roughly $12.5M is diversified across engineering services, construction, field service, proprietary product sales, and regulatory consulting. The business serves engineering firms, general contractors, institutional clients, and government agencies, and it competes in a specialized niche where specialized licenses, deep technical expertise, and proprietary products create real barriers to entry. With 22 full-time employees, an experienced management team, and $3.34M in SDE (26.7 percent margin) alongside $3.09M in EBITDA, this is a genuinely profitable operating business rather than a founder-dependent job.

The seller is retiring after 25 years and is offering comprehensive transition training. The owner-occupied 4,500 SF facility with office, warehouse, and production space is valued at $1.1M and is available to buy or lease, but it is not included in the asking price. The company is positioned to benefit from rising infrastructure investment and regulatory-driven upgrades, which underpin steady long-term demand for its engineered systems.

Why we like it

Earnings quality is strong for a construction-adjacent business, with $3.34M SDE and $3.09M EBITDA on $12.5M revenue, a 26.7 percent SDE margin that far exceeds typical general contracting. The gap between SDE and EBITDA is small (about $250k), which suggests the profit is real operating cash flow, not heavily owner-loaded add-backs. Diversified revenue across engineering, construction, field service, product sales, and consulting reduces reliance on any single line.
The moat here is credible and hard to replicate: specialized licenses, proprietary products, deep technical expertise, and decades-old relationships with engineering firms, contractors, and government agencies. Vertical integration lets the company capture margin from design through service, and the recurring maintenance and field-service tail smooths the lumpiness that usually plagues project-based construction. Competitors who cannot solve the complex engineering problems simply do not bid.
Market tailwinds are genuinely favorable and recession-resistant. Mission-critical infrastructure gets maintained and upgraded regardless of the economic cycle, and demand is driven by regulatory mandates and facility modernization rather than discretionary spending. California's ongoing infrastructure investment and compliance-driven upgrade cycle create a durable multi-year demand runway.
There is real operator leverage available. With 22 employees and an experienced management team already in place, a buyer inherits infrastructure rather than a solo-founder bottleneck, and the retiring seller is offering full training plus introductions to key customers and vendors. Explicit growth levers, expanded service revenue, geographic expansion, and strategic acquisitions, give a hands-on owner clear paths to compound the base.

How to improve it

Push the recurring service and maintenance line first. Convert every completed design-build project into a contracted maintenance agreement, because recurring service revenue carries higher margins, smooths cash flow, and materially raises the exit multiple versus lumpy project income. Audit the existing install base to find every serviceable system not currently under contract.
Systematize the sales motion. A retiring founder-led shop this profitable usually relies on the owner's relationships for pipeline, so in the first 90 days document the referral sources, formalize a dedicated business-development role, and build a CRM-tracked pipeline so growth does not stall the day the seller leaves.
Lean into the proprietary products. Product sales tend to be the highest-margin line and the most scalable, so quantify current product revenue, protect the IP, and evaluate whether the proprietary products can be sold beyond current project clients into a broader California and adjacent-state customer base.
Pursue the geographic expansion the listing flags. The company operates throughout California from a single Central Valley facility; opening a second service hub in Southern California or expanding into adjacent Western states could unlock new institutional and government demand with the same licensing and technical credentials.
Use the business as a platform for tuck-in acquisitions. In a fragmented specialty-engineering niche, buying smaller regional shops for their licenses, technicians, and customer lists and folding them into this vertically integrated model is a proven way to compound EBITDA faster than organic growth alone.
Attack labor risk head-on. With only 22 employees in a specialized trade, formalize an apprenticeship and cross-training program to de-risk key-person dependence, protect the licensed positions, and ensure capacity exists to actually deliver on new pipeline growth.
Renegotiate or right-size the facility decision early. The $1.1M owner-occupied building is available to buy or lease; model both scenarios so the deal structure optimizes returns, whether that means a lease that preserves capital or a purchase that locks in a hard asset and controls occupancy cost.

Diligence notes

Break down revenue by segment and by customer. The listing describes five revenue streams and long-standing government and institutional relationships, so verify concentration risk: what share of the $12.5M comes from the top 3 customers, and how much of it is recurring service versus one-time project work that must be re-won each year.
Scrutinize the licenses and proprietary products, which are the entire moat. Confirm exactly which specialized licenses the business holds, whether they transfer with a sale or attach to individual employees, and whether the proprietary products are protected by patents or trade secrets that convey with the transaction.
Validate the SDE and add-backs. A 26.7 percent SDE margin is exceptional for anything construction-related, so get 3 to 5 years of tax returns and financials, reconcile the $250k gap between SDE and EBITDA, and confirm project profitability is not being inflated by a few outlier jobs or aggressive percentage-of-completion accounting.
Assess the backlog and pipeline quality. Because project-based revenue is inherently lumpy, review signed backlog, work-in-progress schedules, and bid pipeline to confirm the trailing $12.5M is sustainable and not the peak of a single large multi-year contract that is nearing completion.
Quantify management-team depth and key-person risk. With a retiring owner and just 22 staff, identify who holds the technical and estimating knowledge, whether key licensed employees will stay, and structure retention or non-competes so the expertise does not walk out with the seller.
Clarify the asking price and deal structure. The price is not disclosed and the $1.1M real estate is explicitly excluded, so establish the operating-business multiple on EBITDA, the lease-versus-buy terms on the facility, and confirm the going-concern valuation stands on its own without the property.

Source

Originally listed on BizBuySell. View original listing →