The sewer inspection and repair industry provides essential diagnostic and remediation services for aging municipal, commercial, and residential underground infrastructure, leveraging technologies such as CCTV pipeline inspection, hydro-jetting, CIPP trenchless lining, and robotic cutting. Demand is driven by the continued deterioration of the U.S. sewer infrastructure stock, EPA mandates requiring municipalities to identify and reduce inflow and infiltration, and growing adoption of trenchless repair methods that reduce disruption costs. The industry is highly fragmented at the local and regional level, creating a compelling roll-up opportunity for strategic and financial buyers.
Who buys these: Private equity-backed plumbing or utilities roll-up platforms, owner-operators with plumbing or excavation backgrounds, independent sponsors, and strategic acquirers such as larger plumbing or drain cleaning companies seeking to add diagnostic and repair capabilities
3.5–6×
Typical EBITDA multiple
$1M–$5M
Revenue range
Growing
Market trend
SBA Eligible
7(a) financing available
Recession Resistant
Essential service
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Minimum $300K EBITDA, established municipal or commercial service contracts preferred, owner willing to stay 6–12 months for transition, clean equipment records and service history, licensed and insured workforce, verifiable revenue of $1M–$5M with 3 years of financials
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Key items to investigate when evaluating a Sewer Inspection & Repair acquisition
What buyers typically pay for Sewer Inspection & Repair businesses
3.5×
Low Multiple
4.8×
Mid Multiple
6×
High Multiple
Sewer Inspection & Repair businesses in the $1M–$5M revenue range trade at 3.5–6× EBITDA in the lower middle market. Multiple variance is driven by recurring revenue percentage, owner dependency, client concentration, and growth trajectory. Growing market conditions support multiples at or above the midpoint.
Full valuation guide for Sewer Inspection & RepairSewer Inspection & Repair acquisitions are SBA 7(a) eligible, meaning buyers can finance up to 90% of the purchase price. This expands the qualified buyer pool significantly and allows first-time acquirers to close with 10% down. Typical SBA terms run 10 years at prime + 2.75%. Sellers are often asked to carry a 5–10% note alongside SBA financing to satisfy the lender's equity requirement.
Typical acquirer profile for this segment
A strategic acquirer such as a regional plumbing or drain cleaning company seeking vertical integration, or a private equity-backed home and commercial services roll-up platform expanding geographic footprint; occasionally a first-time buyer with an operations or construction background using SBA financing
What to investigate before buying a Sewer Inspection & Repair business
Seller Intelligence
Who sells Sewer Inspection & Repair businesses?
Owner-operators aged 55–70 who founded or built a sewer inspection and repair business over 10–25 years, often with trade backgrounds in plumbing, excavation, or municipal utilities, and are approaching retirement or burnout without a clear internal succession plan
Typical exit timeline: 12–24 months
Sewer Inspection & Repair businesses in the $1M–$5M revenue range typically sell for 3.5–6× EBITDA. Minimum $300K EBITDA, established municipal or commercial service contracts preferred, owner willing to stay 6–12 months for transition, clean equipment records and service history, licensed and insured workforce, verifiable revenue of $1M–$5M with 3 years of financials
Sewer Inspection & Repair businesses typically trade at 3.5–6× EBITDA in the lower middle market. The market is highly fragmented with growing demand, which supports premium multiples.
Sewer Inspection & Repair businesses are SBA 7(a) eligible, making them accessible to first-time buyers. SBA 7(a) loan with 10–15% buyer equity down, seller note for gap financing, and 6–12 month earnout tied to contract retention
Key due diligence areas include: Equipment condition, age, and replacement cost of CCTV cameras, jetting trucks, and pipe-lining units; Municipal and commercial contract review including renewal terms, exclusivity, and cancellation clauses; Technician licensing, NASSCO certifications, and workforce retention risk; Environmental liability exposure and compliance history with EPA and local regulations; Revenue mix between inspection, repair, pipe lining (CIPP), and emergency services.
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