contracting businessc36 plumbingLicensed since 2006
Drainman Pro INC
P O Box 756, Antioch, CA 94509 · map
What the public record says
- Licensed since 2006 (20 years)
- $25,000 contractor bond
- Classifications: C36, C42
- Owned by a corporation
Licenses and permits
- C-36 PlumbingCA Contractors State License Board · #881542 · since 2006
- C42 classificationCA Contractors State License Board · #881542 · since 2006
Estimated value
Starting point$59K – $150K
Based on the license record looking like an owner-operator with no employees on the license; businesses like that typically bill around $250,000 a year. At a typical 16% owner margin and 2.61x multiple for contractors.
Estimate, not an appraisal. How we value
Tighten this with your numbersNearby hvac, plumbing & electrical
- G M Pro Plumbing & RooterAntioch · since 2014 · $217K–$534K
- Palma Super Cold HVACAntioch · since 2025 · $236K–$579K
- Astra General Electrical Work INCAntioch · since 1993 · $63K–$159K
- Pennington Plumbing LLCAntioch · since 2005 · $59K–$150K
- Padilla FlashpointAntioch · since 2018 · $63K–$159K
- Rja PlumbingAntioch · since 2025 · $59K–$150K
Record built from 1 public file. Updated 11/12/2026. Own this business? Claim the page or ask for a change.
Estimated value
Starting point$59K – $150K
Based on the license record looking like an owner-operator with no employees on the license; businesses like that typically bill around $250,000 a year. At a typical 16% owner margin and 2.61x multiple for contractors.
Estimate, not an appraisal. How we value
Tighten this with your numbers