About Division Seven
Division Seven is a waterproofing company at 22 Lakeville St in Petaluma, in business since 1990 for homes and offices, commercial and residential. Its work includes foundation waterproofing and below grade waterproofing, deck waterproofing, protective coatings, resurfacing and building envelope systems, using trusted material systems. It takes on problems such as cracks and exterior drainage that come from inadequate waterproofing, from small jobs to large ones, with honest, reasonable and reliable service. A free consultation and estimate is offered. Rated 3.0 from 4 Google reviews, 2 at five stars and 2 at one star. The shop can be reached at (707) 224-9599, and its work covers both residential and commercial buildings, including homes and offices needing below grade protection. Its pitch is simple: keep water from intruding.
Where Division Seven works
Based in Petaluma, California. Its website also names Sonoma. Call to confirm they cover your address.
Services and details
Foundation or waterproofing work
YesFree inspection or estimate
Yes
No information yet on foundation repair, basement waterproofing, bowing wall repair, piers for settling, crack repair, crawl space repair, sump pumps, drain tile and drainage, concrete lifting, egress windows, financing, states a license, warranty. The website did not say; call and ask.
Contact
- (707) 224-9599
- 22 Lakeville St, Petaluma, CA 94952
- Website
- View on Google Maps
Hours
Details last checked against the company's website and Google listing on 2026-10-21. Report a correction or request removal. Back to foundation repair companies in Santa Rosa.