Firms › SF general contractors › Backflow Prevention Specialists Inc › Under $100K Western Addition renovation
Under $100K Western Addition renovation
Filed 6 months ago · No general contractor named on permit
Work category: 11p; replace one (1).5" conbraco rp40 rp - 855 mcallister boiler room on roof of building
Under $100K
value range
90
filings to date
Why this may be worth pursuing
Filed 6 months ago, in the Under $100K range. No general contractor is named on permit; a specialty contractor firm is identified.
Firms on the filing
Specialty contractorBackflow Prevention Specialists Inc
Specialty contractor1 firm
No general contractor named on permit
Roles are taken from the permit record. Firm names are part of the paid product.
Filing history
90 filings on record, first filed Feb 2025, latest activity Mar 2026.
Dated, itemized filing history is part of the paid product.
Not shown on this page
Exact addressWithheld
Owner and contactWithheld
Every party on every filingWithheld
Permit records and source linksWithheld
Pro or Team · $0 today · cancel anytime
Previous project$40K Mission Bay renovation
3 of 3 select projects
Sourced from San Francisco Department of Building Inspection public filings.