Firms › SF general contractors › Sigma Construction Company › West of Twin Peaks single-family renovation
West of Twin Peaks single-family renovation
Filed 2 months ago · otc alterations permit · Grade D · Mid stage
Revision: to eliminate 3 proposed windows and to change size and/or operation of 7 windows
2
filings to date
Why this may be worth pursuing
Filed 2 months ago. A general contractor is named on the filing; an architecture firm is identified, an engineering firm is identified.
Firms on the filing
General contractorSigma Construction Company
Architecture1 firmEngineering1 firm
Roles are taken from the permit record. Firm names are part of the paid product.
Filing history
2 filings on record, first filed Dec 2025, latest activity Jun 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
10 project unlocks included every month · no credit card
Previous project$50K Castro/Upper Market multifamily renovation
2 of 3 select projects
Next projectWest of Twin Peaks single-family renovation
Sourced from San Francisco Department of Building Inspection public filings.