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SF FIRM DIRECTORY

See which firms are active in San Francisco construction, and who they work with.

Permit-backed profiles for architecture firms, engineering firms, general contractors, and specialty trades, built from the San Francisco filings where each firm appears.

4,232
searchable firms
45,177
tracked SF projects
20,291
shared-project connections
Oct 1, 2026
Last SF update
Architects & Engineers
811 profiles
Most active: Ecr Engineering
Browse architects & engineers →
General contractors
2,431 profiles
Most active: Crime Watch Security Systems Llc.
Browse contractors →
Active now · Design
Ecr Engineering36Revel Architecture35Rmw32
Active now · Contractors
Crime Watch Security Systems Llc.57Wells Electrical, Inc42Gci, Inc37
Active projects = projects with a filing in the last 90 days. Based on PermitPipeline’s tracked San Francisco filing window. Generation sfpromote_20261004T185832, computed Oct 4, 2026, filings through Oct 1, 2026.
Shared-project spotlight
Camp Roofing Ltd Dba Camp Construction ↔ Joe Win Con134 shared projects
Basis Arch & Consulting ↔ Regency General Contractors Inc69 shared projects
Basis Architecture ↔ Regency General Contractors Inc59 shared projects
Organizations appearing on shared permit filings - association, not a proven working relationship.

Public pages show aggregates and relationships. Project records, addresses, and contacts are part of the paid leads product.

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