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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.

4,315
searchable firms
46,523
tracked SF projects
20,612
shared-project connections
Oct 29, 2026
Last SF update
Architects & Engineers
847 profiles
Most active: Ecr Engineering
Browse architects & engineers →
General contractors
2,480 profiles
Most active: Novo Construction Inc
Browse contractors →
Active now · Design
Ecr Engineering35A. Urrutia28Bill Xie Guan28
Active now · Contractors
Novo Construction Inc46Gci, Inc37Crime Watch Security Systems Llc.29
Active projects = projects with a filing in the last 90 days. Based on PermitPipeline’s tracked San Francisco filing window. Generation sfpromote_20261101T200400, computed Nov 1, 2026, filings through Oct 29, 2026.
Shared-project spotlight
Camp Roofing Ltd Dba Camp Construction ↔ Joe Win Con141 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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