Zfa Structural Enginers is an engineering firm with 3 tracked San Francisco building-permit projects on record, with the latest filing in that record 80 days ago. Its filings (Mar 2025 to Jun 2026) are concentrated in Hayes Valley and Mission Bay. If you work at Zfa Structural Enginers, claim this page to add a description.
Filed 80 days ago
#699
by SF filing activity
among SF architects & engineers, 90 days to Aug 23, 2026
3
projects
from 11 filings
1/16
active week
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$15.0M Hayes Valley tenant improvement
Grade A+Active 3 months ago · Zfa Structural Enginers: engineer
Phase 2: new ext canopies,partial roof/skylights & column removal on 6/f,resurface payyard,new entry gates,ext stairs & ter serving new sep…
GC named · Architect identified
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Mission Bay renovation
Grade BActive 2 months ago · 4 filings · Zfa Structural Enginers: engineer
Revision to as built permit
GC named · 2 architects identified · Design firm identified · Engineer identified · 2 specialty contractors identified
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$14.7M Hayes Valley renovation
Active 9 months ago · 4 filings · Zfa Structural Enginers: engineer
Rev to reconcile architectural floor plans re-issue (1b) and (1c). 6th floor interior non-structural architectural revision to…
GC named · Architect identified · 2 Design firms identified · Engineer identified · 3 specialty contractors identified
View project details →
Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner names and mailing addresses, and full filing histories are part of the paid product.
3 project records for Zfa Structural Enginers: addresses, values, project teams
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Declared values3 on filetoo few for a rangeLast filed80 days agoMission Bay · Jun 29, 2026Last 90 days1 active0 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jun 2026
MAY
JUN
JUL
AUG
Project mix · by use
No project use recorded yet.
Geography · by neighborhood
Hayes Valley67%
Mission Bay33%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | C A Architects | Architecture | 3 | |
| 2 | C & N Engineers, Inc. | Architecture | 1 | |
| 3 | Dean Macy | Engineering | 1 | |
| 1 | Related California Construction LLC | General contractor | 2 | |
| 2 | Swinerton Builders | General contractor | 1 | |
| 3 | Cahill Contractors LLC. | General contractor | 1 | |
| 4 | Phase One Fire Life Safety Systems Inc | General contractor | 1 | |
| 5 | Westates Mechanical Corporation Inc | General contractor | 1 |
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Owner and developer names, and the projects behind each connection, are part of the Leads product.
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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State licenseCalifornia architect #S-4613On 1 of this firm's filings. Architect licenses are held by individuals, not by firms.
Repeat working relationships2 firmsFirms this one appears with on more than one project, out of 8 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Zfa Structural Enginers appear on?▾
PermitPipeline tracks 3 San Francisco building-permit projects for Zfa Structural Enginers (Mar 2025 to Jun 2026). 1 had filing activity in the last 90 days.
Where in San Francisco does Zfa Structural Enginers work?▾
67% of Zfa Structural Enginers's tracked San Francisco projects are in Hayes Valley.
Which firms appear most often on the same filings as Zfa Structural Enginers?▾
Zfa Structural Enginers most frequently appears on the same San Francisco permit filings as C A Architects, Related California Construction LLC, Swinerton Builders. Appearing together indicates association on shared filings, not a proven working relationship.
Is Zfa Structural Enginers an engineering firm?▾
Zfa Structural Enginers is listed as an engineering firm on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public SF DBI filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Aug 23, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Record source
Read directly from SF DBI filings.
Photography
None are shown until the firm supplies them.
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