Zfa Structural Enginers
Engineering firm · San Francisco permit activity
Engineering firm active in San Francisco construction, tracked from public building-permit filings.
#713
by NYC filing activity
among NYC architects & engineers, last 90 days
3
project records
Mar 2025 to Jun 2026
1/16
active weeks
weeks with a filing (last 16)
3 projects
Scopes, declared values and this firm's role on each one
See 3 projects involving Zfa Structural Enginers
Recent projects involving this firm
Mission Bay
Revision to bpa# 202512101383 as built permit
$15.2M
Hayes Valley
Rev to reconcile architectural floor plans re-issue pa#: 202503172389 (1b) and 202509094851…
$14.7M
Hayes Valley
Phase 2: new ext canopies,partial roof/skylights & column removal on 6/f,resurface payyard,new…
$15.0M
Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.
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3 project records for Zfa Structural Enginers: addresses, values, project teams
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Most recent filing: Mission Bay · Jun 29, 2026
1 active · 0 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
1
active projects (last 90d)
0
newly observed (last 90d)
Jun 2026
peak month
Project mix · by use
Geography · by borough
Hayes Valley67%
Mission Bay33%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | C A Architects | Architecture | 3 | |
| 2 | Dean Macy | Engineering | 1 | |
| 3 | C & N Engineers, Inc. | Architecture | 1 | |
| 1 | Related California Construction Llc | General contractor | 2 | |
| 2 | Cahill Contractors Llc. | General contractor | 1 | |
| 3 | Westates Mechanical Cor | General contractor | 1 | |
| 4 | SWINERTON BUILDERS | General contractor | 1 | |
| 5 | Phase One Fire Life Safety Systems Inc | General contractor | 1 |
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Frequently asked questions
How many SF projects has Zfa Structural Enginers filed?▾
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.
What is a typical Zfa Structural Enginers project worth?▾
Across the 9 tracked projects with a declared value, Zfa Structural Enginers averages $5.0M per project (declared value on the permit filing, not contract value).
Which firms does Zfa Structural Enginers work with most often?▾
Zfa Structural Enginers most frequently appears on the same San Francisco permit filings as C A Architects, Related California Construction Llc, Cahill Contractors Llc.. 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 DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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