Horn Lee
Architecture firm · San Francisco permit activity
Architecture firm active in San Francisco construction, tracked from public building-permit filings.
#55
by NYC filing activity
among NYC architects & engineers, last 90 days
38
project records
Jan 2025 to Jul 2026
8/16
active weeks
weeks with a filing (last 16)
38 projects
Scopes, declared values and this firm's role on each one
See 38 projects involving Horn Lee
Recent projects involving this firm
Bernal Heights
Electrical work for tenant improvement per approved plans under pa# 202606032465 (original pa#…
$170K
Bernal Heights
Electrical work for tenant improvement per approved plans under pa# 202606032465 (original pa#…
$170K
Outer Richmond
Unit 1/ 2nd fl: convert e) bath into 2 baths, relocate e) kitchen, construct new bedroom,…
$26K
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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38 project records for Horn Lee: addresses, values, project teams
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Middle 50% of declared values: $5K–$100K (median $26K)
Most recent filing: Bernal Heights · Jul 27, 2026
8 active · 4 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
8
active projects (last 90d)
4
newly observed (last 90d)
Jul 2026
peak month
Project mix · by use
Residential100%
Geography · by borough
Sunset/Parkside29%
Lone Mountain/USF19%
Mission19%
Pacific Heights19%
Castro/Upper Market14%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Topetcher Architectural | Architecture | 2 | |
| 2 | Winnie W Chen | Architecture | 2 | |
| 3 | Jim Lau | Architecture | 1 | |
| 4 | Shatara Arch. Inc | Architecture | 1 | |
| 5 | Ec Engineers | Engineering | 1 | |
| 1 | Tip Managers Inc | General contractor | 8 | |
| 2 | R & D Construction Co Inc | General contractor | 5 | |
| 3 | G M Building And Construction Inc | General contractor | 4 | |
| 4 | Kaifa Construction Inc | General contractor | 3 | |
| 5 | Green City Construction Inc | General contractor | 2 |
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 Horn Lee filed?▾
PermitPipeline tracks 38 San Francisco building-permit projects for Horn Lee (Jan 2025 to Jul 2026). 8 had filing activity in the last 90 days.
Does Horn Lee work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Horn Lee's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Horn Lee work?▾
16% of Horn Lee's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Horn Lee project worth?▾
Across the 49 tracked projects with a declared value, Horn Lee averages $57K per project (declared value on the permit filing, not contract value).
Which firms does Horn Lee work with most often?▾
Horn Lee most frequently appears on the same San Francisco permit filings as Tip Managers Inc, R & D Construction Co Inc, G M Building And Construction Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Horn Lee an architecture firm?▾
Horn Lee is listed as an architecture 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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