Horn Lee
Architecture firm · San Francisco permit activity
Architecture firm active in San Francisco construction, tracked from public building-permit filings.
#55
by SF filing activity
among SF architects & engineers, last 90 days
38
projects tracked
Jan 2025 to Jul 2026
8/16
active weeks
weeks with a filing (last 16)
4 of the 76 Horn Lee projects filed new permits in the last 30 days.
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$170K Bernal Heights tenant improvement
Filed 9 days ago · 5 filings · Horn Lee: architect
Electrical work for tenant improvement per approved plans under (original)
GC named · Architect identified · 3 engineers identified
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$505K Inner Richmond renovation
Filed 1 month ago · 2 filings · Horn Lee: architect
Revision of: interior revisions: door height and size, kitchen & living space swap, outlets and lighting adjustment, garage door update…
GC named · Architect identified
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$50K Pacific Heights renovation
Filed 1 month ago · Horn Lee: architect
Remodel: basement: convert storage space into parking.1/f: convert bedroom and bathroom into kitchen. 2/f: remodel bathroom.no layout…
GC named · 1 other firm identified
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73 more
Horn Lee projects with project intelligence
Scopes, values, teams and filing history for every one
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner and contact details and full filing histories are part of the paid product.
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
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 neighborhood
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 | Ec Engineers | Engineering | 1 | |
| 5 | Geiszler Architects | Architecture | 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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