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Horn Lee is an architecture firm with 41 tracked San Francisco building-permit projects on record, with the latest filing in that record 16 days ago. Its filings (Jan 2025 to Sep 2026) are concentrated in Sunset/Parkside and Lone Mountain/USF, 100% residential. A typical project in the record declares $5K–$100K. If you work at Horn Lee, claim this page to add a description.
Filed 16 days ago
#104
by SF filing activity
among SF architects & engineers, 90 days to Oct 4, 2026
41
projects
from 94 filings
7/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$862K Castro/Upper Market multifamily renovation
Grade AActive 22 days ago · Horn Lee: architect
Expansion of conditioned living space from lower unit 529 to the existing basement to include a new bedroom, bath, and guest room. addition…
GC named · Specialty contractor identified · 1 anticipated category not yet filed
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$475K Mission Bay tenant improvement
Grade BActive 9 days ago · Horn Lee: architect
Interior tenant improvement. for new fitness center. demolition of non-load partitions. new non-load bearing partitions, new mep and…
GC named · Engineer identified · 2 anticipated categories not yet filed
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$75K Outer Richmond multifamily renovation
Grade BActive 2 months ago · Horn Lee: architect
Unit 1/ 2nd fl: convert e) bath into 2 baths, relocate e) kitchen, construct new bedroom, install new washer/dryer, relocate windows at…
GC named · Specialty contractor identified
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38 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 names and mailing addresses, and full filing histories are part of the paid product.
41 project records for Horn Lee: addresses, values, project teams
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Typical project$5K–$100K$26K typical1.5× the SF median ($17K)Last filed16 days agoMission Bay · Sep 21, 2026Last 90 days6 active4 newly filed
Filing activity · 16 weeks to Oct 4, 2026 · peak Jun 2026
JUN
JUL
AUG
SEP
Project mix · by use
Residential100%
Geography · by neighborhood
Sunset/Parkside28%
Lone Mountain/USF18%
Mission18%
Outer Richmond18%
Pacific Heights18%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Ec Engineers | Engineering | 2 | |
| 2 | Topetcher Architectural | Architecture | 2 | |
| 3 | Winnie W Chen | Architecture | 2 | |
| 4 | Geiszler Architects | Architecture | 1 | |
| 5 | General Design | Architecture | 1 | |
| 1 | Tip Managers Inc | General contractor | 10 | |
| 2 | G M Building And Construction Inc | General contractor | 5 | |
| 3 | R & D Construction Co Inc | General contractor | 5 | |
| 4 | Kaifa Construction Inc | General contractor | 3 | |
| 5 | Green City Construction Inc | General contractor | 2 |
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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 #S3818On 12 of this firm's filings. Architect licenses are held by individuals, not by firms.
Repeat working relationships9 firmsFirms this one appears with on more than one project, out of 29 in total.
Permit speed22 days7 days shorter than the SF median
based on 16 firm filings vs 4,650 SF filings
based on 16 firm filings vs 4,650 SF filings
Frequently asked questions
How many SF projects does Horn Lee appear on?▾
PermitPipeline tracks 41 San Francisco building-permit projects for Horn Lee (Jan 2025 to Sep 2026). 6 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?▾
28% of Horn Lee's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Horn Lee project worth?▾
The median declared value across the 41 San Francisco projects Horn Lee has on record that state one is $26K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Horn Lee?▾
Horn Lee most frequently appears on the same San Francisco permit filings as Tip Managers Inc, G M Building And Construction Inc, R & D Construction Co 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 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 Oct 4, 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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