Designer, San Francisco
Tn Design
The city has issued 6 of the 7 San Francisco building permits that name Tn Design since 2018. The work is mostly residential, led by home remodels. Their median plan-review permit, across all project types, took 5.8 months from filing to issue. Their busiest neighborhoods are West of Twin Peaks, Oceanview/Merced/Ingleside and Mission.
- Also filed as
- architect
- Issued by the city
- 6 of 7 filed since 2018
- Median plan-review time, all types
- 5.8 mo filing to issue
- Rank for home remodels
- No. 750 of 869 by home remodels issued
- Overall rank
- No. 844 of 1,543 architects and designers
What they work on
Every San Francisco building permit with Tn Design on the record since 2018, by project type. Most filed: 2 home remodels, 2 home additions, 2 ADUs.
Residential and commercial, by permits filed
- Home remodels Residential 2 of 2 issued 29% of filings.
- Home additions Residential 1 of 2 issued 29% of filings.
- ADUs Residential 2 of 2 issued 29% of filings.
- Apartments and multifamily Residential 1 of 1 issued 14% of filings.
Permits over time
Permits filed each year, drawn as a street with one building per year, and how many of all their permits the city has issued.
- Busiest year
- 2025
- 5 permits filed
- Latest filing
- Jan 2026
- 86% of 7 issued
One building per year, its height the permits filed. Each floor line marks 1 permit; the 2026 building is dashed because it counts permits filed through October 20, 2026.
Issued by the city: 6 of 7 permits filed
All San Francisco project permits since 2018 in this data
1 not issued as of October 20, 2026. Source: SF Department of Building Inspection permits via DataSF.
How fast their permits come through
Filing to issue for permits that went through plan review. Tn Design has 4 of those across all project types; the citywide comparison is for home remodels, their most filed type, where 3,361 of 93,498 permits went through plan review and the rest were approved over the counter.
Tn Design, all project types
5.8months
12 firms with medians over 18 months are drawn at the right edge.
Where they rank
Ranked by permits the city has issued since 2018, first across every project type, then for home remodels alone.
- 842 Spinel-Tomatis, Inc. 6
- 843 Tb Architect 6
- 844 Tn Design 6
- 845 Weske Associates 6
- 846 Winnie Tam 6
All permits issued, 1,543 architects and designers Full ranking
- 748 Sbl Design Group 2
- 749 John Mclean Architect 2
- 750 Tn Design 2
- 751 Xteam Architecture & Design 2
- 752 David J. Elliott & Associates 2
Home remodels issued, 869 architects and designers Home remodels ranking
Where they work
The neighborhoods where Tn Design files the most permits, and how many architects and designers count each one among their top 4 neighborhoods.
- 01 West of Twin Peaks 306 architects and designers count West of Twin Peaks among their busiest neighborhoods
- 02 Oceanview/Merced/Ingleside 70 architects and designers count Oceanview/Merced/Ingleside among their busiest neighborhoods
- 03 Mission 381 architects and designers count Mission among their busiest neighborhoods
- 04 Outer Richmond 187 architects and designers count Outer Richmond among their busiest neighborhoods
Questions for the first call
- Which of your recent San Francisco permits are closest to my project in type, size and neighborhood, and can I see the permit numbers?
- How long did those permits take from filing to issue, and what did plan check send back?
- Who on your team draws the set, who stamps it, and who answers the city's comments?
Other architects and designers for home remodels
Firms ranked near Tn Design by permits issued for home remodels.
- 746 Robert Fukuda Architect 2 home remodels issued
- 748 Sbl Design Group 2 home remodels issued
- 749 John Mclean Architect 2 home remodels issued
- 751 Xteam Architecture & Design 2 home remodels issued
- 752 David J. Elliott & Associates 2 home remodels issued
- 754 Skb Architects 2 home remodels issued
See all 869 architects and designers ranked for home remodels
- Sheet
- A-844 No. 844 of 1,543
- Drawing
- Permit record, Tn Design
- Designer, San Francisco
- License
- None on the permit record
- Source
- San Francisco DBI building permits, since 2018
- Data as of
- Oct 2026
- Scale
- Not to scale
Built only from public San Francisco Department of Building Inspection records (permits, permit contacts), updated 2026-10-20. It is not a review or an endorsement, and Tn Design has not paid to be listed. Project addresses are never shown.
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