Contractor, San Francisco License 804459
Hammerhouse Construction
The city has issued 70 of the 71 San Francisco building permits that name Hammerhouse Construction since 2018. The work is mostly residential, led by home remodels. Their median plan-review permit, across all project types, took 9.4 months from filing to issue. Their busiest neighborhoods are West of Twin Peaks, Castro/Upper Market and Haight Ashbury.
- Also filed as
- designer
- Issued by the city
- 70 of 71 filed since 2018
- Median plan-review time, all types
- 9.4 mo filing to issue
- Rank for home remodels
- No. 86 of 184 by home remodels issued
- Overall rank
- No. 162 of 226 contractors
What they work on
Every San Francisco building permit with Hammerhouse Construction on the record since 2018, by project type. Most filed: 50 home remodels, 15 apartments and multifamily, 5 home additions.
Residential and commercial, by permits filed
- Home remodels Residential 50 of 50 issued 70% of filings.
- Apartments and multifamily Residential 14 of 15 issued 21% of filings.
- Home additions Residential 5 of 5 issued 7% of filings.
- Hotels, clinics, schools and other commercial Commercial 1 of 1 issued 1% 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
- 2018
- 19 permits filed
- Latest filing
- Apr 2026
- 99% of 71 issued
One building per year, its height the permits filed. Each floor line marks 5 permits; the 2026 building is dashed because it counts permits filed through October 20, 2026.
Issued by the city: 70 of 71 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. Hammerhouse Construction has 5 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.
Hammerhouse Construction, all project types
9.4months
6 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.
- 160 Intelligent Technologies & Services Inc 71
- 161 All Homes And Construction Inc 70
- 162 Hammerhouse Construction 70
- 163 Allied Teamwork Construction Co 70
- 164 Wing Construction Co. 69
All permits issued, 226 contractors Full ranking
- 84 Elliott Build Remodel Llc 51
- 85 Yefa Construction Inc 50
- 86 Hammerhouse Construction 50
- 87 Hong Shink Construction 50
- 88 Ggd Inc. 49
Home remodels issued, 184 contractors
Where they work
The neighborhoods where Hammerhouse Construction files the most permits, and how many contractors count each one among their top 4 neighborhoods.
- 01 West of Twin Peaks 54 contractors count West of Twin Peaks among their busiest neighborhoods
- 02 Castro/Upper Market 45 contractors count Castro/Upper Market among their busiest neighborhoods
- 03 Haight Ashbury 26 contractors count Haight Ashbury among their busiest neighborhoods
- 04 Russian Hill 30 contractors count Russian Hill 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 contractors for home remodels
Firms ranked near Hammerhouse Construction by permits issued for home remodels.
- 83 Bc United Construction Inc 51 home remodels issued · 9.7 mo median for home remodels
- 84 Elliott Build Remodel Llc 51 home remodels issued · 10.1 mo median for home remodels
- 85 Yefa Construction Inc 50 home remodels issued · 13.2 mo median for home remodels
- 87 Hong Shink Construction 50 home remodels issued · 3.9 mo median for home remodels
- 88 Ggd Inc. 49 home remodels issued · 6.0 mo median for home remodels
- 89 Stonebridge Construction Inc 49 home remodels issued · 6.3 mo median for home remodels
- Sheet
- C-162 No. 162 of 226
- Drawing
- Permit record, Hammerhouse Construction
- Contractor, San Francisco
- License
- 804459 check with CSLB
- 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 Hammerhouse Construction has not paid to be listed. Project addresses are never shown.
Is this your firm? Claim it or send a correction.