Contractor, San Francisco License 889820
Ace Drilling & Excavation
The city has issued 53 of the 56 San Francisco building permits that name Ace Drilling & Excavation since 2018. The work is mostly residential, led by home remodels. Their median plan-review permit for home remodels took 9.1 months from filing to issue, about the same as the citywide median. Their busiest neighborhoods are Bernal Heights, Mission and Castro/Upper Market.
- Also filed as
- engineer
- Issued by the city
- 53 of 56 filed since 2018
- Median plan-review time, home remodels
- 9.1 mo city median 8.9 mo
- Rank for home remodels
- No. 138 of 184 by home remodels issued
- Overall rank
- No. 214 of 226 contractors
What they work on
Every San Francisco building permit with Ace Drilling & Excavation on the record since 2018, by project type. Most filed: 28 home remodels, 13 apartments and multifamily, 5 ADUs.
Residential and commercial, by permits filed
- Home remodels Residential 26 of 28 issued 50% of filings.
- Apartments and multifamily Residential 13 of 13 issued 23% of filings.
- ADUs Residential 4 of 5 issued 9% of filings.
- Home additions Residential 3 of 3 issued 5% of filings.
- Offices Commercial 3 of 3 issued 5% of filings.
- Restaurants and bars Commercial 3 of 3 issued 5% of filings.
- New homes Residential 1 of 1 issued 2% 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
- 15 permits filed
- Latest filing
- Aug 2026
- 95% of 56 issued
One building per year, its height the permits filed. Each floor line marks 2 permits; the 2026 building is dashed because it counts permits filed through October 20, 2026.
Issued by the city: 53 of 56 permits filed
All San Francisco project permits since 2018 in this data
3 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. Ace Drilling & Excavation has 16 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.
Ace Drilling & Excavation, home remodels
9.1months
That is about the same as the citywide median for home remodels.
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.
- 212 Bryan J. Valverde Co 53
- 213 Sf Twin Boys Corp. Dba Master Builders 53
- 214 Ace Drilling & Excavation 53
- 215 Narrowback Construction Co. 53
- 216 Bailey General Contracting Co Inc 53
All permits issued, 226 contractors Full ranking
- 136 Golden One Construction Inc 27
- 137 Sonoma Build Group Inc 27
- 138 Ace Drilling & Excavation 26
- 139 Granite Excavation & Demolition Inc 25
- 140 Sincere Construction Company Inc 24
Home remodels issued, 184 contractors
Where they work
The neighborhoods where Ace Drilling & Excavation files the most permits, and how many contractors count each one among their top 4 neighborhoods.
- 01 Bernal Heights 21 contractors count Bernal Heights among their busiest neighborhoods
- 02 Mission 86 contractors count Mission among their busiest neighborhoods
- 03 Castro/Upper Market 45 contractors count Castro/Upper Market among their busiest neighborhoods
- 04 Noe Valley 55 contractors count Noe Valley 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 Ace Drilling & Excavation by permits issued for home remodels.
- 135 Kilrea Construction Inc. 28 home remodels issued
- 136 Golden One Construction Inc 27 home remodels issued
- 137 Sonoma Build Group Inc 27 home remodels issued · 16.8 mo median for home remodels
- 139 Granite Excavation & Demolition Inc 25 home remodels issued · 7.4 mo median for home remodels
- 140 Sincere Construction Company Inc 24 home remodels issued
- 141 Doherty Restoration, Inc. 23 home remodels issued
- Sheet
- C-214 No. 214 of 226
- Drawing
- Permit record, Ace Drilling & Excavation
- Contractor, San Francisco
- License
- 889820 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 Ace Drilling & Excavation has not paid to be listed. Project addresses are never shown.
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