Contractor, Sunnyvale License 1041020
Prosper Construction Dev Inc.
The city has issued 225 of the 231 San Francisco building permits that name Prosper Construction Dev Inc. since 2018. The work is mostly residential, led by home remodels. Their median plan-review permit for home remodels took 20.2 months from filing to issue, 127% slower than the citywide median. Their busiest neighborhoods are West of Twin Peaks, Castro/Upper Market and Inner Sunset.
- Issued by the city
- 225 of 231 filed since 2018
- Median plan-review time, home remodels
- 20.2 mo city median 8.9 mo
- Rank for home remodels
- No. 5 of 184 by home remodels issued
- Overall rank
- No. 34 of 226 contractors
What they work on
Every San Francisco building permit with Prosper Construction Dev Inc. on the record since 2018, by project type. Most filed: 161 home remodels, 62 apartments and multifamily, 4 home additions.
Residential and commercial, by permits filed
- Home remodels Residential 156 of 161 issued 70% of filings.
- Apartments and multifamily Residential 61 of 62 issued 27% of filings.
- Home additions Residential 4 of 4 issued 2% of filings.
- ADUs Residential 2 of 2 issued 1% of filings.
- Retail and shops Commercial 1 of 1 issued <1% 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
- 2023
- 45 permits filed
- Latest filing
- Aug 2026
- 97% of 231 issued
One building per year, its height the permits filed. Each floor line marks 10 permits; the 2026 building is dashed because it counts permits filed through October 20, 2026.
Issued by the city: 225 of 231 permits filed
All San Francisco project permits since 2018 in this data
6 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. Prosper Construction Dev Inc. has 13 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.
Prosper Construction Dev Inc., home remodels
20.2months
That is 127% slower than the citywide median for home remodels.
4 firms with medians over 21 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.
- 32 Seismic Retrofitters Inc. 245
- 33 D3 Construction 239
- 34 Prosper Construction Dev Inc. 225
- 35 Dpr Construction 219
- 36 Truebeck Construction 218
All permits issued, 226 contractors Full ranking
- 3 Reliable Construction Inc 211
- 4 Edri Construction Inc *See Notes* 160
- 5 Prosper Construction Dev Inc. 156
- 6 Clayton Timbrell & Co 156
- 7 D3 Construction 155
Home remodels issued, 184 contractors
Where they work
The neighborhoods where Prosper Construction Dev Inc. 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 Inner Sunset 24 contractors count Inner Sunset among their busiest neighborhoods
- 04 Sunset/Parkside 51 contractors count Sunset/Parkside 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 Prosper Construction Dev Inc. by permits issued for home remodels.
- 2 Gil Construction & Assoc Inc. 259 home remodels issued · 13.0 mo median for home remodels
- 3 Reliable Construction Inc 211 home remodels issued · 10.8 mo median for home remodels
- 4 Edri Construction Inc *See Notes* 160 home remodels issued
- 6 Clayton Timbrell & Co 156 home remodels issued · 13.7 mo median for home remodels
- 7 D3 Construction 155 home remodels issued
- 8 Mission Home Remodeling Inc 152 home remodels issued · 12.8 mo median for home remodels
- Sheet
- C-034 No. 34 of 226
- Drawing
- Permit record, Prosper Construction Dev Inc.
- Contractor, Sunnyvale
- License
- 1041020 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 Prosper Construction Dev Inc. has not paid to be listed. Project addresses are never shown.
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