Thomas Chen Construction
- Based in
- San Francisco
- On San Francisco permits
- Mar 2009 to May 2026
- Last 24 months
- 4 permits filed
39 permits since 2000: 38 completed, 1 never finaled.
Of the 1 never-finaled permit, 1 is over 10 years old.
This is the city’s permit record, not a license check. It does not show whether the state license is active, bonded or insured. How to read these records
Permits filed each year
How long permits take
Each point is the quarter the permits were filed, for stairs across San Francisco. A median counts only permits that have finished, so the shaded recent quarters look faster than they will end up: their slow permits have not finished yet. Hover a point for the slowest 10%. Gaps mean fewer than 5 permits. A rise in the issue line is the city’s review backlog, not the contractor. Too few of this contractor’s permits have finished to plot them.
Stairs permits
4 stairs permits: 4 completed. Typically 0 days from filing to permit and 25 days from permit to final inspection.
| Filed | Outcome | Address | Work described on the permit | Declared cost |
|---|---|---|---|---|
| Mar 9, 2026 | Completed final sign-off Apr 2026 | 1953 Clement St | replace a window in kind facing street. repair dry-rot stairs, landings, risers rails less than 50% in kind,same size & same location.Details
replace a window in kind facing street. repair dry-rot stairs, landings, risers rails less than 50% in kind,same size & same location. | $3,750 |
| Aug 3, 2016 | Completed final sign-off Aug 2016 | 277 30th St | less than 50% front stair repair. replace 4 pieces of 6 x 6 post, one stair tread. 5 pieces of 2 x 6 decking planks and 15 linear feet of 42" high guardrails for the front exterior stair w/ 2x2 picket. less than 4" pass thru. no bbns or planning code complaitns.Details
less than 50% front stair repair. replace 4 pieces of 6 x 6 post, one stair tread. 5 pieces of 2 x 6 decking planks and 15 linear feet of 42" high guardrails for the front exterior stair w/ 2x2 picket. less than 4" pass thru. no bbns or planning code complaitns. | $2,800 |
| Oct 26, 2012 | Completed final sign-off Dec 2012 | 124 Pfeiffer St | common area- replace back stairs guardrails and handrails, less than 50%Details
common area- replace back stairs guardrails and handrails, less than 50% | $2,000 |
| Apr 15, 2009 | Completed final sign-off Apr 2009 | 3613 25th St | replace 4"x4" post at the rear stairs. approxmateylly 14 ' flong as original use p.t. d. f. lumber. comply with nov#200994024#2.Details
replace 4"x4" post at the rear stairs. approxmateylly 14 ' flong as original use p.t. d. f. lumber. comply with nov#200994024#2. | $400 |