Tam And Sons Inc

Contractor license: 1002514; State license record
Based in: San Francisco
On San Francisco permits: May 2019 to Jun 2025
Last 24 months: 1 permit filed

13 permits since 2000: 9 completed, 2 in progress, 2 never finaled.

Of the 2 never-finaled permits, 2 are 5 to 10 years old.

CompletedIn progressNever finaledExpired or cancelled

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

Median days to final inspection, citywideMedian days to permit issued, citywide

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

All Stairs 2 Kitchen remodel 5 Bathroom remodel 5

2 stairs permits: 1 completed, 1 in progress. Typically 122 days from filing to permit and 533 days from permit to final inspection.

Filed	Outcome	Address	Work described on the permit	Declared cost
Jun 25, 2025	In progress issued Feb 2026	436 36th Av	new interior stair; voluntary structural retrofit; convert portion of (e) utility to closet. Details Permit 202506118469 Status issued Filed Jun 25, 2025 Permit issued Feb 10, 2026 Declared cost $90,000 Address 436 36th Av new interior stair; voluntary structural retrofit; convert portion of (e) utility to closet. Open the permit page	$90,000
Sep 7, 2021	Completed final sign-off Mar 2023	1211 39th Av	comply w/complaint #202179616 rearange rooms, stairs remodel kitchen & bath, add bath on 2nd & 3rd fl. add bedroom a full bathroom & study on 1st fl. relocate/replace door w/ aluminum and wood windows/door at front, replace windows/door w/vinyl at rear update plumbing and electrical Details Permit 202109077842 Status complete Filed Sep 7, 2021 Permit issued Sep 21, 2021 Final sign-off Mar 8, 2023 Declared cost $180,000 Address 1211 39th Av comply w/complaint #202179616 rearange rooms, stairs remodel kitchen & bath, add bath on 2nd & 3rd fl. add bedroom a full bathroom & study on 1st fl. relocate/replace door w/ aluminum and wood windows/door at front, replace windows/door w/vinyl at rear update plumbing and electrical Open the permit page	$180,000