Peterson Mechanical Inc.

Contractor license: 171486; State license record
Based in: Sonoma
On San Francisco permits: Apr 2015 to Sep 2025
Last 24 months: 1 permit filed

6 permits since 2000: 4 completed, 1 in progress, 1 never finaled.

Of the 1 never-finaled permit, 1 is over 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 all building permits 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.

Most recent permits

All

Filed	Outcome	Address	Work described on the permit	Declared cost
Sep 10, 2025	In progress issued Sep 2025	1366 36th Av	install 3 ductless mini split heat pumps & rooftop erv ii cassetes Details Permit 202509104987 Status issued Filed Sep 10, 2025 Permit issued Sep 10, 2025 Declared cost $180,000 Address 1366 36th Av install 3 ductless mini split heat pumps & rooftop erv ii cassetes Open the permit page	$180,000
Aug 29, 2019	Completed final sign-off Jul 2020	2300 Harrison St	replace (4) ac units, (3) exhaust fans, (1) boiler system on the roof. maher na Details Permit 201908290212 Status complete Filed Aug 29, 2019 Permit issued Aug 30, 2019 Final sign-off Jul 14, 2020 Declared cost $450,000 Address 2300 Harrison St replace (4) ac units, (3) exhaust fans, (1) boiler system on the roof. maher na Open the permit page	$450,000
Feb 18, 2016	Never finaled issued Mar 2016, no final	4131 Geary Bl	replace existing air handling unit and exhaust fan (roof top). Details Permit 201602189901 Status issued Filed Feb 18, 2016 Permit issued Mar 9, 2016 Declared cost $328,000 Address 4131 Geary Bl replace existing air handling unit and exhaust fan (roof top). Open the permit page	$328,000
Apr 15, 2015	Completed final sign-off Sep 2015	4141 Geary Bl	ahu-3 - like for like replacement of (1) air conditioning unit and (1) exhaust fan . n/a maher ordinance Details Permit 201504153692 Status complete Filed Apr 15, 2015 Permit issued Apr 16, 2015 Final sign-off Sep 29, 2015 Declared cost $392,000 Address 4141 Geary Bl ahu-3 - like for like replacement of (1) air conditioning unit and (1) exhaust fan . n/a maher ordinance Open the permit page	$392,000
Apr 15, 2015	Completed final sign-off Aug 2015	4141 Geary Bl	(ahu-1)- like for like replacement of one air conditioning unit and (1) exhaust fan. n/a for maher. Details Permit 201504153687 Status complete Filed Apr 15, 2015 Permit issued Apr 16, 2015 Final sign-off Aug 24, 2015 Declared cost $392,000 Address 4141 Geary Bl (ahu-1)- like for like replacement of one air conditioning unit and (1) exhaust fan. n/a for maher. Open the permit page	$392,000
Apr 15, 2015	Completed final sign-off Sep 2015	4141 Geary Bl	(ahu-2)- like for like replacement of (1) air conditioning unit and (1) exhaust fan. n/a maher ordinance Details Permit 201504153691 Status complete Filed Apr 15, 2015 Permit issued Apr 16, 2015 Final sign-off Sep 29, 2015 Declared cost $392,000 Address 4141 Geary Bl (ahu-2)- like for like replacement of (1) air conditioning unit and (1) exhaust fan. n/a maher ordinance Open the permit page	$392,000