Les M. Peterson

License: 171486; State contractor license record
Listed as: contractor, designer
Firm: Peterson Mechanical Inc.
Based in: Sonoma
On San Francisco permits: Apr 2015 to Sep 2025

6 permits since 2000 (contractor on 6 permits, designer on 1 permit): 4 completed, 1 in progress, 1 never finaled.

CompletedIn progressNever finaledExpired or cancelled

This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. Their ranked record as a contractor is on their contractor page. How to read these records

Most recent permits

Filed	Outcome	Address	Contractor	Work described on the permit	Declared cost
Sep 10, 2025	In progress issued Sep 2025	1366 36th Av	Peterson Mechanical Inc.	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	Peterson Mechanical Inc.	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	Peterson Mechanical Inc.	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	Peterson Mechanical Inc.	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	Peterson Mechanical Inc.	(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	Peterson Mechanical Inc.	(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