3441–3447 20th Street
Mission · San Francisco, CA 94110
Permit history
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Aug 2023
As built f/s plan of ref permit 202112144409. adding copper pipe and propress fittings as an underground option.
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Apr 2022
Upgrade existing fire alarm system to comply with sffc section 1103.7.6.1.
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Dec 2021
Installation of fire sprinkler system. ref permit no. 2015.0109.5338 s-1.
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Nov 2021
Reroofing.
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Feb 2018
Exploratory soft demolition to expose framing and footings in basement floor for engineering of pa 2015-0109-5338.
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Jan 2015
Add 3rd floor (2 apts), remodel basement apts and add 1 apt & 3 parking spaces. (total additions 3 apts.) remodel existing rear stair & add roof deck. sprinkler/alarm deferred.
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Jan 2015
Reroofing.
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Dec 2014
Remodel kitchen and 1 bathroom in upper unit of duplex. replace cabinets countertops, appliances and retile. replace toilet, sink and tub in bathroom retile. no alteration of window, wall and door.
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Aug 2010
1/f- remodel kitchen and 2 bathrooms, replace cabinets in kind, replace sink and appliances, replace bathtub and 2 sinks to comply with 201032761 dated 2/5/10. 70' kitchen, replace 6 lights, 40 sq ft. bath 1 & 50 sq ft bath 2.
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Jan 2006
Add fire sprinkler to cover trash area and entryway - new meter ground level.
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Jan 2003
Renew permit application 200112044496 & #200108297097.
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Sep 2002
Ref. appl#200112044496, 200207171610 to remove kitchen & bathroom in basement.
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Jul 2002
To comply with notice of violation per app #200112044496.
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Dec 2001
Repair/replace in kind upper roof 22x45, laundry roof 2 x 19, laundry roof/floors 9x22, egress stair.
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Aug 2001
Fire repair drywall replacement kitchen-bath fixts.structural roof & staircase repair under separate.
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Jan 1990
Reroofing.
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Feb 1987
Remove brick chimney, sheetrock, abandon living rm & kitchen.
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Jan 1985
To bring up to code.
2 nominal $1 street-space permits are omitted.
Not yet documented: the architect and builder and the early residents. Know any of it? Tell us — just describe it in plain words.