3751–3753 20th Street
Mission · San Francisco, CA 94110
Permit history
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Dec 2025
To obtain final inspection for work approved under permit application 201808177643, 202101253251, 202105250999. all work is complete.
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Dec 2025
To obtain final inspection for work approved under permit application 201506038013. all work is complete.
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May 2025
Restore brick finish @ retaining wall, replace tile @ extension with stucco, restore front door transom all per planning nov permit application 2023-004187-prj revision to permit application 2015-0603-8013 s1-r1.
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Apr 2023
Installation of new sprinkler monitoring system, ref permit application 202108126308.
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Aug 2021
Install fire sprinkler system (78 heads) in all floors per nfpa-13, includes underground. ref app#201506038013 s1 r-1.
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May 2021
Revision to bpa#201506038013. replace existing aluminum window with new wood window to match existing rough opening dimentions. window is visible from street. top floor window.
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Jan 2021
Replaced damaged siding.
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Aug 2018
Provide temp shoring to facilitate excavation and construction of the proposed basement addition ref 201506038013.
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Jun 2015
New 3-story horizontal addition at rear. new living level below existing structure. new below-grade garage at street level. new retaining walls at rear yard. replace existing gable window(alum) with new wood window. repair/replace existing wood window sashes where indicated.new living room, bedrooms, bath.
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Feb 2008
Comply nov 200684102: e deck stair to be removed from 2nd to 3rd story. n stairs to be relocated as shown in plans. new deck support unter stair. fill in railing at n work only.
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Feb 2008
Comply with nov# 200684102-existing deck stair to be removed from 2nd to 3rd story. new stairs to be relocated as shown in plans, new deck support under stair, fill in railing at new work only.
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Feb 2007
Replace approx 10' stair stringers x 2 and stair treds. less than 50% of total per nov #200684012 in kind.
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Jul 1998
Construct 8' long retaining wall less than 4' high.
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Mar 1989
Reroofing.
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Sep 1986
Repair deck.
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Dec 1985
Legalize 2 units.
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Oct 1984
Remove portion of brick, install sill, remove landing, stair.
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.