Permit GraphShortlistSan Francisco building permits since 2000

Block 1524, lot 014

491 20th Ave

City’s use
Multi-Family Residential
Built
1919
Stories
2
Units
4
Rooms
4 bathrooms
Building
4,300 sq ft
Lot
2,665 sq ft
Zoning
RM1
Construction type
D

From the assessor's latest secured roll, which can lag recent work. Lot plans, zoning and planning history on the city’s Property Information Map

Permits filed here

12 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled
FiledOutcomeAddressContractorWork described on the permitDeclared cost
Dec 1, 2025Completed
final sign-off Apr 2026
491 20th AvGuo Hua Construction Coreplace 20 windows, 16 are street facing, same size and same location.
Details
Permit
202512010598
Status
complete
Filed
Dec 1, 2025
Permit issued
Dec 1, 2025
Final sign-off
Apr 14, 2026
Declared cost
$800
Address
491 20th Av

replace 20 windows, 16 are street facing, same size and same location.

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$800
Oct 8, 2024Completed
final sign-off Jan 2025
491 20th AvGuo Hua Construction Cocomply with nov #202427331 work done without a permit. remove shower and wet bar from rooms at garage level to return to last legal condition.
Details
Permit
202410082577
Status
complete
Filed
Oct 8, 2024
Permit issued
Oct 8, 2024
Final sign-off
Jan 14, 2025
Declared cost
$1,000
Address
491 20th Av

comply with nov #202427331 work done without a permit. remove shower and wet bar from rooms at garage level to return to last legal condition.

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$1,000
Jun 22, 2018Completed
final sign-off May 2019
491 20th AvGuo Hua Construction Coto obtain final inspection for work approved under pa#201510301340. all work is complete.
Details
Permit
201806222689
Status
complete
Filed
Jun 22, 2018
Permit issued
Jun 22, 2018
Final sign-off
May 20, 2019
Address
491 20th Av

to obtain final inspection for work approved under pa#201510301340. all work is complete.

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Oct 30, 2015Never finaled
issued Nov 2015, no final
497 20th AvTom Can Constructionremove illegal kitchen & convert to legal use as laundry, social room, storage & 1/2 bath on ground floor.
Details
Permit
201510301340
Status
issued
Filed
Oct 30, 2015
Permit issued
Nov 2, 2015
Declared cost
$5,000
Address
497 20th Av

remove illegal kitchen & convert to legal use as laundry, social room, storage & 1/2 bath on ground floor.

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$5,000
Aug 30, 2007Never finaled
issued Aug 2007, no final
499 20th Avstreet space and sidewalk permit
Details
Permit
M84204
Status
issued
Filed
Aug 30, 2007
Permit issued
Aug 30, 2007
Address
499 20th Av

street space and sidewalk permit

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Jan 20, 2006Never finaled
issued Jan 2006, no final
491 20th Avsidewalk repair
Details
Permit
M36091
Status
issued
Filed
Jan 20, 2006
Permit issued
Jan 20, 2006
Address
491 20th Av

sidewalk repair

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Aug 11, 2005Completed
final sign-off Nov 2005
491 20th AvMings Constructionunit 491 remodel kitchen and bathroom, unit 495 remodel kitchen and bath. flourescent lighting
Details
Permit
200508110034
Status
complete
Filed
Aug 11, 2005
Permit issued
Aug 11, 2005
Final sign-off
Nov 23, 2005
Declared cost
$15,000
Address
491 20th Av

unit 491 remodel kitchen and bathroom, unit 495 remodel kitchen and bath. flourescent lighting

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$15,000
Jun 11, 2004Completed
final sign-off Sep 2004
491 20th AvValue Fire Protection Incdesign & install fire sprinkler system at storage & laundry room (4 sprinkler heads)
Details
Permit
200406116248
Status
complete
Filed
Jun 11, 2004
Permit issued
Jun 11, 2004
Final sign-off
Sep 16, 2004
Declared cost
$1,200
Address
491 20th Av

design & install fire sprinkler system at storage & laundry room (4 sprinkler heads)

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$1,200
May 13, 2004Completed
final sign-off Sep 2004
499 20th Avrevise description for unit 499 to "large family child care" in app #2004/03259604 (12 children)(or
Details
Permit
200405133758
Status
complete
Filed
May 13, 2004
Permit issued
May 13, 2004
Final sign-off
Sep 13, 2004
Declared cost
$501
Address
499 20th Av

revise description for unit 499 to "large family child care" in app #2004/03259604 (12 children)(or

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$501
Mar 25, 2004Completed
final sign-off Sep 2004
497 20th Avrvision of appln #2003/11/04/9315 no new window on south side wall in side garage #2 add 1-hr
Details
Permit
200403259604
Status
complete
Filed
Mar 25, 2004
Permit issued
Mar 25, 2004
Final sign-off
Sep 16, 2004
Declared cost
$1,000
Address
497 20th Av

rvision of appln #2003/11/04/9315 no new window on south side wall in side garage #2 add 1-hr

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$1,000
Nov 4, 2003Expired or cancelled
expired Jun 2006
491 20th Avadd social room and half bathroom at the groundfloor
Details
Permit
200311049315
Status
expired
Filed
Nov 4, 2003
Permit issued
Nov 4, 2003
Declared cost
$5,000
Address
491 20th Av

add social room and half bathroom at the groundfloor

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$5,000
Apr 25, 2003Completed
final sign-off Oct 2003
497 20th Avreplace (e) floor tile/counter/sink/cabinet in kitchen, redmodel (e) bathroom in #499, add new bathr
Details
Permit
200304253131
Status
complete
Filed
Apr 25, 2003
Permit issued
Apr 25, 2003
Final sign-off
Oct 24, 2003
Declared cost
$20,000
Address
497 20th Av

replace (e) floor tile/counter/sink/cabinet in kitchen, redmodel (e) bathroom in #499, add new bathr

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$20,000

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