Permit GraphShortlistSan Francisco building permits since 2000

Block 6591, lot 010

406 Duncan St

City’s use
Multi-Family Residential
Built
1910
Stories
2
Units
8
Rooms
8 bathrooms
Building
6,080 sq ft
Lot
4,560 sq ft
Zoning
RH2
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

9 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled
FiledOutcomeAddressContractorWork described on the permitDeclared cost
Mar 25, 2026Completed
final sign-off Mar 2026
406 Duncan StImpact Restoration & Constructionexterior: put up asphalt shingle (repair), paint moldings, clean fire escape and gutters.
Details
Permit
202603258267
Status
complete
Filed
Mar 25, 2026
Permit issued
Mar 25, 2026
Final sign-off
Mar 30, 2026
Declared cost
$9,000
Address
406 Duncan St

exterior: put up asphalt shingle (repair), paint moldings, clean fire escape and gutters.

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$9,000
Sep 6, 2023Never finaled
issued Sep 2023, no final
406 Duncan StCrime Watch Security Sys Llcupgrade (e) fire alarm system to comply with sffc section 1103.7.6.1
Details
Permit
202309065966
Status
issued
Filed
Sep 6, 2023
Permit issued
Sep 7, 2023
Declared cost
$23,200
Address
406 Duncan St

upgrade (e) fire alarm system to comply with sffc section 1103.7.6.1

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$23,200
May 30, 2019Never finaled
issued May 2019, no final
408 Duncan Ststreet space & sidewalk permit
Details
Permit
M1087707
Status
issued
Filed
May 30, 2019
Permit issued
May 30, 2019
Address
408 Duncan St

street space & sidewalk permit

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Aug 12, 2016Completed
final sign-off Sep 2016
406 Duncan StYiu Cheong Construction Co Increpair front siding dry rot no layout, structural chane same pattern for the siding. repair stucco and wood siding in-kind.
Details
Permit
201608124908
Status
complete
Filed
Aug 12, 2016
Permit issued
Aug 12, 2016
Final sign-off
Sep 13, 2016
Declared cost
$5,000
Address
406 Duncan St

repair front siding dry rot no layout, structural chane same pattern for the siding. repair stucco and wood siding in-kind.

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$5,000
Jul 28, 2016Never finaled
issued Jul 2016, no final
406 Duncan Ststreet space permit
Details
Permit
M709153
Status
issued
Filed
Jul 28, 2016
Permit issued
Jul 28, 2016
Address
406 Duncan St

street space permit

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Jul 25, 2016Completed
final sign-off Jul 2019
406 Duncan StSincere Construction Company Incsoft story retrofit to comply with sfbc 34b mandatory seismic retrofit iebc a4
Details
Permit
201607253282
Status
complete
Filed
Jul 25, 2016
Permit issued
Mar 15, 2019
Final sign-off
Jul 18, 2019
Declared cost
$68,000
Address
406 Duncan St

soft story retrofit to comply with sfbc 34b mandatory seismic retrofit iebc a4

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$68,000
Feb 17, 2015Completed
final sign-off Mar 2015
414 Duncan StNg's Landmark Bldg & Engineeringfront bldg - replace existing staircase w/new at rear of bldg in kind.
Details
Permit
201502178433
Status
complete
Filed
Feb 17, 2015
Permit issued
Feb 26, 2015
Final sign-off
Mar 19, 2015
Declared cost
$1,800
Address
414 Duncan St

front bldg - replace existing staircase w/new at rear of bldg in kind.

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$1,800
Jan 30, 2015Completed
final sign-off Mar 2015
414 Duncan StNg's Landmark Bldg & Engineeringpartial compliance with his nov 201517921 dated 1/16/2015; replace tub & faucet, tub surround, tub enclosure & painting of bathroom.
Details
Permit
201501307078
Status
complete
Filed
Jan 30, 2015
Permit issued
Feb 17, 2015
Final sign-off
Mar 19, 2015
Declared cost
$5,000
Address
414 Duncan St

partial compliance with his nov 201517921 dated 1/16/2015; replace tub & faucet, tub surround, tub enclosure & painting of bathroom.

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$5,000
Feb 24, 2003Completed
final sign-off Mar 2003
408 Duncan StNg's Landmark Bldg & Engineeringrepair dry rotted deck & framing<50% repair in kind.to comply w/n.o.v#200336883 item #2
Details
Permit
200302248091
Status
complete
Filed
Feb 24, 2003
Permit issued
Feb 24, 2003
Final sign-off
Mar 6, 2003
Declared cost
$800
Address
408 Duncan St

repair dry rotted deck & framing<50% repair in kind.to comply w/n.o.v#200336883 item #2

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$800

Who worked here

Everyone with a license on these permits, by role, with how many permits each is on.

Contractors
Ng's Landmark Bldg & Engineering (3), Crime Watch Security Sys Llc, Impact Restoration & Construction, Sincere Construction Company Inc, Yiu Cheong Construction Co Inc
Designers
Darren Wong

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