Block 1523, lot 002

419 21st Ave

City’s use: Multi-Family Residential
Built: 1914
Stories: 2
Units: 2
Rooms: 6 bedrooms, 2 bathrooms
Building: 2,850 sq ft
Lot: 3,000 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

6 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled

Filed	Outcome	Address	Contractor	Work described on the permit	Declared cost
Jun 12, 2025	Completed final sign-off Feb 2026	419 21st Av	Quality Home Builders Construction Inc	revision to pa# 202503192576: add footing at office room per plan for unit # 419 Details Permit 202506128552 Status complete Filed Jun 12, 2025 Permit issued Jun 17, 2025 Final sign-off Feb 24, 2026 Declared cost $8,000 Address 419 21st Av revision to pa# 202503192576: add footing at office room per plan for unit # 419 Open the permit page	$8,000
Mar 19, 2025	Completed final sign-off Feb 2026	419 21st Av	Quality Home Builders Construction Inc	convert storage rooms to family room, study room at ground fl for unit 419. new sink Details Permit 202503192576 Status complete Filed Mar 19, 2025 Permit issued May 27, 2025 Final sign-off Feb 25, 2026 Declared cost $30,000 Address 419 21st Av convert storage rooms to family room, study room at ground fl for unit 419. new sink Open the permit page	$30,000
Aug 4, 2021	Completed final sign-off Aug 2021	421 21st Av	K A Lau Construction	revise permit 2021-0716-4535; remove scope "convert bathroom to master bath" keep comply to complaint 202035031 & 202038981 Details Permit 202108045754 Status complete Filed Aug 4, 2021 Permit issued Aug 4, 2021 Final sign-off Aug 6, 2021 Address 421 21st Av revise permit 2021-0716-4535; remove scope "convert bathroom to master bath" keep comply to complaint 202035031 & 202038981 Open the permit page
Jul 16, 2021	Completed final sign-off Aug 2021	421 21st Av	K A Lau Construction	convert 1 hall bathroom into master bathroom, removal of 1 window compiance with nov 202035031 Details Permit 202107164535 Status complete Filed Jul 16, 2021 Permit issued Jul 16, 2021 Final sign-off Aug 6, 2021 Declared cost $8,000 Address 421 21st Av convert 1 hall bathroom into master bathroom, removal of 1 window compiance with nov 202035031 Open the permit page	$8,000
Jun 29, 2020	Expired or cancelled cancelled Jan 2026	421 21st Av		to cover (infill) the (e) property line grampa window (18x24in) non-structural) on the s/s of the property at 421 21st ave due to new construction at 425 21st ave (horiz & vert addition 201705257706). Details Permit 202006299284 Status cancelled Filed Jun 29, 2020 Declared cost $700 Address 421 21st Av to cover (infill) the (e) property line grampa window (18x24in) non-structural) on the s/s of the property at 421 21st ave due to new construction at 425 21st ave (horiz & vert addition 201705257706). Open the permit page	$700
Mar 19, 2010	Never finaled issued Mar 2010, no final	419 21st Av		street space and sidewalk repair Details Permit M193992 Status issued Filed Mar 19, 2010 Permit issued Mar 19, 2010 Address 419 21st Av street space and sidewalk repair Open the permit page

Who worked here

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

Contractors: K A Lau Construction (2), Quality Home Builders Construction Inc (2)
Engineers: Yanxian Chen

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Starts from the last permit filed here; change it to describe your own project. Results cover two-family buildings like this one.