Block 1524, lot 008B

451 20th Ave

City’s use: Multi-Family Residential
Built: 1914
Stories: 2
Units: 2
Rooms: 4 bedrooms, 2 bathrooms
Building: 2,378 sq ft
Lot: 3,000 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

4 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled

Filed	Outcome	Address	Contractor	Work described on the permit	Declared cost
Sep 13, 2021	Never finaled filed Sep 2021, never issued	451 20th Av		unit legalization of dwelling unit installed without a permit. legalization of (e) unauthorized dwelling unit under ordinance no. 43-14. legalize kitchen. Details Permit 202109138236 Status filed Filed Sep 13, 2021 Address 451 20th Av unit legalization of dwelling unit installed without a permit. legalization of (e) unauthorized dwelling unit under ordinance no. 43-14. legalize kitchen. Open the permit page
Sep 11, 2020	Completed final sign-off Sep 2020	451 20th Av	Ze Sheng Liao	repair siding of home (back of house) 1400 sf Details Permit 202009113934 Status complete Filed Sep 11, 2020 Permit issued Sep 11, 2020 Final sign-off Sep 23, 2020 Declared cost $3,000 Address 451 20th Av repair siding of home (back of house) 1400 sf Open the permit page	$3,000
Jan 31, 2007	Completed final sign-off May 2007	451 20th Av	Ze Sheng Liao	covert kitchen to office, bedroom to kitchen,to livings rm. remove (e) unbearing rm & closet per plan. Details Permit 200701312983 Status complete Filed Jan 31, 2007 Permit issued Jan 31, 2007 Final sign-off May 3, 2007 Declared cost $12,000 Address 451 20th Av covert kitchen to office, bedroom to kitchen,to livings rm. remove (e) unbearing rm & closet per plan. Open the permit page	$12,000
Dec 19, 2006	Expired or cancelled cancelled Apr 2007	453 20th Av	Ze Sheng Liao	convert kitchen to office, convert bedroom to penthouse, convert bedroom to living room, remove (e) uunbearing rm & closet per plaqn Details Permit 200612190175 Status cancelled Filed Dec 19, 2006 Permit issued Dec 19, 2006 Declared cost $10,000 Address 453 20th Av convert kitchen to office, convert bedroom to penthouse, convert bedroom to living room, remove (e) uunbearing rm & closet per plaqn Open the permit page	$10,000

Who worked here

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

Contractors: Ze Sheng Liao (3)
Engineers: Ching Liu Wu, Horon Lee

Find contractors for work like this

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