Block 2772, lot 017

4200 23rd St

City’s use: Single Family Residential
Built: 1891
Stories: 2
Units: 1
Rooms: 1 bathroom
Building: 1,634 sq ft
Lot: 2,019 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
Feb 4, 2026	In progress issued Feb 2026	4200 23rd St	Jim Parr Dba Plumbing	install (39) sprinklers throught per nfpa#13-r. underground per nfpa#24. b.a. #2022-0119-6329 Details Permit 202602045191 Status issued Filed Feb 4, 2026 Permit issued Feb 25, 2026 Declared cost $15,000 Address 4200 23rd St install (39) sprinklers throught per nfpa#13-r. underground per nfpa#24. b.a. #2022-0119-6329 Open the permit page	$15,000
Jun 25, 2025	In progress filed Jun 2025, not yet issued	4200 23rd St	Clonduff Construction Inc.	revision 202201196239- (e) window number 10 at sunroom to be replaced in kind (was previously permitted as a (n) 45 min rated window unit). facing front Details Permit 202506259486 Status filed Filed Jun 25, 2025 Address 4200 23rd St revision 202201196239- (e) window number 10 at sunroom to be replaced in kind (was previously permitted as a (n) 45 min rated window unit). facing front Open the permit page
May 20, 2025	In progress issued May 2025	4200 23rd St	Clonduff Construction Inc.	temporary shoring wall for 202201196239 Details Permit 202505206837 Status issued Filed May 20, 2025 Permit issued May 20, 2025 Declared cost $2,000 Address 4200 23rd St temporary shoring wall for 202201196239 Open the permit page	$2,000
Apr 21, 2025	In progress issued Apr 2025	4200 23rd St	Clonduff Construction Inc.	revision to 202201196239. changes at rear retaining walls. Details Permit 202504214881 Status issued Filed Apr 21, 2025 Permit issued Apr 21, 2025 Address 4200 23rd St revision to 202201196239. changes at rear retaining walls. Open the permit page
Jan 19, 2022	In progress issued May 2024	4200 23rd St		(n) 3-story horizontal addition @ rear of structure, 1-story vertical addition (penthouse) @ roof. (n) front entrance vestibule & stairs @ front yard.(n) garage door, planters @ sidewalk, interior remodel per plans. (n) hvac, electrical & plumbing. Details Permit 202201196239 Status issued Filed Jan 19, 2022 Permit issued May 10, 2024 Declared cost $500,000 Address 4200 23rd St (n) 3-story horizontal addition @ rear of structure, 1-story vertical addition (penthouse) @ roof. (n) front entrance vestibule & stairs @ front yard.(n) garage door, planters @ sidewalk, interior remodel per plans. (n) hvac, electrical & plumbing. Open the permit page	$500,000
Jan 24, 2002	Completed final sign-off Feb 2002	4200 23rd St		replacement of cabinets & counters Details Permit 200201247673 Status complete Filed Jan 24, 2002 Permit issued Jan 24, 2002 Final sign-off Feb 6, 2002 Declared cost $6,000 Address 4200 23rd St replacement of cabinets & counters Open the permit page	$6,000

Who worked here

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

Contractors: Clonduff Construction Inc. (3), Jim Parr Dba Plumbing
Architects: Danielle Wyss (2)
Engineers: Joe Igber (3), Danielle Wyss
Subcontractors: Katherine Whyte

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