Block 2698, lot 010

284 Diamond St

City’s use: Multi-Family Residential
Built: 1905
Stories: 4
Units: 7
Rooms: 8 bathrooms
Building: 8,245 sq ft
Lot: 6,625 sq ft
Zoning: RH3
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

15 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled

Filed	Outcome	Address	Contractor	Work described on the permit	Declared cost
Jul 22, 2025	Completed final sign-off Aug 2025	284 Diamond St	Brighter Bay Builders Inc	remodel existing bathroom. Details Permit 202507221342 Status complete Filed Jul 22, 2025 Permit issued Jul 22, 2025 Final sign-off Aug 22, 2025 Declared cost $23,000 Address 284 Diamond St remodel existing bathroom. Open the permit page	$23,000
Jan 7, 2019	Completed final sign-off Mar 2019	276 Diamond St	Brighter Bay Builders Inc	kitchen and bathroom remodel incl electrical and plumbing upgrades add washer and dryer Details Permit 201901079782 Status complete Filed Jan 7, 2019 Permit issued Jan 7, 2019 Final sign-off Mar 25, 2019 Declared cost $30,000 Address 276 Diamond St kitchen and bathroom remodel incl electrical and plumbing upgrades add washer and dryer Open the permit page	$30,000
Oct 29, 2018	Completed final sign-off Nov 2018	274 Diamond St	San Francisco Fire Protection	sprinkler water flow & supervisory system. install new control unit, radio communicator, heat det & pull station in garage area. install monitor modules to tie-in flow and tamper switch to new panel. ref 201803143610 & 201607011383 Details Permit 201810294395 Status complete Filed Oct 29, 2018 Permit issued Oct 29, 2018 Final sign-off Nov 26, 2018 Declared cost $3,000 Address 274 Diamond St sprinkler water flow & supervisory system. install new control unit, radio communicator, heat det & pull station in garage area. install monitor modules to tie-in flow and tamper switch to new panel. ref 201803143610 & 201607011383 Open the permit page	$3,000
Jul 19, 2018	Never finaled issued Jul 2018, no final	274 Diamond St		street space Details Permit M952247 Status issued Filed Jul 19, 2018 Permit issued Jul 19, 2018 Address 274 Diamond St street space Open the permit page
Apr 12, 2018	Never finaled issued Apr 2018, no final	274 Diamond St		street space Details Permit M912127 Status issued Filed Apr 12, 2018 Permit issued Apr 12, 2018 Address 274 Diamond St street space Open the permit page
Apr 6, 2018	Completed final sign-off May 2018	284 Diamond St	Brighter Bay Builders Inc	to comply with nov #201122801 items 1-9. kitchen remodel, plumbing remodel. update electrical and plumbing to code. Details Permit 201804065767 Status complete Filed Apr 6, 2018 Permit issued Apr 6, 2018 Final sign-off May 21, 2018 Declared cost $30,000 Address 284 Diamond St to comply with nov #201122801 items 1-9. kitchen remodel, plumbing remodel. update electrical and plumbing to code. Open the permit page	$30,000
Mar 14, 2018	Completed final sign-off Dec 2018	274 Diamond St	P-T Group Inc	install 19 new sprinklers on first floor partial system with 2" underground dedicated fire service, copper k. nfpa 13, includes garage. ref app#201607011383 demand 75 gpm @ 55 psi. 15 psi safety. Details Permit 201803143610 Status complete Filed Mar 14, 2018 Permit issued Mar 15, 2018 Final sign-off Dec 4, 2018 Declared cost $7,000 Address 274 Diamond St install 19 new sprinklers on first floor partial system with 2" underground dedicated fire service, copper k. nfpa 13, includes garage. ref app#201607011383 demand 75 gpm @ 55 psi. 15 psi safety. Open the permit page	$7,000
Aug 4, 2016	Never finaled issued Aug 2016, no final	274 Diamond St		street space Details Permit M710887 Status issued Filed Aug 4, 2016 Permit issued Aug 4, 2016 Address 274 Diamond St street space Open the permit page
Jul 1, 2016	Completed final sign-off Nov 2018	274 Diamond St	Thomson Construction, Inc.	construct accessory dwelling unit per sf ord #30-15. mandatory soft-story seismic retrofit previously completed from appln #2015-0323-1618. sprinkler/alarm deferred. Details Permit 201607011383 Status complete Filed Jul 1, 2016 Permit issued Feb 6, 2018 Final sign-off Nov 29, 2018 Declared cost $120,000 Address 274 Diamond St construct accessory dwelling unit per sf ord #30-15. mandatory soft-story seismic retrofit previously completed from appln #2015-0323-1618. sprinkler/alarm deferred. Open the permit page	$120,000
Jun 3, 2016	Never finaled issued Jun 2016, no final	274 Diamond St		street space Details Permit M695831 Status issued Filed Jun 3, 2016 Permit issued Jun 3, 2016 Address 274 Diamond St street space Open the permit page
Apr 8, 2016	Never finaled issued May 2016, no final	274 Diamond St	Pioneer Builders	revision to pa#201503231618, foundation & site drainage revisions to accommodate future adu. Details Permit 201604084268 Status issued Filed Apr 8, 2016 Permit issued May 6, 2016 Declared cost $20,000 Address 274 Diamond St revision to pa#201503231618, foundation & site drainage revisions to accommodate future adu. Open the permit page	$20,000
Mar 31, 2016	Never finaled issued Mar 2016, no final	274 Diamond St		street space permit Details Permit M677827 Status issued Filed Mar 31, 2016 Permit issued Mar 31, 2016 Address 274 Diamond St street space permit Open the permit page
Jan 26, 2016	Never finaled issued Jan 2016, no final	274 Diamond St		street space Details Permit M658187 Status issued Filed Jan 26, 2016 Permit issued Jan 26, 2016 Address 274 Diamond St street space Open the permit page
Mar 23, 2015	Completed final sign-off Nov 2016	274 Diamond St	Pioneer Builders	soft story seismic retrofit per sf ord. no 6613, bldg code ch 34b & admin bulletin 106/107 Details Permit 201503231618 Status complete Filed Mar 23, 2015 Permit issued Jan 26, 2016 Final sign-off Nov 30, 2016 Declared cost $60,000 Address 274 Diamond St soft story seismic retrofit per sf ord. no 6613, bldg code ch 34b & admin bulletin 106/107 Open the permit page	$60,000
Mar 22, 2011	Completed final sign-off Apr 2011	274 Diamond St	J. Ho Construction Inc	comply with nov 20103001. remove (e) wood utility ladder at top landing right rear wood extension stair and repair door self closing and door lock. Details Permit 201103222597 Status complete Filed Mar 22, 2011 Permit issued Mar 22, 2011 Final sign-off Apr 1, 2011 Declared cost $600 Address 274 Diamond St comply with nov 20103001. remove (e) wood utility ladder at top landing right rear wood extension stair and repair door self closing and door lock. Open the permit page	$600

Who worked here

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

Contractors: Brighter Bay Builders Inc (3), Pioneer Builders (2), J. Ho Construction Inc, P-T Group Inc, San Francisco Fire Protection, Thomson Construction, Inc.
Engineers: W. Charles Perry (2)

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