Block 3516, lot 019

255 12th St

City’s use: Commercial Misc
Built: 1978
Stories: 6
Building: 248,550 sq ft
Lot: 53,875 sq ft
Zoning: WMUG
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

12 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled

Filed	Outcome	Address	Contractor	Work described on the permit	Declared cost
Oct 1, 2025	In progress issued Oct 2025	255 12th St	Siemens Industry, Inc.	fire only work to obtain an "as-built permit for voluntary upgrade of the fire alarm panel. initial fire alarm permit 202502281277 with some device removals Details Permit 202510016447 Status issued Filed Oct 1, 2025 Permit issued Oct 2, 2025 Address 255 12th St fire only work to obtain an "as-built permit for voluntary upgrade of the fire alarm panel. initial fire alarm permit 202502281277 with some device removals Open the permit page
Feb 28, 2025	Completed final sign-off Nov 2025	255 12th St	Siemens Industry, Inc.	fire only work for a voluntary upgrade of the fire alarm panel by motherboard replacement. initiating devices/modules, annunciator and cellular dialer are also replaced due to compatibility. no ref pa # (no associated remodel work) Details Permit 202502281277 Status complete Filed Feb 28, 2025 Permit issued Feb 28, 2025 Final sign-off Nov 19, 2025 Declared cost $50,600 Address 255 12th St fire only work for a voluntary upgrade of the fire alarm panel by motherboard replacement. initiating devices/modules, annunciator and cellular dialer are also replaced due to compatibility. no ref pa # (no associated remodel work) Open the permit page	$50,600
Apr 28, 2022	Completed final sign-off Nov 2022	255 12th St	Metropolitan Electrical Construction	at&t mobility: r/r 4 panel antennas + radomes, 8 facade mounted. r/r 3 rrus. install 2 8" stand-offs at b+c, 3 (n) twinduplexers. 3 (n) dc9 boxes, & 3 #6awg power trunks. rf safety signs/ stripping at rooftop. 1 (n) dc 12 box on (e) frame + 1 (n) 6648 baseband in (e) purcell cabinet. paint. Details Permit 202204283159 Status complete Filed Apr 28, 2022 Permit issued Aug 31, 2022 Final sign-off Nov 18, 2022 Declared cost $75,000 Address 255 12th St at&t mobility: r/r 4 panel antennas + radomes, 8 facade mounted. r/r 3 rrus. install 2 8" stand-offs at b+c, 3 (n) twinduplexers. 3 (n) dc9 boxes, & 3 #6awg power trunks. rf safety signs/ stripping at rooftop. 1 (n) dc 12 box on (e) frame + 1 (n) 6648 baseband in (e) purcell cabinet. paint. Open the permit page	$75,000
Oct 30, 2018	Completed final sign-off Feb 2020	255 12th St	Metropolitan Electrical Construction	att modification. remove and replace 9 (e) antennas w/ 9 (n), install 6 (n) rru's; remove (e) cabinet and replace w/ (n) cabinet; remove 1 (e) string batteries and replace w/ 6 (n) strings of batteries Details Permit 201810304514 Status complete Filed Oct 30, 2018 Permit issued Apr 1, 2019 Final sign-off Feb 12, 2020 Declared cost $51,000 Address 255 12th St att modification. remove and replace 9 (e) antennas w/ 9 (n), install 6 (n) rru's; remove (e) cabinet and replace w/ (n) cabinet; remove 1 (e) string batteries and replace w/ 6 (n) strings of batteries Open the permit page	$51,000
May 17, 2017	Completed final sign-off Feb 2018	255 12th St	Metropolitan Electrical Construction	att mobility: r+r (6)(e) antennas w/(6)(n) antennas, (3) (e) rru's w/(3)(n) rru's; install (3) (n) rrus and other small equipment; r+r (e) rba-72 w/ (n) emerson dc power plant. paint antennas to match. maher ord 155-13 na Details Permit 201705176791 Status complete Filed May 17, 2017 Permit issued Oct 17, 2017 Final sign-off Feb 5, 2018 Declared cost $44,000 Address 255 12th St att mobility: r+r (6)(e) antennas w/(6)(n) antennas, (3) (e) rru's w/(3)(n) rru's; install (3) (n) rrus and other small equipment; r+r (e) rba-72 w/ (n) emerson dc power plant. paint antennas to match. maher ord 155-13 na Open the permit page	$44,000
Feb 11, 2016	Completed final sign-off Feb 2016	255 12th St	Triton Tower Inc	to obtain final inspection for work approved under p#201306260554. all work is complete. Details Permit 201602119374 Status complete Filed Feb 11, 2016 Permit issued Feb 11, 2016 Final sign-off Feb 24, 2016 Address 255 12th St to obtain final inspection for work approved under p#201306260554. all work is complete. Open the permit page
Jan 12, 2016	Completed final sign-off May 2016	255 12th St	Metropolitan Electrical Construction	modification to an existing at a att facility including remove and replace 3 maher not req Details Permit 201601126927 Status complete Filed Jan 12, 2016 Permit issued Apr 7, 2016 Final sign-off May 5, 2016 Declared cost $30,000 Address 255 12th St modification to an existing at a att facility including remove and replace 3 maher not req Open the permit page	$30,000
Jun 26, 2013	Expired or cancelled expired Sep 2017	255 12th St	Technical Solutions West Llc	a modification to an existing unmanned telecommunication facility consisting of adding three new rrus-11s to an existing at&t facility. Details Permit 201306260554 Status expired Filed Jun 26, 2013 Permit issued Aug 28, 2013 Declared cost $6,000 Address 255 12th St a modification to an existing unmanned telecommunication facility consisting of adding three new rrus-11s to an existing at&t facility. Open the permit page	$6,000
Mar 29, 2011	Completed final sign-off Feb 2012	255 12th St	A F L Network Services Inc	installation of an at & t unmanned wireless telecommunication facility consisting of 12 panel antennas & associated equipment cabinets on roof / top floor of parking structure. Details Permit 201103293016 Status complete Filed Mar 29, 2011 Permit issued Jun 15, 2011 Final sign-off Feb 17, 2012 Declared cost $125,000 Address 255 12th St installation of an at & t unmanned wireless telecommunication facility consisting of 12 panel antennas & associated equipment cabinets on roof / top floor of parking structure. Open the permit page	$125,000
Jul 10, 2008	Completed final sign-off Oct 2008	255 12th St	Honeywell International, Inc	addition to fire alarm, 5 strobe boosters, 57 horn/strobes, 64 strobes, 2 manual pull stations, 5 smoke detectors, 4 duct smoke detectors, 4 control modules, 1 monitor module. emergency replacement panel under pa# 2008/01/30/3616. Details Permit 200807106385 Status complete Filed Jul 10, 2008 Permit issued Aug 13, 2008 Final sign-off Oct 27, 2008 Declared cost $250,000 Address 255 12th St addition to fire alarm, 5 strobe boosters, 57 horn/strobes, 64 strobes, 2 manual pull stations, 5 smoke detectors, 4 duct smoke detectors, 4 control modules, 1 monitor module. emergency replacement panel under pa# 2008/01/30/3616. Open the permit page	$250,000
Jan 30, 2008	Completed final sign-off Oct 2008	255 12th St	Honeywell International, Inc	emergency replacement of fire alarm in the whole bldg. replace ex. simplex panel with honeywell x1s200, replace 6 smoke detectors, 18 pullstations, 18 horns/strobes,elevator recall and water flow switch monitor. Details Permit 200801303616 Status complete Filed Jan 30, 2008 Permit issued Jan 30, 2008 Final sign-off Oct 27, 2008 Declared cost $25,000 Address 255 12th St emergency replacement of fire alarm in the whole bldg. replace ex. simplex panel with honeywell x1s200, replace 6 smoke detectors, 18 pullstations, 18 horns/strobes,elevator recall and water flow switch monitor. Open the permit page	$25,000
Apr 22, 2003	Never finaled issued Apr 2003, no final	255 12th St		sidewalk Details Permit M23501 Status issued Filed Apr 22, 2003 Permit issued Apr 22, 2003 Address 255 12th St sidewalk Open the permit page

Who worked here

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

Contractors: Metropolitan Electrical Construction (4), Honeywell International, Inc (2), Siemens Industry, Inc. (2), A F L Network Services Inc, Technical Solutions West Llc, Triton Tower Inc
Architects: James Spore, Jeffrey Rome
Engineers: Eric William Karstetter, Honeywell, Jacob Proctor, James Spore, James Spore, James Spore, Zahra Gerami
Designers: Ronald Demartini

Find contractors for work like this

Starts from the last permit filed here; change it to describe your own project. Results cover every building: the city does not class this parcel as single-family, two-family or apartments.