Block 0228, lot 015

520 Montgomery St

City’s use: Commercial Retail
Built: 1920
Stories: 2
Units: 1
Building: 5,310 sq ft
Lot: 1,770 sq ft
Zoning: C3O
Construction type: C

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

18 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled

Filed	Outcome	Address	Contractor	Work described on the permit	Declared cost
Jan 23, 2026	Completed final sign-off Feb 2026	520 Montgomery St	Apollo Building & Roofing Group Inc.	reroof 2300 sq ft tear off, install polyglass, hot work permit#126727 Details Permit 202601234446 Status complete Filed Jan 23, 2026 Permit issued Jan 23, 2026 Final sign-off Feb 10, 2026 Declared cost $28,000 Address 520 Montgomery St reroof 2300 sq ft tear off, install polyglass, hot work permit#126727 Open the permit page	$28,000
Aug 15, 2019	Never finaled issued Aug 2019, no final	520 Montgomery St		street space Details Permit M1124827 Status issued Filed Aug 15, 2019 Permit issued Aug 15, 2019 Address 520 Montgomery St street space Open the permit page
Jun 20, 2016	Completed final sign-off Sep 2017	520 Montgomery St	Martin Sign Co Inc.	v studio salons: install non electric projecting sign Details Permit 201606200425 Status complete Filed Jun 20, 2016 Permit issued Jun 16, 2017 Final sign-off Sep 26, 2017 Declared cost $2,200 Address 520 Montgomery St v studio salons: install non electric projecting sign Open the permit page	$2,200
Dec 4, 2014	Expired or cancelled withdrawn May 2016	520 Montgomery St	Garnett Signs Llc	erect 2 non electric projecting double faced banner signs; maher n/a Details Permit 201412042991 Status withdrawn Filed Dec 4, 2014 Declared cost $1,700 Address 520 Montgomery St erect 2 non electric projecting double faced banner signs; maher n/a Open the permit page	$1,700
Jul 28, 2014	Never finaled issued Jul 2014, no final	520 Montgomery St		street space Details Permit M507227 Status issued Filed Jul 28, 2014 Permit issued Jul 28, 2014 Address 520 Montgomery St street space Open the permit page
Jun 11, 2014	Expired or cancelled withdrawn Oct 2014	520 Montgomery St	Kevin M. Sullivan & Associates Inc	hvac ref 201309166849 Details Permit 201406118122 Status withdrawn Filed Jun 11, 2014 Declared cost $35,000 Address 520 Montgomery St hvac ref 201309166849 Open the permit page	$35,000
Jun 6, 2014	Completed final sign-off Nov 2014	520 Montgomery St	Dettaglio Construction Inc Dba Dci Const	new foundation elements, new basement story posts and 1st floor beam to support new level 1 topping slab. compliance with ordinance no. 155-13 not required. Details Permit 201406067737 Status complete Filed Jun 6, 2014 Permit issued Jun 10, 2014 Final sign-off Nov 3, 2014 Declared cost $30,000 Address 520 Montgomery St new foundation elements, new basement story posts and 1st floor beam to support new level 1 topping slab. compliance with ordinance no. 155-13 not required. Open the permit page	$30,000
Feb 10, 2014	Completed final sign-off Nov 2014	520 Montgomery St	Dettaglio Construction Inc Dba Dci Const	2nd fl shoring of existing beams is required to demolish the existing concrete beams and install new steel beams. compliance with ord 155-13 not reqd. Details Permit 201402108174 Status complete Filed Feb 10, 2014 Permit issued Feb 19, 2014 Final sign-off Nov 3, 2014 Declared cost $25,000 Address 520 Montgomery St 2nd fl shoring of existing beams is required to demolish the existing concrete beams and install new steel beams. compliance with ord 155-13 not reqd. Open the permit page	$25,000
Feb 10, 2014	Completed final sign-off Nov 2014	520 Montgomery St	Dettaglio Construction Inc Dba Dci Const	sidewalk shoring of existing sidewalk to repair existing concrete beams that are being repaired as part of the 520 montgomery ti. compliance with ord no 155-13 does not apply. Details Permit 201402108171 Status complete Filed Feb 10, 2014 Permit issued Feb 19, 2014 Final sign-off Nov 3, 2014 Declared cost $19,000 Address 520 Montgomery St sidewalk shoring of existing sidewalk to repair existing concrete beams that are being repaired as part of the 520 montgomery ti. compliance with ord no 155-13 does not apply. Open the permit page	$19,000
Nov 20, 2013	Completed final sign-off Nov 2014	520 Montgomery St	Dettaglio Construction Inc Dba Dci Const	demolish existing mezzanine and stair only, demo permit only, no new construction. building is vacant, no occupants. per ab-017. Details Permit 201311202377 Status complete Filed Nov 20, 2013 Permit issued Nov 22, 2013 Final sign-off Nov 3, 2014 Declared cost $25,000 Address 520 Montgomery St demolish existing mezzanine and stair only, demo permit only, no new construction. building is vacant, no occupants. per ab-017. Open the permit page	$25,000
Sep 16, 2013	Completed final sign-off Oct 2014	520 Montgomery St	Dettaglio Construction Inc Dba Dci Const	remove(e)stair & mezz.fl level,interior t/i include/n stair no change/n mezz.fl,struct.& support members/n accessible restrm at g/f,/n restrms at basemt & 2/f, no exterior wk,n interior partitns,mep under sep.permits(compl. w/maher ord. extended #155-13 not requir'd. excavation less than 50 cu. yd.) Details Permit 201309166849 Status complete Filed Sep 16, 2013 Permit issued Dec 31, 2013 Final sign-off Oct 29, 2014 Declared cost $225,000 Address 520 Montgomery St remove(e)stair & mezz.fl level,interior t/i include/n stair no change/n mezz.fl,struct.& support members/n accessible restrm at g/f,/n restrms at basemt & 2/f, no exterior wk,n interior partitns,mep under sep.permits(compl. w/maher ord. extended #155-13 not requir'd. excavation less than 50 cu. yd.) Open the permit page	$225,000
Nov 29, 2007	Completed final sign-off Jan 2008	520 Montgomery St	Gee Construction	revision to approved pa# 2006.07.11.6247 r-1 ( permit# 1105691), sheets hc-1,t-1,a-1.1, a1.2. primary entrance compliance.change h.c. toilet to toilet. add autoamtic door opener for front door. Details Permit 200711299272 Status complete Filed Nov 29, 2007 Permit issued Nov 29, 2007 Final sign-off Jan 15, 2008 Address 520 Montgomery St revision to approved pa# 2006.07.11.6247 r-1 ( permit# 1105691), sheets hc-1,t-1,a-1.1, a1.2. primary entrance compliance.change h.c. toilet to toilet. add autoamtic door opener for front door. Open the permit page
Oct 1, 2007	Never finaled issued Nov 2007, no final	520 Montgomery St		install electric, single faced, wall sign. Details Permit 200710014124 Status issued Filed Oct 1, 2007 Permit issued Nov 7, 2007 Declared cost $3,500 Address 520 Montgomery St install electric, single faced, wall sign. Open the permit page	$3,500
Jul 11, 2006	Completed final sign-off Jan 2008	520 Montgomery St		re-do teller counter (surface) interior partition, construct a confrence room, carpet replacement. install handrails in stairways. Details Permit 200607116247 Status complete Filed Jul 11, 2006 Permit issued Nov 29, 2006 Final sign-off Jan 15, 2008 Declared cost $80,000 Address 520 Montgomery St re-do teller counter (surface) interior partition, construct a confrence room, carpet replacement. install handrails in stairways. Open the permit page	$80,000
May 8, 2006	Completed final sign-off May 2006	520 Montgomery St	Signs Express Manufacturing	to erect non-electric wall single faced sign. Details Permit 200605081017 Status complete Filed May 8, 2006 Permit issued May 8, 2006 Final sign-off May 31, 2006 Address 520 Montgomery St to erect non-electric wall single faced sign. Open the permit page
May 8, 2006	Completed final sign-off May 2006	520 Montgomery St	Signs Express Manufacturing	to erect non-electric door / window single faced sign. Details Permit 200605081019 Status complete Filed May 8, 2006 Permit issued May 8, 2006 Final sign-off May 31, 2006 Address 520 Montgomery St to erect non-electric door / window single faced sign. Open the permit page
Apr 14, 2006	Expired or cancelled cancelled Jul 2006	520 Montgomery St	Signs Express Manufacturing	erect sign for non electric, wall, single faced. Details Permit 200604148984 Status cancelled Filed Apr 14, 2006 Permit issued Apr 14, 2006 Address 520 Montgomery St erect sign for non electric, wall, single faced. Open the permit page
Apr 14, 2006	Expired or cancelled cancelled Jul 2006	520 Montgomery St	Signs Express Manufacturing	erect non-electric door/window sign Details Permit 200604148988 Status cancelled Filed Apr 14, 2006 Permit issued Apr 14, 2006 Address 520 Montgomery St erect non-electric door/window sign Open the permit page

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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.