Block 5678, lot 027

420 Cortland Ave

City’s use: Commercial Misc
Built: 2011
Stories: 2
Units: 3
Rooms: 3 bathrooms
Building: 2,856 sq ft
Lot: 2,809 sq ft
Zoning: NC2
Construction type: NA

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
Mar 13, 2026	Completed final sign-off Apr 2026	420 Cortland Av	Cookline Construction Inc	ti ground fl. convert from retail to retail & art studio. (n) 2 hour wall to separate retail from back of house ceramics studio. Details Permit 202603137569 Status complete Filed Mar 13, 2026 Permit issued Apr 6, 2026 Final sign-off Apr 30, 2026 Declared cost $7,002 Address 420 Cortland Av ti ground fl. convert from retail to retail & art studio. (n) 2 hour wall to separate retail from back of house ceramics studio. Open the permit page	$7,002
Jan 10, 2023	Never finaled issued Jan 2023, no final	420 Cortland Av		install roll away security shutters on two front windows and front door at ground floor level retail space. shutters are openable from inside. Details Permit 202301109922 Status issued Filed Jan 10, 2023 Permit issued Jan 19, 2023 Declared cost $4,137 Address 420 Cortland Av install roll away security shutters on two front windows and front door at ground floor level retail space. shutters are openable from inside. Open the permit page	$4,137
Mar 18, 2015	Completed final sign-off Apr 2015	420 Cortland Av	Blackline Construction	interior renovation at basement level provides new opening to connect basement level with main level. no exterior work. no electrical work. Details Permit 201503181229 Status complete Filed Mar 18, 2015 Permit issued Mar 25, 2015 Final sign-off Apr 16, 2015 Declared cost $3,000 Address 420 Cortland Av interior renovation at basement level provides new opening to connect basement level with main level. no exterior work. no electrical work. Open the permit page	$3,000
Aug 29, 2011	Completed final sign-off Sep 2011	420 Cortland Av		add widow at courtyard / basement level commercial unit (front building) Details Permit 201108293498 Status complete Filed Aug 29, 2011 Permit issued Aug 29, 2011 Final sign-off Sep 22, 2011 Declared cost $1,000 Address 420 Cortland Av add widow at courtyard / basement level commercial unit (front building) Open the permit page	$1,000
Jul 7, 2011	Never finaled issued Jul 2011, no final	422 Cortland Av		add additional addresses for units. pa# 2010/12/15/6801. 422-a upper unit & 422-b lower unit. Details Permit M271869 Status issued Filed Jul 7, 2011 Permit issued Jul 7, 2011 Address 422 Cortland Av add additional addresses for units. pa# 2010/12/15/6801. 422-a upper unit & 422-b lower unit. Open the permit page
Jun 2, 2011	Never finaled issued Jun 2011, no final	420 Cortland Av		new units. residential unit "a". lower commercial unit "b". Details Permit M266046 Status issued Filed Jun 2, 2011 Permit issued Jun 2, 2011 Address 420 Cortland Av new units. residential unit "a". lower commercial unit "b". Open the permit page
May 16, 2011	Never finaled issued May 2011, no final	420 Cortland Av		street space and mta Details Permit M261747 Status issued Filed May 16, 2011 Permit issued May 16, 2011 Address 420 Cortland Av street space and mta Open the permit page
Mar 22, 2011	Expired or cancelled expired May 2013	422 Cortland Av		revision to appl #201012156801: apply new vertical wood siding to entir eexterior of existing bldg to match existing, except at interior yard which will be horizontal. Details Permit 201103222588 Status expired Filed Mar 22, 2011 Permit issued Mar 22, 2011 Declared cost $5,000 Address 422 Cortland Av revision to appl #201012156801: apply new vertical wood siding to entir eexterior of existing bldg to match existing, except at interior yard which will be horizontal. Open the permit page	$5,000
Mar 15, 2011	Completed final sign-off Jul 2011	422 Cortland Av	J P Builders Inc	rebuild extg required egress stair of rear bldg at new location. Details Permit 201103152069 Status complete Filed Mar 15, 2011 Permit issued Mar 15, 2011 Final sign-off Jul 13, 2011 Declared cost $6,500 Address 422 Cortland Av rebuild extg required egress stair of rear bldg at new location. Open the permit page	$6,500
Feb 8, 2011	Never finaled issued Feb 2011, no final	420 Cortland Av		street space permit. Details Permit M240306 Status issued Filed Feb 8, 2011 Permit issued Feb 8, 2011 Address 420 Cortland Av street space permit. Open the permit page
Dec 15, 2010	Completed final sign-off Jul 2011	422 Cortland Av		replacing all windows & doors in kind, replacing bathroom & kitchen fixtures. (e) gas & electric meters to be split from 1 to 2. no change to building envelope Details Permit 201012156801 Status complete Filed Dec 15, 2010 Permit issued Dec 29, 2010 Final sign-off Jul 13, 2011 Declared cost $50,000 Address 422 Cortland Av replacing all windows & doors in kind, replacing bathroom & kitchen fixtures. (e) gas & electric meters to be split from 1 to 2. no change to building envelope Open the permit page	$50,000
Sep 30, 2010	Completed final sign-off May 2011	420 Cortland Av	J P Builders Inc	revision to pa# 2007-0627-5288-alteration/field revisions for permit-demo of water damaged walls at basement level to be reconstructed as specified in plans Details Permit 201009301984 Status complete Filed Sep 30, 2010 Permit issued Sep 30, 2010 Final sign-off May 10, 2011 Declared cost $3,850 Address 420 Cortland Av revision to pa# 2007-0627-5288-alteration/field revisions for permit-demo of water damaged walls at basement level to be reconstructed as specified in plans Open the permit page	$3,850
Jun 27, 2007	Completed final sign-off May 2011	420 Cortland Av	J P Builders Inc, Gorman Pipeline Inc	change of use from residential only to mixed residential & commerical. additions of 3rd floor to the (e) two floor building, remodeling of interior wall, replacing doors & windows, maintaining street facade, no change to (e) two-unit residential building at rear of lot. Details Permit 200706275288 Status complete Filed Jun 27, 2007 Permit issued Aug 11, 2010 Final sign-off May 6, 2011 Declared cost $250,000 Address 420 Cortland Av change of use from residential only to mixed residential & commerical. additions of 3rd floor to the (e) two floor building, remodeling of interior wall, replacing doors & windows, maintaining street facade, no change to (e) two-unit residential building at rear of lot. Open the permit page	$250,000
Mar 7, 2003	Never finaled issued Mar 2003, no final	422 Cortland Av		street space Details Permit M23091 Status issued Filed Mar 7, 2003 Permit issued Mar 7, 2003 Address 422 Cortland Av street space Open the permit page
Nov 14, 2002	Never finaled issued Nov 2002, no final	420 Cortland Av		sidewalk repair Details Permit M22238 Status issued Filed Nov 14, 2002 Permit issued Nov 14, 2002 Address 420 Cortland Av sidewalk repair Open the permit page

Who worked here

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

Contractors: J P Builders Inc (3), Blackline Construction, Cookline Construction Inc, Gorman Pipeline Inc
Architects: Elaine Uang (2), Tom Mcelroy (2), Daniel Blau Spiegel
Engineers: Mazen Tawasha, Roger Makishima

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.