Building permit intelligence · Boston, MA
51 Seaport Bl has 26 municipal building permits on file in Ward 6. The latest recorded activity was a lvolt permit dated Jul 6, 2026. Permits at this address represent $5MM–$25MM in total declared construction value. PropertyLabs also identified 1 mapped permit within 2 km of this address.
Low Voltage
Church ALT608493 issued: 8/25/16
Church COO for;Church (Base Bldg/Core &; Shell with Loft/Mezzanine) ERT442607 issued: 3/19/15 ;
Subdivide Parcels H2 (51 Seaport Blvd)(ERT442607) and H3 (55-57 Seaport Blvd)(ERT421701);lot area of 51 Seaport Blvd is 5,973 sf. Biff up fire wall to be a 2 hour wall per code.
Church Temporary Certificate for;the Base Bldg/Core &; Shell, with loft/mezzanine-Only.; TCO expires on 7/5/2017;pending completion of site work. ERT442607 issued: 3/19/15 ;
1 mapped permit within 2 km, shown on the intelligence map above.
7 other addresses on Seaport Bl with municipal permit records in Boston.
This address has 26 permit records in PropertyLabs' public history and is located in Ward 6. The city figures below provide context without changing the focus of this exact-address record.
City coverage counts address-linked rows and does not add overlapping canonical tables. Rolling windows are inclusive, use UTC boundaries, and end Aug 1, 2026.
PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 51 Seaport Bl is dated Jul 6, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 51 Seaport Bl in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Provide communications cabling to 8 VAV boxes and terminate controls.
Furnish and install 45- Tel/data locations with 2 cables each @ BGI Tenant Fit out @ 51 Seaport Blvd Boston, MA
2 Kitchenettes and point of use water heater
Create a new Chapel for Archdiocese of Boston at existing shell space - ref issued ERT442607
Relocate and/or add fire alarm devices for build out of existing church shell.
Install complete electrical system in existing church shell. Install new light fixtures, receptacles and lighting control panel.
Tenant fit-out of the 3rd & 4th floor
Tenant fit-out of 3rd & 4th floor
Installation of a drinking fountain and sacristy sinks
7 telecom devices total on Basement and first floor of 51-57 Seaport Blvd
3 Gas Lines running from ground level meters to Roof Top Units
Office/Retail Building
Church with Gas from meter to Roof top unit
Church with 2 half baths, electric water heaters, and storm drain piping
Furnish and install new digital addressable Fire Alarm System in Chapel
5000 sq ft New Chapel located @ 51 Seaport Boulevard, 400A 3 PHASE 120/208V Electrical Service. One story with Choir Loft
BUILDING A CHAPEL 200A 208V VOLT TEMPORARY SERVICE FOR TEMPORARY LIGHTING AND POWER DURING CONSTRUCTION
VOICE DATA WIRING FOR NEW 5000 SQ FT CHAPEL (NO SECURITY WIRING)
;Construct new one story church building (core and shell only) with loft/mezzanine. As per plans.
Erect 30x80 tent and 8x16x16" high platform on 11/20/14. Removal on 11/21/14.
11/21/2014 8am - 5pm - temp generator 45KW 100 feeder