Permit Record

Alteration Commercial

51 Brattle St, Cambridge, MA 02138

ClassificationBuilding: Alteration and AdditionCommercial Alteration
Reliable value$127,000
ContractorEricsson →
Permit record
Parties
Contractor
Ericsson
Applicant
Gerry Squires
Owner
Not in source
Architect
Marc R Chretien
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Units (residential)
Not in source
Units (commercial)
Not in source
Floor area
14,951 sq ft
Parcel & enrichment
Parcel APN
169-14
Climate zone (IECC)
5A
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
B
Building subtype
Commercial / Mixed Use
Geocode & dates
Coordinates
42.3745, -71.1214
Geocode confidence
100%
Geocode source
Not in source
Issued
Sep 29, 2023
Applied
Jul 31, 2023
Work class
Commercial
Description
Source description

T-Mobile to modify the existing communications facility at 51 Brattle Street

Status
Current status
finaled
Source status
Complete
Finaled
Sep 29, 2023
Provenance
First seen by PermitCore
May 18, 2026 · 16:17 UTC
Last seen
Aug 6, 2026 · 11:30 UTC
Last changed
May 18, 2026 · 16:17 UTC
Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

3 permits at this parcel (parcel 169-14) · Apr 19, 2019 – Sep 29, 2023

  1. Sep 29, 2023This permitAlteration Commercial · Finaled$127,000Ericsson
  2. May 26, 2021cambridge_aa_121033Alteration Commercial · Finaled$996,897Tg Gallagher
  3. Apr 19, 2019cambridge_aa_43946Alteration Residential · Issued$200,540Contracting Specialists

Full permit history at this parcel · as of Jul 8, 2026.

Other permits by Ericsson

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Developer details
Permit #
cambridge_aa_235387
Canonical ID
309:cambridge_aa_235387
Source permit ID
cambridge_aa_235387
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