Permit Record

Demolition

950 Massachusetts Ave, Cambridge, MA 02139

ClassificationBuilding: Alteration and AdditionCommercial Demolition
Reliable value$357,000
ContractorBuilding Restoration Services
Permit record
Parties
Contractor
Building Restoration Services
Applicant
Guy Twamley
Owner
Not in source
Architect
Building Recon Services
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
41,300 sq ft
Parcel & enrichment
Parcel APN
120-40
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
42.3686, -71.1101
Geocode confidence
100%
Geocode source
Not in source
Issued
Apr 1, 2025
Applied
Mar 3, 2025
Work class
Commercial
Description
Source description

Perform masonry repairs at South exterior wall of first floor common area and loading dock. Install new storefront windows and entry doors at first and second floor common area terraces. Install new through wall flashing at loading dock and install a prefabricated aluminum ramp at loading dock.

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
May 18, 2026 · 16:17 UTC
Last seen
Aug 6, 2026 · 11:31 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

5 permits at this parcel (parcel 120-40) · Jan 3, 2019 – Apr 1, 2025

  1. Apr 1, 2025This permitDemolition · Issued$357,000Building Restoration Services
  2. Sep 21, 2020cambridge_aa_86469Alteration Residential · Finaled$134,435Andrew
  3. Feb 11, 2020cambridge_aa_66342Demolition · Issued$144,480M J Ambrose Ent
  4. Aug 16, 2019cambridge_aa_52417Alteration Residential · Issued$18,100Newpro
  5. Jan 3, 2019cambridge_aa_29748Alteration Residential · Issued$45,000Granados Handyman

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

Other permits by Building Restoration Services

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Developer details
Permit #
cambridge_aa_1154248
Canonical ID
309:cambridge_aa_1154248
Source permit ID
cambridge_aa_1154248
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