Permit Record

Alteration Residential

3 Thingvalla Ave, Cambridge, MA 02138

ClassificationBuilding: Alteration and AdditionMultifamily Alteration
Reliable value$77,000
ContractorGSBUILD
Permit record
Parties
Contractor
GSBUILD
Applicant
gabriel dos santos
Owner
Not in source
Architect
Not in source
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
Floor area
3,000
Parcel & enrichment
Parcel APN
255-9
Climate zone (IECC)
5A
Roof area (est.)
Not in source
HVAC tonnage (est.)
Not in source
Building type
R
Geocode & dates
Coordinates
42.3764, -71.1522
Geocode confidence
100%
Geocode source
Not in source
Issued
2026-06-01
Applied
2026-05-29
Work class
Residential
Description
Source description

Renovate bathroom, Replace broken doors, relocate closet,Replace wooden deck railings, and rotted deck, Replace 2skylights, Install mini-splits for heat/AC

Status
Current status
issued
Source status
Active
Provenance
First seen (no changes since)
Jun 15, 2026 · 21:56 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

2 permits at this parcel (parcel 255-9) · 2021-02-09 – 2026-06-01

  1. 2026-06-01This permitAlteration Residential · Issued$77,000GSBUILD
  2. 2021-02-09cambridge_aa_102037Alteration Residential · Issued$17,500

Full permit history at this parcel · as of 2026-06-28.

Other permits by GSBUILD

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Developer details
display_permit_id
cambridge_aa_1213597
canonical_uid
309:cambridge_aa_1213597
source_permit_id
cambridge_aa_1213597
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