Permit Record

Alteration Residential

20 GILMAN ST, SOMERVILLE MASSACHUSETTS 02145

ClassificationAlteration
Reliable value$1,445
ContractorEnvironmental Abatement
Permit record
Parties
Contractor
Environmental Abatement
Applicant
Environmental Abatement
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
Not in source
Parcel & enrichment
Parcel APN
092-J-00008-000000
Climate zone (IECC)
5A
Roof area (est.)
Not in source
HVAC tonnage (est.)
Not in source
Building type
Not in source
Geocode & dates
Coordinates
42.3845, -71.0900
Geocode confidence
100%
Geocode source
Not in source
Issued
2026-06-22
Applied
2026-05-27
Work class
Residential
Description
Source description

Insulation - basement rim joist, minimal

Status
Current status
issued
Source status
Issued
Expired
2026-12-22
Provenance
First seen (no changes since)
Jun 24, 2026 · 19:12 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

7 permits at this parcel (parcel 092-J-00008-000000) · 2016-03-07 – 2026-06-22

  1. 2026-06-22This permitAlteration Residential · Issued$1,445Environmental Abatement
  2. 2023-06-2911978182Alteration Residential · Issued$500Tesla Energy Operations
  3. 2022-07-0610293483Alteration Residential · Finaled$400,000DiPierro and Brown Construction
  4. 2022-06-0610290060Alteration Residential · Issued$499Tesla Energy Operations
  5. 2017-03-203539511Alteration Residential · Finaled$21,920Solar City
  6. 2016-03-292728375Alteration Residential · Issued$2,400PRIME DESIGN PROFESSIONAL CONTRACTORS
  7. 2016-03-072661297Alteration Residential · Finaled$63,000PRIME DESIGN PROFESSIONAL CONTRACTORS

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

Other permits by Environmental Abatement

Showing up to 12 most-recent permits by this contractor in the indexed window

No other permits by this contractor in the indexed window.
Developer details
display_permit_id
53341908
canonical_uid
310:53341908
source_permit_id
53341908
Browse Boston permits in the Market Explorer →Pull this permit via /v1/permits →