Permit Record

Alteration Residential

43 Cottage St, Cambridge, MA 02139

ClassificationAlteration
Reliable value$35,400
ContractorGreenEdge Builders
Permit record
Parties
Contractor
GreenEdge Builders
Applicant
Sean Murphy
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
105-13
Climate zone (IECC)
5A
Roof area (est.)
Not in source
HVAC tonnage (est.)
Not in source
Building type
R
Geocode & dates
Coordinates
42.3637, -71.1076
Geocode confidence
100%
Geocode source
Not in source
Issued
2026-06-04
Applied
2026-06-03
Work class
Residential
Description
Source description

Enclose a room to be used as an office by adding a door and a wall with glass panel

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
Jun 15, 2026 · 21:56 UTC
Last seen
Jul 2, 2026 · 11:40 UTC
Last changed
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

5 permits at this parcel (parcel 105-13) · 2020-11-03 – 2026-06-04

  1. 2026-06-04This permitAlteration Residential · Issued$35,400GreenEdge Builders
  2. 2024-02-29cambridge_aa_258221Alteration Residential · Finaled$13,500
  3. 2021-06-09cambridge_aa_123436Demolition · Finaled$100,000Opus Master Builders
  4. 2021-02-09cambridge_aa_106301Alteration Residential · Finaled$732,110OPUS MASTER BUILDERS
  5. 2020-11-03cambridge_aa_98012Alteration Residential · Finaled$55,385OPUS MASTER BUILDERS

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

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Developer details
display_permit_id
cambridge_aa_1214347
canonical_uid
309:cambridge_aa_1214347
source_permit_id
cambridge_aa_1214347
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