Permit Record

Alteration Residential

12 St Mary Rd, Cambridge, MA 02139

ClassificationBuilding: Alteration and AdditionResidential Alteration
Reliable value$4,296
Contractor5C Energy →
Permit record
Parties
Contractor
5C Energy
Applicant
Matthew Russell
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
Units (residential)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
109-36
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
R
Building subtype
One or Two Family Dwelling
Geocode & dates
Coordinates
42.3708, -71.1007
Geocode confidence
100%
Geocode source
Not in source
Issued
Nov 12, 2019
Applied
Nov 1, 2019
Work class
Residential
Description
Source description

Air Sealing, Weather Stripping, Door Sweep, Insulate Rim Joist, Door Thermal Barrier, Insulate Asbestos Sided Wall

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
May 18, 2026 · 16:16 UTC
Last seen
Aug 6, 2026 · 11:30 UTC
Last changed
May 18, 2026 · 16:16 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 109-36) · Nov 12, 2019 – Nov 12, 2019

  1. Nov 12, 2019This permitAlteration Residential · Issued$4,296.195C Energy
  2. Nov 12, 2019cambridge_aa_59615Alteration Residential · Issued$4,985.625C Energy

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

Other permits by 5C Energy

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Developer details
Permit #
cambridge_aa_59618
Canonical ID
309:cambridge_aa_59618
Source permit ID
cambridge_aa_59618
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