Permit Record

Alteration Residential

66 Callender St, Unit 2, Cambridge, MA 02139

ClassificationBuilding: Alteration and AdditionResidential Alteration
Reliable value$4,445
Permit record
Parties
Applicant
Franklin Douglas
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
122-153
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
42.3655, -71.1132
Geocode confidence
100%
Geocode source
Not in source
Issued
Apr 12, 2021
Applied
Apr 9, 2021
Work class
Residential
Description
Source description

weatherization

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

3 permits at this parcel (parcel 122-153) · Apr 12, 2021Apr 12, 2021

  1. Apr 12, 2021This permitAlteration Residential · Issued$4,445Jones Boys Insulation
  2. Apr 12, 2021cambridge_aa_115345Alteration Residential · Issued$4,745Jones Boys Insulation
  3. Apr 12, 2021cambridge_aa_115340Alteration Residential · Issued$4,925Jones Boys Insulation

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

Other permits by Jones Boys Insulation

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Developer details
Permit #
cambridge_aa_115343
Canonical ID
309:cambridge_aa_115343
Source permit ID
cambridge_aa_115343
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