Permit Record

Alteration Residential

56 Walden St, Cambridge, MA 02140

ClassificationBuilding: Alteration and AdditionResidential Alteration
Reliable value$151,489
ContractorJohn Degnan Contracting
Permit record
Parties
Contractor
John Degnan Contracting
Applicant
John Degnan
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
201-1
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
42.3892, -71.1245
Geocode confidence
100%
Geocode source
Not in source
Issued
Sep 18, 2023
Applied
Sep 1, 2023
Work class
Residential
Description
Source description

add a 6' x6' elevator addition on rear of building as submitted in a zoning variance

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
May 18, 2026 · 16:17 UTC
Last seen
Aug 6, 2026 · 11:30 UTC
Last changed
May 18, 2026 · 16:17 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

4 permits at this parcel (parcel 201-1) · Jan 31, 2020 – Sep 18, 2023

  1. Sep 18, 2023This permitAlteration Residential · Issued$151,489John Degnan Contracting
  2. May 19, 2021cambridge_nc_109498New Construction Residential Sf · Finaled$415,501John F Degnan
  3. Dec 10, 2020cambridge_aa_88085Alteration Residential · Finaled$985,001John Degnan Contracting
  4. Jan 31, 2020cambridge_aa_64480Alteration Residential · Issued$18,000Newmarket Properties

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

Other permits by John Degnan Contracting

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Developer details
Permit #
cambridge_aa_241139
Canonical ID
309:cambridge_aa_241139
Source permit ID
cambridge_aa_241139
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