Permit Record

Alteration Residential

20 Whittier St, Cambridge, MA 02140

ClassificationBuilding: Alteration and AdditionMultifamily Alteration
Reliable value$562,500
ContractorPrecision Finish Boston
Permit record
Parties
Contractor
Precision Finish Boston
Applicant
John O'Neill
Owner
Not in source
Architect
Gregory Colling
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
201.5-4
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
Multi Family (3 or more dwelling units)
Geocode & dates
Coordinates
42.3872, -71.1267
Geocode confidence
100%
Geocode source
Not in source
Issued
Jun 14, 2023
Applied
Apr 25, 2023
Work class
Residential
Description
Source description

Renovation of existing basement (phase1) and partial first floor(phase2)

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

3 permits at this parcel (parcel 201.5-4) · Mar 1, 2022 – Jun 14, 2023

  1. Jun 14, 2023This permitAlteration Residential · Issued$562,500Precision Finish Boston
  2. Feb 28, 2023cambridge_aa_208802Alteration Residential · Issued$7,500Precision Finish Boston
  3. Mar 1, 2022cambridge_aa_164047Alteration Residential · Issued$22,507.69McLaughlin & Williams CO

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

Other permits by Precision Finish Boston

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Developer details
Permit #
cambridge_aa_219584
Canonical ID
309:cambridge_aa_219584
Source permit ID
cambridge_aa_219584
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