Permit Record

Alteration Residential

23 Hollis St, Cambridge, MA 02140

ClassificationBuilding: Alteration and AdditionResidential Alteration
Reliable value$152,290
ContractorAlewife →
Permit record
Parties
Contractor
Alewife
Applicant
Robert Liotine
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
196-146
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
42.3937, -71.1288
Geocode confidence
100%
Geocode source
Not in source
Issued
Jul 29, 2026
Applied
Jul 7, 2026
Work class
Residential
Description
Source description

Install new bathroom additon

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
Jul 30, 2026 · 09:55 UTC
Last seen
Aug 6, 2026 · 11:31 UTC
Last changed
Jul 30, 2026 · 09:55 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 196-146) · Sep 8, 2022 – Jul 29, 2026

  1. Jul 29, 2026This permitAlteration Residential · Issued$152,290Alewife
  2. Dec 19, 2023cambridge_aa_251853Alteration Residential · Finaled$7,000Boston Deleading Company
  3. Sep 8, 2022cambridge_aa_193678Alteration Residential · Issued$2,000Dipietro Home Energy Solutions Dba Revise

Full permit history at this parcel · as of Jul 31, 2026.

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Developer details
Permit #
cambridge_aa_1219769
Canonical ID
309:cambridge_aa_1219769
Source permit ID
cambridge_aa_1219769
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