Permit Record

Demolition

51 Lexington Ave, Cambridge, MA 02138

ClassificationBuilding: Alteration and AdditionResidential Demolition
Reliable value$28,000
ContractorRocco
Permit record
Parties
Contractor
Rocco
Applicant
Rocco Mastrangelo
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
235-4
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
One or Two Family Dwelling
Geocode & dates
Coordinates
42.3776, -71.1400
Geocode confidence
100%
Geocode source
Not in source
Issued
Jun 24, 2025
Applied
May 6, 2025
Work class
Residential
Description
Source description

For roof deck area, area to the right of roof deck and small rear entry roof*-Remove existing rubber roof-Install 1/4" per foot tapered ISO and 1/2" cover board-Install TPO, white or gray in color-Copper edge metal-Install custom copper gutter and copper shelf  where there is existing copper shelf.  Not over small rear entry-Install 2 new 3" plain round copper downspouts

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
May 18, 2026 · 16:17 UTC
Last seen
Aug 6, 2026 · 11:31 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

2 permits at this parcel (parcel 235-4) · Jul 27, 2020 – Jun 24, 2025

  1. Jun 24, 2025This permitDemolition · Issued$28,000Rocco
  2. Jul 27, 2020cambridge_aa_82982Alteration Residential · Finaled$19,500Studio Fkia

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

Other permits by Rocco

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Developer details
Permit #
cambridge_aa_1163705
Canonical ID
309:cambridge_aa_1163705
Source permit ID
cambridge_aa_1163705
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