Permit Record

Residential

81 Ferrin St, Boston, MA 02129

ClassificationCertificate of Occupancy - ERECT
Reliable value$350,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
David Ross
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
202934010
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
Not in source
Building subtype
1-2FAM
Geocode & dates
Coordinates
42.3771, -71.0586
Geocode confidence
100%
Geocode source
Not in source
Issued
Sep 29, 2016
Applied
Not in source
Work class
Residential
Description
Source description

Single Family;Dwelling ERT412156 issued: 12/28/15

Status
Current status
finaled
Source status
Closed
Provenance
First seen by PermitCore
May 4, 2026 · 20:05 UTC
Last seen
Jun 24, 2026 · 23:05 UTC
Last changed
Jun 24, 2026 · 23:05 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

5 permits at this parcel (parcel 202934010) · Dec 28, 2015 – Sep 29, 2016

  1. Sep 29, 2016This permitOther · Finaled$350,000
  2. Mar 21, 2016E564718MEP Electrical · Finaled$8,000
  3. Mar 21, 2016ELV564720MEP Electrical · Finaled$300
  4. Mar 15, 2016PL554865MEP Plumbing · Issued$8,500
  5. Dec 28, 2015ERT412156New Construction Residential Sf · Finaled$350,000

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

Developer details
Permit #
COO639927
Canonical ID
69:COO639927
Source permit ID
COO639927
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