Permit Record

Residential

70 O St, Boston, MA 02127

ClassificationCertificate of Occupancy - CHGOCC
Reliable value$5,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
John Cox
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
2,040 sq ft
Parcel & enrichment
Parcel APN
603849000
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
1-3FAM
Geocode & dates
Coordinates
42.3362, -71.0291
Geocode confidence
100%
Geocode source
Not in source
Issued
Jan 20, 2015
Applied
Not in source
Work class
Residential
Description
Source description

Legal Occupancy:;;Three Family Dwelling Certificate of Occupancy for the 3 family dwelling ALT41079, issued: 3/27/14

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
May 15, 2026 · 09:22 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

6 permits at this parcel (parcel 603849000) · Aug 6, 2013Jan 20, 2015

  1. Jan 20, 2015This permitOther · Finaled$5,000
  2. Oct 2, 2014E413406MEP Electrical · Finaled$5,000
  3. May 20, 2014PL364411MEP Plumbing · Finaled$12,000
  4. May 20, 2014G364407MEP Plumbing · Finaled$12,000
  5. Mar 27, 2014ALT41079Alteration Residential · Finaled$5,000
  6. Aug 6, 2013E271078MEP Electrical · Finaled$1,000

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

Developer details
Permit #
COO437945
Canonical ID
69:COO437945
Source permit ID
COO437945
Browse Boston permits in the Market Explorer →Pull this permit via /v1/permits →