Permit Record

Alteration Residential

131 Safford St, Boston, MA 02136

ClassificationShort Form Bldg Permit - OTHERResidential Alteration
Reliable value$1,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Michael Guerrero
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
1807182000
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
42.2671, -71.1119
Geocode confidence
100%
Geocode source
Not in source
Issued
Sep 28, 2020
Applied
Not in source
Work class
Residential
Description
Source description

Building a 80 sf storage shed.;;Setbacks 4' from;lot line.;

Status
Current status
issued
Source status
Open
Expired
Mar 28, 2021
Provenance
First seen by PermitCore
May 4, 2026 · 20:08 UTC
Last seen
Jun 24, 2026 · 23:59 UTC
Last changed
May 15, 2026 · 09:33 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 1807182000) · Oct 9, 2018 – Sep 28, 2020

  1. Sep 28, 2020This permitAlteration Residential · Issued$1,000
  2. Aug 10, 2020SF1096673Alteration Residential · Issued$7,113.81
  3. Oct 24, 2018SF893021Alteration Residential · Issued$15,000
  4. Oct 9, 2018E888094MEP Electrical · Finaled$8,000
  5. Oct 9, 2018EFA888208MEP Electrical · Issued$1,500

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

Developer details
Permit #
SF1121858
Canonical ID
69:SF1121858
Source permit ID
SF1121858
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