Permit Record

Alteration Residential

309 Lexington St, Boston, MA 02128

ClassificationShort Form Bldg Permit - INSULResidential Alteration
Reliable value$14,300
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Diego Magalhaes
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
100174000
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
42.3810, -71.0284
Geocode confidence
100%
Geocode source
Not in source
Issued
Jun 8, 2026
Applied
Not in source
Work class
Residential
Description
Source description

Installation of dense pack cellulose and air sealing for units 1,2,3 of this 3 family structure

Status
Current status
issued
Source status
Open
Expired
Dec 8, 2026
Provenance
First seen (no changes since)
Jun 25, 2026 · 00:08 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 100174000) · Jun 20, 2016 – Jun 8, 2026

  1. Jun 8, 2026This permitAlteration Residential · Issued$14,300
  2. Jul 23, 2020SF1095223Alteration Residential · Issued$2,650
  3. Apr 27, 2017G702781MEP Plumbing · Issued
  4. Sep 19, 2016PL638407MEP Plumbing · Finaled$3,500
  5. Sep 15, 2016E637318MEP Electrical · Finaled$4,500
  6. Jun 20, 2016SF602116Alteration Residential · Issued$38,825

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

Developer details
Permit #
SF1856062
Canonical ID
69:SF1856062
Source permit ID
SF1856062
Browse Boston permits in the Market Explorer →Pull this permit via /v1/permits →