Permit Record

Alteration Residential

121 Addison St, Boston, MA 02128

ClassificationShort Form Bldg Permit - RAZEResidential Alteration
Reliable value$17,500
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
David Masse
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
100603000
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
42.3854, -71.0169
Geocode confidence
100%
Geocode source
Not in source
Issued
Jan 11, 2019
Applied
Not in source
Work class
Residential
Description
Source description

Raze existing structure.; Dig Safe Number 20185005509

Status
Current status
issued
Source status
Open
Expired
Jul 11, 2019
Provenance
First seen by PermitCore
May 4, 2026 · 20:12 UTC
Last seen
Jun 25, 2026 · 00:08 UTC
Last changed
May 15, 2026 · 09:38 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

8 permits at this parcel (parcel 100603000) · Feb 2, 2010 – Jan 11, 2019

  1. Jan 11, 2019This permitAlteration Residential · Issued$17,500
  2. Apr 30, 2014ALT300321Alteration Residential · Issued
  3. Aug 23, 2012SF176742Alteration Residential · Issued$700
  4. May 2, 2012ALT128041Alteration Residential · Issued$300
  5. Apr 11, 2012SF128070Alteration Residential · Issued$400
  6. Dec 28, 2011SF112100Alteration Residential · Issued$900
  7. Nov 3, 2010SF50049Alteration Residential · Issued
  8. Feb 2, 2010E13339MEP Electrical · Finaled$3,000

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

Developer details
Permit #
SF912342
Canonical ID
69:SF912342
Source permit ID
SF912342
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