Permit Record

Alteration Residential

21 Thomas PK, Boston, MA 02127

ClassificationAlteration
Reliable value$77,430
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Reynaldo Cartagena
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
Floor area
Not in source
Parcel & enrichment
Parcel APN
701029000
Climate zone (IECC)
5A
Roof area (est.)
Not in source
HVAC tonnage (est.)
Not in source
Building type
Not in source
Geocode & dates
Coordinates
42.3337, -71.0461
Geocode confidence
100%
Geocode source
Not in source
Issued
2026-06-24
Applied
Not in source
Work class
Residential
Description
Source description

Basement renovation: Selective demo of damaged sheetrock/framing; new perimeter foundation drainage, sump pump, waterproofing; framing, insulation, sheetrock; update existing bathroom; epoxy floor coating; painting. No change to footprint, height, or egress. Update MEP. Work limited to Unit 1

Status
Current status
issued
Source status
Open
Expired
2026-12-24
Provenance
First seen (no changes since)
Jun 26, 2026 · 11:56 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

2 permits at this parcel (parcel 701029000) · 2010-10-07 – 2026-06-24

  1. 2026-06-24This permitAlteration Residential · Issued$77,430
  2. 2010-10-07PL46224MEP Plumbing · Finaled$4,000

Full permit history at this parcel · as of 2026-06-28.

Developer details
display_permit_id
SF1863821
canonical_uid
69:SF1863821
source_permit_id
SF1863821
Browse Boston permits in the Market Explorer →Pull this permit via /v1/permits →