Permit Record

Alteration Residential

34 Prospect St, Boston, MA 02129

ClassificationLong Form/Alteration Permit - NROCCResidential Alteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
John John L. Tobin Esquire
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
202809000
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
42.3757, -71.0583
Geocode confidence
100%
Geocode source
Not in source
Issued
Aug 25, 2020
Applied
Not in source
Work class
Residential
Description
Source description

Legalize occupancy as a two family dwelling

Status
Current status
issued
Source status
Open
Expired
Feb 25, 2021
Provenance
First seen by PermitCore
May 4, 2026 · 20:05 UTC
Last seen
Jun 24, 2026 · 23:02 UTC
Last changed
May 15, 2026 · 09:21 UTC
Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.

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
Project timeline at this parcel

10 permits at this parcel (parcel 202809000) · Aug 25, 2020 – Jul 9, 2025

  1. Jul 9, 2025SF1721639Alteration Residential · Issued$43,692
  2. May 20, 2025SF1706553Alteration Residential · Issued$3,500
  3. Jul 20, 2022SF1360514Alteration Residential · Issued$3,000
  4. Jun 7, 2022E1324456MEP Electrical · Finaled$1,000
  5. Jan 13, 2022G1223116MEP Plumbing · Finaled$4,500
  6. Aug 10, 2021SF1222034Alteration Residential · Issued$4,385
  7. Jul 21, 2021PL1223114MEP Plumbing · Finaled$9,500
  8. Jun 25, 2021ALT1207770Alteration Residential · Finaled
  9. May 27, 2021SF1189927Demolition · Issued$80,000
  10. Aug 25, 2020This permitAlteration Residential · Issued

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

Developer details
Permit #
ALT1101989
Canonical ID
69:ALT1101989
Source permit ID
ALT1101989
Browse Boston permits in the Market Explorer →Pull this permit via /v1/permits →