Permit Record

Residential

437 Chelsea St, Boston, MA 02128

ClassificationCertificate of Occupancy - ERECT
Reliable value$500,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Yoaty Feliciano Guzman
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
2,000 sq ft
Parcel & enrichment
Parcel APN
100458000
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
1-4FAM
Geocode & dates
Coordinates
42.3811, -71.0255
Geocode confidence
100%
Geocode source
Not in source
Issued
Sep 27, 2024
Applied
Not in source
Work class
Residential
Description
Source description

Four Residential UnitsCertificate for SameERT1360834 Issued 9/27/2023

Status
Current status
finaled
Source status
Closed
Provenance
First seen by PermitCore
May 4, 2026 · 20:05 UTC
Last seen
Jun 24, 2026 · 23:05 UTC
Last changed
May 15, 2026 · 09:22 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 100458000) · Dec 30, 2010 – Sep 27, 2024

  1. Sep 27, 2024This permitOther · Finaled$500,000
  2. Mar 20, 2024E1578032MEP Electrical · Finaled$50,000
  3. Feb 14, 2024EFA1572013MEP Electrical · Issued$10,000
  4. Dec 5, 2023G1549749MEP Plumbing · Issued$20,000
  5. Dec 4, 2023PL1549748MEP Plumbing · Finaled$28,000
  6. Sep 27, 2023ERT1360834New Construction Residential Sf · Issued$500,000
  7. Jul 6, 2023SF1417995Demolition · Finaled$29,000
  8. Dec 30, 2010SF57287Alteration Residential · Issued$5,365

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

Developer details
Permit #
COO1650849
Canonical ID
69:COO1650849
Source permit ID
COO1650849
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