Permit Record

Residential

175 Humboldt Av, Boston, MA 02121

ClassificationCertificate of Occupancy - CHGOCC
Reliable value$120,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Karl Coiscou
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
1203192000
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
42.3139, -71.0893
Geocode confidence
100%
Geocode source
Not in source
Issued
Dec 9, 2021
Applied
Not in source
Work class
Residential
Description
Source description

Two (2) Family DwellingALT1048954 issued 7/14/20, SF1050617 issued 2/7/20

Status
Current status
finaled
Source status
Closed
Provenance
First seen by PermitCore
May 4, 2026 · 20:05 UTC
Last seen
Jun 24, 2026 · 23:04 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

7 permits at this parcel (parcel 1203192000) · Sep 17, 2015 – Dec 9, 2021

  1. Dec 9, 2021This permitOther · Finaled$120,000
  2. Sep 14, 2020E1117038MEP Electrical · Finaled$20,000
  3. Sep 12, 2020G1115708MEP Plumbing · Issued$1,200
  4. Sep 12, 2020PL1115710MEP Plumbing · Issued$1,000
  5. Jul 14, 2020ALT1048954Alteration Residential · Issued$120,000
  6. Feb 7, 2020SF1050617Demolition · Issued$15,000
  7. Sep 17, 2015SF519492Roofing · Issued$18,600

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

Developer details
Permit #
COO1250346
Canonical ID
69:COO1250346
Source permit ID
COO1250346
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