Residential
10-12 Ernst St, Boston, MA 02119
ClassificationCertificate of Occupancy - INTEXT
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
- Contractor
- Not in source
- Applicant
- Ken Calder
- 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
- 1101096000
- 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
- Multi
Geocode & dates
- Coordinates
- 42.3183, -71.0992
- Geocode confidence
- 100%
- Geocode source
- Not in source
- Issued
- Aug 24, 2022
- Applied
- Not in source
- Work class
- Residential
Description
Source description
(6) Residential UnitsAlt 1236537 issued 10/14/21
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 checks1 of 12 flagged
1 of 12 data-quality checks flagged on this permit. Detail below.
- Valuation is placeholder
valuation_usd_is_placeholdervaluation_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
- Aug 24, 2022This permitOther · Finaled$10
- Aug 11, 2022PL1377975MEP Plumbing · Issued$5,000
- Aug 11, 2022G1377983MEP Plumbing · Issued$1,000
- Jun 17, 2022EFA1346709MEP Electrical · Finaled$10,000
- Jun 17, 2022ELV1346694MEP Electrical · Issued$6,000
- Jun 17, 2022E1346688MEP Electrical · Finaled$25,000
- Oct 15, 2021ALT1236537Alteration Residential · Finaled$10
- Aug 28, 2018G872473MEP Plumbing · Finaled$500
- Apr 2, 2018E815022MEP Electrical · Issued$1,000
- Mar 29, 2018G811723MEP Plumbing · Finaled$500
- Jul 31, 2013G267010MEP Plumbing · Finaled$500
- Jul 22, 2010G34478MEP Plumbing · Finaled$500
Full permit history at this parcel · as of Jul 8, 2026.
Developer details
- Permit #
- COO1382462
- Canonical ID
- 69:COO1382462
- Source permit ID
- COO1382462