Residential
42 Mercer St, Boston, MA 02127
ClassificationCertificate of Occupancy - NROCC
Reliable value$250,000
ContractorNot in source
Permit record
Parties
- Contractor
- Not in source
- Applicant
- Andrew Litchfield
- 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
- 701286000
- 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
- 42.3321, -71.0488
- Geocode confidence
- 100%
- Geocode source
- Not in source
- Issued
- Oct 27, 2016
- Applied
- Not in source
- Work class
- Residential
Description
Source description
(2) family Dwelling alt 268728 issued 3/26/15, A544011 issued 10/6/16 ;
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
- Oct 27, 2016This permitOther · Finaled$250,000
- Oct 6, 2016A544011Alteration Residential · Issued
- Jul 31, 2015EFA501247MEP Electrical · Issued$500
- Jul 31, 2015ELV501251MEP Electrical · Issued$500
- Jul 29, 2015E500209MEP Electrical · Finaled$2,500
- Jul 29, 2015E497720MEP Electrical · Issued$13,000
- May 20, 2015PL474640MEP Plumbing · Finaled$15,000
- Mar 26, 2015ALT268728Alteration Residential · Finaled$250,000
Full permit history at this parcel · as of Jul 8, 2026.
Developer details
- Permit #
- COO646319
- Canonical ID
- 69:COO646319
- Source permit ID
- COO646319