Alteration Residential
25-27 Riverdale St, Boston, MA 02134
ClassificationLong Form/Alteration Permit - NROCCResidential Alteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
- Contractor
- Not in source
- Applicant
- Hong Chen
- 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
- 2201013000
- 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
- 42.3626, -71.1326
- Geocode confidence
- 100%
- Geocode source
- Not in source
- Issued
- Jul 7, 2026
- Applied
- Not in source
- Work class
- Residential
Description
Source description
Confirm occupancy of existing 2 family.;
Status
- Current status
- issued
- Source status
- Open
- Expired
- Jan 7, 2027
Provenance
- First seen (no changes since)
- Jul 11, 2026 · 09:44 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 5, 2026SF1882020Roofing · Issued$4,500
- Jul 29, 2026E1878537MEP Electrical · Issued$5,500
- Jul 27, 2026SF1875630Alteration Residential · Issued$14,436.75
- Jul 23, 2026E1875539MEP Electrical · Issued$4,812.25
- Jul 18, 2026PL1872998MEP Plumbing · Issued$3,000
- Jul 7, 2026SF1869878Alteration Residential · Issued$15,000
- Jul 7, 2026This permitAlteration Residential · Issued
- Nov 27, 2019SF1027463Roofing · Issued$7,000
- Mar 11, 2015ELV448951MEP Electrical · Issued$749
Full permit history at this parcel · as of Aug 9, 2026.
Developer details
- Permit #
- ALT1862840
- Canonical ID
- 69:ALT1862840
- Source permit ID
- ALT1862840