Alteration Residential
21 Conway St, Boston, MA 02131
ClassificationShort Form Bldg Permit - OTHERResidential Alteration
Reliable value$18,187
ContractorNot in source
Permit record
Parties
- Contractor
- Not in source
- Applicant
- Ryan Perkins
- 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
- 2005241000
- 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
- 1-3FAM
Geocode & dates
- Coordinates
- 42.2887, -71.1292
- Geocode confidence
- 100%
- Geocode source
- Not in source
- Issued
- Aug 4, 2025
- Applied
- Not in source
- Work class
- Residential
Description
Source description
Installing ductless HVAC system.
Status
- Current status
- issued
- Source status
- Open
- Expired
- Feb 4, 2026
Provenance
- First seen by PermitCore
- May 4, 2026 · 20:09 UTC
- Last seen
- Jun 25, 2026 · 00:02 UTC
- Last changed
- May 15, 2026 · 09:35 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
- Aug 4, 2025This permitAlteration Residential · Issued$18,187
- Jun 25, 2025E1733376MEP Electrical · Issued$2,000
- Mar 12, 2025PL1698360MEP Plumbing · Issued$150
- Feb 12, 2025PL1690578MEP Plumbing · Issued$150
- Sep 16, 2023E1522867MEP Electrical · Issued$1,000
- Apr 7, 2023SF1451801Solar PV · Issued$12,000
- Mar 28, 2023E1451804Solar PV · Issued$12,000
- Jan 24, 2022G1288769MEP Plumbing · Finaled$9,200
- Jun 18, 2021SF1205707Roofing · Issued$25,625
- Feb 28, 2020SF1056735Alteration Residential · Issued$13,000
Full permit history at this parcel · as of Jul 8, 2026.
Developer details
- Permit #
- SF1733381
- Canonical ID
- 69:SF1733381
- Source permit ID
- SF1733381