Permit Record

Alteration Residential

144 W Sixth St, Boston, MA 02127

ClassificationShort Form Bldg Permit - INSULResidential Alteration
Reliable value$3,471
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
William Delangis
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
600654010
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
42.3367, -71.0526
Geocode confidence
100%
Geocode source
Not in source
Issued
Nov 21, 2016
Applied
Not in source
Work class
Residential
Description
Source description

Insulation and weatherization

Status
Current status
issued
Source status
Open
Expired
May 21, 2017
Provenance
First seen by PermitCore
May 4, 2026 · 20:12 UTC
Last seen
Jun 25, 2026 · 00:06 UTC
Last changed
May 15, 2026 · 09:37 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

12 permits at this parcel (parcel 600654010) · May 17, 2012 – Jan 13, 2026

  1. Jan 13, 2026E1811191MEP Electrical · Issued$4,000
  2. Sep 5, 2024SF1634001Alteration Residential · Issued$2,000
  3. Sep 7, 2022G1378631MEP Plumbing · Issued$300
  4. Aug 17, 2022PL1378637MEP Plumbing · Finaled$300
  5. Jan 4, 2019PL912243MEP Plumbing · Issued
  6. Mar 29, 2018E814196MEP Electrical · Issued$7,000
  7. Mar 1, 2018G802525MEP Plumbing · Issued$500
  8. Feb 16, 2018PL802524MEP Plumbing · Issued$11,000
  9. Jan 24, 2018SF788028Alteration Residential · Issued$27,500
  10. Nov 21, 2016This permitAlteration Residential · Issued$3,471.55
  11. May 17, 2012E140913Solar PV · Issued$7,111
  12. May 17, 2012SF140910Solar PV · Issued$9,111

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

Developer details
Permit #
SF658990
Canonical ID
69:SF658990
Source permit ID
SF658990
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