Permit Record

Alteration Residential

84 Grozier Rd, Unit 1, Cambridge, MA 02138

ClassificationBuilding: Alteration and AdditionResidential Alteration
Reliable value$157,200
ContractorThomsen Construction
Permit record
Parties
Contractor
Thomsen Construction
Applicant
Carl Thomsen
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
247-199
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
R
Building subtype
One or Two Family Dwelling
Geocode & dates
Coordinates
42.3801, -71.1423
Geocode confidence
100%
Geocode source
Not in source
Issued
Sep 17, 2018
Applied
Sep 12, 2018
Work class
Residential
Description
Source description

Install residential 2 stop interior elevator lift. Install smoke detectors in the elevator shaft. Replace 120 sf of hardwood flooring. Add closet doors and misc interior painting.

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
May 18, 2026 · 16:16 UTC
Last seen
Aug 6, 2026 · 11:30 UTC
Last changed
May 18, 2026 · 16:16 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

2 permits at this parcel (parcel 247-199) · Aug 14, 2018 – Sep 17, 2018

  1. Sep 17, 2018This permitAlteration Residential · Issued$157,200Thomsen Construction
  2. Aug 14, 2018cambridge_aa_18772Alteration Residential · Issued$2,500Thomsen Construction

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

Other permits by Thomsen Construction

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Developer details
Permit #
cambridge_aa_20115
Canonical ID
309:cambridge_aa_20115
Source permit ID
cambridge_aa_20115
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