Permit Record

Alteration Residential

20 Elm St, Unit 1, Cambridge, MA 02139

ClassificationBuilding: Alteration and AdditionMultifamily Alteration
Reliable value$6,000
Permit record
Parties
Contractor
Romain Strecker
Applicant
Romain Strecker
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
88-64
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
Multi Family (3 or more dwelling units)
Geocode & dates
Coordinates
42.3677, -71.0984
Geocode confidence
100%
Geocode source
Not in source
Issued
Dec 21, 2020
Applied
Dec 16, 2020
Work class
Residential
Description
Source description

Insulation work as part of the MASS Save program,

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
May 18, 2026 · 16:16 UTC
Last seen
Jul 2, 2026 · 11:40 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 88-64) · Dec 21, 2020Dec 21, 2020

  1. Dec 21, 2020This permitAlteration Residential · Issued$6,000Romain Strecker
  2. Dec 21, 2020cambridge_aa_102815Alteration Residential · Issued$10,000Romain Strecker

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

Other permits by Romain Strecker

Showing up to 12 most-recent permits by this contractor in the indexed window

No other permits by this contractor in the indexed window.
Developer details
Permit #
cambridge_aa_102812
Canonical ID
309:cambridge_aa_102812
Source permit ID
cambridge_aa_102812
Browse Boston permits in the Market Explorer →Pull this permit via /v1/permits →