Permit Record

Alteration Commercial

200 Sidney St, Cambridge, MA 02139

ClassificationBuilding: Alteration and AdditionCommercial Alteration
Reliable value$88,701
ContractorThe Richmond Group →
Permit record
Parties
Contractor
The Richmond Group
Applicant
Kelsey Lanoue
Owner
Not in source
Architect
David A Godfroy
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
196,000 sq ft
Parcel & enrichment
Parcel APN
66-153
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
B
Building subtype
Commercial / Mixed Use
Geocode & dates
Coordinates
42.3582, -71.1048
Geocode confidence
100%
Geocode source
Not in source
Issued
Aug 21, 2025
Applied
Aug 14, 2025
Work class
Commercial
Description
Source description

Relocate one wall to reconfigure the layout of two existing labs. Patch finishes as needed, and relocate sprinkler heads to provide adequate coverage in relation to new wall location. Electrical outlets to be reconfigured as well, with additional normal and standby power being added to provide the necessary requirements for new lab configuration.

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
May 18, 2026 · 16:17 UTC
Last seen
Aug 6, 2026 · 11:31 UTC
Last changed
May 18, 2026 · 16:17 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

13 permits at this parcel (parcel 66-153) · Dec 18, 2018 – Aug 21, 2025

  1. Aug 21, 2025This permitAlteration Commercial · Issued$88,701.75The Richmond Group
  2. Aug 18, 2025cambridge_aa_1178900Demolition · Issued$521,386Pj Spillane
  3. Mar 18, 2025cambridge_aa_1151672Alteration Commercial · Finaled$213,640Sterling Construction
  4. Jun 13, 2024cambridge_aa_271824Alteration Commercial · Issued$620,000Matthew Frechette
  5. Sep 25, 2023cambridge_aa_239893Alteration Commercial · Finaled$101,900Buildout Construction Corporation
  6. Aug 31, 2023cambridge_aa_234824Alteration Commercial · Finaled$620,862The Richmond Group
  7. Sep 12, 2022cambridge_aa_189539Alteration Commercial · Finaled$376,465
  8. Dec 17, 2021cambridge_aa_152543Alteration Commercial · Issued$192,000Buildout Construction Corporation
  9. Jun 8, 2021cambridge_aa_124922Alteration Commercial · Issued$10,000Buildout Construction
  10. Mar 2, 2021cambridge_aa_107869Alteration Commercial · Finaled$431,322Pidc Construction, LLC.
  11. Aug 8, 2019cambridge_aa_52811Alteration Commercial · Issued$66,550Eagle Building Services
  12. May 2, 2019cambridge_aa_45382Alteration Commercial · Finaled$486,525Siena Construction
  13. Dec 18, 2018cambridge_aa_27066Alteration Commercial · Finaled$112,687The Richmond Group

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

Other permits by The Richmond Group

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Developer details
Permit #
cambridge_aa_1179189
Canonical ID
309:cambridge_aa_1179189
Source permit ID
cambridge_aa_1179189
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