Permit Record

Alteration Commercial

75 Ames St, Cambridge, MA 02142

ClassificationBuilding: Alteration and AdditionCommercial Alteration
Reliable value$400,022
ContractorG Greene
Permit record
Parties
Contractor
G Greene
Applicant
Seth Jablonki
Owner
Not in source
Architect
ANTHONY D PAPROCKI
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
Floor area
265,000
Parcel & enrichment
Parcel APN
43-76
Climate zone (IECC)
5A
Roof area (est.)
Not in source
HVAC tonnage (est.)
Not in source
Building type
B
Geocode & dates
Coordinates
42.3635, -71.0880
Geocode confidence
100%
Geocode source
Not in source
Issued
2026-06-16
Applied
2026-05-19
Work class
Commercial
Description
Source description

This project consists of a renovation of existing laboratories on the 9th floor. Work includes adjustments to existing mechanical systems, ceiling and casework.

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
Jun 22, 2026 · 14:49 UTC
Last seen
Jul 2, 2026 · 11:40 UTC
Last changed
Jun 22, 2026 · 14:49 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

16 permits at this parcel (parcel 43-76) · 2018-08-09 – 2026-06-16

  1. 2026-06-16This permitAlteration Commercial · Issued$400,022G Greene
  2. 2026-06-12cambridge_aa_1191959Demolition · Issued$86,700G Greene Construction
  3. 2026-02-25cambridge_aa_1197578Alteration Commercial · Issued$93,482G Greene Construction
  4. 2026-01-22cambridge_aa_1190316Alteration Commercial · Issued$80,000J. Lee
  5. 2022-12-05cambridge_aa_194354Alteration Commercial · Issued$8,350,829Structure Tone
  6. 2022-05-04cambridge_aa_169521Alteration Commercial · Issued$4,468,460Structure Tone Building Group
  7. 2022-04-12cambridge_aa_169641Alteration Commercial · Issued$525,014Structure Tone
  8. 2021-11-08cambridge_aa_146888Alteration Commercial · Issued$342,092Structure Tone
  9. 2021-04-01cambridge_aa_112512Alteration Commercial · Issued$6,648,740Structure Tone
  10. 2020-10-14cambridge_aa_94568Alteration Commercial · Issued$627,803Siena Construction Corporation
  11. 2020-09-24cambridge_aa_88785Alteration Commercial · Issued$30,000SAI Communications
  12. 2020-08-19cambridge_aa_70266Alteration Commercial · Issued$3,713,547DPR Construction
  13. 2019-09-24cambridge_aa_55316Alteration Commercial · Issued$708,717Siena Construction Corporation
  14. 2019-06-25cambridge_aa_48974Alteration Commercial · Issued$1,837,535Siena Construction
  15. 2019-04-30cambridge_aa_44978Alteration Commercial · Issued$99,611Elaine Construction Company
  16. 2018-08-09cambridge_aa_18559Alteration Commercial · Issued$203,571Siena Construction Corporation

Full permit history at this parcel · as of 2026-06-28.

Other permits by G Greene

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
display_permit_id
cambridge_aa_1212207
canonical_uid
309:cambridge_aa_1212207
source_permit_id
cambridge_aa_1212207
Browse Boston permits in the Market Explorer →Pull this permit via /v1/permits →