Permit Record

Alteration Commercial

1033 Massachusetts Ave, Cambridge, MA 02138

ClassificationBuilding: Alteration and AdditionCommercial Alteration
Reliable value$646,404
ContractorJames J Welch & Co.
Permit record
Parties
Contractor
James J Welch & Co.
Applicant
James J. Welch & Company, Inc.
Owner
Not in source
Architect
Joseph Stromer
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
3,979
Parcel & enrichment
Parcel APN
134-59
Climate zone (IECC)
5A
Roof area (est.)
Not in source
HVAC tonnage (est.)
Not in source
Building type
B
Geocode & dates
Coordinates
42.3697, -71.1119
Geocode confidence
100%
Geocode source
Not in source
Issued
2026-05-28
Applied
2026-05-04
Work class
Commercial
Description
Source description

Existing conditions survey, design, construction documentation, and construction administration for a 4 or 5 classroom AoPS fit out in the 3,979 sqft commercial space. Design will work to incorporate client supplied design standards as well as create moments of interest specific to the Cambridge, MA location. This includes adding classrooms, bathrooms & a breakroom.

Status
Current status
issued
Source status
Active
Provenance
First seen (no changes since)
Jun 15, 2026 · 21:56 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

8 permits at this parcel (parcel 134-59) · 2019-08-23 – 2026-05-28

  1. 2026-05-28This permitAlteration Commercial · Issued$646,404James J Welch & Co.
  2. 2024-07-16cambridge_aa_275318Alteration Commercial · Issued$49,000hazem
  3. 2024-06-07cambridge_aa_271528Alteration Commercial · Issued$1,681,930Gloucester Builders
  4. 2024-03-18cambridge_aa_257174Demolition · Issued$3,525,000GenCon
  5. 2024-03-05cambridge_aa_258865Alteration Commercial · Issued$20,375Architectural Building & Restoration
  6. 2021-09-09cambridge_aa_142642Demolition · Finaled$288,706Siena Construction Corporation
  7. 2019-11-14cambridge_aa_60221Alteration Commercial · Issued$523,238Berkeley Building Company
  8. 2019-08-23cambridge_aa_54152Alteration Commercial · Finaled$660,386Siena Construction

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

Other permits by James J Welch & Co.

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Developer details
display_permit_id
cambridge_aa_1209554
canonical_uid
309:cambridge_aa_1209554
source_permit_id
cambridge_aa_1209554
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