Contractor Profile
J. Calnan & Associates
J. Calnan & Associates is a specialist commercial alteration contractor in Boston — all 42 of its segment-eligible permits fall in commercial alteration. Its permit record in Boston spans 2018–2026. Reliable permit valuations total ≈$66.8M (across the 100% of filings with a valuation we can stand behind). Filing activity is up 100% over the last 90 days versus the prior 90 — a market heating up.
First permit: Oct 3, 2018 (2,908d ago)Latest permit: Jul 1, 2026 (80d ago)
The sales record
- Market
- Boston
- Active
- 2018–2026 · 8 yrs
- Licence IDs on their permits
- —
- Reliable value
- $66.8M
- Coverage
- 100%
- Reliable filings
- 42
- Rank in Boston
- #119
- Permits (all-time, all segments)
- 42
- Filings 90d
- 2
- Filings 30d
- 0
- Latest permit
- Jul 1, 2026
Typical project size$603Ktypically $206K–$1.4M across 42 valued permits
Where they work
Primarily Commercial Alteration — 100% of 42 segment-classified permits
Firmographics
License & registration IDs on fileNot in our data — we don’t hold licensing-board registries, and this city’s permit records carry no licence number. This is a gap in our coverage, not a statement about this firm’s licensure.
Direct contactNot in our data — we don’t fabricate firmographics.
Monthly activity
Mar ’250–2 permits/moJul ’26
permits per month permit value
Service area
Typical service area ~3 mi around Cambridge
The p90 footprint of where J. Calnan & Associates has pulled permits in Boston — drawn from all 42 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- Cambridge42
Recent permitsLargest recent$12.4M· 58 Charles St, Cambridge, MA 02141
Showing 20 of 42 permits by J. Calnan & Associates in the indexed window · most recent first
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- Jul 1, 2026Commercial Alteration60 Acorn Park Dr, Cambridge, MA 02140Alteration$900Kapplied Jun 17, 2026
- Jun 22, 2026Commercial Alteration58 Charles St, Cambridge, MA 02141Alteration$607Kapplied May 18, 2026
- Jun 3, 2026Commercial Alteration60 Acorn Park Dr, Cambridge, MA 02140Alteration$10.7Mapplied Mar 27, 2026
- Aug 18, 2025Commercial Alteration201 Broadway, Cambridge, MA 02139Alteration$600Kapplied Jul 1, 2025
- Mar 24, 2025Commercial Alteration1 Main St, Cambridge, MA 02142Alteration$752Kapplied Mar 6, 2025
- Aug 28, 2024Commercial Alteration1 Main St, Cambridge, MA 02142Alteration$279Kapplied Aug 19, 2024
- Jun 27, 2024Commercial Alteration222 Jacobs St, Cambridge, MA 02141Alteration$735Kapplied Jun 4, 2024
- Apr 4, 2024Commercial Alteration430 Rindge Ave, Cambridge, MA 02140Alteration$1.0Mapplied Mar 13, 2024
- Sep 7, 2023Commercial Alteration145 Broadway, Cambridge, MA 02142Alteration$7.9Mapplied May 31, 2023
- Aug 11, 2023Commercial Alteration99 Erie St, Cambridge, MA 02139Alteration$2.5Mapplied Jun 28, 2023
- Aug 7, 2023Commercial Alteration99 Erie St, Cambridge, MA 02139Alteration$2.9Mapplied Jun 28, 2023
- Jul 25, 2023Commercial Alteration99 Erie St, Cambridge, MA 02139Alteration$5.7Mapplied Jun 28, 2023
- Jul 20, 2023Commercial Alteration167 Sidney St, Cambridge, MA 02139Alteration$1.2Mapplied Jun 28, 2023
- Apr 19, 2023Commercial Alteration58 Charles St, Cambridge, MA 02141Alteration$12.4Mapplied Mar 7, 2023
- Mar 9, 2023Commercial Alteration44 Brattle St, Cambridge, MA 02138Alteration$42Kapplied Feb 21, 2023
- Mar 9, 2023Commercial Alteration44 Brattle St, Cambridge, MA 02138Alteration$238Kapplied Jan 31, 2023
- Feb 28, 2023Commercial Alteration145 Broadway, Cambridge, MA 02142Alteration$144Kapplied Feb 7, 2023
- Jul 29, 2021Commercial Alteration145 Broadway, Cambridge, MA 02142Alteration$327Kapplied Jun 28, 2021
- Mar 23, 2021Commercial Alteration955 Massachusetts Ave, Cambridge, MA 02139Alteration$1.7Mapplied Dec 28, 2020
- Mar 4, 2021Commercial Alteration822 Somerville Ave, Cambridge, MA 02140Alteration$175Kapplied Jan 25, 2021
Jul 1, 2026 applied Jun 17, 2026 | 60 Acorn Park Dr, Cambridge, MA 02140 | Commercial Alteration | $900K |
Jun 22, 2026 applied May 18, 2026 | 58 Charles St, Cambridge, MA 02141 | Commercial Alteration | $607K |
Jun 3, 2026 applied Mar 27, 2026 | 60 Acorn Park Dr, Cambridge, MA 02140 | Commercial Alteration | $10.7M |
Aug 18, 2025 applied Jul 1, 2025 | 201 Broadway, Cambridge, MA 02139 | Commercial Alteration | $600K |
Mar 24, 2025 applied Mar 6, 2025 | 1 Main St, Cambridge, MA 02142 | Commercial Alteration | $752K |
Aug 28, 2024 applied Aug 19, 2024 | 1 Main St, Cambridge, MA 02142 | Commercial Alteration | $279K |
Jun 27, 2024 applied Jun 4, 2024 | 222 Jacobs St, Cambridge, MA 02141 | Commercial Alteration | $735K |
Apr 4, 2024 applied Mar 13, 2024 | 430 Rindge Ave, Cambridge, MA 02140 | Commercial Alteration | $1.0M |
Sep 7, 2023 applied May 31, 2023 | 145 Broadway, Cambridge, MA 02142 | Commercial Alteration | $7.9M |
Aug 11, 2023 applied Jun 28, 2023 | 99 Erie St, Cambridge, MA 02139 | Commercial Alteration | $2.5M |
Aug 7, 2023 applied Jun 28, 2023 | 99 Erie St, Cambridge, MA 02139 | Commercial Alteration | $2.9M |
Jul 25, 2023 applied Jun 28, 2023 | 99 Erie St, Cambridge, MA 02139 | Commercial Alteration | $5.7M |
Jul 20, 2023 applied Jun 28, 2023 | 167 Sidney St, Cambridge, MA 02139 | Commercial Alteration | $1.2M |
Apr 19, 2023 applied Mar 7, 2023 | 58 Charles St, Cambridge, MA 02141 | Commercial Alteration | $12.4M |
Mar 9, 2023 applied Feb 21, 2023 | 44 Brattle St, Cambridge, MA 02138 | Commercial Alteration | $42K |
Mar 9, 2023 applied Jan 31, 2023 | 44 Brattle St, Cambridge, MA 02138 | Commercial Alteration | $238K |
Feb 28, 2023 applied Feb 7, 2023 | 145 Broadway, Cambridge, MA 02142 | Commercial Alteration | $144K |
Jul 29, 2021 applied Jun 28, 2021 | 145 Broadway, Cambridge, MA 02142 | Commercial Alteration | $327K |
Mar 23, 2021 applied Dec 28, 2020 | 955 Massachusetts Ave, Cambridge, MA 02139 | Commercial Alteration | $1.7M |
Mar 4, 2021 applied Jan 25, 2021 | 822 Somerville Ave, Cambridge, MA 02140 | Commercial Alteration | $175K |
Sites J. Calnan & Associates returns to2 in Boston
Addresses where J. Calnan & Associates has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.
Other top Commercial Alteration contractors in Boston
- Wise Construction196 commercial alteration
- Siena Construction Corporation166 commercial alteration
- The Richmond Group84 commercial alteration
- Pidc Construction69 commercial alteration
- Gloucester Builders68 commercial alteration
- Berkeley Building Company68 commercial alteration
Put J. Calnan & Associates on your call list.
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