J. Calnan & Associates

Addition contractor in Cambridge, MA · Permits indexed since 2026-03-27
12
Total Permits
1
Last 90 Days
0
Last 30 Days
$1,052,968
Avg Project Value

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Permit History (17 of 34, after dedup)

Date Type Address Description Value
2026-06-17 Building: Alteration and Addition 60 Acorn Park Dr Interior renovations for existing office space into new office space $468,066
2025-07-01 Building: Alteration and Addition 201 Broadway This project will include tenant renovations to part of the 6th floor (6,180 SF)… $322,549
2025-03-06 Building: Alteration and Addition 1 Main St Tenant improvements within an existing demised tenant space as depicted on the p… $317,466
2024-08-19 Building: Alteration and Addition 1 Main St Installation of 3 additional conference rooms on the 1st floor. $17,659
2024-03-13 Building: Alteration and Addition 430 Rindge Ave Interior Tenant Fit-out of 3rd floor space for Just A Start (roughly 4,400 SF) $546,461
2023-05-31 Building: Alteration and Addition 145 Broadway THIS PROJECT IS A TENANT IMPROVEMENT OF 4 EXISTING FLOORS OF 23,342SQFT EACH. TH… $5,500,000
2023-02-07 Building: Alteration and Addition 145 Broadway Expansion of an existing MDF Room on floor 6. $71,951
2021-06-28 Building: Alteration and Addition 145 Broadway Renovations to the third floor security office area $177,493
2021-01-25 Building: Alteration and Addition 822 Somerville Ave Removal of one wall and whiteboxing of retail space for future tenant $135,195
2020-12-28 Building: Alteration and Addition 955 Massachusetts Ave Interior renovation of (1) full floor and (2) existing tenant suites, on floors … $1,027,482
2020-10-15 Building: Alteration and Addition 1030 Massachusetts Ave Cosmetic renovations to the building lobby and first floor common restrooms; dec… $87,563
2020-09-16 Building: Alteration and Addition 99 Erie St Interior fit out of the first floor of 99 Erie Street. The layout will be modifi… $651,710
2020-03-16 Building: Alteration and Addition 300 Technology Sq Demolition and build out of the 8th floor for new office spaces. $1,687,547
Building: Alteration and Addition 128 Sidney St Renovation of finishes at entrance lobby $114,344
Building: Alteration and Addition 120 Brookline St Interior Tenant Fitout including framing, electrical, plumbing, mechanical, fire… $1,015,558
Building: Alteration and Addition 125 Cambridgepark Dr Converting existing room into a Mother's room. $6,350
Building: Alteration and Addition 1100 Massachusetts Ave Interior tenant fit-out on 4th floor including partition walls for offices and b… $901,153

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