Siena Construction Corporation

Addition contractor in Cambridge, MA · Permits indexed since 2025-09-19
34
Total Permits
4
Last 90 Days
0
Last 30 Days
$434,202
Avg Project Value

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Permit History (29 of 68, after dedup)

Date Type Address Description Value
2026-07-01 Building: Alteration and Addition 455 Main St 5th floor renovation of fish suite/lab. $199,266
2026-06-08 Building: Alteration and Addition 290 Binney St Misc. MEP Upgrades in select areas on floors 3-14 & 17. No FA work. No FP reloca… -
2026-06-01 Building: Alteration and Addition 455 Main St 3rd floor renovation of select support rooms for future lab fitout $199,856
2026-05-11 Building: Alteration and Addition 30 Acorn Park Dr 6th floor Boardroom renovation project. Combine existing conference room and off… $110,450
2026-01-21 Building: Alteration and Addition 350 Massachusetts Ave Removing (2) Exterior decorative canopies. Sidewalk permit application #1196187 $4,120
2025-12-30 Building: Alteration and Addition 20 Sidney St Adding a convenience door from the 2nd floor tenant space into the parking garag… $35,375
2025-10-06 Building: Alteration and Addition 455 Main St 5th Floor Interior Lab Renovation- Jain Lab 5359 $53,500
2025-10-06 Building: Alteration and Addition 455 Main St 5th Floor Interior Lab Renovation- Jain Lab 539 $107,000
2025-09-19 Building: Alteration and Addition 245 First St 17th Floor Interior Demolition to prepare for future tenant fit-out. $148,460
Building: Alteration and Addition 35 Landsdowne St Upgrading the finishes in the Auditorium. Work includes changing out lighting fi… $324,927
Building: Alteration and Addition 150 Second St Lobby and partial first floor renovation. New flooring, paint, walls, selective … $932,275
Building: Alteration and Addition 150 Second St 2nd floor renovation to existing office space and elevator lobby. $80,000
Building: Alteration and Addition 784 Main St Job Connector: Full renovation of 1st floor Business space, partial renovation t… $1,457,518
Building: Alteration and Addition 20 Sidney St Tenant Fit-Out for Takeda Pharmaceuticals. Scope includes new finishes throughou… $5,606,672
Building: Alteration and Addition 35 Landsdowne St Upgrading the laboratory fixtures and equipment in rooms 3050, 3080, and 3092, w… $100,892
Building: Alteration and Addition 650 East Kendall St Minor alterations to existing lab and office spaces. Rerouting of existing proce… $173,530
Building: Alteration and Addition 75 Ames St 8th Lab Renovation. New finishes, new lab equipment. $300,700
Building: Alteration and Addition 350 Massachusetts Ave Build-out of a tenant space. New offices, new finishes, new kitchenette. Fire pr… $355,698
Building: Alteration and Addition 149 Sidney St Expansion of existing ACF through conversion of existing exercise room to animal… $49,977
Building: Alteration and Addition 255 Main St Relocating (1) Sprinkler head by 2' to accommodate the relocation of a demountab… $17,100
Building: Alteration and Addition 22 Windsor St Emergency Maintenance- Replacement of existing automatic front entry doors. No c… $134,713
Building: Alteration and Addition 1039 Massachusetts Ave Installation of new Fire Protection Sprinkler System in Basement and 1st floor t… $545,207
Building: Alteration and Addition 1010 Massachusetts Ave Decomission & remove the existing elevator, rails and machinery.  Remove hydraul… $330,827
Building: Alteration and Addition 237 Putnam Ave 1st and 2nd floor lab/ office renovation. Phase 1 only. $114,208
Building: Alteration and Addition 4 Brattle St This project is composed of finish upgrades to the existing first floor lobby. T… $1,965,000
Building: Alteration and Addition 784 Main St This is a sprinkler retrofit job. Sprinkler systems will be put in on the 4 floo… $254,455
Building: Alteration and Addition 610 Main St Interior tenant lab fit-out for KSQ Therapeutics. New lab equipment, new MEP's, … $112,871
Building: Alteration and Addition 1585 Massachusetts Ave Repairing and replacing and existing exterior stairway. No dimensional changes t… $138,777
Building: Alteration and Addition 35 Landsdowne St Renovations to the Microscopy Lab on the 3rd floor, which involves demo, ACT wor… $61,971

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