# Building permits at 45 Middlesex Ave, Somerville, MA

The biggest project within a quarter mile since May 1: a $25M alteration or repair at 188 Assembly Park, permitted Aug 18.

Eight permits on record here. The newest, May 8, 2025: Install low voltage wiring for puris fire alerting system CoS Project. Within a quarter mile, the city has issued 47 more permits (45 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| May 8, 2025 | Electrical | Install low voltage wiring for puris fire alerting system CoS Project, new fire station | $5,000 | [E25-000682](https://nearbypermits.com/somerville/permit/E25-000682/) |
| Dec 4, 2024 | Electrical | Install traffic signal conduit | $500 | [E24-001964](https://nearbypermits.com/somerville/permit/E24-001964/) |
| Nov 25, 2024 | Other | Install a vehicle exhaust removal system in the Fire Station | $25,000 | [SM24-000245](https://nearbypermits.com/somerville/permit/SM24-000245/) |
| May 20, 2024 | Plumbing | New assembly square city fire station | Not listed | [P24-000240](https://nearbypermits.com/somerville/permit/P24-000240/) |
| Apr 26, 2024 | Mechanical (HVAC) | HVAC Install for New Fire Station | $1,300,000 | [SM24-000080](https://nearbypermits.com/somerville/permit/SM24-000080/) |
| Apr 24, 2024 | Electrical | Automatic Temperature Controls - Low Voltage | $40,000 | [E24-000615](https://nearbypermits.com/somerville/permit/E24-000615/) |
| Mar 21, 2024 | Electrical | Fit-Up of New Assembly Fire House | $1,200,000 | [E24-000453](https://nearbypermits.com/somerville/permit/E24-000453/) |
| Mar 6, 2024 | New building | New Fire Station at Assembly | $4,000,000 | [B23-000981](https://nearbypermits.com/somerville/permit/B23-000981/) |

## Within ¼ mi since May 1, 2026

47 permits in the circle. From our copy of the city's data (last 24 months).

### Next door (under 250 ft), 14 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Plumbing | Installation of one new electric water heater in ceiling to feed the floor, including domestic water, recirculation, relief, drain, and associated piping connections. Installation of new tenant plumbing fixtures, including domestic water, sanitary, vent, and specialty waste piping as required. Scope | Not listed | [P26-000567](https://nearbypermits.com/somerville/permit/P26-000567/) |
| Sep 15, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Electrical | F&I of new power, lighting, fire alram, tel/data and security infrastructure on Level 3. New power panels and transformers for electric room. Level 3 - Building Permit Application #B26-000877 | $750,000 | [E26-001352](https://nearbypermits.com/somerville/permit/E26-001352/) |
| Sep 15, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Electrical | F&I of new power, lighting, fire alram, tel/data and security infrastructure on Level 11. New power panels and transfs for electric room & (1) ATS. | $895,000 | [E26-001351](https://nearbypermits.com/somerville/permit/E26-001351/) |
| Sep 15, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Electrical | F&I of new power, lighting, fire alram, tel/data and security infrastructure on Level 10. New power panels and transformers for electric room. Level 10 - Building Permit Application #B26-001128 | $900,000 | [E26-001350](https://nearbypermits.com/somerville/permit/E26-001350/) |
| Sep 15, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Electrical | F&I of new power, lighting, fire alarm, tel/data and security infrastructure on Level 12. New power panels and transformers for electric room. Level 12 - Building Permit Application #B26-001071 | $950,000 | [E26-001342](https://nearbypermits.com/somerville/permit/E26-001342/) |
| Sep 8, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Electrical | F&I of power feeders, (1) added section to existing switchboard, (3) new panels, (3) ATS's in Penthouse, (2) on Level 10 and (1) on Level 3. Enabling - Building Permit Application #B26-000709 | $600,000 | [E26-001088](https://nearbypermits.com/somerville/permit/E26-001088/) |
| Sep 2, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Plumbing | Installation of one new electric water heater each on floors 11 and 12, including domestic water, recirculation, relief, drain, and associated piping. Installation of new tenant plumbing features on all floors, including domestic water, sanitary, vent, and specialty waste piping as required. Scope i | Not listed | [P26-000525](https://nearbypermits.com/somerville/permit/P26-000525/) |
| Aug 18, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Alteration or repair | This project includes the fit-out and related work for the tenth floor of the building. The program for this floor is office, command centers (open office), and associated support spaces. No occupancy classifications are changing from the original base building. Level 10 | $13,488,390 | [B26-001128](https://nearbypermits.com/somerville/permit/B26-001128/) |
| Aug 18, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Alteration or repair | This project includes the fit-out and related work for the eleventh and twelfth floor of the building. The main program for the eleventh and twelfth floor is office, with associated support spaces. No occupancy classifications are changing from the original base building. Level 12 | $25,450,547 | [B26-001071](https://nearbypermits.com/somerville/permit/B26-001071/) |
| Aug 18, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Alteration or repair | This project includes the fit-out and related work for the third floor of the building. The main program for the third floor is vivarium, office, and labs with assocaited support spaces. A new elevator is being provided from the dedicated loading dock on the first floor up to the third floor. The ex | $17,234,642 | [B26-000877](https://nearbypermits.com/somerville/permit/B26-000877/) |
| Jul 22, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Alteration or repair | This project includes the base building enabling work to accommodate future tenant improvements to all 12 floors of the existing building. Interior fit-out for individual floors to be submitted under separate cover. Work includes selective demolition, mechanical, electrical and plumbing modification | $9,801,881 | [B26-000709](https://nearbypermits.com/somerville/permit/B26-000709/) |
| Jun 23, 2026 | [188 Assembly Park Dr](https://nearbypermits.com/somerville/address/188-assembly-park-dr/) | 180 ft E | Plumbing | tenant fit out for new core and shell building - other includes (5) eyewashes, (4) trench drains and (1) hose down station | Not listed | [P26-000356](https://nearbypermits.com/somerville/permit/P26-000356/) |
| Jun 23, 2026 | [188 Assembly Park Dr](https://nearbypermits.com/somerville/address/188-assembly-park-dr/) | 180 ft E | Plumbing | tenant fit out for new core and shell building | Not listed | [P26-000355](https://nearbypermits.com/somerville/permit/P26-000355/) |
| Jun 1, 2026 | [188 Assembly Park](https://nearbypermits.com/somerville/address/188-assembly-park/) | 180 ft E | Electrical | Electrical Demo permit | $2,000 | [E26-000761](https://nearbypermits.com/somerville/permit/E26-000761/) |

### This block (250 to 1,000 ft), 5 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [133 Middlesex Ave](https://nearbypermits.com/somerville/address/133-middlesex-ave/) | 950 ft N | Other | To Erect a 40x100 Temporary Tent on 10/5/26 Event on 10/6/26 Removed 10/8/26. Tent will have (2) 6' Exits w/illum. Exit Signs & Fire Extinguishers. | $7,645 | [B26-001545](https://nearbypermits.com/somerville/permit/B26-001545/) |
| Sep 28, 2026 | [133 Middlesex Ave](https://nearbypermits.com/somerville/address/133-middlesex-ave/) | 950 ft N | Other | Rooftop Unit Replacement @ 105 Middlesex Ave | $93,010 | [SM26-000185](https://nearbypermits.com/somerville/permit/SM26-000185/) |
| Jul 15, 2026 | [340 Grand Union Blvd](https://nearbypermits.com/somerville/address/340-grand-union-blvd/) | 580 ft SE | Electrical | Meter only install by Eversource. Work was originally completed and inspected, no meter was ever installed. New tenant in space needs meter. | $500 | [E26-001008](https://nearbypermits.com/somerville/permit/E26-001008/) |
| May 11, 2026 | [335 Harold Cohen St](https://nearbypermits.com/somerville/address/335-harold-cohen-st/) | 480 ft SE | Plumbing | Testing of Main Gas Line | Not listed | [G26-000236](https://nearbypermits.com/somerville/permit/G26-000236/) |
| May 5, 2026 | [335 Harold Cohen Dr](https://nearbypermits.com/somerville/address/335-harold-cohen-dr/) | 480 ft SE | Mechanical (HVAC) | 3 exiting split, Install a ductwork, exhaust venting, gills | $60,500 | [SM26-000028](https://nearbypermits.com/somerville/permit/SM26-000028/) |

### Farther (1,000 ft to ¼ mi), 28 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [301 Assembly Row](https://nearbypermits.com/somerville/address/301-assembly-row/) | 0.21 mi E | Other | To Erect a 30x130 Temporary Ten Tent on 10/2/26 Event on 10/6/26 Removed 10/8/26. Tent will have (4) 6' Exits w/illum. Exit Signs & Fire Extinguishers. | $7,500 | [B26-001550](https://nearbypermits.com/somerville/permit/B26-001550/) |
| Sep 28, 2026 | [449 Canal St](https://nearbypermits.com/somerville/address/449-canal-st/) | 0.22 mi NE | Electrical | BDA System Modification / Reconfiguration | $10,949 | [E26-001387](https://nearbypermits.com/somerville/permit/E26-001387/) |
| Sep 21, 2026 | [399 Revolution Dr](https://nearbypermits.com/somerville/address/399-revolution-dr/) | 0.21 mi E | Electrical | Low Voltage Access Control Wiring | $13,500 | [E26-001374](https://nearbypermits.com/somerville/permit/E26-001374/) |
| Sep 12, 2026 | [42 Minnesota Ave](https://nearbypermits.com/somerville/address/42-minnesota-ave/) | 0.19 mi SW | Alteration or repair | Remove and Replace decking on existing deck | $6,800 | [B26-001370](https://nearbypermits.com/somerville/permit/B26-001370/) |
| Sep 3, 2026 | [598 Assembly Row](https://nearbypermits.com/somerville/address/598-assembly-row/) | 0.22 mi NE | Electrical | replace 5 rtu's | $8,000 | [E26-001281](https://nearbypermits.com/somerville/permit/E26-001281/) |
| Aug 19, 2026 | [300 Artisan Way](https://nearbypermits.com/somerville/address/300-artisan-way/) | 0.23 mi NE | Plumbing | Replace about 40ft of cast iron, reported being back pitch | Not listed | [P26-000375](https://nearbypermits.com/somerville/permit/P26-000375/) |
| Aug 18, 2026 | [65 Pennsylvania Ave](https://nearbypermits.com/somerville/address/65-pennsylvania-ave/) | 0.23 mi S | Mechanical (HVAC) | HVAC Gas Furnace System Installation | $47,665 | [SM26-000097](https://nearbypermits.com/somerville/permit/SM26-000097/) |
| Aug 18, 2026 | [399 Revolution Dr](https://nearbypermits.com/somerville/address/399-revolution-dr/) | 0.21 mi E | Electrical | Install low voltage Cat6A data cabling for Goldman Lab 200 locations | $230,000 | [E26-001042](https://nearbypermits.com/somerville/permit/E26-001042/) |
| Aug 3, 2026 | [301 Assembly Row](https://nearbypermits.com/somerville/address/301-assembly-row/) | 0.21 mi E | Electrical | Remove (28) Speaker/Strobes on Balconies and box inside the unit with blank plates - Balconies being converted to Juliets. @ 485 Foley St | $4,809 | [E26-000913](https://nearbypermits.com/somerville/permit/E26-000913/) |
| Jul 27, 2026 | [399 Revolution Dr](https://nearbypermits.com/somerville/address/399-revolution-dr/) | 0.21 mi E | Mechanical (HVAC) | Demo Existing ductwork and HVAC Equipment. Install new equipment and associated ductwork | $100,000 | [SM26-000098](https://nearbypermits.com/somerville/permit/SM26-000098/) |
| Jul 21, 2026 | [25 Kensington Ave](https://nearbypermits.com/somerville/address/25-kensington-ave/) | 0.24 mi SW | Electrical | Bathroom remodel See E23-000645 service permit no final as of 9/24/26 | $2,500 | [E26-000910](https://nearbypermits.com/somerville/permit/E26-000910/) |
| Jul 20, 2026 | [399 Revolution Dr](https://nearbypermits.com/somerville/address/399-revolution-dr/) | 0.21 mi E | Electrical | Office/lab renovation on 3rd floor | $1,000 | [E26-001035](https://nearbypermits.com/somerville/permit/E26-001035/) |
| Jul 14, 2026 | [301 Assembly Row](https://nearbypermits.com/somerville/address/301-assembly-row/) | 0.21 mi E | Alteration or repair | Removal of 28 existing wood cantilevered balconies and installing new juliet railings. | $280,000 | [B26-000885](https://nearbypermits.com/somerville/permit/B26-000885/) |
| Jun 30, 2026 | [301 Assembly Row](https://nearbypermits.com/somerville/address/301-assembly-row/) | 0.21 mi E | Electrical | Remove 28 receptacles on outside decks to be removed | $2,000 | [E26-000919](https://nearbypermits.com/somerville/permit/E26-000919/) |
| Jun 26, 2026 | [25 Kensington Ave](https://nearbypermits.com/somerville/address/25-kensington-ave/) | 0.24 mi SW | Plumbing | Remodel: Toilet, Lav, and Shower in unit 3 | Not listed | [P26-000364](https://nearbypermits.com/somerville/permit/P26-000364/) |
| Jun 23, 2026 | [463 Assembly Row](https://nearbypermits.com/somerville/address/463-assembly-row/) | 0.22 mi NE | Electrical | Install sub panel to accommodate new kitchen circuits | $5,500 | [E26-000896](https://nearbypermits.com/somerville/permit/E26-000896/) |
| Jun 22, 2026 | [0 Mystic Ave](https://nearbypermits.com/somerville/address/0-mystic-ave/) | 0.23 mi NW | Electrical | Permanent Power for the1200A Feeder Replacement | $5,800 | [E26-000315](https://nearbypermits.com/somerville/permit/E26-000315/) |
| Jun 17, 2026 | [25 Kensington Ave](https://nearbypermits.com/somerville/address/25-kensington-ave/) | 0.24 mi SW | Alteration or repair | Bathroom remodeling including tiles, new toilet, tub and vanity. Includes all painting and finishing required. | $43,150 | [B26-000787](https://nearbypermits.com/somerville/permit/B26-000787/) |
| Jun 15, 2026 | [65 Pennsylvania Ave](https://nearbypermits.com/somerville/address/65-pennsylvania-ave/) | 0.23 mi S | Plumbing | 5 1/2 Bathrooms, 3 Kitchens, 3 Laundries, 3 Gas Water Heaters | Not listed | [P26-000345](https://nearbypermits.com/somerville/permit/P26-000345/) |
| Jun 15, 2026 | [463 Assembly Row](https://nearbypermits.com/somerville/address/463-assembly-row/) | 0.22 mi NE | Plumbing | plumbing work installing new fixtures and running pipe for water and removing drains | Not listed | [P26-000331](https://nearbypermits.com/somerville/permit/P26-000331/) |
| Jun 15, 2026 | [65 Pennsylvania Ave](https://nearbypermits.com/somerville/address/65-pennsylvania-ave/) | 0.23 mi S | Plumbing | 3 Stoves, 3 Furnaces, 3 Water Heater | Not listed | [G26-000294](https://nearbypermits.com/somerville/permit/G26-000294/) |
| Jun 12, 2026 | [463 Assembly Row](https://nearbypermits.com/somerville/address/463-assembly-row/) | 0.22 mi NE | Plumbing | Installing new gas fitting and piping | Not listed | [G26-000283](https://nearbypermits.com/somerville/permit/G26-000283/) |
| Jun 10, 2026 | [463 Assembly Row](https://nearbypermits.com/somerville/address/463-assembly-row/) | 0.22 mi NE | Electrical | POS & Hood Fan System | $4,000 | [E26-000829](https://nearbypermits.com/somerville/permit/E26-000829/) |
| Jun 8, 2026 | [463 Assembly Row](https://nearbypermits.com/somerville/address/463-assembly-row/) | 0.22 mi NE | Mechanical (HVAC) | Install commercial ventilation system,hood,fans, duct work | $102,000 | [SM26-000088](https://nearbypermits.com/somerville/permit/SM26-000088/) |
| Jun 4, 2026 | [463 Assembly Row](https://nearbypermits.com/somerville/address/463-assembly-row/) | 0.22 mi NE | Electrical | Relocate electrical for bar renovation WORK @ SALT & STONE Renovation & Repair from Fire Damage: Demo existing electrical as necessary and make safe, relocate existing circuits to provide power for table top receptacles Replace existing lighting as necessary due to fire damage, install new circuits  | $6,000 | [E26-000156](https://nearbypermits.com/somerville/permit/E26-000156/) |
| May 18, 2026 | [399 Revolution Dr](https://nearbypermits.com/somerville/address/399-revolution-dr/) | 0.21 mi E | Plumbing | The installation of two new sinks and associated sanitary waste/vent with point-of-use water heaters. The scope will also include the installation of a new medical gas system consisting of laboratory compressed air, laboratory vacuum and oxygen. | Not listed | [P26-000290](https://nearbypermits.com/somerville/permit/P26-000290/) |
| May 7, 2026 | [399 Revolution Dr](https://nearbypermits.com/somerville/address/399-revolution-dr/) | 0.21 mi E | Electrical | MGB Assembly Row Goldman Lab Reno. MISC Low Voltage HVAC Control Wiring. JG 264175 | $31,575 | [E26-000644](https://nearbypermits.com/somerville/permit/E26-000644/) |
| May 4, 2026 | [399 Revolution Dr](https://nearbypermits.com/somerville/address/399-revolution-dr/) | 0.21 mi E | Alteration or repair | Removal of existing workstations on the 3rd. Fitout space with new demountable partitions and associated MEPs. | $3,057,363 | [B26-000517](https://nearbypermits.com/somerville/permit/B26-000517/) |

## More on this street

Other addresses on Middlesex Ave with permits, nearest house number first:

- [74 Middlesex Ave](https://nearbypermits.com/somerville/address/74-middlesex-ave/): newest permit Oct 16, 2025
- [95 Middlesex Ave](https://nearbypermits.com/somerville/address/95-middlesex-ave/): newest permit Dec 10, 2025
- [99 Middlesex Ave](https://nearbypermits.com/somerville/address/99-middlesex-ave/): newest permit Jun 2, 2025
- [105 Middlesex Ave](https://nearbypermits.com/somerville/address/105-middlesex-ave/): newest permit Oct 21, 2025
- [133 Middlesex Ave](https://nearbypermits.com/somerville/address/133-middlesex-ave/): newest permit Oct 5, 2026
- [145 Middlesex Ave](https://nearbypermits.com/somerville/address/145-middlesex-ave/): newest permit Jun 30, 2025

---
Source: Somerville Inspectional Services Division permit data (https://data.somervillema.gov/d/nneb-s3f7), SomerStat, City of Somerville, ODbL 1.0 (https://opendatacommons.org/licenses/odbl/1-0/). Checked 2026-10-07 02:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Contains information from Applications for Permits and Licenses (SomerStat, City of Somerville), which is made available here under the Open Database License (ODbL). Database: https://data.somervillema.gov/d/nneb-s3f7 License: https://opendatacommons.org/licenses/odbl/1-0/

Map, all 8 permits at this address and 47 nearby: https://nearbypermits.com/somerville/address/45-middlesex-ave/