Building permit intelligence · Boston, MA
240 Longwood Av has 154 municipal building permits on file in Ward 4. The latest recorded activity was a fa permit dated Jun 11, 2026. Permits at this address represent $25MM+ in total declared construction value. PropertyLabs also identified 16 mapped permits within 500 m of this address.
Fire Alarm
Fire Alarm
Fire Alarm
Fire Alarm
Fire Alarm
Addition
16 mapped permits within 500 m, shown on the intelligence map above.
9 other addresses on Longwood Av with municipal permit records in Boston.
This address has 154 permit records in PropertyLabs' public history and is located in Ward 4. The city figures below provide context without changing the focus of this exact-address record.
City coverage counts address-linked rows and does not add overlapping canonical tables. Rolling windows are inclusive, use UTC boundaries, and end Aug 1, 2026.
PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 240 Longwood Av is dated Jun 11, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 240 Longwood Av in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Addition
Fire Alarm
Fire Alarm
Fire Alarm
Plumbing
Plumbing
Plumbing
Low Voltage
Low Voltage
Low Voltage
Low Voltage
Electrical
Electrical
Electrical
Electrical
Electrical
Electrical
Fire Alarm
Fire Alarm
Fire Alarm
Electrical
Electrical
Electrical
Electrical
Electrical
Electrical
Electrical
Electrical
Electrical
Electrical
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Electrical
Fast Track Application
Low Voltage
Installation of one (1) AES at remote location. provide 120V power to equipment. wiring of one (1) monitor module and three (3) control modules. (Seely Mudd).
Installation of 4-repeater and AES at remote location. Provide 120V power to equipment. Wiring of one (1) monitor module and three (3) control modules. (LHRRB Building)
Fire Alarm
Fire Alarm
Installation of new natural gas piping to the existing system to add (3) point of use connection points for lab renovation.
98 telecom drops on levels 1-5 of 240 Longwood Ave for tenant HMS West Commons JZ-257300
E25049 HMS Chiller replacement.
E25049 HMS Chiller replacement.
Installation of one (1) AES at FACP. Wiring of one (1) monitor module.School
Installation of AES at FACP. wiring of one (1) monitor module.
HMS - SGM - 6th Fl - Zheng Lab MISC Low Voltage HVAC Control Wiring 253375 SM
Renovation of an existing lab space
Renovation of an existing lab space
E25026 HMS LHRRB Aquatics Lab electrical modifications.
E25025 HMS SGM-6 Zheng Lab renovation, electrical modifications.
E25035 HMS LHRRB Cooling tower replacement.
E25026 HMS LHRRB Aquatics Lab add FA devices to an existing FA system.
E25025 HMS SGM-6 Zheng Lab add FA devices to an existing FA system.
Install card access devices on five new doors on the sixth floor as shown on the security drawing (TY2.06), install new access control panel near the restrooms on the sixth floor.
Disconnect and remove two duress buttons during demo, pull cable back to accessible ceiling. Install new card access devices on cylinder closet 010 in corridor, connect to existing…
Renovations of existing lab space for HMS at (old address, aka: 250 Longwood).:; Work includes upgrades to finishes, equipment and MEP work. This project includes phasing - Room 61…
Removal and replacement of existing cooling tower in kind, with associated mechanical and electrical support. Work to be done at 240 Longwood Ave
The project includes the interior renovation of approximately 600sf of existing laboratory space the Basement level of the LHRRB (old address; AKA; 45 Shattuck St., W4). Work inclu…
Harvard Medical School: Renovation-Demo: installing water closets, lavs, sinks, showers, electric water heaters, floor and roof drains, laundry box, hose bibbs, urinals, mop sinks,…
Fire Alarm upgrade. (HMA LHRRB - Job #250060)
Fire Alarm upgrade and partial addition. (HMS West Commons Infill - Job #250060)
Fire Alarm upgrade. (HMS Sealy Mud - Job #250060)
Harvard Medical school adding a lecture hall and some meeting rooms. (Job #250060)
Infill of an existing courtyard between Building C, Seely G. Mudd, and LHRRB on the HMS campus in Longwood. A large skylight covers the space with a stack of offices and conference…
Provide wiring for 1 environmental room
HMS LED retro fit for HCCM. Reuse existing power for new LED Lights MC-S42544
HospitalCertificate for Lab / Support Space on Level 2ALT1407652 Issued 2/2/2023
E22027 HMS Del Marmol, add FA devices to an existing FA system.
LED Lighting Retrofit
Interior non-structural renovation of existing lab/support space on Level 2 C Building; Del Marmol Lab. Includes General construction; select partition demo, carpentry, millwork, c…
10 Data Jack locations
Install wiring within office cubicles on 1st floor for Harvard Medical School.
HospitalCertificate For Wet And Dry Lab Spaces - 1st fl.ALT1210057 Issued 8/18/2021
NSC INTERIOR LAB RENOVATION TO LEVEL 2 C BUILDING; ENABLING INTERIOR LAB FITOUT
SIEM652X - Install low voltage controls for the HVAC system on the 2nd floor.
Provide wiring for 1 environmental room at Harvard Medical School
E22027 Add FA devices to an existing FA system on 2nd floor, Marmol Lab & Insectary, HMS.
E22027 Electrical renovations to the 2nd floor, Marmol Lab & Insectary, HMS.
421100 - Renovation of laboratory space.
421100 - Installation of natural gas outlets for laboratory.
HMS Bldg C - AC-1 & MAU-1 Replacement. Misc. Low Voltage HVAC Control Wiring - AP - 219799
Data Cabling-floor-1
HMS - Bldg C - Life Lab. Misc. Low Voltage HVAC Control Wiring - AP - 219797
Add Pull Stations, Smoke Detectors, and A/Vs to an existing FA system. 16 temp Heat Detectors during construction.
Electrical renovations to Harvard Med School Life Lab.
Interior renovation to existing wet and dry lab spaces. Includes select demo, drywall and insulation, electrical, HVAC, Plumbing, FA, carpentry and FP. New lab and work spaces.
Replace AHU in the basement level of Harvard Medical.
Modify an existing FA system at Harvard Medical basement, Longwood Ave.
Plumbing piping in support of lab fitout.
relocate fire alarm control panel
Transformer Vault Repairs; Removal and refurbishment of (2) existing transformers, Furnish and install (2) new additional transformers. Conduct repairs to steel and concrete within…
electrical upgrades in Vault
Removal of Decommissioned NMR Equipment and supports. Infill not in use NMR magnet pit with steel decking and concrete.
Installation of built in Fire Alarm control panels in corridor wall. Once complete, swap existing fire alarm control panel to new fire alarm control panel location. Includes; gener…
Harvard Medical School - Seeley Mudd Building C2 - 3rd floor. Renovation of existing lab and office to include new electrical, HVAC, plumbing, rough and finish carpentry, ACT ceili…
40 Data Jack Locations
demo existing lab sink and replace with 10 new lab sinks acid waste DWV and non potable hot and cold water with other services
demo existing gas cut cap and make safe Furnish and install gas shut of boxes that feed overhead carriers with drops to lab benches Each bench has a lab ball valve or (lab cock)
relocate speaker strobes on 3rd floor
7 New Data Jacks
Demo existing lab piping Provide (1) potable lounge sink
Harvard Medical School - Cell Biology Dept. - 5th Floor -; Demo, renovation and fit-out of 1400 gsf of existing lab, support and office space on the 5th Floor to provide a new conf…
(1) coax antenna cable
HMS - Utility Tunnel Condensate Receiver Upgrade - Power & Control wiring for (2) 15 HP & (2) 1/2 HP Pumps - JAG, 197335
Annual electrical maintenance by in-house licensed electrical staff
HMS C Building - Vestibule Doors, Power feeds for (4) doors - AP, 185800
HMS - C Bldg BCMP Lab 2nd Floor, Misc Low Voltage HVAC Control Wiring - AP, 185507
50 Cat 6 Data Drops
Harvard Medical School - Bldg C - 2nd; &; 3rd Floors -; Renovation of existing Office and Lab space to include new HVAC, electrical, plumbing, rough carpentry, millwork, ACT ceilin…
Installation of 5 lab kitchen sink and 1 break room sink
Lab renovation with installation of emergency gas shut off boxes and gas drops to work benches
HMS C Building - Frog RM Panel Upgrade, Replace existing panel with new - Rework existing power wiring as required. AP, 175328
C Bldg Mass Notification/Fire Alarm Integration At FACP Ground Level
HMS - C Bldg - Process Cryocooling - Misc Low Voltage HVAC Control Wiring - AP, 175162
HMS XFMR Replacements - Replace (4) XFMRs - 117kVA Total - AP, 175070
Remove and replace 2 back flow preventers
C-Building— Shao Lab— 4th Floor Rework Existing Tenant Space fire alarm for new layout. (7) Devices All Audio Visual devices
5 Jacks
add 1 outlet
HMS - Building C - Shao Lab, Misc. Low Voltage HVAC Control Wiring - AP, 164141
Support work for mass notification upgrades for entire building.
Renovation of existing lab and office space to include new plumbing, HVAC, electrical, equipment, millwork and finishes. No structural work
Provide (3) laboratory sinks on acid waste system (1) Kitchenette sink relocated
Install gas cock service outlets from overhead carriers
HMS - Bldg C - BCMP Conf Rooms, Misc. Low Voltage HVAC Control Wiring - AP, 163515
Renovation of existing conference room to include new A/V, electrical, rough/finish carpentry, flooring, HVAC, ACT, & millwork.
Upgrades to existing network rooms to include new electrical, HVAC and finish carpentry.
HMS Bldg C - 240 Longwood Ave - Misc Low Voltage HVAC Control Wiring AP-163039
HMS - C Building - Gigi Lab - Misc. Low Voltage HVAC Control Wiring AP 151916
Renovation of existing lab to include new HVAC, electrical, rough and finish carpentry, plumbing and millwork. Work to be performed on the 5th Floor
10 jack locations
5th Floor 30 Jacks
HMS Building C- FCUs - 1st and 2nd Floor - Misc. Low Voltage HVAC Control Wiring AP 141814
Renovation of existing lab/office space to include new electrical, HVAC, rough and finish carpentry, plumbing and millwork. Work to be performed on 3rd floor. No structural or spri…
Renovation of existing lab/office space to include new electrical, plumbing, rough and finish carpentry, painting and millwork. Work to be performed on 2nd floor.
HMS - C Building - 4th & 6th Flr FCUS - Misc. Low Voltage HVAC Control Wiring AP 130897
Replace existing Fire Pump Controller.
5 voice data locations
INSTALLING FIVE LABORATOY SINKS AND FIVE EMERGENCY EYE WASHERS FOR HARVARD MEDICAL BLACKLOW LAB
10 voice / data locations
Renovation of existing lab space to include new electrical, plumbing, HVAC,and mill-work. No Structural work. Work to be performed on 6th Floor.
Long Form/Alteration Permit · INTREN · Jul 21, 2026