Building permit intelligence · Boston, MA
80 Blossom St has 200 municipal building permits on file in Ward 3. The latest recorded activity was a fa permit dated Jul 16, 2026. Permits at this address represent $25MM+ in total declared construction value. PropertyLabs also identified 1 mapped permit within 500 m of this address.
Fire Alarm
Fire Alarm
Low Voltage
Low Voltage
Low Voltage
Low Voltage
1 mapped permit within 500 m, shown on the intelligence map above.
7 other addresses on Blossom St with municipal permit records in Boston.
This address has 200 permit records in PropertyLabs' public history and is located in Ward 3. 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 80 Blossom St is dated Jul 16, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 80 Blossom St in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Low Voltage
Low Voltage
Electrical
Electrical
Electrical
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Fire Alarm
Fire Alarm
Fire Alarm
Low Voltage
Electrical
Fire Alarm
Renovation of a portion of the Gray Jackson Penthouse at Massachusetts General Hospital, Boston, MA. Spaces include electrical rooms, and others. Work includes associated mechanica…
Electrical
Low Voltage
Electrical
Gray Jackson Basement. Old mailroom. Addition of panelboard and freezers. Power upgrade. (1) 120/208v 60A panelboard
Fast Track Application
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Fast Track Application
Fast Track Application
Fast Track Application
Low Voltage
Fast Track Application
Low Voltage
Low Voltage
Electrical
Fire Alarm
Fire Alarm
Low Voltage
Low Voltage
Electrical
Fire Alarm
Fire Alarm
Low Voltage
Fast Track Application
Plumbing
Electrical
Plumbing
Low Voltage
Fire Alarm
Low Voltage
Electrical
Renovations - Interior NSC
Mass General Hospital - Gray Bldg - 2nd Floor -; Renovation of Gray 2 IR Rooms 5 &; 6 procedure rooms to accept new Radiology equipment. Scope of work includes all MEP trades, wall…
GRJ 10 Reno Low Voltage Cabling for T/D
Renovate patient care space. Installation of new fixtures.
Hospital, laboratoriesCertificate for: Common area 16th floor and Basement;ALT669751 Issued 3/20/17
MGH Jackson 10 Reno. Misc. Low Voltage HVAC Control Wiring. FK - 221165
Renovation of existing office spaces on the Gray/ Jackson 10th Floor. Scope of work includes renovation of walls, finishes, and MEPs.
Renovation to MGH GRJ 10TH FLOOR
MGH GRJ 10TH FLOOR - Add 2 New Speaker Strobe Units
Renovation of a part of the emergency department.
installation of 2 duct smokes for new AHU. E22077 MGH Gray/Jackson
Panel installation & feed for new AHU
MGH Gray Jackson AHU Replacement. Misc. Low Voltage HVAC Control Wiring. FK-220948
MGH Jackson 7 Renovation. Misc. Low Voltage HVAC Control Wiring. FK - 220979
Removal & replacement of architectural finishes. Replace existing fuel oil lines to upgrade fuel oil system. The majority of alterations to the existing MEP . A SF permit has been…
426200 - Install new plumbing fixtures and associated piping.
Small renovation of office space on 7th floor of the Jackson Building. Small lighting, controls and receptacle adds
Renovation of existing lab and admin areas to include new finishes and equipment. Rooms 700TF1, 728, 724, 700C03, 702.
SM# 150125TUR - MGH Generator Enabling Project. Install lighting, power, panels Other: Gear: (1)200A ATS,(2)400A ATS,(2) 800A ATS, UPS 50KVA/50KW, (2)1600A 277/480 3P4W,(2)800A 277…
SM# 150125TUR - MGH Generator Enabling Project. Install fire alarm.
150183JCC - MGH Fuel Oil renovation- Gray/Jackson sub basement. Furnish and install power to (1) leak detector
150183JCC - MGH Fuel Oil renovation- Service building basement. Furnish and install power to (1) leak detector
Early demo/abatement in anticipation of Cancer Laboratory Demo in Gray/Jackson BLDG at MGH: Demo existing walls and finishes, demo ACT and Grid, remove flooring and prep for constr…
Remove existing ceiling grid and ACT tiles, abate/replace existing flooring with new
Abate existing spray fireproofing/duct sealant, turn sprinkler heads up, remove and replace ACT ceilings and grid, demo existing HVAC infrastructure and equipment and replace with…
MGH Jackson Loading Dock Snow Melt Misc. Low Voltage HVAC Control Wiring -FGK -220375
Interior Renovation to Existing IT closets. Scope of work includes Ceiling, Paints, HVAC, Electrical and Fire Protection.
Remove existing roof and insulation and install new insulation and roof membrane.
Concrete slab replacement at the Jackson building loading dock.
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 14th fl- Furnish and install power to HVAC(1)FCU unit. Relocation of existing lighting.
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 14th fl- 2 fire alarm smoke detectors with RAIs
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 9th fl- 2 fire alarm smoke detectors with RAIs
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 4th fl- Furnish and install power to HVAC(1)FCU unit. Relocation of existing lighting.
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 13th fl- Furnish and install power to HVAC(1)FCU unit. Relocation of existing lighting.
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 13th fl- 2 fire alarm smoke detectors with RAIs
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 9th fl- Furnish and install power to HVAC(1)FCU unit. Relocation of existing lighting.
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 8TH fl- 2 fire alarm smoke detectors with RAIs
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 8TH fl- Furnish and install power to HVAC(1)FCU unit. Relocation of existing lighting.
SM#150120GGC - MGH Jackson IDF Closets. IDF Closets on 4th fl- 2 fire alarm smoke detectors with RAIs
Hospital &; laboratories;Certificate for the Gray Jackson &; Bulfinch Bldg at MGH- Office, Holding Rooms, Waiting Room-Only;Alt 1117779 issued 106/20
Hospital &; Laboratories Certificate for: Cellular therapy and Transplantation Lab - Basement Level Alt1035403 - 2/24/20 ; ;
403000 - Installation of Med Gas piping to existing risers and patient bathroom on Level 01. Relocation of sanitary piping on the floor below (basement).
MGH ER Acute Psychiatry, 80 Blosson St., Boston. Low voltage HVAC control wiring - FGK - 208997
Renovation of a portion of the Gray Jackson &; Bulfinch bldg at MGH. Spaces include office, holding rooms, waiting room, and others. Work included MEP and architectural work elsewh…
Existing Gray Jackson bldg, 1st floor to be demolished and renovated into new Emergency Department Acute Psychiatry Service (APS)
403000 - MGH - Emergency Department APS Reno Installation of Med Gas piping to existing risers and patient bathrooms. Relocation of sanitary lines on the lower level.
Renovation of existing 1st floor Jackson New Emergency Department Acute Psychiatry Service. The scope of work entails furnish and installation of boxes, wire and new fire alarm dev…
Renovation of existing 1st floor Jackson Building, The electrical scope of work entails furnish and installation of new lights, switches, receptacles, lighting control and associat…
Renovation of 1st floor Jackson New Emergency Department Acute Psychiatry Service. Furnish and installation of boxes and raceway for tel/data, security and nurse call system
400100 - MGH GBJ Generator Enabling Demo and relocation of existing plumbing in penthouse of Jackson Building . Cut and tie-in new floor drain on Level 15.
Massachusetts General Hospital - Gray Jackson Building - 15th Floor - ;Construction of a new emergency electrical room on Jackson 15, new normal power feeder from Gray Jackson sub-…
RENOVATION/EXPANSION TO EXISTING CELLULAR THERAPY AND TRANSPLANTATION LAB, INCLUDING NEW FLOORING, CEILING, MILLWORK, FIRE PROTECTION, PLUMBING, HVAC, ELECTRICAL UPGRADES TO LAB, W…
SM#150126GGC-MGH CTTL Cryo Expansion- Gray Jackson Basement. Renovation of existing space. Relocate and add new lighting, power
SM#150126GGC-MGH CTTL Cryo Expansion- Gray Jackson Basement. Renovation of existing space. Relocate and add new fire alarm.
SM#150126GGC-MGH CTTL Cryo Expansion- Gray Jackson Basement. Renovation of existing space. Relocate and add security wiring Security wiring only for 1 Panic button and 1Card reader…
Demo and reinstall new sink and associated piping in the basement of the MGH Gray/Jackson building.
MGH Jackson Pharmacy - Phase II low voltage HVAC control wiring 208234 - FK
Job# 19-0608-10 MGH Gray Bigelow/Jackson Generator Low voltage T/D cabling
Job#19-0505-10 MGH Blake & Gray/Jackson Bldg-Pharmacy Phase 2 Low Voltage T/D Cabling
396500 - MGH (80 Blossom Street) Upgrading space with new utilities
Interior Renovation in the MGH Jackson Building. This work includes Demo, Concrete, Interior finishes, and MEP's. The work in the Basement + 1st Floor of the Jackson building, howe…
Hospital &; Laboratories Certificate For: Pharmacy Area in Basement Level (Room 059) Gray Jackson Building; - Only Alt919063 - 3/11/19
New fire alarm devices for the Jackson Building Jackson Pharmacy Renovation.
New power and lighting for the Jackson Building Jackson Pharmacy Renovation.
Gray Bigelow Building: 6th Floor Mechanical/HVAC Renovation, Demo and relocate (2) VFD's and loads to (2) motor pumps on the 6th floor.
MGH Gray S-6 AHU Replacement, Misc low voltage HVAC control wiring - JAG, 197148
Hospital; Certificate for;the 2nd floor;MGH Jackson Building/ Pathology Labs - only ALT610837 issued 7/28/16 ;
MGH Gray/bigelow/Jackson HEX Seperation, Misc low voltage HVAC control wiring - FGK, 197199
MGH Jackson Pharmacy, Misc low voltage HVAC control wiring - FGK, 196983
Renovation of pharmacy areas within the basement level of the Gray Jackson Building at Massachusetts General Hospital. Work includes upgrades to the interior spaces including parti…
Renovation of an existing area(MGH Jackson Pharmacy)
Renovation of an existing area(MGH Jackson Pharmacy)
wire combo freezer/cold room on second floor
Renovation to IT closets to accommodate new heat loads as required for the new computer and phone systems- Bulfinch 2nd, 3rd &; 4th floor.
Renovation to IT closets to accommodate new heat loads as required for the new computer and phone systems-Jackson 5
10th floor interior upgrades to existing IT Closet to accommodate heat loads from new computer, includes minor hvac updates and electrical.
Interior Renovation to IT closets to accommodate new heat loads as required for new computer and phone systems
Bulfinch Building:First FLOOR 110 IDF Closet, minor renovation-added FCU unit @ 66 Blossom Street, Bulfinch Building - Basement
Bulfinch Building:First Floor 137 IDF Closet, minor renovation-added FCU unit @ 66 Blossom Street, Bulfinch Building - Basement
Bulfinch Building:Basement IDF Closet, minor renovation-added FCU unit @ 66 Blossom Street, Bulfinch Building - Basement
Bulfinch Building:First FLOOR 110 IDF Closet, minor renovation-added FCU unit @ 66 Blossom Street, Bulfinch Building - Basement
Bulfinch Building:Basement IDF Closet, minor renovation-added FCU unit @ 66 Blossom Street, Bulfinch Building - Basement
Bulfinch Building:First Floor 137 IDF Closet, minor renovation-added FCU unit @ 66 Blossom Street, Bulfinch Building - Basement
MGH AHU-13 upgrade @ 80 Blossom St
MGH AHU-13 upgrade @ 80 Blossom St
Furnish and installation of conduit and wiring for new exterior lights. Furnish and installation of conduit and wire for power for heat trace. Furnish and installation conduit and…
Furnish and installation of new fire alarm devices and associated conduit and wiring for new air handler and vestibule area. The new devices will tied to the existing Honeywell sys…
MGH Bulfinch AHU-3, Misc low voltage HVAC control wiring - FGK, 186204
Mass General Hospital -; Replace an existing AHU on the Roof of the Bulfinch Building
MGH Jackson AHU S-13 Replacement, Misc low voltage HVAC control wiring - FGK, 174952
10th floor-Interior Renovation to IT closets to accommodate new heat loads as required for the new computer and phone systems. Work includes HVAC and electrical work. No structural…
Gray Jackson Buliding:10th floor Machanical/HVAC renovation. Addition/upgrade/relocate of existing Mechanical equipment ont he 10th floor
MGH Wang Building, ADA restroom upgrade 7th fl. Upgrade existing bathroom with lighting control switches
Hospital; Temporary Certificate for Phase II; MGH Jackson Bldg. Pathology Labs on the 2nd floor. Certificate to expire on 7/20/18 pending completion of phase project Alt 610837 iss…
AHU Replacement of jackson BLDG. Insatllation of Panel and VFDs for new AHU Units.
MGH Wang building ADA restroom upgrade- 8th floor. upgrade existing bathroom with lighting control
Replacement of air handling units including associated sprinkler, electrical and mechanical work.
MGH AHU -12 upgrade
MGH AHU -12 upgrade
MGH Jackson AHU 12 Replacement, Misc. Low Voltage HVAC Control Wiring - FGK, 174952
Installation of new ventilation fans on roof of building. There will be two fans we are adding along with duct work and supports to the roof of the Gray / Jackson building at MGH.
MGH wang building ADA restroom upgrade 3rd fl. Upgrade existing bathroom with lighting control & push paddle
MGH Jackson EF 5&6, Misc. Low Voltage HVAC Control Wiring - FK, 174578
Replace existing fuel oil lines in basement to upgrade fuel oil system. The fuel lines run through the following buildings. A SF permit as been applied for each building. •Bartlett…
Replacement of existing fire alarms throughout Gray/Jackson building. ; ADMIN notes:Pages =0.;see plan set at ALT669747; same plans. Nominal;BFD plan;fee of this permit
Replacing plumbing pipework in basement and sub basement of bullfinch building . no sprinkler work to be done
MGH AHU-11 & 12 upgrades @ 80 Blossom St
Low voltage wiring MGH 80 Blossom Street, Pathology second floor Voice data - multi phase Jackson Building Job number 16-0280-10
Replacement of Air Handling unit.
MGH Wang restrooms
MGH AHU-11 & 12 Upgrade/ (1) 250A 480/277V Panelboard (2) VFD's
MGH Wang restroom
MGH - Gray/Jackson S-11 Replacement, Misc. Low Voltage HVAC Control Wiring - JAG, 163822
MGH Pathology Phase 1
MGH Pathology Phase 1 electrical work
MGH Pathology Phase 1 Electrical work
MGH Gray Aii Rooms, Misc. Low Voltage HVAC Control Wiring - JAG, 163646
Furnish & Install power for relocation of existing equipment
Complete renovation of existing clinical pathology laboratories
MGH Gray Pathology, Misc. Low Voltage HVAC Control Wiring - JAG, 163595
Replacing plumbing pipe-work in basement and sub-basement of Gray/Jackson building. No sprinkler work.
To replace 2 new faucets, 1 new sink, 2 new medical gas outlets on the first floor
MGH Jackson OR-42, Misc. Low Voltage HVAC Control Wiring - JAG, 163356
Above ceiling MEP renovations
MGH-Jackson Building OR 42 Renovation Installing Temp Heat Detectors
MGH-Jackson Building OR 42 Renovation F&I Power for Security control panel & Door contacts
MGH-Jackson Building OR 42 Renovation Re-working existing circuits for Power & Lighting
Renovation of existing lab space. Install two disconnects for equipment
MGH Jackson Building 11th Floor, Room 1119. Install low voltage control wiring to HVAC equipment for the purpose of temperature controls. 5743 rc
Supply all labor and material to remove existing cabinets, acoustical ceilings ductwork and light fixtures and install new ductwork, terminal box and piping for owners chiller. Rei…
MGH Jackson Labs 5th Floor / Lab J512A & J529. Install low voltage control wiring to HVAC equipment for the purpose of temperature controls. #152314 rc.
Add submergible Fuel Oil Pumps at Lower Level so that the Fuel Generators would work in a flood event
Remove lighting and wire 2 new fan coil units Jackson Bldg Lab 512 &; 529
Mass General Hospital: Gray/Jackson Building Installing conduit/wire for Fuel Oil Pumps (2) 100A Disconnect (2) Motors 30KVA Transformer 100A Panel 100A ATS
Hospital COO for Pharmacy Compounding - Robotics Suite Alt304240 issued 12/9/2013
MGH Gray Building Basement Electric Shop. Install low voltage control wiring for HVAC equipment for the purpose of temperature controls. #5237 rc
Replace the corridor flooring on the first floor of the Jackson Building located at 80 Blossom st
Hospital COO for Blood Donor Center Alt291484 issued 10/17/2013
Renovation of existing OR#24 with new ceiling. Including new fixtures and dimming system. Gray Building 3rd floor OR#24
MGH Gray Building Low Zone Reheat System. 6th floor Install low voltage control wiring to HVAC equipment for the purpose of temperature control. #141308 rc
To replace the existing revolving door with a new 4 wing manual revolving door.
MGH Gray Building Penthouse Mechanical Room Install 4 VFDs & power/control wiring for HVAC equipment for the purpose of temperature control. #141176 rc
Gray Building 15th floor installation 1-VFD & 1-125 HP motor
MGH Gray Building Pharmacy Compounding Robotic Suite / Basement. Installation of control wiring for new HVAC equipment for temperature control system. #130940 rc
Installation of a new ACT ceiling at the entry lobby at 80 Blossom St. Installation of (6) 2x2 lights.
Replace existing lighting with new fixtures.
Installing 2 sinks & 2 emergency showers in the basement of MGH Pharmacy.
CT Pharmacy Compounding Robotics Renovations
CT Pharmacy Compounding Robotics Renovations