Building permit intelligence · Boston, MA
221 Longwood Av has 225 municipal building permits on file in Ward 4. The latest recorded activity was a roof permit dated Jul 15, 2026. Permits at this address represent $25MM+ in total declared construction value. PropertyLabs also identified 12 mapped permits within 500 m of this address.
Roofing
Electrical
Electrical
Low Voltage
Low Voltage
Low Voltage
12 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 225 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 221 Longwood Av is dated Jul 15, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 221 Longwood Av in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Plumbing
Plumbing
Plumbing
Electrical
Fire Alarm
Fire Alarm
Electrical
Fire Alarm
Electrical
Fast Track Application
Fast Track Application
Plumbing
Plumbing
Plumbing
Plumbing
Plumbing
Plumbing
Plumbing
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Electrical
Electrical
Electrical
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
Electrical
Renovations - Interior NSC
Renovations - Exterior
E24087 BWH BR2 GI recruit electrical modificationsssss
Low Voltage
2nd Floor Endocrine Office Renovation Richardson Fuller Bldg 2nd Fl
Fire Alarm
Plumbing
Fire Alarm
Renovations - Interior NSC
Renovations - Interior NSC
Renovations - Interior NSC
E24015 BWH Install new fire pump controller and jockey pump controller.
Replace the existing fire pump with new fire pump
Demo (2) Air Handling Units and replace (2) New AHU's with associated MEP's. Existing roof removal and replacement below AHU's.
Erect scaffold in the back alley while we wait for ALT1572153 which was submitted on 2/14/2024 to be approved.
E24024 BWH BLI rooftop AHU replacement, add FA devices to an existing FA system.
E24024 BWH BLI rooftop AHU replacement.
E23044 BWH Richardson Roof. Electrical modifications.
Interior renovations of lab space including new floors, painting and millwork. Partial demolition of a wall with relocation of electrical outlets.
E23099 BWH Navarro Lab renovations, 2nd floor.
Replacement of an existing, obsolete Ansul Dry Chemical Fire Suppression System in the Fuel Storage Room at the Ground Level. A new Kidde Dry Chemical Fire Suppression System and t…
E23071 BWH 221 Longwood Bay 1 MRI FA Upgrade.
E23071 BWH 221 Longwood Bay 1 MRI Upgrade.
Install 8 New Cat 6A Cables. Relocate 4 existing Cat 6A Cables
Scope of work is to renovate existing MRI Bay 1 with upgraded utilities and finishes. Scope includes rigging of new Magnus MRI, installation of new electrical feeds and panels, and…
Remove and install two hand sinks (434100).
Demolition scope entails removal of existing drywall partitions to accommodate existing MRI rigging pathway through facility basement.
E23044 Richardson Fuller Roof Replacement electrical provisions.
SM#1103068WAW Basement Rm 061 Add power and replace lights for new freezer equipment (1) 150A 120/208v panel
Richardson Fuller Roof Replacement and Facade Repairs - Scope of work includes replacement of existing roof, raising MEPs and throughwall flashing to match new tapered insulation h…
Existing ACMs below flooring will be abated. New sheet vinyl flooring will be installed, walls painted, new ACT grid installed, and a new FCU to cool the freezer room will be insta…
BWH BLI Roof Replacement. Misc. Low Voltage HVAC Control Wiring. KG-220573
BWH 221 Longwood BLI Roof Replacement - Work includes demolishing existing roof and portions of concrete overhang, MEP relocations, masonry/ brick repairs, deck infill at demolishe…
BWH EBRC Endo Lab Flooring Replacement - Demolish existing flooring and base. Patch and paint throughout. Install new MCT flooring and resilient base.
E22021 Make electrical repairs for roof replacement at the Boston Lying Inn.
Demolish and remove copper vacuum lines feeding an existing vacuum skid. Install cooper vacuum lines and make final tie-ins to new replacement vacuum skid.
Five (5) dual and one (1) single plenum-rated yellow Category 6A locations (D210466 - Richardson Fuller 2nd Floor)
110246SCC BWH Pathology Specimen Collection. Furnish and install (1) existing fire alarm speaker strobe devices.
110246SCC BWH Pathology Specimen Collection. Furnish and install lighting, branch power and relocation
Interior renovation to revise layout of the specimen collection counter - Work includes new flooring, paint, one door, and countertops.
Renovations to 4th floor room BL442D, 5th floor room LM512.
Install Category 6A cabling for 8 devices (D210037 EBRB Room 512)
BL442D/ LM512 - Renovation of lab and conference room for new workstations. Demolish existing lab bench and associated MEPs. New work includes new flooring, paint, light fixtures a…
Roof replacement and associated repairs at the BWH Boston Lying Building.
Medical Research Hospital Offices and Cafeteria Certificate for:; Bay 2 MRI Space (B&;WH);- Ground Floor ALT993306;- ;9/18/19
replacement of 11 2x2 light fixtures in office space
Renovation to the 4th floor Richardson Fuller Building - room 477 and 480. Work to include; selective demo, and then install new lighting, ACT, new door, new carpet, and relocation…
Project # 13520-19 BLI 035G (3) 8' LED lights added to room.
Brigham &; Women's Hospital - Ground Floor - Bay 2 MRI Space -; Interior finishes renovation of medical procedure room and installation of new exterior concrete pad.; Work includes…
Install FA devices to an existing FA system in MRI 2, BWH, ground.
Electrical modifications to MRI 2 room for BWH, ground floor.
Installation of new Light Pole & handhole in sidewalk in front of 221 Longwood Ave . Replace existing light pole. Disconnect exist light pole, reconnect new light pole and providin…
Dental School, Radiation Waste Storage &; School Certificate for Offices &; Labs 1st Floor/;EBRC Building -;Only ALT897617 issued 11/20/18
Install Category 6A cabling for 19 devices. (D180385 EBRC 121/123)
Brigham and Womens Hospital - 1st Floor;- EBRC Building - ;Interior renovation of approximately 1765 sq ft of existing Lab space to be converted to Office space on the 1st floor of…
Electrically remodel BWH suite on the 1st floor.
Modify an existing FA system to accommodate remodeling of a first floor suite for BWH.
Renovation of Lab space
Installation of 50 Cat 6A Locations (D170387)
Dental School, Radiation Waste Storage &; School Certificate for Mezzanine Level Psychiatry Department Alt689641 issued 4/14/2017
Dental School, Radiation Waste Storage &; School C/O For: Labs and offices 4th floor Alt704413 - issued 5/25/17
HIM Basement Rms B38 & B52, Misc Low Voltage HVAC Control Wiring - PAG, 185456
Installation of 62 voice/data locations. (D170386)
Dental School, Radiation Waste Storage &; School Temp. COO for (Phase 1) - Consultation Rooms &; Offices (Mezzanine Level Psychiatry Dept.) - to expire in 120 Days on January 31, 2…
Medical offices, medical research, pharmacy, ambulatory &; hospital C/O-For Exam Rooms &; Medical;Offices;- BLI Building -;BLI - 1 &; BLI - 3 alt 611437 issued 9/20/16
Medical offices, medical research, pharmacy, abulatory &; hospital.; Alt611437 Certificate for the;4th floor at Brigham and Womens Hospital, BLi Building (BL453 and LB 455). ALT686…
Interior renovation to existing lab and office space to BWH - Boston Lying - In Hospital - Level 4. Work to include; selective demo, MEP's FA, FP and architectural finishes. This w…
E17089 - Wire and install lighting and power for a 4th floor renovation at Boston Lying-In, BWH.
E17089 - Install FA devices to an existing FA system on the 4th floor, Boston Lying-In Hospital, BWH.
HON124X - BWH BLI Rms 435 & 455 Reno: The scope for this project consists of control wiring for (1) FCU, (1) VAV, and extending the MSTP bus about 100 FT from the 3rd floor MER Con…
Installing a gas line in BWH BLI 221 4th
Installing plumbing fixtures & associated piping on the 4th floor or BWH BLI
Renovation to BWH Department of Psychiatry - Mezzanine Level
Renovation to BWH Department of Psychiatry - Mezzanine Level
Installing plumbing fixtures & associated plumbing at 221 Longwood BWH
Installing plumbing fixtures & associated piping at 221 Longwood BWH
Interior Renovation of the 221 Longwood Avenue Mezzanine Level encompassing 9,100 square feet of existing office space to provide updated consultation spaces, offices, better facil…
Electrically renovate a portion of the 4th fl, BWH, BLI.
E17070 - Add 1 speaker/strobe to an existing FA system on the 4th fl, BWH, BLI
Interior renovation to a portion of the 4th floor at Brigham and Womens Hospital, BLi Building (BL453 and LB 455). Work to include; selective demo, MEP's FA, Sprinkler and arch fin…
Medical offices, medical research, pharmacy, ambulatory &; hospital COO for AHU Air Handling Unit (3rd Floor) &; BL1 Building Offices (2nd Floor) Alt582680 6/17/2016 &; Alt582664 i…
Installation of 43 voice/data locations.
Replace Substation B Transformer in Switch Gear Area BL-052A in back exterior of building 1-2000 KvA oil-filled transformer @ 221 Longwood Ave, Boston
The work includes wiring controls for fan coil units, VAV boxes and AHU-1 @ 221 Longwood Ave. Boston Ma. 02115. 1st and 3rd floors
Installing plumbing fixtures & associated piping on the 1st & 3rd floors of BWH BLI
Installation of 15 voice/data devices (D160383 - BLI Backfill)
Renovate the electrical portion of the BWH BLI/EBRC project on levels 1,2,&3.
Renovate the FA system at BWH BLI/EBRC levels 1,2,&3.
S2189-1 BWH BBF Backfill Phase 3 3rd Floor: Control wiring for the new AHU on the 3rd floor, and the (1) NMR Purge Fan and (1) Snorkel Exhaust Fan in the 3rd floor MER
S2189 BWH BBF Backfill Phase 3 2nd Floor: Control wiring for (7) FCU’s, (2) FSD’s, (1) O2 Monitor, and (1) ½ Ring and CP Net Controller
Brigham &; Women's Hospital - BLI Building -;( Departments ;BCDEFGH ) Interior renovations of existing interior and windows. Floors 1 through 4 new finishes and mechanical systems.…
Plumbing Renovation
Phase L - AHU replacement on the 3rd floor of the Brigham and Women Hospital - BLI Building. Work to include; additional duct smokes, MEP's and associated patch work.
Interior renovation to a portion of the 2nd floor at Brigham and Women's Hospital - BLI Building. Work to include; selective demo, MEP's, FA, Sprinkler and architectural finishes.
Replacement of 3 existing exhaust fans at the penthouse.
20A 208V outlet 11647-16
Add two duct detectors to the existing FA system on the third floor
Wire motors to a portion of the third floor
Renovate FA system on the second floor
Renonvate parts of the second floor
Add three duct detectors for three new AHUs on the roof.
Add three AHUs to an existing building.
Medical Offices, Medical Research, Pharmacy, Abulatory &; Hospital. ALT18174/2013; Certificate of Occuancy for;partial floors of lab and office space located at the Brigham and Wom…
Installation of 30 new dual locations on floors 1 and 5.
S2009 - Control Wiring of 18 FCU's and 2 VAV's, and relocating and extending the network.
357100 - 221 Longwood Avenue - BBF Backfill Renovation - Plumbing work to be performed at 221 Longwood Avenue, Boston, MA per engineer drawings. Work to include installation of (2)…
Brigham &; Women's Hospital -; Install new signs per BRA Design approval.
Interior renovation to partial floors of lab and office space located at the Brigham and Womens Hospital - EBRC building at floors 1 and 5; indicated as phase 1 on drawings. Work t…
Renovations to portions of the first and fifth floors of the EBRC building of Brigham and Women's Hospital.
Renovate existing F/A system on portions of floors one and five, EBRC building, BWH.
874090 - 221 Longwood Level 1 Demolition and replacement of existing supply and drainage piping on the first floor per engineer's drawings.
Remove electrical lights, switches, and receptacles.
Interior demolition to the 1st floor of the EBRC1 building at Brigham and Womens.
Hospital COO for Lab #116 (First Floor) Alt317801 issued 1/28/2014
Medical Offices, Medical Research, Pharmacy, Ambulatory &; Hospital; COO for Offices (Third Floor) Alt378877, issued: 9/4/2014
Install a/v.
Project 10916-14 (3) Elevator upgrade, relocation of existing power and installation of split new A/C system.
Minor architectural modifications to the basement - 4th floor to support tel data upgrades at the Richardson Fuller Building at Brigham and Womens.
Our Genes Research 3rd Floor. Install Honeywell controls on 3 Fan Coil Units and 1 vav
BWH LMRC Gound Floor Mechanical Vault. Install low voltage control wiring to HVAC equipment for the purpose of temperature controls. #141645rc
INSTALATION OF NITROGEN MEDICAL GAS TANK & FOUNDATION AT BRIGHAM & WOMANS HOSPITAL(LN-2). ALL WORK WILL BE IN FULL COMPLIANCE WITH NFPA55, 780CMR,521CMR,521CMR. REPLACING EXISTING…
BETH ISREAL DECONESS HOSPITAL REPLACE OXEGEN TANK BASE FROM HOROZONTAL TO VERTIAL CONFIGURATION. ALL WORK WILL BE IN FULL COMPLIANCE WITH 780CMR,521CMR,521CMR AND APPICABLE NFPA RE…
Replacement of pH System
Remodel "Our Genes" area of 3rd floor.
Interior renovation to the 3rd floor office suite at Brigham and Women's Hospital(BLI Building). Work to include; minor demo, MEP's, FA, sprinkler relocation, and finshes.
Replacement of air handling unit at Brigham and Womens.
Install new automatic door operator on first floor, remove existing service window and replace with new. Install 2' drywall partition & associated finishes on mezzanine & 4th Floor…
Install 51 cables
Redo FA duct-smokes for Air Handling Unit.
Wire and install replacement Air Handling Unit.
**Filtered Water Cooler**
Remove and replace existing windows. Existing window openings to remain.
Renovation to lab space
Renovation to lab
Remodel cold-room on first floor.
Brigham &; Women's Hospital at 221 Longwood Ave - EBRC Building, Lab 116 - interior non-structural renovation: new VCT flooring, painting, new sprinkler piping &; heads (# of heads…
Install three gas turrets and one fume hood in renovated lab
Remodel BWH 1st floor.
Renovate FA system BWH 1st Floor
BWH Room 79 add receptacle to bathroom and replace 2 light fixtures
Install lab sink and emergency shower in renovated lab space
Install one sink in new exam room
Installing a new 208 volt 30 Amp circuit to feed a photobooth.
Low voltage cabling
Installation of Glass washes and sterilizer
Remove & Install new millwork, Relocate HVAC grille, Add new lighting fixtures. New architectural finishes.
**Filtered Water Coolers**
Brigham & Women's Hospital - EBRC 4th & 5th floor Endocrine Recruitment project (221 Longwood Ave, EBRC building rooms LM416 & LM516): interior non-structural renovation that inclu…
Legal Use and Occupancy is Medical offices, medical research, pharmacy, abulatory &; hospital; Certificate of Use and Occupancy for; BLI Building, 1st Floor, Office Suite 152 Alt26…
Low voltage cabling
Install 18 new cables in an office suite.
Brigham & Women's Hopsital, BLI building, 2nd floor, suite 251: interior, non-structural renovation - selective demo, new GWB, flooring, ACT, millwork, lighting, painting, relocati…
1st Floor remodel Channing, Div of Network Med
Add 2 horn-lights 1st Fl Genetics Research
Remodel 1st floor, Genetics research
Voice and Data Cabling
Brigham & Women's Hospital, EBRC building, Floors 1 & 6: interior, non-structural renovation - selective demo, new millwork/casework, GWB, ACT, painting, plumbing, HVAC & electrica…
**Filtered Water Cooler**
BLI building, 1st floor, suite 152: interior, non-structural renovation for healthcare research faculty office, which includes selective demo, GWB, painting, ACT, millwork, fire pr…
33068P BWH EBRC 3 & 6 GLASS WASHER/STERILIER-INSTALL SINK AND FLOOR DRAIN
Legal Occupancy:; Medical Offices, Medical Research, Pharmacy, Ambulartory &; Hospital COO for ground level/MRI Research Center Alt108702, Issued: 1/6/12
Legal Occupancy:; Medical Offices, Medical Research, Pharmacy, Ambulatory &; Hospital COO for BLI 5th floor offices &; exam rooms Alt189442, issued: 10/31/12
Remodel BWH glass wash/sterilizer.
Brigham & Women's Hospital - EBRC building rooms LM319 & LM615: interior non-structural renoavtion to infill door way, remove GWB walls, replace flooring, ACT and paint. Replace (5…
**Filtered Water Cooler**
**Filtered Water Cooler**
Project #10336-13 Provide(3)fuseable disconnects and wiring for existing elevator feeder, Cab lights with new life saftey circuit,Control cabinet with normal power, General lightin…
medical offices, medical research, ambulatory &; hospital C/O-For BLI- 3rd &; EBRC -2nd fl- Medical Offices -only alt 189448, issued, 10/31/2012
Install 50 Data locations on BLI 5th floor.
BLI 5th floor HVAC controls.Install controls on 22 fan coil units, 13 occ sensors, 19 valves, 3 VFD's and misc points.
Control Wiring sensors
BLI Dept 3rd floor and EBRC dept 2nd floor.Install controls on 2 vav's 1 reheat coil, 6 Fan coil units, 1 liebert unit and 2 oxygen sensors. extend existing 120 volt ATC cicuit for…
Installing 2 sinks and associated piping on the 3rd floor of BWH in room 315.
Install 12 Data locations on the 3rd floor.
Install 15 Data location on the 2nd floor.
rearrange existing devices and circuits to accomadate new office layout.
Legal Occupancy:; Medical Offices, Medical Research, Pharmacy, Ambulartory &; Hospital COO for ground level/MRI Research Center Temporary CO valid until 2/27/2013,;second extension…
Install 14 new V/D locations on the 1st floor for Behavioral Neurology
Plumbing renovation
Installing one sink and associated piping in the Behavioral Neurology area on the first floor.
32111p BWH BLI 3rr Floor Renovation of Lab
32110P BWH BLI 5th Floor Renovation of Lab
renovate a small waiting area at BWH department of Behavioral Neurology
Medical offices, medical research, pharmacy, ambulatory &; hospital Alt113843 issued 1/20/2012 COO for Labs Ground Floor ONLY (Zebrafish)
Long Form/Alteration Permit · INTREN · Jul 21, 2026