Building permit intelligence · Boston, MA
50 Milk St has 191 municipal building permits on file in Ward 3. The latest recorded activity was a certificate of occupancy permit dated Jul 30, 2026. Permits at this address represent $25MM+ in total declared construction value. PropertyLabs also identified 22 mapped permits within 500 m of this address.
Offices, Retail, Stores, Cafe, Accessory Parking Garage &; Bank with ATM. and Accessory Fitness CenterTemporary Certificate for Offices - 20th Floor. To Expire 10/30/2026ALT1828344…
Annual Maintenance
Annual Maintenance
Fire Alarm
Fire Alarm
22 mapped permits within 500 m, shown on the intelligence map above.
6 other addresses on Milk St with municipal permit records in Boston.
This address has 191 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 2, 2026.
PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 50 Milk St is dated Jul 30, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 50 Milk St in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Fire Alarm
Fast Track Application
Fast Track Application
Electrical
Electrical
Annual Maintenance
Annual Maintenance
Annual Maintenance
Annual Maintenance
Fast Track Application
Other
Low Voltage
Fire Alarm
Electrical
Electrical
Renovations - Interior NSC
Interior 20th floor work includes selective demolition of existing ceiling grid and tile to build demising wall and rework of existing MEPs.
Fast Track Application
Plumbing
Fire Alarm
Electrical
Fast Track Application
Electrical
Fast Track Application
Low Voltage
Other
Plumbing
Electrical
Fast Track Application
Interior/Exterior Work
Signs
Electrical
Plumbing
Wire new bathroom floor 17
Build a unisex single-stall restroom on 17th floor
Relocating 2 CCTV cameras
Install four seperate 20 amp circuit
Install ten 2bye 2 fixtures with one switch three outlets
Electrical testing and maintenance of main electrical distribution equipment
Commercial Security System.
Installation of CCTV security devices at Booz Allen 50 Milk St Ground Floor Boston MA 02109 (8-60123-06)
Install cameras and internet white noise
renovation to 16th floor office space
Installing new speaker/strobes in tenant space on the 16th floor. (CIC)
Renovations to 16th floor office space to include selective removal of finishes,convert open office area into corridor with 3 new offices for "CIC". Install new finishes, relocate…
Replace the existing panel and transformer with a double 84 circuit tub and a new transformer. Wire furniture feeds.
Install wiring within office cubicles on 5th floor for Level Up
Reconnect electric heaters install six circuits first floor cafe
install 28 new data jacks
Renovation of "pantry area" on 13th floor consisting of relocated lighting, switching and power. Addition of 12 work stations.
Interior renovation of office space on the 13th floor- No fire Alarm, No sprinkler and no change in egress or occupancy.
Installation of Access Security device at Brown Brothers Harriman 50 Milk St Boston MA 02108 (8-61027-01)
Replace existing diesel fire pump controller.
Change Use and Occupancy of existing Café to include, ;an Accessory Community Center use (makerspace for 3d printing/arts and crafts);per plans provided within the café tenant spac…
Install New Street Light/ Cell Node
Installation of 45KV Step down transformer feeding new 150A load center and associated piping. Installation of (3) dual port EV charging stations in the parking garage located at 5…
Switchgear Replacement, Electrical Testing and Maintenance
Installation of Access security system devices at Peoples United Bank 50 Milk St Ground Floor Boston MA 02109 (8-56666-07)
HVAC CONTROL WIRING ON THE 10TH FLOOR
OFFICE TENANT FIR OUT
Offices, Retail, Stores, Cafe, Accessory Parking Garage &; Bank with ATM. and Accessory Fitness Center Temp. COO for Offices (11th Floor) to expire in 90 days on May 6, 2017, exten…
Offices, Retail, Stores, Cafe, Accessory Parking Garage &; Bank with ATM &; Accessory Fitness Center COO for Offices (10th &; 11th Floors - CIC) Alt621481 issued 10/13/2016
Network wiring for CIC on the 10th floor
10 floor tent fit out
10th floor fire
installtemp cables to get lood bank on exsiting switchboard during testing
install temp cables to get load bank on exsiing switchboard during test
Renovation of existing kitchenette and conference area on 15th floor.
Alterations to existing conference room and 2 offices to create an office suite and altering a break room to create a mother's room on the 15th floor. Work to include select demo,…
Offices, Retail, Stores, cafe, Accessory Parking Garage &; Bank with ATM &; Accessory Fitness Center COO for Offices (12th Floor) SF 647479 issued: 10/17/16 &; ALT650402 issued: 11…
Installation of new power and lighting for tenant fit out on the 12th floor
Installation of tel/data wiring for new tenant fit out on the 12th floor
Testing and maintenance of the electrical distribution equipment
Demo and Build out of existing space and restrooms on the 12th floor for tenant. Work to include all new tile work, light fixtures, electrical, fire alarm, plumbing fixtures, toile…
network wiring for CIC fro 10th and 11th floors
HVAC control wiring on the 12th floor
HVAC control wiring on the 11th floor
renovate bathrooms
Installation of security devices
inst new fire alarm devices
Preparatory demo of 12th floor space for upcoming build out for tenant. Demo/removal of drywall partitions and finishes, make safe electrical, turn up sprinkler heads for proper co…
Tenant Interior Fit-Out on 10th and 11th floors of 50 Milk Street for the Cambridge Innovation Center.
Bathroom renovation with lighting and power replacements.
new kitchen sink & heater
renovate bathrooms
11 th floor tenant fit out
11th floor fire alarm
Offices, Retail, Stores, cafe, Accessory Parking Garage &; Bank with ATM. and Accessory Fitness Center Alt576753 Certificate for offices on the;on 21st floor ALT602866 issued: 6/22…
S16-1002, connect jumpers, receptacles and base feeds for office workstation wiring.
Offices, Retail, Stores, Cafe, Accessory Parking Garage, Bank with ATM &; Accessory Fitness Center COO for Offices (20th Floor) Alt599127 issued 6/16/2016
BEGIN CONSTRUTION DEMOLITION OF NON STRUCTURAL ELEMENTS AND LAYOUT FRAMING FLOORS 10 & 11 PENDING ISSUANCE OF ALT 624481 UNDER FT REVIEW.
no work change occupancy from 68 to 121 *8th floor - B Use ;
Audio/ Visual Pre-Wire. 21st floor
Telecommunications cabling installation for Office Fit-Out on the 21st Floor of 50 Milk St. 80 tel/data locations.
Installing new plumbing for kitchen.
Installation of card access devices
fire alarm
21st floor
fire alarm
Wiring new kitchen floor 15 and installing outlets on 16 and 15
to install 1 sink, 1 mop sink, 1 wh and 1 bottle filler on the 21st floor @ 50 Milk St
Offices, Retail, Stores, Café, Accessory Parking Garage,;Bank with ATM. and Accessory and;Fitness Center doc#alt477268 Certificate for offices on the;9th floor ALT576753 issued: 4/…
Office renovation to include lighting and power installations.
Tenant fit-out on 21st floor. new DW offices,ceilings, flooring, MEP's and FA/FP work
Build out of existing 20th floor space for 3 new conference rooms and misc. storage areas. Includes all new finishes, moveable partitions, mechanical systems, sprinkler and new fir…
Demo of existing restroom on the 17th floor and renovate to include new ceilings, flooring, millwork counters, toilet partitions, plumbing fixtures and lighting. Relocate sprinkler…
wire three 5 tins ac units
voice and data wiring for SS&C
demo of 9th floor vacant office space for tenant fit out to include new offices, open area, new finishes, sprinkler and fire alarm work, hvac, electrical,
RENOVATION TO EXISTING VACANT TENANT SPACE ON THE 9TH FLOOR (SS&C)
9th floor
Offices, Retail, Stores, Cafe, Accessory Parking Garage &; Bank with ATM. and Accessory Fitness Center Certificate for offices on the 20th floor ALT532407, issued: 11/9/15 &; ALT52…
Install wiring within office cubicles on 20th floor for Booze Allen
LOW VOLTAGE AV CABLING 20TH FLOOR 50 MILK STREET
Offices, retail, stores , cafe #37, accessory parking, garage &; bank with Atm, accessory fitness center C/O- Offices 5th floor-only alt 540484 issued 11/25/15
Offices, Retail, stores, Cafe #37, Accessory Parking Garage &; Bank w/atm and accessory, Fitness Center; C/O-For;Conference Room;&; Cafe/Kitchen Area (First Floor) alt 470948 issue…
Offices, Retail, Stores, cafe, Accessory Parking Garage &; Bank with ATM. and Accessory Fitness Center COO for Offices (18th Floor) Alt493027 issued 8/19/2015 &; SF501526 issued 8/…
Offices, Retail, Stores, Cafe, Accessory Parking Garage &; Bank with ATM and Accessory Fitness Center Temp. COO for Offices (18th Floor) - to expire in 60 days on January 19, 2016…
TEL/DATA LOW VOLTAGE WIRING 40 VOICE/DATA LINES CIC AT 50 MILK STREET IN BOSTON
Installation of security system devices
HVAC control wiring on the 20th floor
HVAC control wiring on the 5th floor
renovate existing bathroom
install voice data cables
21st floor
20th floor
Renovation of the 5th floor tenant space - Lighting to remain for re-use, add power as needed and new electrical panel/transformer
Selective demo of the 21st floor with restroom renovation with new lighting
New Tenant Kitchenette
Tenant fit out. Addition of new power and lighting.
5th floor
Demolition of full floor tenant on the 21st floor to shell and core, renovations to existing restrooms.
Renovation to existing tenant space on the 5th floor for "CIC", to include new finishes, new mechanical units, sprinkler relocates, new fire alarm.
Tenant improvements
20th floor
renovation to existing vacant common area space on 20th floor
Build out of common corridor from existing shell space on the 20th floor. Work to include ACT, drywall partitions, flooring, sprinkler and fire alarm work, upgrades to HVAC, electr…
Offices, Retail, Cafe #37, Stores, Accessory Parking Garage &; Bank with ATM and Accessory Fitness Center Alt470948; Certificate of Occupancy for offices on the 13th floor/Datto AL…
Offices, Retail, Stores, Acessory Parking Garage &; Bank w/ATM C/O-For An Accessory fitness center for Tenants; 5th floor;new offices with accessory management office &; Common Are…
new sink & heater
LOW VOLTAGE TEL/DATA WORK AT CIC LOCATED AT 50 MILK STREET ON THE 18TH FLOOR JOB NUMBER 15-0306-10
Low Voltage Wiring CIC Cafe at 50 Milk Street
Offices, Retail, Café #37, Stores, Accessory Parking Garage &; Bank with ATM and Accessory Fitness Center COO Offices (6th Floor) Alt478917 issued 6/22/2015
Installation of plumbing for a café,
HVAC control wiring on the 13th floor Datto
HVAC control wiring on the 18th floor
Build out of 1st floor tenant space with new lighting and power
Interior tenant fit-out of commecercial space, 18th floor only.
Data cabling for Match Education
1st floor
Work in conjuntion with long form pending. As per plan refrence alt493027
Installation of Card Access
Build out of existing 1st floor space for CIC for a conference room and cafe/kitchen area. Work to include selective demo of finishes, new finishes, MEP upgrades, sprinkler adds/re…
HVAC control wiring on the 6th floor
RENOVATION TO EXISTING VACANT TENANT SPACE ON THE 18TH FLOOR (CIC)
RENOVATION TO EXISTING VACANT TENANT SPACE ON THE 18TH FLOOR (CIC)
new sink & heater
6th floor
New telephone and data cabling at Datto located at 50 Milk Street Boston, MA for Turner Construction
13 floor renovation of an existing office space.
renovation of existing office space, relocate existing devices as shown & add New devices as shown , 13th floor
S15-565, office workstation wiring @ 50 Milk St 13th floor.
Build out of section of 6th floor for new tenant including lighting and power
Installation of lighting and power for restroom renovations on 10, 11, 17 and 18th floors
Install wiring within office cubicles on 9th floor for SS&C
bathroom renovations
new bathroom and pantry sink
floors 10-11-17-18
6th floor
Selective demo/removal of finishes and plumbing fixtures in the 10th, 11th, 17th and 18th floor existing restrooms. install of new finishes, fixtures and lighting, includes fire al…
Tenant Improvements to an existing 6th floor space to include install of new partitions in conference room, build out of new open office area, install new finishes, MEP upgrades, s…
S15-500, office workstations at 50 Milk St 8th floor.
Amending permit # ALT477247 to remove the install of a fire alarm device that is no longer part of the scope of work per the submitted drawing. no added cost
8th floor
datto - 13th Floor -; Office renovation - Work to include :;Modification of existing offices, pantry, and conference rooms. Construct new partitions, drywall, ACT, millwork, and al…
Offices, Retail, Café #37, Stores, Accessory Parking Garage &; Bank with ATM and Accessory Fitness Center C/O-For office space;w/;pantry/kitchen area (9th Floor) alt439781 issued 1…
DCAMM / Health Policy Commission Expansion -;8th Floor -; Build out of existing Tenant space.; Install new ceiling and finishes in existing spec suite to match adjacent tenant, mep…
AmendPermit # 439781.; Remove demolition scope;of work from permit.; Life Safety systems to remain in place.;
Remove the existing membrane roofing and insulation and install new fully-adhered Sarnafil roof system.
LOW VOLTAGE WIRING AMENTIES 50 MILK STREET BOSTON - 5TH FLOOR JOB NUMBER 15-0147-10 50 DATA DEVICES
Offices, Retail, Stores, Accessory Parking Garage &; Bank with ATM. COO for Offices (14th Floor) Alt423568 issued 12/15/2014
Installation of security system
Change occupancy to include An Accessory fitness center for tenants only.;Demo of space and Build out of space for tenant on the 5th floor;new offices with accessory management off…
Installation of security system
hvac controls on the 5th floor
5th floor
Electrical Permit · ELECTRICAL · Jul 28, 2026