Experience elevated urban living in this rarely available sixth-floor 1-bedroom + den at Alloy Condominiums, perfectly positioned in the heart of Assembly Row. This modern home features an open-concept kitchen with gas cooking, a spacious living area ideal for entertaining, and a private deck offering Boston skyline views—your own outdoor escape above it all. Built in 2018, Alloy delivers true full-service convenience with concierge services, a fitness center, an indoor swimming pool, and a resident lounge and terrace outfitted with gas grills, outdoor TV, and a fire pit. The primary bedroom offers custom closets and recessed lighting, while the versatile den functions beautifully as a home office or guest space. Additional highlights include in-unit laundry and central A/C. Just steps to premier shopping, dining, entertainment, and the Orange Line, this home blends lifestyle, location, and luxury in one unbeatable package. Rental parking is available.
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| Year | Land | Building | Total | Change |
|---|---|---|---|---|
| FY2025 | $0 | $252,074 | $252,074 | — |
| Date | Price | Book/Page |
|---|---|---|
| Dec 4, 2023 | $680,000 | 82275/593 |
| Sep 18, 2023 | $1,550,000 | 82006/0529 |
| Aug 16, 2023 | $1,100,000 | 81895/0208 |
| Jun 20, 2023 | $750,000 | 81673/0398 |
| Jun 13, 2023 | $49,000 | 81645/0467 |
| Apr 28, 2023 | $850,000 | 81474/0376 |
| Dec 23, 2022 | $1 | 81099/0060 |
| Sep 27, 2022 | $1 | 8078/0372 |
| Sep 6, 2022 | $1,020,000 | 80674/0549 |
| Jul 12, 2022 | $680,000 | 80419/0456 |
| Issued | Type / Work | Status | Value |
|---|---|---|---|
| Jul 29, 2024 |
Sheet Metal Permit
Commercial
Demolition, install new duct and connect to new and existing equipment Suite 200
By brian chase
#17054874
|
Closed | $209 |
| Jul 17, 2024 |
Electrical Permit
Commercial
relocate manual pull station approx 3 feet due to egress door being relocated.
By Kerri Silverio
#51049681
|
Closed | $90 |
| Jun 17, 2024 |
Electrical Permit
Commercial
2nd fl : Demolition for necessary fixtures and receptacles, install new fixtures, switching and receptacles per design drawings.
By Jacqueline Gorman
#14452682
|
Closed | $147 |
| May 29, 2024 |
Electrical Permit
Commercial
Disconnect 4 existing office furniture whips and install in new locations to existing floor boxes - 2nd fl
By Simon Roderiques
#14421662
|
Closed | $120 |
| May 6, 2024 |
Building Permit
Commercial Alteration
Install new conference room within existing space.
By Shane Fallon
#14280897
|
Closed | $3,035 |
| Apr 7, 2024 |
Certificate of Occupancy
Commercial
Renovate two showrooms with finishes and minor MEP renovations - Level 13
#14276604
|
Open | $208 |
| Mar 28, 2024 |
Electrical Permit
Commercial
add 1 fire alarm power supply and monitor module to power duct smoke.
By Kerri Silverio
#14269959
|
Closed | $125 |
| Mar 19, 2024 |
Electrical Permit
Commercial
Installation of low voltage wiring
By Eli B Florence
#14270630
|
Closed | $125 |
| Feb 11, 2024 |
Electrical Permit
Commercial
Relocate existing CAT6 Data cables
By Bruce Deprey
#14176652
|
Closed | $127 |
| Jan 21, 2024 |
Electrical Permit
Commercial
Install low voltage temperature controls. 4 devices. No rough wiring in walls, just final inspection needed.
By Bryan Regan
#14128211
|
Closed | $90 |
| Nov 20, 2023 |
Dumpster (Located on Street)
Dumpster Located on Street
Dumpster on Street
#13959530
|
Open | $1,700 |
| Oct 16, 2023 |
Building Permit
Commercial Renovation
Renovate two showrooms with finishes and minor MEP renovations - Level 13
By Andrew Gentile
#12321487
|
Closed | $80,668 |
| Oct 15, 2023 |
Electrical Permit
Commercial
Renovations to the existing Puma space on the 13th floor
By Ryan E Toland
#13910230
|
Closed | $536 |
| May 14, 2023 |
Electrical Permit
Commercial
Low Voltage/ Hanging a display
By Haybert Zadourian
#11607652
|
Closed | $90 |
| Apr 12, 2023 |
Electrical Permit
Commercial
Furniture wiring
By Ryan E Toland
#11526876
|
Closed | $120 |
| Apr 9, 2023 |
Certificate of Occupancy
Commercial
Certificate of Occupancy for Level 610 Office Space
#11534734
|
Open | $195 |
| Mar 28, 2023 |
Electrical Permit
Commercial
Install "1 conduit for radio on the roof of building to cabinet in comm closet for GiGstreem.
By Marcos Quiles
#11486068
|
Closed | $165 |
| Mar 21, 2023 |
Plumbing Permit
Commercial - Existing
Office Pantry Fit out
#11182470
|
Closed | $60 |
| Mar 12, 2023 |
Electrical Permit
Commercial
Low voltage HVAC Control System
By Bryan Regan
#11490330
|
Closed | $90 |
| Mar 7, 2023 |
Electrical Permit
Commercial
Low Voltage Cabling (Suite 610)
By Andrew Cunniff
#11482173
|
Closed | $109 |
| Mar 5, 2023 |
Electrical Permit
Commercial
install cellular communicator in fire command room, pipe to outside for antenna
By Frederick Davis
#11389465
|
Closed | $125 |
| Feb 21, 2023 |
Certificate of Occupancy
Commercial
Certificate of Occupancy for PNC bank
#11173954
|
Open | $195 |
| Feb 8, 2023 |
Sheet Metal Permit
Commercial
Furnish and install sheet metal only for (13) chilled beams and (6) VAV terminals. (Puma Building)
By David Larkin
#11211854
|
Open | $342 |
| Feb 7, 2023 |
Electrical Permit
Commercial
Block 5B PNC Bank - Additional Work
By Marco Sylvester
#11276912
|
Closed | $100 |
| Feb 7, 2023 |
Electrical Permit
Commercial
45 cable drops for security devices
By David Noon
#11275158
|
Closed | $160 |
| Jan 4, 2023 |
Electrical Permit
Commercial
Tenant Fitout of 6th floor
…
By Ryan E Toland
#11190202
|
Closed | $518 |
| Jan 3, 2023 |
Electrical Permit
Commercial
Installation of intrusion alarm and camera system. Cabling by others
PNC Bank
By John Medeiros
#11194371
|
Closed | $160 |
| Dec 28, 2022 |
Electrical Permit
Commercial
Install sound masking on 11th and 12th floors
By Michael Richi
#11172479
|
Closed | $439 |
| Dec 28, 2022 |
Electrical Permit
Commercial
Installation of Card Access Security Devices (100861682-04)
By Joseph Brown
#11179604
|
Closed | $92 |
| Dec 12, 2022 |
Building Permit
Commercial Alteration
Assembly Row Block 5B - Level 610 Office Space
By Pedro Vieira
#10851091
|
Closed | $40,738 |
| Dec 4, 2022 |
Electrical Permit
Commercial
connect 2 signs to existing electrical service
By Richard Pretorius
#10871766
|
Closed | $230 |
| Dec 1, 2022 |
Building Permit
Commercial Other
install 2 sets of channel letters and 8 awnings for PNC bank
By Richard Pretorius
#10850700
|
Open | $266 |
| Nov 21, 2022 |
Electrical Permit
Commercial
Installation of thirty-eight (38) Data Wiring Devices
By David Venuti
#11023305
|
Closed | $118 |
| Nov 13, 2022 |
Electrical Permit
Commercial
PNC Bank Somerville. Misc. Low Voltage HVAC Control Wiring. AG - 220846
By John Guarracino
#11009885
|
Closed | $101 |
| Nov 3, 2022 |
Electrical Permit
Commercial
Provide and install sound masking system - low voltage 4th fl
By Michael Richi
#10966380
|
Closed | $142 |
| Oct 20, 2022 |
Electrical Permit
Commercial
28 Telecom Drops on the 1st floor of 405 Grand Union Blvd
By David Noon
#10971230
|
Closed | $108 |
| Sep 28, 2022 |
Electrical Permit
Commercial
PNC bank tenant fit out
By Marco Sylvester
#10875087
|
Closed | $716 |
| Sep 8, 2022 |
Electrical Permit
Commercial
S22-791 Hub Office 455 Grand Union Blvd. Somerville - "One Zero" - Workstation Electrical - Installation of the electrical interconnections…
By John O'Mahony
#10834601
|
Closed | $95 |
| Sep 6, 2022 |
Electrical Permit
Commercial
Low voltage wires run 4th floor Suite # 400
By Jerry Fenelus
#10835329
|
Closed | $90 |
| Aug 24, 2022 |
Electrical Permit
Commercial
Low Voltage AV installation 4th fl
By Haybert Zadourian
#10836692
|
Closed | $138 |
| Aug 24, 2022 |
Electrical Permit
Commercial
Sound System Low Voltage 4 speakers 2 volume controls 1 Amplifier for PNC Bank
By John Luca
#10849778
|
Closed | $90 |
| Aug 22, 2022 |
Sheet Metal Permit
Commercial
Sheet Metal Installation per Design Documents
By Joseph Johnston
#10808371
|
Open | $950 |
| Aug 21, 2022 |
Plumbing Permit
Commercial - Existing
new bank
#10839916
|
Open | $140 |
| Aug 21, 2022 |
Electrical Permit
Commercial
150 low voltage network data cables
By Michael Sullivan
#10765657
|
Closed | $230 |
| Aug 16, 2022 |
Electrical Permit
Commercial
Install additional outlets and circuitry
By Eli B Florence
#10833248
|
Closed | $76 |
| Aug 10, 2022 |
Certificate of Occupancy
Commercial
Assembly Row Block 5B - Level 4 Office Space
#10829411
|
Open | $221 |
| Aug 9, 2022 |
Electrical Permit
Commercial
Installation of receptacles / cord caps for new equipment - 5th fl
By Brandon Jusczak
#10783190
|
Closed | $180 |
| Aug 8, 2022 |
Certificate of Occupancy
Commercial
Certificate of Occupancy Veterinary Clinic
#10756973
|
Open | $195 |
| Aug 3, 2022 |
Building Permit
Commercial Renovation
Block 5B PNC Bank Interior build-out to include: alteration to select areas, new non-load bearing partitions, doors, millwork, ceilings…
By Matthew Pentz
#10424413
|
Open | $22,325 |
| Aug 3, 2022 |
Electrical Permit
Commercial
Replace Mid Rise Busduct and 7 panels
By Eli B Florence
#10750543
|
Closed | $885 |
| Jul 18, 2022 |
Electrical Permit
Commercial
Floor boxes - 5th Fl
By Brandon Jusczak
#10763458
|
Closed | $75 |
| Jul 14, 2022 |
Certificate of Occupancy
Commercial
Assembly Row Block 5B - Level 6 Spec Office Space
#10731159
|
Open | $195 |
| Jul 11, 2022 |
Certificate of Occupancy
Commercial
Assembly Row Level 5 Tenant Fit-up
#10049295
|
Open | $377 |
| Jul 4, 2022 |
Electrical Permit
Commercial
Installation of Card Access and Camera Devices for security purposes.
By Richard A Penney
#10725639
|
Closed | $125 |
| Jun 20, 2022 |
Electrical Permit
Commercial
Bond Vet - Somerville 320 Foley St. Misc. Low Voltage HVAC Control Wiring. AP - 220740
By John A Guarracino
#10697518
|
Closed | $90 |
| Jun 20, 2022 |
Electrical Permit
Commercial
Furniture wiring 6th fl
By Ryan E Toland
#10704691
|
Closed | $77 |
| Jun 6, 2022 |
Electrical Permit
Commercial
Installation of Card Access Security System (00861682-02)
By Joseph D Brown
#10294494
|
Closed | $104 |
| Jun 6, 2022 |
Electrical Permit
Commercial
Installation of BA Security Devices 00861682-01
By Joseph D Brown
#10294467
|
Closed | $90 |
| May 8, 2022 |
Electrical Permit
Commercial
Add security door fire alarm system release relay
Floor 5
By Dennis W Mills
#10252182
|
Closed | $125 |
| May 3, 2022 |
Electrical Permit
Commercial
Installing Car Charger Receptacles
By Eli B Florence
#10100735
|
Closed | $195 |
| May 1, 2022 |
Electrical Permit
Commercial
Low voltage data wiring - 5th fl
Terminating cables installed under permit
By Michael Nicholas
#10102689
|
Closed | $90 |
| Apr 26, 2022 |
Electrical Permit
Commercial
Low Voltage - Voice/Data
By Kim Ritchea
#10242220
|
Closed | $116 |
| Apr 21, 2022 |
Electrical Permit
Commercial
Wire desk feed whips - 5th floor
By Brandon Jusczak
#10099939
|
Closed | $220 |
| Apr 21, 2022 |
Electrical Permit
Commercial
Install of 14 CCTV camera system
By BRIAN PRUDHOMME
#10101029
|
Closed | $129 |
| Apr 20, 2022 |
Electrical Permit
Commercial
Electrical repair from sprinkler damage
By Eli B Florence
#10091682
|
Closed | $120 |
| Apr 19, 2022 |
Certificate of Occupancy
Commercial
Certificate of Occupancy for new commercial office space, cafe and storage on floors 11 & 12
#10066711
|
Open | $832 |
| Apr 6, 2022 |
Plumbing Permit
Commercial - Existing
Plumbing renovation Block 5B Federal Realty Spec Suite floors 4 & 5
#9519001
|
Open | $100 |
| Apr 5, 2022 |
Electrical Permit
Commercial
Tenant Fitout
By Eli B Florence
#10047306
|
Closed | $1,079 |
| Apr 5, 2022 |
Plumbing Permit
Commercial - Existing
6th Floor Pantry renovation
#10070894
|
Closed | $60 |
| Mar 29, 2022 |
Building Permit
Commercial Other
Install one (1) 30" blade sign and one (1) channel letter set on raceway based off DMA approved drawings
By Domenic Venturelli
#9975805
|
Open | $256 |
| Mar 29, 2022 |
Electrical Permit
Commercial
Ground Fault breaker installation 11&12th floor panels
By Ryan E Toland
#10056824
|
Closed | $60 |
| Mar 13, 2022 |
Electrical Permit
Commercial
Install (50) cat6 data cables
6th floor
#10029652
|
Closed | $130 |
| Mar 6, 2022 |
Electrical Permit
Commercial
Tenant Fitout of 6th floor
By Ryan E Toland
#10018845
|
Closed | $870 |
| Feb 28, 2022 |
Building Permit
Commercial New Construction
Assembly Row Block 5B - Level 6 Spec Office Space
By Jacob McManus
#9578074
|
Open | $34,880 |
| Feb 23, 2022 |
Electrical Permit
Commercial
Install wiring within office cubicles on 11th and 12th floors for Bluebird Bio
By Thomas Newton
#9970441
|
Closed | $315 |
| Feb 17, 2022 |
Plumbing Permit
Commercial - New
Plumbing piping and fixtures at Bond Vet
#9968168
|
Closed | $380 |
| Feb 15, 2022 |
Electrical Permit
Commercial
Audio Visual Install
By John Federico
#9965780
|
Closed | $145 |
| Feb 8, 2022 |
Electrical Permit
Commercial
security system/ access and video (11th fl)
By Jyll DeHoyos
#9591055
|
Closed | $197 |
| Feb 7, 2022 |
Electrical Permit
Commercial
Installation 400a meter sockets for tenant metering on floors 4,5 & 6
By Craig Souza
#9954254
|
Closed | $270 |
| Feb 6, 2022 |
Electrical Permit
Commercial
Installation 400a meter sockets for tenant metering on floors 2 , 3
By Eli B Florence
#9587105
|
Closed | $270 |
| Jan 31, 2022 |
Plumbing Permit
Commercial - Existing
Plumbing Work (11th & 12th Floors)
#9740871
|
Open | $80 |
| Jan 30, 2022 |
Electrical Permit
Commercial
security system 11th fl
By Jyll DeHoyos
#9581860
|
Closed | $185 |
| Jan 18, 2022 |
Electrical Permit
Commercial
Wire and install Heat trace
By Christopher Orgettas
#9721410
|
Closed | $90 |
| Jan 17, 2022 |
Building Permit
Commercial New Construction
Dark Box work for Block 5B - space 530,
See B20-001576 for all documents and fees paid
By Greg Toppi
#8315238
|
Open | — |
| Jan 17, 2022 |
Building Permit
Commercial Renovation
Application for an Interior tenant Improvement for a veterinary clinic (boarding services not provided) Includes: Change of Occupancy (M)…
By Nicholas Gamache
#9453432
|
Open | $19,565 |
| Jan 13, 2022 |
Electrical Permit
Commercial
Install low voltage temperature controls on floors 4,5 & 6. 48 points/devices
By Emily Lima
#9587803
|
Closed | $128 |
| Dec 5, 2021 |
Electrical Permit
Commercial
Low Voltage Data
By Dave Horsfall
#9485617
|
Closed | $118 |
| Nov 17, 2021 |
Electrical Permit
Commercial
Install low voltage temperature control system on floors 11 & 12. 34 Devices/Points
By Bryan Regan
#9467608
|
Closed | $114 |
| Nov 17, 2021 |
Electrical Permit
Commercial
Low Voltage Cabling
By Matt Ransom
#9467410
|
Closed | $1,080 |
| Nov 16, 2021 |
Dumpster (Located on Street)
Dumpster Located on Street
Dumpster on Street for Interior fit-up of core and shell space to new commercial office space
#9399785
|
Open | $2,200 |
| Nov 16, 2021 |
Electrical Permit
Commercial
Installation of electrical devices, lighting, fire alarm, for two floors of office space.
By Eli B Florence
#9451273
|
Closed | $833 |
| Nov 15, 2021 |
Plumbing Permit
Commercial - Existing
Plumbing Work
#9458090
|
Open | $280 |
| Nov 15, 2021 |
Plumbing Permit
Commercial - Existing
PLMG Work
#9459712
|
Open | $80 |
| Nov 8, 2021 |
Building Permit
Commercial Alteration
Assembly Row Block 5B - Level 4&5 Spec Office
By Jacob McManus
#9354207
|
Open | $83,968 |
| Nov 2, 2021 |
Electrical Permit
Commercial
Tenant Fitout of floors 11&12 Bluebird Bio
By Ryan E Toland
#9396371
|
Closed | $3,688 |
| Oct 31, 2021 |
Building Permit
Commercial Renovation
Bluebird Bio
Interior fit-up of core and shell space top new commercial office space on floors 11 & 12 of existing building
By Michael Belanger
#9043556
|
Closed | $209,588 |
| Oct 26, 2021 |
Certificate of Occupancy
Commercial
Assembly Row Block 5B - Level 2 & 3 Spec Office
#9103496
|
Open | $338 |
| Oct 7, 2021 |
Certificate of Occupancy
Commercial
Certificate of Occupancy for all (5) Puma Floors, these include floors 7, 8, 9, 10 & 13. Office Space & Conference Rooms < 49 occ. -…
#8868397
|
Open | $234 |
| Sep 7, 2021 |
Building Permit
Commercial New Construction
Storefront work only for Block 5B - space 528,
See B20-001576 for all documents and fees paid
By Greg Toppi
#8315232
|
Open | — |
| Jul 15, 2021 |
Certificate of Occupancy
Commercial
Certificate of occupancy for core and shell space top new commercial office space
Temporary for floors 9 & 10 (58,262 sq ft)
#8296598
|
Open | $1,963 |
This property sold for 7.4% below the original asking price.
With only 27 days on market, this was a quick sale compared to typical market conditions.
Based on 5 similar properties sold within 0.5 miles in the last 90 days
This property sold for significantly more per square foot than similar nearby properties, suggesting premium features or condition.
Assembly Square
375 Canal St # 603, Somerville MA 02145
Somerville, MA 02145
School information not available for this location.
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 12/29/2025 | ✓ Sold | - | - | - | Property sold |
| 11/17/2025 | 🏠 Listed for Sale | $799,000 | - | - | Original listing |
| 11/17/2025 | 🏠 Listed for Sale | $799,000 | - | - | Original listing |
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