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Cityside One 1075 Main St 6,550 - 65,934 SF of 4-Star Office Space Available in Waltham, MA 02451

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HIGHLIGHTS

  • 4 Stops to Downtown Boston via MBTA
  • 9 Minutes to Mass Pike 3.5/ 1,000 SF Indoor Parking Garage
  • 15 Minute Intervals for Shuttles to Boston

ALL AVAILABLE SPACES(4)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 1st Floor
  • 9,025 SF
  • Negotiable
  • $47.46 CAD/SF/YR $3.96 CAD/SF/MO $428,338 CAD/YR $35,695 CAD/MO
  • Office
  • Partial Build-Out
  • Now
  • Listed rate may not include certain utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Partially Built-Out as Standard Office
  • 1st Floor
  • 6,550 SF
  • Negotiable
  • $50.25 CAD/SF/YR $4.19 CAD/SF/MO $329,158 CAD/YR $27,430 CAD/MO
  • Office
  • Full Build-Out
  • 2026-10-01
  • Listed rate may not include certain utilities, building services and property expenses
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 1st Floor
  • 9,859 SF
  • Negotiable
  • $47.46 CAD/SF/YR $3.96 CAD/SF/MO $467,921 CAD/YR $38,993 CAD/MO
  • Office
  • -
  • 2026-01-01
  • Listed rate may not include certain utilities, building services and property expenses
  • 4th Floor
  • 40,500 SF
  • Negotiable
  • $53.04 CAD/SF/YR $4.42 CAD/SF/MO $2,148,321 CAD/YR $179,027 CAD/MO
  • Office
  • Partial Build-Out
  • 2026-01-01
  • Listed rate may not include certain utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Partially Built-Out as Standard Office
Space Size Term Rental Rate Space Use Condition Available
1st Floor 9,025 SF Negotiable $47.46 CAD/SF/YR $3.96 CAD/SF/MO $428,338 CAD/YR $35,695 CAD/MO Office Partial Build-Out Now
1st Floor 6,550 SF Negotiable $50.25 CAD/SF/YR $4.19 CAD/SF/MO $329,158 CAD/YR $27,430 CAD/MO Office Full Build-Out 2026-10-01
1st Floor 9,859 SF Negotiable $47.46 CAD/SF/YR $3.96 CAD/SF/MO $467,921 CAD/YR $38,993 CAD/MO Office - 2026-01-01
4th Floor 40,500 SF Negotiable $53.04 CAD/SF/YR $4.42 CAD/SF/MO $2,148,321 CAD/YR $179,027 CAD/MO Office Partial Build-Out 2026-01-01

1st Floor

Size
9,025 SF
Term
Negotiable
Rental Rate
$47.46 CAD/SF/YR $3.96 CAD/SF/MO $428,338 CAD/YR $35,695 CAD/MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

1st Floor

Size
6,550 SF
Term
Negotiable
Rental Rate
$50.25 CAD/SF/YR $4.19 CAD/SF/MO $329,158 CAD/YR $27,430 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
2026-10-01

1st Floor

Size
9,859 SF
Term
Negotiable
Rental Rate
$47.46 CAD/SF/YR $3.96 CAD/SF/MO $467,921 CAD/YR $38,993 CAD/MO
Space Use
Office
Condition
-
Available
2026-01-01

4th Floor

Size
40,500 SF
Term
Negotiable
Rental Rate
$53.04 CAD/SF/YR $4.42 CAD/SF/MO $2,148,321 CAD/YR $179,027 CAD/MO
Space Use
Office
Condition
Partial Build-Out
Available
2026-01-01

1st Floor

Size 9,025 SF
Term Negotiable
Rental Rate $47.46 CAD/SF/YR
Space Use Office
Condition Partial Build-Out
Available Now

  • Listed rate may not include certain utilities, building services and property expenses
  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout

1st Floor

Size 6,550 SF
Term Negotiable
Rental Rate $50.25 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available 2026-10-01

  • Listed rate may not include certain utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition

1st Floor

Size 9,859 SF
Term Negotiable
Rental Rate $47.46 CAD/SF/YR
Space Use Office
Condition -
Available 2026-01-01

  • Listed rate may not include certain utilities, building services and property expenses

4th Floor

Size 40,500 SF
Term Negotiable
Rental Rate $53.04 CAD/SF/YR
Space Use Office
Condition Partial Build-Out
Available 2026-01-01

  • Listed rate may not include certain utilities, building services and property expenses
  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout

PROPERTY OVERVIEW

Welcome to Cityside, a premier, first-class office destination on the connected side of Waltham. Completely reimagined from the inside out. Cityside offers everything today’s workforce demands – from world-class amenities inside to a fully connected, urban environment outside. Step inside a modern business center that has everything your workforce demands, all within a completely reimagined, premiere complex – even our parking is inside. New Fitness Center with Sky Panels. On-site Locker Rooms and Showers, Window-lined Cafe with Banquette Seating, WiFi Enabled Lounges and Common Spaces. Cityside encourages the full-on experience. With Waltham's award-winning restaurant scene, dozens of shops within walking distance, and commuter-friendly location, tenants can take enjoy their days both inside and outside of work. Outdoor Plaza with Ample Green Space, Covered Parking Garage and Surface Parking.

  • Atrium
  • Bus Line
  • Conferencing Facility
  • Courtyard
  • Fitness Center
  • Food Service
  • Signage
  • Skylights
  • Shower Facilities
  • Outdoor Seating

PROPERTY FACTS

Building Type
Office
Year Built/Renovated
1991/2018
LoopNet Rating
4 Star
Building Height
4 Stories
Building Size
186,827 SF
Building Class
A
Typical Floor Size
46,538 SF
Unfinished Ceiling Height
12’
Parking
Surface Parking
654 Covered Parking Spaces

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 2nd
  • Adobe
  • Information
  • 3rd
  • Beasley Media Group
  • Information
  • 1st
  • Cricket Café
  • Accommodation and Food Services
  • 1st
  • Cricket Holdings Llc
  • Management of Companies and Enterprises
  • 2nd
  • Foster Dykema Cabot & Partners
  • Finance and Insurance
  • 1st
  • inkhouse
  • Professional, Scientific, and Technical Services
  • 1st
  • Kahn Litwin Renza & Co Ltd
  • Professional, Scientific, and Technical Services
  • 1st
  • Massachusetts Life Sciences Center
  • Finance and Insurance
  • 1st
  • Radancy
  • Information
  • 4th
  • Walker Consultants
  • Professional, Scientific, and Technical Services
Walk Score®
Very Walkable (76)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 35846002

  • Date on Market: 2025-09-30

  • Last Updated:

  • Address: 1075 Main St, Waltham, MA 02451

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