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Heritage Building 1345 W Mason St 452 - 3,470 SF of Office Space Available in Green Bay, WI 54303

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Highlights

  • Very High Traffic Location
  • Ample Parking
  • Utilities Included
  • Immediate Availability

All Available Spaces(5)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 2nd Floor, Ste 200
  • 700 SF
  • Negotiable
  • $17.25 /SF/YR $1.44 /SF/MO $12,075 /YR $1,006 /MO
  • Office
  • -
  • Now
  • Listed rate may not include certain utilities, building services and property expenses
  • 2nd Floor, Ste 201
  • 668 SF
  • Negotiable
  • $14.00 /SF/YR $1.17 /SF/MO $9,352 /YR $779.33 /MO
  • Office
  • -
  • Now

Suite 201 offers 668 SF of flexible office space with five private rooms and a larger central workspace, ideal for professional or small business use. Multiple exterior windows provide natural light. Layout supports private offices, meeting rooms, or support areas. Suite 201 can be combined with adjacent Suite 203 for a total of approximately 1,120 SF. Located on busy W. Mason St. with easy access to I-41, I-43, and Hwy 29, and ample on-site parking.

  • Listed rate may not include certain utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 1,120 SF of adjacent space
  • 2nd Floor, Ste 203
  • 452 SF
  • Negotiable
  • $14.00 /SF/YR $1.17 /SF/MO $6,328 /YR $527.33 /MO
  • Office
  • -
  • Now

Suite 203 offers approximately 452 SF of office space with three private rooms, including a larger main office and two additional rooms ideal for private offices, meeting space, or support areas. Exterior windows provide natural light. Functional layout with easy access from the common hallway. Suite 203 can be combined with adjacent Suite 201 to create a larger contiguous space totaling approximately 1,120 SF. Located on busy W. Mason St. with quick access to I-41, I-43, and Hwy 29, plus ample on-site parking

  • Listed rate may not include certain utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 1,120 SF of adjacent space
  • 2nd Floor, Ste 208
  • 475 SF
  • Negotiable
  • $14.00 /SF/YR $1.17 /SF/MO $6,650 /YR $554.17 /MO
  • Office
  • -
  • Now
  • Listed rate may not include certain utilities, building services and property expenses
  • Conference Rooms
  • Fully Carpeted
  • Open-Plan
  • Mostly Open Floor Plan Layout
  • Central Air and Heating
  • After Hours HVAC Available
  • 2nd Floor, Ste 209
  • 1,175 SF
  • Negotiable
  • $14.00 /SF/YR $1.17 /SF/MO $16,450 /YR $1,371 /MO
  • Office
  • Full Build-Out
  • Now
  • Listed rate may not include certain utilities, building services and property expenses
  • Conference Rooms
  • Fully Built-Out as Standard Office
  • Central Air and Heating
Space Size Term Rental Rate Space Use Condition Available
2nd Floor, Ste 200 700 SF Negotiable $17.25 /SF/YR $1.44 /SF/MO $12,075 /YR $1,006 /MO Office - Now
2nd Floor, Ste 201 668 SF Negotiable $14.00 /SF/YR $1.17 /SF/MO $9,352 /YR $779.33 /MO Office - Now
2nd Floor, Ste 203 452 SF Negotiable $14.00 /SF/YR $1.17 /SF/MO $6,328 /YR $527.33 /MO Office - Now
2nd Floor, Ste 208 475 SF Negotiable $14.00 /SF/YR $1.17 /SF/MO $6,650 /YR $554.17 /MO Office - Now
2nd Floor, Ste 209 1,175 SF Negotiable $14.00 /SF/YR $1.17 /SF/MO $16,450 /YR $1,371 /MO Office Full Build-Out Now

2nd Floor, Ste 200

Size
700 SF
Term
Negotiable
Rental Rate
$17.25 /SF/YR $1.44 /SF/MO $12,075 /YR $1,006 /MO
Space Use
Office
Condition
-
Available
Now

2nd Floor, Ste 201

Size
668 SF
Term
Negotiable
Rental Rate
$14.00 /SF/YR $1.17 /SF/MO $9,352 /YR $779.33 /MO
Space Use
Office
Condition
-
Available
Now

2nd Floor, Ste 203

Size
452 SF
Term
Negotiable
Rental Rate
$14.00 /SF/YR $1.17 /SF/MO $6,328 /YR $527.33 /MO
Space Use
Office
Condition
-
Available
Now

2nd Floor, Ste 208

Size
475 SF
Term
Negotiable
Rental Rate
$14.00 /SF/YR $1.17 /SF/MO $6,650 /YR $554.17 /MO
Space Use
Office
Condition
-
Available
Now

2nd Floor, Ste 209

Size
1,175 SF
Term
Negotiable
Rental Rate
$14.00 /SF/YR $1.17 /SF/MO $16,450 /YR $1,371 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

2nd Floor, Ste 200

Size 700 SF
Term Negotiable
Rental Rate $17.25 /SF/YR
Space Use Office
Condition -
Available Now

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

2nd Floor, Ste 201

Size 668 SF
Term Negotiable
Rental Rate $14.00 /SF/YR
Space Use Office
Condition -
Available Now

Suite 201 offers 668 SF of flexible office space with five private rooms and a larger central workspace, ideal for professional or small business use. Multiple exterior windows provide natural light. Layout supports private offices, meeting rooms, or support areas. Suite 201 can be combined with adjacent Suite 203 for a total of approximately 1,120 SF. Located on busy W. Mason St. with easy access to I-41, I-43, and Hwy 29, and ample on-site parking.

  • Listed rate may not include certain utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 1,120 SF of adjacent space

2nd Floor, Ste 203

Size 452 SF
Term Negotiable
Rental Rate $14.00 /SF/YR
Space Use Office
Condition -
Available Now

Suite 203 offers approximately 452 SF of office space with three private rooms, including a larger main office and two additional rooms ideal for private offices, meeting space, or support areas. Exterior windows provide natural light. Functional layout with easy access from the common hallway. Suite 203 can be combined with adjacent Suite 201 to create a larger contiguous space totaling approximately 1,120 SF. Located on busy W. Mason St. with quick access to I-41, I-43, and Hwy 29, plus ample on-site parking

  • Listed rate may not include certain utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 1,120 SF of adjacent space

2nd Floor, Ste 208

Size 475 SF
Term Negotiable
Rental Rate $14.00 /SF/YR
Space Use Office
Condition -
Available Now

  • Listed rate may not include certain utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Conference Rooms
  • Central Air and Heating
  • Fully Carpeted
  • After Hours HVAC Available
  • Open-Plan

2nd Floor, Ste 209

Size 1,175 SF
Term Negotiable
Rental Rate $14.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Listed rate may not include certain utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Conference Rooms
  • Central Air and Heating

Property Overview

Office suites available at The Heritage Building, 1345 W. Mason St. Upper-level spaces offer flexible layouts — from private offices to open workspace — with great natural light and a professional appearance. Building improvements include LED lighting in common areas, upgraded thermostats for improved efficiency, parking lot enhancements, a refreshed exterior monument sign, and bright LED exterior lighting for added visibility and safety. Rent includes utilities, maintenance, light cleaning, 24/7 access, use of a shared conference room, and ample on-site parking. Situated along a high-traffic stretch of Mason Street, The Heritage Building provides excellent visibility and convenient access for professional service businesses. Upper-level suites currently available.

  • Bus Line
  • Signage
  • Central Heating
  • Air Conditioning

Property Facts

Building Type
Office
Year Built
1976
Building Height
3 Stories
Building Size
22,962 SF
Building Class
C
Typical Floor Size
7,654 SF
Unfinished Ceiling Height
10’
Parking
70 Surface Parking Spaces
  • Listing ID: 27120739

  • Date on Market: 1/23/2026

  • Last Updated:

  • Address: 1345 W Mason St, Green Bay, WI 54303

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