Northgate Executive Center Seattle, WA 98125 2,197 - 56,707 SF of Office Space Available

PARK HIGHLIGHTS

  • Close freeway access
  • Ample surface parking
  • Outdoor seating
  • Direct access to Northgate Station Light Rail
  • Walk to Northgate Mall
  • Conference Facility

PARK FACTS

Total Space Available 56,707 SF
Max. Contiguous 14,934 SF
Park Type Office Park

ALL AVAILABLE SPACES(12)

Display Rental Rate as

Northgate Executive Center
155 NE 100th St - East Building
3,829 - 23,737 SF | Upon Request
Building Type/Class
Office/B
Year Built
1973
Building Size
73,373 SF
Building Height
5 Stories
Typical Floor Size
14,498 SF
Parking
201 Spaces
  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 2nd Floor, Ste 201
  • 3,829 SF
  • Negotiable
  • Upon Request
  • Office
  • Full Build-Out
  • 2026-01-01

Corner suite with six private offices, two conference rooms, and a kitchen.

  • Fully Built-Out as Standard Office
  • Fits 10 - 31 People
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 6 Private Offices
  • 4th Floor, Ste 400
  • 4,974 SF
  • Negotiable
  • Upon Request
  • Office
  • Partial Build-Out
  • Now

Available May 2024. Suite features double door glass lobby exposure, eleven private offices, a conference room, reception area, and kitchen with break area.

  • Partially Built-Out as Standard Office
  • Fits 13 - 40 People
  • 1 Conference Room
  • Double door glass lobby exposure
  • Reception area
  • Mostly Open Floor Plan Layout
  • 11 Private Offices
  • Space is in Excellent Condition
  • Kitchen with break area
  • 5th Floor, Ste 500
  • 10,283 SF
  • Negotiable
  • Upon Request
  • Office
  • -
  • 2025-05-01

Nineteen private offices, four meeting rooms, 3 conference rooms, open work area, and a break room. Can be combined with Suite 510 for a full-floor opportunity.

  • Fits 26 - 83 People
  • Can be combined with additional space(s) for up to 14,934 SF of adjacent space
  • 5th Floor, Ste 510
  • 4,651 SF
  • Negotiable
  • Upon Request
  • Office
  • Partial Build-Out
  • Now

Market ready corner suite with new building standard finishes. Configuration includes reception area, four private offices, large conference room, kitchen, two phone rooms and storage closet. Great natural light, Northeastern orientation with territorial views of Northgate Mall and transit stations.

  • Partially Built-Out as Standard Office
  • Fits 12 - 38 People
  • 1 Conference Room
  • Can be combined with additional space(s) for up to 14,934 SF of adjacent space
  • Great natural light
  • Mostly Open Floor Plan Layout
  • 4 Private Offices
  • Space is in Excellent Condition
  • Two phone rooms
  • Northeastern orientation
Space Size Term Rental Rate Space Use Condition Available
2nd Floor, Ste 201 3,829 SF Negotiable Upon Request Office Full Build-Out 2026-01-01
4th Floor, Ste 400 4,974 SF Negotiable Upon Request Office Partial Build-Out Now
5th Floor, Ste 500 10,283 SF Negotiable Upon Request Office - 2025-05-01
5th Floor, Ste 510 4,651 SF Negotiable Upon Request Office Partial Build-Out Now
Northgate Executive Center
155 NE 100th St - East Building
3,829 - 23,737 SF | Upon Request
Building Type/Class
Office/B
Year Built
1973
Building Size
73,373 SF
Building Height
5 Stories
Typical Floor Size
14,498 SF
Parking
201 Spaces

155 NE 100th St - 2nd Floor - Ste 201

Size
3,829 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2026-01-01

155 NE 100th St - 4th Floor - Ste 400

Size
4,974 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Partial Build-Out
Available
Now

155 NE 100th St - 5th Floor - Ste 500

Size
10,283 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
-
Available
2025-05-01

155 NE 100th St - 5th Floor - Ste 510

Size
4,651 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Partial Build-Out
Available
Now
Northgate Executive Center
9725 3rd Ave NE - South Building
2,197 - 30,136 SF | Upon Request
Building Type/Class
Office/B
Year Built
1979
Building Size
87,422 SF
Building Height
6 Stories
Typical Floor Size
14,570 SF
Parking
341 Spaces
  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 2nd Floor, Ste 205
  • 4,865 SF
  • Negotiable
  • Upon Request
  • Office
  • Partial Build-Out
  • Now

NW corner suite, mostly open configuration with four private offices and one conference room, and a dedicated reception area.

  • Partially Built-Out as Standard Office
  • Fits 13 - 39 People
  • 1 Conference Room
  • Can be combined with additional space(s) for up to 9,808 SF of adjacent space
  • Dedicated reception
  • Mostly Open Floor Plan Layout
  • 4 Private Offices
  • Space is in Excellent Condition
  • Corner Suite
  • 2nd Floor, Ste 207
  • 4,943 SF
  • Negotiable
  • Upon Request
  • Office
  • Partial Build-Out
  • Now

NE corner suite with mix of 8 private offices and open work space, one conference room and one storage closet, and a dedicated reception area.

  • Partially Built-Out as Standard Office
  • Fits 13 - 40 People
  • 1 Conference Room
  • Can be combined with additional space(s) for up to 9,808 SF of adjacent space
  • Dedicated reception
  • Mostly Open Floor Plan Layout
  • 8 Private Offices
  • Space is in Excellent Condition
  • Storage closet
  • 1 conference room
  • 3rd Floor, Ste 302
  • 2,197 SF
  • Negotiable
  • Upon Request
  • Office
  • Partial Build-Out
  • Now

Southern orientation with elevator lobby exposure. Open configuration with one private office.

  • Partially Built-Out as Standard Office
  • Fits 6 - 18 People
  • Space is in Excellent Condition
  • Elevator lobby exposure
  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • Southern orientation
  • Open configuration
  • 3rd Floor, Ste 303
  • 2,236 SF
  • Negotiable
  • Upon Request
  • Office
  • Partial Build-Out
  • Now

Northern views and elevator lobby exposure, with five perimeter private offices, two internal offices and open work space.

  • Partially Built-Out as Standard Office
  • Fits 6 - 18 People
  • Space is in Excellent Condition
  • Elevator lobby exposure
  • Mostly Open Floor Plan Layout
  • 7 Private Offices
  • Northern views
  • Open work space
  • 4th Floor, Ste 401
  • 9,264 SF
  • Negotiable
  • Upon Request
  • Office
  • Full Build-Out
  • Now

Private offices along the widow line with conference rooms, meeting rooms, kitchenette, and a server room across a shared hallway.

  • Fully Built-Out as Standard Office
  • Fits 24 - 75 People
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 4th Floor, Ste 410
  • 3,317 SF
  • Negotiable
  • Upon Request
  • Office
  • Partial Build-Out
  • Now

Southern facing corner suite with elevator lobby exposure, four private offices, open work space, and two conference rooms.

  • Partially Built-Out as Standard Office
  • Fits 9 - 27 People
  • 2 Conference Rooms
  • Southern facing corner suite
  • Two conference rooms
  • Mostly Open Floor Plan Layout
  • 4 Private Offices
  • Space is in Excellent Condition
  • Elevator lobby exposure
  • 6th Floor, Ste 603
  • 3,314 SF
  • Negotiable
  • Upon Request
  • Office
  • Partial Build-Out
  • 2025-07-01

Available July 2025. Southeast corner suite with seven private offices along the window line and an eighth on the interior, conference room, storage closet, kitchen, reception area, and interior open work space.

  • Partially Built-Out as Standard Office
  • Fits 9 - 27 People
  • 1 Conference Room
  • Storage Closet
  • Reception area
  • Mostly Open Floor Plan Layout
  • 7 Private Offices
  • Space is in Excellent Condition
  • Kitchen
  • Southeast corner suite
Space Size Term Rental Rate Space Use Condition Available
2nd Floor, Ste 205 4,865 SF Negotiable Upon Request Office Partial Build-Out Now
2nd Floor, Ste 207 4,943 SF Negotiable Upon Request Office Partial Build-Out Now
3rd Floor, Ste 302 2,197 SF Negotiable Upon Request Office Partial Build-Out Now
3rd Floor, Ste 303 2,236 SF Negotiable Upon Request Office Partial Build-Out Now
4th Floor, Ste 401 9,264 SF Negotiable Upon Request Office Full Build-Out Now
4th Floor, Ste 410 3,317 SF Negotiable Upon Request Office Partial Build-Out Now
6th Floor, Ste 603 3,314 SF Negotiable Upon Request Office Partial Build-Out 2025-07-01
Northgate Executive Center
9725 3rd Ave NE - South Building
2,197 - 30,136 SF | Upon Request
Building Type/Class
Office/B
Year Built
1979
Building Size
87,422 SF
Building Height
6 Stories
Typical Floor Size
14,570 SF
Parking
341 Spaces

9725 3rd Ave NE - 2nd Floor - Ste 205

Size
4,865 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Partial Build-Out
Available
Now

9725 3rd Ave NE - 2nd Floor - Ste 207

Size
4,943 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Partial Build-Out
Available
Now

9725 3rd Ave NE - 3rd Floor - Ste 302

Size
2,197 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Partial Build-Out
Available
Now

9725 3rd Ave NE - 3rd Floor - Ste 303

Size
2,236 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Partial Build-Out
Available
Now

9725 3rd Ave NE - 4th Floor - Ste 401

Size
9,264 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

9725 3rd Ave NE - 4th Floor - Ste 410

Size
3,317 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Partial Build-Out
Available
Now

9725 3rd Ave NE - 6th Floor - Ste 603

Size
3,314 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Partial Build-Out
Available
2025-07-01
Northgate Executive Center
115 NE 100th St - West Building
2,834 SF | Upon Request
Building Type/Class
Office/B
Year Built
1974
Building Size
39,763 SF
Building Height
3 Stories
Typical Floor Size
13,072 SF
Parking
109 Spaces
  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 3rd Floor, Ste 325
  • 2,834 SF
  • Negotiable
  • Upon Request
  • Office
  • Partial Build-Out
  • Now

Available October 2024. NE corner suite with a large conference room, small conference room, two interior private offices, storage room, IT room, kitchen, reception area, with window line exposure.

  • Partially Built-Out as Standard Office
  • Fits 8 - 23 People
  • 2 Conference Rooms
  • Available October 2024
  • Storage room
  • Kitchen
  • Mostly Open Floor Plan Layout
  • 2 Private Offices
  • Space is in Excellent Condition
  • NE corner suite
  • IT room
  • Reception
Space Size Term Rental Rate Space Use Condition Available
3rd Floor, Ste 325 2,834 SF Negotiable Upon Request Office Partial Build-Out Now
Northgate Executive Center
115 NE 100th St - West Building
2,834 SF | Upon Request
Building Type/Class
Office/B
Year Built
1974
Building Size
39,763 SF
Building Height
3 Stories
Typical Floor Size
13,072 SF
Parking
109 Spaces

115 NE 100th St - 3rd Floor - Ste 325

Size
2,834 SF
Term
Negotiable
Rental Rate
Upon Request
Space Use
Office
Condition
Partial Build-Out
Available
Now

SELECT TENANTS AT THIS PROPERTY

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 3rd
  • Crisis Clinic
  • -
  • 2nd
  • Engineers NW
  • -
  • 4th
  • Fallon McKinley
  • -
  • 1st
  • Fuller Seminary Northwest
  • -
  • 4th
  • Guild Mortgage
  • Finance and Insurance
  • 5th
  • Kindred At Home
  • Health Care and Social Assistance
  • 6th
  • Krohn, MacLaren, Maurer, Crollard Stephson
  • -
  • 1st
  • People Systems, Inc.
  • Professional, Scientific, and Technical Services
  • 1st
  • Washington Poison Center
  • Services
  • 5th
  • Within Reach
  • Services

PARK OVERVIEW

Northgate Executive Center is comprised of three office buildings in Seattle’s Northgate submarket. The property is situated adjacent to the Northgate light rail station and Interstate 5, providing premier access to the Seattle Metro Area.

Walk Score®
Very Walkable (71)
Transit Score®
Excellent Transit (71)
Bike Score®
Very Bikeable (77)
  • Listing ID: 24642956

  • Date on Market: 2025-03-14

  • Last Updated:

  • Address: 115 NE 100th St, Seattle, WA 98125