428 Westlake Ave N
Seattle WA 98109-5220

428 Westlake Building

428 Westlake Ave N Seattle WA 98109-5220

Listing #: 706581 | Status: Available | Last Modified: 4/2/2026 |

For Lease
Kelly Gaddis
  • Phone:(425) 450-1136
  • Email:kelly.gaddis@kidder.com
  • Office Name:Kidder Mathews
  • Office Phone:(208) 362-8600
  • Office Website:
Mia Ponce
Showing Instructions
  • Call Listing AgentNo
  • Use DiscretionNo
Price Information
  • Min Rent per SF$ 00.0
  • Max Rent per SF$ 00.0
  • Office Rent Min$ 00.0
  • Office Rent Max$ 00.0
  • Shell Rent Min$ 00.0
  • Shell Rent Max$ 00.0
  • Total Monthly Rent$ 00.0
  • Lease TypeNNN
  • NNN Expense$ 18.7
  • Listing StatusAvailable
  • Days on Market114
  • Asset ClassRetail
Space Information
  • Suite/Space Info
  • Currently Vacant1440
  • Frontage
  • Available SF1440
  • Divisible To1440
  • Floor Number
  • Sub Lease Terms
  • Availability Status
  • Date Available
  • Move In Terms
Retail Asset Class Info
  • Crane Count
  • Crane Tonnage0
  • Clearance Height Min
  • Clearance Height Max
  • Bay Depth
  • Second Road Front
  • Grade Level Door Count
  • Tennant Improvement Allowance
Associated Files
Building Information
  • Building StatusExisting
  • # of Buildings1
  • # of Floors6
  • # of Units
  • # of Elevators
  • Clearance Height Min
  • Clearance Height Max
  • Bay Depth
  • Total Building SF88514
  • Net Rentable Area88514
  • Total Office SF80978
  • Largest Contiguous SF
  • Lot SF19602
  • Acres0.45
Property Type
  • Property TypeOffice
  • Office TypeOther
  • InvestmentYes
  • Building ClassA
Location
  • CountyKing
  • VicinityWestlake
  • Location Description
  • Second Address
  • Cross StreetRepublican St
  • Market AreaLake Union
  • Tax ID #1983200245
  • Additional Parcels
  • ZoningSM-SLU-175/85-280
Parking Information
  • # Covered Spaces0
  • # Uncovered Spaces0
  • Total Parking Spots0
  • Parking Ratio1.6/1000
Construction
  • Year Built2004
  • Year Renovated2005
  • Completion Date
  • Roof Type
  • SprinklersYes
  • Construction TypeConcrete, Steel

Public Comments

1,440 RSF of Second Generation retail space in South Lake Union. Former AT&T Store Call broker for rates

Public Building Comments

A 6-story office building on the corner of Westlake Avenue & Republican Street. 16,000 SF typical floor plate.

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Multi-Tenant