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State of Washington
Commercial Office Lease Agreement · Washington

Free Washington Office Space Lease Agreement Forms

Create a Washington-compliant office space lease agreement that meets all WA legal requirements. Includes state-specific provisions, required disclosures, and proper formatting for filing with your county county auditor.

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Last updated February 26, 2026

Washington Office Space Lease Agreement Overview

Washington state has no dedicated commercial landlord-tenant statute, so commercial office leases are governed primarily by contract law. The terms that parties negotiate and sign control the relationship, and Washington courts will enforce them as written with limited statutory override. This makes the quality of the written lease agreement the most important legal protection available to both landlord and tenant.

The Seattle metropolitan area, including the Eastside cities of Bellevue, Redmond, and Kirkland, operates as one of the most active commercial office markets in the country. Amazon's headquarters concentration in South Lake Union transformed that neighborhood from light industrial to premium office almost entirely within a decade, and its ripple effects continue to influence the broader market. Microsoft's Redmond campus anchors the Eastside submarket. Washington has no state income tax, which is a meaningful attraction for business formation and expansion, but the state's Business and Occupation tax on gross receipts is a significant ongoing operating cost that office tenants must factor into their financial planning. Spokane and other eastern Washington markets operate at much more modest rent levels and with greater tenant negotiating leverage.

$62.50

Filing fee

Required

Notarization

0

Witnesses required

County

Filing office

Washington Requirements

Washington has specific requirements for this type of legal document. Meeting these requirements ensures your document is accepted by the county auditor and is legally enforceable.

Washington-Specific Note

Washington has no commercial tenant protection statute. Commercial office leases are governed by contract law, and Washington courts enforce lease terms as written between sophisticated parties. Additionally, Seattle has adopted its own seismic safety ordinances that may affect older office buildings, and tenants in those buildings should ask about seismic compliance status before signing. The B&O tax applies to all Washington business activity regardless of income.

Document Requirements

  • Written Agreement: Washington's statute of frauds requires commercial leases exceeding one year to be in writing and signed by the parties
  • CAM Structure: Clearly define the base year or expense stop, what expenses are included or excluded, the audit right, and any cap on controllable expenses
  • Parking Terms: Seattle and Eastside markets treat parking very differently; specify allocation, pricing, escalation, and any transit subsidy alternatives
  • Holdover Provisions: State the holdover rate explicitly; Washington common law default of month-to-month holdover is often overridden by lease to impose a premium rate
  • Seismic Disclosure: Ask about seismic compliance for older Seattle buildings, particularly unreinforced masonry structures subject to mandatory retrofit ordinances
  • Authorized Signatures: Washington entities must sign through representatives with actual authority; include signature authority documentation for corporate and LLC landlords

How to Execute a Washington Office Space Lease

Washington commercial office leases do not require government filing to be enforceable. Parties execute the agreement directly and retain their own copies. Recording with the County Auditor is optional and used primarily for constructive notice purposes.

1

Research the Submarket and Building

Washington's office markets vary dramatically. Understand whether you are in Seattle CBD, South Lake Union, the Eastside, or a secondary market like Tacoma or Spokane, as rent levels, landlord leverage, and standard lease terms differ significantly across these areas.

2

Ask About Seismic Status for Older Buildings

If considering a pre-1980 building in Seattle, ask whether it is on the City's unreinforced masonry inventory and whether any retrofitting order is pending. A mandatory seismic retrofit during the lease term can cause significant disruption. The Washington State DNR seismic hazard zone maps can provide context.

3

Negotiate CAM, Parking, and TI Allowance

Focus negotiating attention on CAM expense caps, audit rights, the base year, parking allocation and rate escalation, and TI allowance. In a softening Seattle market or in Spokane, tenants may obtain meaningful free rent concessions and higher TI allowances than they would during peak demand periods.

4

Execute With Authorized Signatures

Both parties sign through representatives with actual authority. Washington's statute of frauds requires a written signed agreement for leases exceeding one year. Notarization is not required for enforceability but is required if you choose to record the lease with the County Auditor for constructive notice.

5

Complete Pre-Occupancy Requirements

Pay the security deposit, deliver your certificate of insurance naming the landlord as additional insured, register your business with the Washington Secretary of State if not already registered, and obtain a Washington business license. Register for B&O tax reporting with the Department of Revenue if your business has not already done so.

Washington Office Lease Tax and Cost Context

Washington has no state income tax, but the Business and Occupation tax on gross receipts and Seattle's commercial parking tax are significant cost factors for office tenants.

Cost or Tax ItemDetails
State Income TaxWashington has no state income tax, which benefits businesses operating in the state
Business and Occupation (B&O) TaxWashington's gross receipts tax applies to all business activity; rates vary by classification (retail, service, manufacturing); paid by tenant on their own revenue
Sales Tax on Commercial RentWashington does not impose retail sales tax on base commercial rent; bundled services may be treated differently
Seattle Commercial Parking TaxSeattle imposes a commercial parking tax that adds meaningful cost for office tenants who pay for parking at or near their building
Property Tax Passthrough via CAMWashington landlords routinely pass real property tax increases through to tenants; King County property tax rates affect Seattle and Eastside buildings

Sample Washington Office Space Lease Agreement

Below is a preview of our Washington-specific template. Your customized document will include all fields and provisions required for filing in any Washington county.

OFFICE SPACE LEASE AGREEMENT

STATE OF WASHINGTON

Legal Document Template

LANDLORD

Name: [Full Legal Name / Entity]
Address: [Management Office Address]
Contact: [Property Manager Name]

TENANT

Name: [Business Entity Name]
Address: [Current Business Address]
Tax ID: [EIN]
Guarantor: [If Applicable]

PREMISES

Building: [Building Name/Address]
Suite: [Number]
Floor: [Floor Number]
RSF: [Rentable Square Feet]
USF: [Usable Square Feet]

FINANCIAL TERMS

Base Rent: $[Amount]/RSF/year
TI Allowance: $[Amount]/RSF
Expense Stop: $[Amount]/RSF
Parking: [# Spaces]
Deposit: $[Amount]

Washington Office Space Lease Agreement FAQ

Answers to common questions about filing a office space lease agreement in Washington, including requirements, fees, and procedures.

Official Washington Resources

Use these official state resources to verify requirements, find your local filing office, and access government forms for Washington.

Related Washington Documents

Depending on your situation, you may need additional documents alongside your Washington office space lease agreement.

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