Issaquah, WA
•
King County
Address-Specific Rates
Streamlined Sales Tax (SST) Member
98027 Sales Tax Rate 2026 - Issaquah, WA
The combined sales tax rate for Issaquah (98027, Washington) is 10.50% in 2026. Includes state (6.50%), county (0.00%), city (4.00%), and special district taxes.
Estimated Tax Range
8.90% - 10.50%
Representative Rate: 10.50%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the total combined sales tax rate for ZIP code 98027 in Issaquah, WA (King County) is 10.50%. This includes 6.50% state tax, 0.00% county tax, 4.00% city tax, and 0.00% special district tax.
Address-Specific Rates (8.90% - 10.50%)
Rates vary across this ZIP code depending on exact street address and special taxing districts.
Geographic Tax Breakdown
| Jurisdiction | Rate |
|---|---|
|
State Tax
Washington
|
6.50% |
|
County Tax
|
0.00% |
|
City Tax
|
4.00% |
|
Special / District Tax
Special District / Transportation
|
0.00% |
|
Estimated Tax Range
Rates vary across this ZIP code depending on exact street address and special taxing districts.
|
8.90% - 10.50% |
📋 State Tax Rules & Compliance Guide
Sourcing Rule:
Destination-based
Groceries & Food:
Exempt (0%)
Clothing & Apparel:
Taxable
SaaS & Digital Goods:
Fully Taxable (Digital automated services / prewritten software)
Economic Nexus Threshold:
$100,000 combined gross receipts
Geographic & Spatial Info
ZIP Code: 98027
State Code: WA
Latitude: 47.5439
Longitude: -122.0471
Interactive Sales Tax Calculator
Calculate exact sales tax and total purchase price instantly.
Address-Specific Rates
SST Member
Standard State
Rates current for 2026
$
$
Estimated Tax Range:
Combined Sales Tax Rate:
State Tax:
Combined Sales Tax Rate:
State Tax ()
County Tax ()
City Tax ()
Special / District Tax ()
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Estimated Total Range:
Total Purchase Price
Other ZIP Codes in Issaquah
❓ Frequently Asked Questions
Key questions and answers regarding sales tax rates, exemptions, and compliance.