Washington · San Juan County · Local exemptions · Updated Oct 2026
San Juan County, WA property tax exemptions (2026)
The property tax breaks that are set or run locally in San Juan County, on top of Washington’s statewide rules: what each is worth here, who qualifies, where to apply and the deadline.
What is different in San Juan County
Washington's senior and disabled exemption and deferral use income limits set separately for each county. In San Juan County, for taxes due 2027-2029 you can get the exemption with combined disposable income up to $72,000 (deeper levels at $54,000 and $63,000) and the deferral up to $79,961, up from $49,000 and $51,699 for taxes due 2024-2026. Apply to the San Juan County Assessor.
Apply at
San Juan County Assessor
Phone
360-378-2172
Local breaks
Property Tax Exemption for Senior Citizens and People with Disabilities (county income thresholds), Property Tax Deferral for Senior Citizens and People with Disabilities (county deferral threshold), Property Tax Assistance for Widows or Widowers of Veterans (county income tiers)
Tax year
2027-2029 (taxes due), 2027-2029 (taxes due); 2024-2026 for comparison
Property Tax Exemption for Senior Citizens and People with Disabilities (county income thresholds)
For taxes due 2027-2029 in San Juan County: combined disposable income up to $54,000 (Threshold 1) exempts excess levies, the state school levy and regular levies on the greater of $80,000 or 80% of the home's value; $54,001 to $63,000 (Threshold 2) exempts excess levies, the state school levy and regular levies on the greater of $70,000 or 45% of value (no more than $200,000); up to $72,000 (Threshold 3) exempts excess levies and the state school levy. The home's taxable value is also frozen. For taxes due 2026 the county thresholds were $35,000 / $42,000 / $49,000.
Set by
state program, local amount
Tax year
2027-2029 (taxes due); 2024-2026 for comparison
Who qualifies
Owner-occupant who by December 31 of the assessment year is 61 or older, or 57+ and the surviving spouse/domestic partner of a prior recipient, or retired because of a disability, or (for taxes due 2027 and later) a veteran with a VA service-connected rating of 40% or more or a total disability rating; combined disposable income at or below the county Threshold 3.
Income limit
Threshold 1 $54,000, Threshold 2 $63,000, Threshold 3 $72,000 (taxes due 2027-2029; income from the year before taxes are due). Taxes due 2024-2026: $35,000 / $42,000 / $49,000.
How to apply
File the DOR application (Form 64 0002) with the Combined Disposable Income Worksheet (Form 63 0036) at the San Juan County Assessor, with proof of age or disability and income records.
Property Tax Deferral for Senior Citizens and People with Disabilities (county deferral threshold)
The state pays your property taxes and special assessments, up to 80% of your equity; repaid with 5% simple interest when the home is sold, the owner dies, or stops living there.
Set by
state program, local amount
Tax year
2027-2029 (taxes due)
Who qualifies
Owner-occupant 60 or older by December 31 of the year of filing (or 57+ surviving spouse of a participant), or retired because of a disability, with enough equity and fire/casualty insurance.
Income limit
Combined disposable income up to $79,961 (taxes due 2027-2029); $51,699 for taxes due 2024-2026.
How to apply
File Form 64 0011 with the Combined Disposable Income Worksheet at the San Juan County Assessor.
Property Tax Assistance for Widows or Widowers of Veterans (county income tiers)
State grant paying the regular and excess property taxes on the first $200,000 of value (income up to $54,000), $150,000 (up to $63,000) or $100,000 (up to $72,000), minus the value already exempted under the senior exemption. These are the 2027-2029 San Juan County thresholds; for 2026 assistance they were $35,000 / $42,000 / $49,000.
Set by
state program, local amount
Tax year
2027-2029 (taxes due); 2024-2026 for comparison
Who qualifies
Widow or widower (not remarried) of a veteran who died of a service-connected disability, was rated 100% disabled for the 10 years before death (1 year for a former prisoner of war), or died on active duty or in active training; 62 or older by December 31 of the claim year or retired because of a disability; owns and lives in the home.
Income limit
Same county thresholds as the senior exemption (RCW 84.39.010(3), (5) and (6)(b) use the RCW 84.36.383 income thresholds): $54,000 / $63,000 / $72,000 for taxes due 2027-2029; $35,000 / $42,000 / $49,000 for taxes due 2024-2026.
How to apply
Send Form 63 0023 with the Combined Disposable Income Worksheet (Form 63 0036) and the veteran's DD 214, your marriage certificate, the death certificate and a VA letter to the Washington Department of Revenue (360-534-1400). DOR advises applying for the senior exemption with the county assessor first.
Roughly what an exemption could save you a year: the value it takes off, times your tax rate.
Eligibility finder for San Juan County
Answer a few questions to see which property tax breaks may fit you. Nothing you type here is sent anywhere.
Document checklist for San Juan County
Pick the breaks you plan to apply for. You get a checklist of forms, documents, steps and deadlines to print or keep on your phone.
Questions about property tax exemptions in San Juan County
What property tax exemptions are there in San Juan County?
Washington's senior and disabled exemption and deferral use income limits set separately for each county. In San Juan County, for taxes due 2027-2029 you can get the exemption with combined disposable income up to $72,000 (deeper levels at $54,000 and $63,000) and the deferral up to $79,961, up from $49,000 and $51,699 for taxes due 2024-2026. Apply to the San Juan County Assessor. Local breaks here: Property Tax Exemption for Senior Citizens and People with Disabilities (county income thresholds); Property Tax Deferral for Senior Citizens and People with Disabilities (county deferral threshold); Property Tax Assistance for Widows or Widowers of Veterans (county income tiers).
Where do I apply for a property tax exemption in San Juan County?
San Juan County Assessor Phone: 360-378-2172 Address: 350 Court Street, Friday Harbor, WA 98250. Also: Washington Department of Revenue, Property Tax Division, which state program: sets each county's income thresholds; runs the widow/widower of veterans grant.
When is the deadline to apply in San Juan County?
Property Tax Exemption for Senior Citizens and People with Disabilities (county income thresholds): December 31 of the assessment year (December 31, 2026 for taxes due 2027); the assessor may accept late applications. Property Tax Deferral for Senior Citizens and People with Disabilities (county deferral threshold): At least 30 days before the tax is due. Property Tax Assistance for Widows or Widowers of Veterans (county income tiers): March 31 of the year the taxes are due (DOR; by law no later than 30 days before the tax is due); DOR can accept late applications.
Is there an income limit for San Juan County’s local breaks?
Property Tax Exemption for Senior Citizens and People with Disabilities (county income thresholds): Threshold 1 $54,000, Threshold 2 $63,000, Threshold 3 $72,000 (taxes due 2027-2029; income from the year before taxes are due). Taxes due 2024-2026: $35,000 / $42,000 / $49,000. Property Tax Deferral for Senior Citizens and People with Disabilities (county deferral threshold): Combined disposable income up to $79,961 (taxes due 2027-2029); $51,699 for taxes due 2024-2026. Property Tax Assistance for Widows or Widowers of Veterans (county income tiers): Same county thresholds as the senior exemption (RCW 84.39.010(3), (5) and (6)(b) use the RCW 84.36.383 income thresholds): $54,000 / $63,000 / $72,000 for taxes due 2027-2029; $35,000 / $42,000 / $49,000 for taxes due 2024-2026.
Do I have to reapply every year in San Juan County?
Property Tax Exemption for Senior Citizens and People with Disabilities (county income thresholds): At least every six years when the assessor asks; report changes sooner. Property Tax Deferral for Senior Citizens and People with Disabilities (county deferral threshold): Every year you want to defer. Property Tax Assistance for Widows or Widowers of Veterans (county income tiers): Every year.
Good to know in San Juan County
The 2027-2029 thresholds were reset under 2026 law (ESSB 6162, chapter 163, Laws of 2026) to 60%, 70% and 80% of the county median household income; apply by December 31, 2026 to use them for taxes due in 2027.
Starting with taxes due 2027, Threshold 1 exempts regular levies on the greater of $80,000 or 80% of value and Threshold 2 on the greater of $70,000 or 45% (up to $200,000) (RCW 84.36.381 as amended by 2026 c 163).
Starting with taxes due 2027, you may subtract a standard deduction of $7,500 ($7,500 more for a spouse or domestic partner) instead of itemizing allowed expenses when figuring combined disposable income (RCW 84.36.383(2), (14), as amended by 2026 c 163).
Median effective tax rate for San Juan County: U.S. Census Bureau, American Community Survey, 2020–2024 5-year estimates, county figures as published by Tax Foundation. The rate is property taxes paid divided by home value.