San Juan County, WA Average Home Price (2026)

The average home price in San Juan County, Washington is about $935,000 (the 2026 median across 8 ZIP codes, at ~$656/sq ft) — 87% more expensive than the Washington median and 224% more expensive than the typical U.S. home.

$935,000
Median home value
$656
Median price / sq ft
8
ZIP codes with data
+87%
vs Washington median

How San Juan County compares

San Juan County is relatively expensive for housing nationally: its typical home costs $935,000 against $501,000 for Washington and $289,000 for the U.S. Within the county, ZIP-level values run from about $869,000 to $1,898,000.

AreaTypical value$ / sq ft
San Juan County$935,000$656
Washington$501,000$312
United States$289,000$193

San Juan County home prices by ZIP code

The 8 most valuable ZIP codes in San Juan County (of 8 with data):

ZIP codeTypical value$ / sq ftvs county
98243 Deer Harbor$1,898,000$999+103%
98280 Orcas$1,431,000$885+53%
98286 Shaw Island$1,131,000$1349+21%
98279 Olga$938,000$496+0%
98245 Eastsound$932,000$629+0%
98222 Blakely Island$910,000$366-3%
98250 Friday Harbor$888,000$682-5%
98261 Lopez$869,000$530-7%

Home value appreciation in San Juan County

Home prices in San Juan County have risen about 100% over the last 10 years (≈7.2% a year) and +93.8% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +3.0% — still rising. A home worth $935,000 today was worth roughly $467,734 ten years ago.

+3.0%
1-year change
+51.6%
5-year change
+99.9%
10-year change
+93.8%
20-year change

See where that trend takes a specific home with the home appreciation calculator — statewide, Washington is +113.0% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.

Calculators for San Juan County

Run the numbers for San Juan County with the local rates already filled in — change any input to test your own situation.

Salary needed to buy a home in San Juan County

To buy the typical $935,000 home in San Juan County with 20% down, you need a household income of roughly $254,000 a year (about $5,940 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $302,000, because the loan is bigger and mortgage insurance kicks in.

Down paymentCash downMonthly paymentIncome needed
5% (+PMI)$46,800$7,380/mo$316,000/yr
10% (+PMI)$93,500$7,050/mo$302,000/yr
20%$187,000$5,940/mo$254,000/yr

Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.

What your budget buys in San Juan County

At about $656 per square foot, here is roughly how much home different budgets get you in San Juan County:

BudgetApprox. sizeWhat that looks like locally
$500k760 sq ftbelow the local median — condos, smaller or older homes
$600k910 sq ftbelow the local median — condos, smaller or older homes
$750k1140 sq ftaround the typical home here
$1.00M1520 sq ftaround the typical home here
$1.50M2290 sq ftabove the median — larger homes or the pricier ZIPs

Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Washington.

Estimate a specific home in San Juan County

Enter your ZIP and size for an instant estimate tailored to your exact area:

San Juan County home prices: frequently asked

What is the average home price in San Juan County, WA? +
The typical home in San Juan County, Washington is worth about $935,000 as of 2026 (the median across its 8 ZIP codes with data), at roughly $656 per square foot — 87% more expensive than the Washington median of $501,000 and 224% more expensive than the U.S. median.
What salary do you need to buy a house in San Juan County? +
For the typical $935,000 home in San Juan County, a household income of about $254,000 a year covers the payment with 20% down (a 30-year fixed at 6.5%, plus taxes and insurance, under the 28% rule). With 10% down you need roughly $302,000; with 5% down about $316,000.
Which part of San Juan County is most expensive? +
Among the ZIP codes we track, 98243 (Deer Harbor) is the priciest at about $1,898,000 and 98261 (Lopez) the most affordable at about $869,000 — a 2.2× spread inside one county.
Are home values in San Juan County going up? +
Over the last 10 years home prices in San Juan County changed about +99.9% (≈7.2% a year), and +3.0% in the latest year, according to the FHFA house price index through 2025. Over 20 years: +93.8%. Past gains are not a guarantee of future ones.

Browse all Washington cities and counties, or look up price per square foot by ZIP code nationwide.

Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.