Property Tax Calculator for San Juan County

Property Tax Landscape in San Juan County

San Juan County stands out within Washington with a 0.569% effective rate — well below the state average of 1.04%. The gap saves roughly $3,422 per year on a median-priced home, a substantial amount when compounded over the life of a mortgage. Counties in this tier often fund services through alternative revenue: sales tax, state transfers, tourism, or commercial tax base. For buyers who plan to hold long-term, the cumulative savings versus higher-tax counties in Washington can run into the tens of thousands. Escrow will still adjust with assessments, but the baseline rate offers a structurally lower carrying cost. Within Washington, San Juan County ranks as the 1th lowest of 39 counties by effective property tax rate.

San Juan County's median home value of $726,500 falls roughly in line with the Washington state median. This is a balanced market — neither stretched at the top nor unusually affordable at the bottom. Buyers see a mix of entry-level homes, mid-range move-up inventory, and occasional higher-end listings. Financing flexibility is broad: conventional, FHA, VA, and USDA programs all apply depending on the buyer's profile and the property's location. For budgeting, the county-level median gives a reasonable anchor, though actual pricing varies block by block. Long-term ownership here typically follows the broader regional market rather than running far ahead or behind it. Median household income in San Juan County runs below the Washington state average at $83,682. Buyers here often rely on FHA, USDA, or state down-payment assistance programs to make the numbers work. The price-to-income ratio of 8.7x signals a market where buyers stretch to enter — households at the median allocate a larger share of take-home pay toward housing than in most US markets. Median gross rent runs $1,413 per month, giving renters a baseline to compare against ownership costs in the same market.