Fastest-Appreciating ZIP Codes in Mount Vernon-Anacortes, WA (2026)

Ranked by 5-year compound annual growth in home values. Fast growth and strong cash flow rarely appear in the same ZIP — this is the other side of that trade.

# ZIP City Home value Rent Cap rate 5-yr growth
1 98232 Bow, WA $872,930 $1,944 1.74% 4.0%
2 98273 Mount Vernon, WA $571,798 $2,035 2.78% 3.9%
3 98233 Burlington, WA $544,664 $2,125 3.04% 3.7%
4 98274 Mount Vernon, WA $628,918 $2,666 3.31% 3.6%
5 98237 Concrete, WA $259,632 $1,512 4.54% 3.6%
6 98283 Rockport, WA $423,884 $1,512 2.78% 3.5%
7 98267 Marblemount, WA $218,929 $1,386 4.94% 3.4%
8 98221 Anacortes, WA $721,791 $2,649 2.86% 2.6%
9 98257 La Conner, WA $453,775 $1,386 2.38% -0.5%

Ranked from Repit’s own ZIP-level data — Zillow home values and rents, HUD fair-market rents where Zillow has no coverage, and U.S. Census vacancy. Cap rate is gross: annual rent over purchase price, before financing and expenses. Every ZIP above links to its full free page. How we calculate this →