Fastest-Appreciating ZIP Codes in Napa, CA (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 | 94558 | Napa, CA | $902,500 | $2,840 | 2.45% | 1.7% |
| 2 | 94503 | American Canyon, CA | $743,579 | $3,094 | 3.25% | 1.6% |
| 3 | 94599 | Yountville, CA | $1,332,260 | $4,200 | 2.46% | 1.0% |
| 4 | 94559 | Napa, CA | $799,577 | $2,819 | 2.75% | -0.4% |
| 5 | 94515 | Calistoga, CA | $1,075,677 | $2,117 | 1.53% | -1.0% |
| 6 | 94508 | Angwin, CA | $904,799 | $2,268 | 1.96% | -1.0% |
| 7 | 94567 | Pope Valley, CA | $436,844 | $2,511 | 4.48% | -1.2% |
| 8 | 94574 | Saint Helena, CA | $1,643,671 | $4,315 | 2.05% | -2.2% |
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 →