Mortgage rates and loan limits in Napa County, CA
In Napa County, a one-unit home loan up to $1,017,750 is a conforming loan in 2026; anything above that is a jumbo loan. Median home values across the county's ZIP codes run from $663,900 to $877,100. The rate grid below shows illustrative pricing for this county by credit score and down payment.
See all-in costs for Napa County2026 conforming loan limit
$1,017,750
High-cost area (FHFA)
Median home value, middle ZIP
$855,600
Census ACS 2023
California effective property tax
0.68%
Statewide, 2022
California average closing costs
$5,962
Statewide, 2025
Illustrative rates in Napa County, CA
As of September 30, 2026, an illustrative 30-year fixed rate in Napa County, CA is 7.25% (7.327% APR) for a 740 credit score with 20% down on a $850,000 home.
Priced September 30, 2026 from Ralo's live pricing engine for Napa County on a $850,000 home. Re-priced weekly on business days.
| Credit score | 20% down | 5% down |
|---|---|---|
| 780 | 7.125% 7.201% APR | 7.125% 7.479% APR |
| 740 | 7.25% 7.327% APR | 7.25% 7.698% APR |
| 700 | 7.49% 7.57% APR | 7.375% 7.893% APR |
| 660 | 7.625% 7.707% APR | 7.5% 8.209% APR |
Est. principal & interest
$4,639/mo
740 score, 20% down on $850,000 — taxes and insurance vary by property
15-year fixed
6.625%
6.739% APR
7/6 ARM
6.75%
6.868% APR
Rates are illustrative examples, not a loan approval, rate lock, or commitment. Actual rates depend on credit score, LTV, occupancy, lock period, and loan amount. Ralo is an automated mortgage broker — not a lender — and earns a thin commission.
2026 conforming loan limits in Napa County
FHFA designates Napa County a high-cost area, so its limits are above the national baseline of $832,750 for a one-unit home. A loan at or under the limit can be sold to Fannie Mae or Freddie Mac and is priced as a conventional conforming loan. A loan above it is a jumbo loan.
| Property | 2026 limit |
|---|---|
| One unit | $1,017,750 |
| Two units | $1,302,900 |
| Three units | $1,574,900 |
| Four units | $1,957,250 |
Source: Federal Housing Finance Agency (FHFA), conforming loan limit values for 2026.
Home values by ZIP code in Napa County
Every ZIP code in the county with Census data. Values are medians for owner-occupied homes, not listing prices.
| ZIP code | Area | Median home value | Median household income |
|---|---|---|---|
| 94558 | Napa County | $855,600 | $109,444 |
| 94559 | Napa County | $877,100 | $100,559 |
| 94503 | Napa County | $663,900 | $123,657 |
Source: US Census Bureau ACS 5-Year, 2023 five-year estimates.
Napa County mortgage questions
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