94559 Property Tax Rate
Napa, California · Part of Napa County
Effective Tax Rate
0.71%
27.9% above state avgMedian Annual Tax
$6,267
$522/mo escrow
Estimate Your Tax
Annual Tax
$6,267
Monthly
$522
Eff. Rate
0.71%
Buyer decision brief
What ZIP 94559 means for your housing budget
Use this ZIP page to compare recurring tax burden before you compare listing prices. The numbers below are Census ZCTA estimates, so they are strongest for neighborhood comparison and weakest for parcel-specific tax planning.
Monthly escrow signal
$522/mo
Based on median annual tax paid
State context
0.02 percentage points above the California average
California average: 0.69%
Data confidence
High confidenceThe Census margin of error is $351, about 6% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Napa County assessor.
- Check homestead, senior, veteran, and disability exemptions.
- Ask whether purchase triggers reassessment or value-cap reset.
- Review school district and special assessment boundaries.
Lower-rate similar ZIPs
This is informational content, not tax, legal, or mortgage advice. Local assessor records remain the source of truth for a specific property.
Data confidence ledger
Can you trust ZIP 94559 for comparison?
ACS vintage
2019-2023 ACS 5-Year Estimates
Five-year Census ZCTA estimates.
ZCTA caveat
Census area, not parcel boundary
USPS ZIP routes and taxing districts can differ inside the same area.
Field completeness
3/3 required fields
Median tax, home value, and derived rate are present.
MOE status
Strong ACS confidence
$351 tax MOE, 6% of the median tax estimate.
Last site refresh
March 10, 2026
Dataset and page-quality audit run locally before publication.
County fallback
County advisory available
Napa County is used for assessor verification and broader context.
Tax bill anatomy
What can change your actual bill in ZIP 94559
Use the ZIP estimate to compare neighborhoods, then verify these parcel-level inputs before relying on a payment estimate.
Assessed value
The ZCTA median home value is $877,100, but your bill starts with the local assessed value for a specific parcel.
Effective rate
The displayed rate is 0.71%, derived from median tax paid divided by median home value.
Exemptions
Homestead, senior, veteran, disability, and local exemptions can reduce taxable value. Confirm eligibility before estimating escrow.
Reassessment
A purchase can change assessed value depending on California and county rules. Ask how sale price affects the next assessment cycle.
Escrow impact
The median tax paid in this ZCTA equals about $522 per month before insurance, HOA dues, or special assessments.
Assessor verification
Napa County assessor or tax collector records are the source of truth for parcel taxes, appeal windows, and exemptions.
How ZIP 94559 Compares
Median Annual Property Tax
ZIP 94559
0.71%
Effective rate
California Avg
0.69%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in California
Higher than 61% of ZIP codes in California(61th percentile, 1,562 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 94559
Property owners in ZIP code 94559 (Napa, California) pay a median of $6,267/year in property taxes on homes valued at $877,100. This translates to an effective tax rate of 0.71%, which is near the California state average of 0.69%.
The monthly property tax burden for a median-valued home in 94559 is approximately $522, which factors into escrow payments on mortgages. This ZIP code is located within Napa County. This is $1,367 more than the California average of $4,900/year.
Compared to similar ZIP codes in California, 94559 has higher property taxes. ZIP codes with similar effective rates include 96137 (0.71%) and 93601 (0.71%).
In Napa, property taxes represent approximately 6.2% of the median household income of $100,559, providing context for the relative tax burden on homeowners in this area.
Under California's Proposition 13, your purchase price becomes your assessed value at close of escrow, with taxes limited to 1% of that amount and only 2% annual growth thereafter. Napa County's Homeowners' Exemption reduces assessed value by $7,000—file with the Napa County Assessor within 30 days of closing to apply this exemption to your tax bill. Contact the Napa County Assessor's office to obtain your Preliminary Assessment Notice and confirm both your base year value and that your homeowner exemption was recorded.
Frequently Asked Questions
What is the property tax rate in ZIP code 94559?
How much are property taxes in Napa, CA (94559)?
How does ZIP 94559 compare to the California average?
What is the median home value in ZIP 94559?
What county is ZIP code 94559 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$351. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 94559 is part of Napa County, California. View the full county profile for broader context and more data.
View Napa County on TaxByCounty →Explore Napa, CA
View all 2 ZIP codes in Napa with property tax comparisons.
View Napa Property Tax Rates →Why compare these ZIPs?
Better comparison set for ZIP 94559
Each ZIP highlights a homebuyer tradeoff: lower rate, stronger value context, shared county rules, city boundary changes, or nearby missing data.
94558
Napa, CA
0.04 percentage points lower than ZIP 94559.
Rate
0.67%
Tax
$5,758
Quality
96
94574
Saint Helena, CA
0.28 percentage points lower than ZIP 94559.
Rate
0.43%
Tax
$8,135
Quality
84
94599
Yountville, CA
0.22 percentage points lower than ZIP 94559.
Rate
0.50%
Tax
$3,778
Quality
74
94576
Deer Park, CA
0.19 percentage points lower than ZIP 94559.
Rate
0.53%
Tax
$5,586
Quality
74
90049
Los Angeles, CA
0.21 percentage points lower than ZIP 94559.
Rate
0.50%
Tax
$10,001
Quality
82
90077
Los Angeles, CA
0.21 percentage points lower than ZIP 94559.
Rate
0.50%
Tax
$10,001
Quality
82
90210
Beverly Hills, CA
0.21 percentage points lower than ZIP 94559.
Rate
0.50%
Tax
$10,001
Quality
77
90211
Beverly Hills, CA
0.21 percentage points lower than ZIP 94559.
Rate
0.50%
Tax
$10,001
Quality
77
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.
Estimates are informational only and should not be used as financial or legal advice.