94514 Property Tax Rate
Byron, California · Part of Contra Costa County
Effective Tax Rate
0.87%
51.5% above state avgMedian Annual Tax
$7,422
$619/mo escrow
Estimate Your Tax
Annual Tax
$7,422
Monthly
$618
Eff. Rate
0.87%
Buyer decision brief
What ZIP 94514 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
$619/mo
Based on median annual tax paid
State context
0.18 percentage points above the California average
California average: 0.69%
Data confidence
Use cautionThe Census margin of error is $5,347, about 72% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Contra Costa 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 94514 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
Very high margin of error
$5,347 tax MOE, 72% of the median tax estimate.
Last site refresh
March 10, 2026
Dataset and page-quality audit run locally before publication.
County fallback
County context only
Contra Costa County is used for assessor verification and broader context.
Tax bill anatomy
What can change your actual bill in ZIP 94514
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 $852,900, but your bill starts with the local assessed value for a specific parcel.
Effective rate
The displayed rate is 0.87%, 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 $619 per month before insurance, HOA dues, or special assessments.
Assessor verification
Contra Costa County assessor or tax collector records are the source of truth for parcel taxes, appeal windows, and exemptions.
How ZIP 94514 Compares
Median Annual Property Tax
ZIP 94514
0.87%
Effective rate
California Avg
0.69%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in California
Higher than 88% of ZIP codes in California(88th percentile, 1,562 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 94514
Property owners in ZIP code 94514 (Byron, California) pay a median of $7,422/year in property taxes on homes valued at $852,900. This translates to an effective tax rate of 0.87%, which is 25% above the California state average of 0.69%.
The monthly property tax burden for a median-valued home in 94514 is approximately $619, which factors into escrow payments on mortgages. This ZIP code is located within Contra Costa County. This is $2,522 more than the California average of $4,900/year.
Compared to similar ZIP codes in California, 94514 has lower property taxes. ZIP codes with similar effective rates include 94612 (0.87%) and 95254 (0.87%).
In Byron, property taxes represent approximately 7.6% of the median household income of $97,946, providing context for the relative tax burden on homeowners in this area.
If you're considering purchasing a home in 94514, keep in mind that property taxes are based on the assessed value assigned by the local assessor, which may differ from the purchase price. In some states, properties are reassessed at or near the sale price upon transfer of ownership. For the most current tax information for a specific property, consult Contra Costa County's tax assessor directly.
Frequently Asked Questions
What is the property tax rate in ZIP code 94514?
How much are property taxes in Byron, CA (94514)?
How does ZIP 94514 compare to the California average?
What is the median home value in ZIP 94514?
What county is ZIP code 94514 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$5,347. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 94514 is part of Contra Costa County, California. View the full county profile for broader context and more data.
View Contra Costa County on TaxByCounty →Why compare these ZIPs?
Better comparison set for ZIP 94514
Each ZIP highlights a homebuyer tradeoff: lower rate, stronger value context, shared county rules, city boundary changes, or nearby missing data.
94507
Alamo, CA
0.37 percentage points lower than ZIP 94514.
Rate
0.50%
Tax
$10,001
Quality
68
94528
Diablo, CA
0.37 percentage points lower than ZIP 94514.
Rate
0.50%
Tax
$10,001
Quality
65
94549
Lafayette, CA
0.36 percentage points lower than ZIP 94514.
Rate
0.51%
Tax
$10,001
Quality
70
94563
Orinda, CA
0.32 percentage points lower than ZIP 94514.
Rate
0.55%
Tax
$10,001
Quality
70
94506
Danville, CA
0.31 percentage points lower than ZIP 94514.
Rate
0.56%
Tax
$10,001
Quality
77
94556
Moraga, CA
0.24 percentage points lower than ZIP 94514.
Rate
0.63%
Tax
$10,001
Quality
70
94526
Danville, CA
0.24 percentage points lower than ZIP 94514.
Rate
0.63%
Tax
$10,001
Quality
77
94598
Walnut Creek, CA
0.23 percentage points lower than ZIP 94514.
Rate
0.64%
Tax
$8,310
Quality
89
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.