94583 Property Tax Rate
San Ramon, California · Part of Contra Costa County
Effective Tax Rate
0.76%
92.2% above state avgMedian Annual Tax
$9,418
$785/mo escrow
Estimate Your Tax
Annual Tax
$9,418
Monthly
$785
Eff. Rate
0.76%
How ZIP 94583 Compares
Median Annual Property Tax
ZIP 94583
0.76%
Effective rate
California Avg
0.69%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in California
Higher than 75% of ZIP codes in California(75th percentile, 1,562 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 94583
Property owners in ZIP code 94583 (San Ramon, California) pay a median of $9,418/year in property taxes on homes valued at $1,234,400. This translates to an effective tax rate of 0.76%, which is 10% above the California state average of 0.69%.
The monthly property tax burden for a median-valued home in 94583 is approximately $785, which factors into escrow payments on mortgages. This ZIP code is located within Contra Costa County. This is $4,518 more than the California average of $4,900/year.
Compared to similar ZIP codes in California, 94583 has lower property taxes. ZIP codes with similar effective rates include 92374 (0.76%) and 92313 (0.76%).
In San Ramon, property taxes represent approximately 5.1% of the median household income of $184,033, providing context for the relative tax burden on homeowners in this area.
Under California's Proposition 13, your home reassesses to purchase price at sale with taxes capped at 1% and limited to 2% annual increases until the next sale. Contra Costa County offers a Homeowners' Exemption reducing assessed value by $7,000—file your claim with the Contra Costa County Assessor within 30 days of taking title. After closing, obtain your Preliminary Assessment Notice from the Contra Costa County Assessor, verify the base year value, and file any protest within 60 days if the assessed value is incorrect.
Buyer decision brief
What ZIP 94583 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
$785/mo
Based on median annual tax paid
State context
0.07 percentage points above the California average
California average: 0.69%
Data confidence
High confidenceThe Census margin of error is $445, about 5% 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.
Frequently Asked Questions
What is the property tax rate in ZIP code 94583?
How much are property taxes in San Ramon, CA (94583)?
How does ZIP 94583 compare to the California average?
What is the median home value in ZIP 94583?
What county is ZIP code 94583 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$445. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 94583 is part of Contra Costa County, California. View the full county profile for broader context and more data.
View Contra Costa County on TaxByCounty →Explore San Ramon, CA
View all 2 ZIP codes in San Ramon with property tax comparisons.
View San Ramon Property Tax Rates →Similar ZIP Codes in California
92374
+0.00%Redlands
0.76%
$3,770/yr
92313
+0.00%Grand Terrace
0.76%
$3,556/yr
91732
+0.00%El Monte
0.76%
$4,798/yr
90717
+0.00%Lomita
0.76%
$6,060/yr
96059
+0.00%Manton
0.76%
$3,231/yr
96088
+0.00%Shingletown
0.76%
$2,185/yr
95832
+0.00%Sacramento
0.76%
$2,778/yr
92545
+0.00%Hemet
0.76%
$2,559/yr
96084
+0.00%Round Mountain
0.76%
$2,118/yr
94021
-0.00%Loma Mar
0.76%
$7,772/yr
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.