95403 Property Tax Rate
Santa Rosa, California · Part of Sonoma County
Effective Tax Rate
0.73%
2.2% below state avgMedian Annual Tax
$4,790
$399/mo escrow
Estimate Your Tax
Annual Tax
$4,790
Monthly
$399
Eff. Rate
0.73%
Buyer decision brief
What ZIP 95403 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
$399/mo
Based on median annual tax paid
State context
0.04 percentage points above the California average
California average: 0.69%
Data confidence
High confidenceThe Census margin of error is $282, about 6% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Sonoma 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 95403 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
$282 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
Sonoma County is used for assessor verification and broader context.
Tax bill anatomy
What can change your actual bill in ZIP 95403
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 $651,900, but your bill starts with the local assessed value for a specific parcel.
Effective rate
The displayed rate is 0.73%, 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 $399 per month before insurance, HOA dues, or special assessments.
Assessor verification
Sonoma County assessor or tax collector records are the source of truth for parcel taxes, appeal windows, and exemptions.
How ZIP 95403 Compares
Median Annual Property Tax
ZIP 95403
0.73%
Effective rate
California Avg
0.69%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in California
Higher than 68% of ZIP codes in California(68th percentile, 1,562 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 95403
Property owners in ZIP code 95403 (Santa Rosa, California) pay a median of $4,790/year in property taxes on homes valued at $651,900. This translates to an effective tax rate of 0.73%, which is 6% above the California state average of 0.69%.
The monthly property tax burden for a median-valued home in 95403 is approximately $399, which factors into escrow payments on mortgages. This ZIP code is located within Sonoma County.
Compared to similar ZIP codes in California, 95403 has lower property taxes. ZIP codes with similar effective rates include 92305 (0.73%) and 92637 (0.73%).
In Santa Rosa, property taxes represent approximately 5.1% of the median household income of $94,480, providing context for the relative tax burden on homeowners in this area.
Under California's Proposition 13, your home reassesses to the purchase price at sale, with property taxes capped at 1% of that base and only 2% annual growth allowed until the next sale. Sonoma County's Homeowners' Exemption reduces assessed value by $7,000—file your application with the Sonoma County Assessor within 30 days of closing to apply this benefit to your first bill. The Sonoma County Assessor will issue a Preliminary Assessment Notice; review it promptly and file a 60-day appeal if the base year value or exemption is incorrect.
Frequently Asked Questions
What is the property tax rate in ZIP code 95403?
How much are property taxes in Santa Rosa, CA (95403)?
How does ZIP 95403 compare to the California average?
What is the median home value in ZIP 95403?
What county is ZIP code 95403 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$282. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 95403 is part of Sonoma County, California. View the full county profile for broader context and more data.
View Sonoma County on TaxByCounty →Explore Santa Rosa, CA
View all 6 ZIP codes in Santa Rosa with property tax comparisons.
View Santa Rosa Property Tax Rates →Why compare these ZIPs?
Better comparison set for ZIP 95403
Each ZIP highlights a homebuyer tradeoff: lower rate, stronger value context, shared county rules, city boundary changes, or nearby missing data.
95405
Santa Rosa, CA
0.09 percentage points lower than ZIP 95403.
Rate
0.65%
Tax
$4,870
Quality
101
95401
Santa Rosa, CA
0.08 percentage points lower than ZIP 95403.
Rate
0.65%
Tax
$4,099
Quality
101
95407
Santa Rosa, CA
0.02 percentage points lower than ZIP 95403.
Rate
0.72%
Tax
$4,322
Quality
101
95404
Santa Rosa, CA
0.00 percentage points lower than ZIP 95403.
Rate
0.73%
Tax
$6,351
Quality
101
95412
Annapolis, CA
0.35 percentage points lower than ZIP 95403.
Rate
0.38%
Tax
$2,868
Quality
73
95439
Fulton, CA
0.29 percentage points lower than ZIP 95403.
Rate
0.44%
Tax
$3,618
Quality
76
95462
Monte Rio, CA
0.24 percentage points lower than ZIP 95403.
Rate
0.49%
Tax
$3,511
Quality
86
95421
Cazadero, CA
0.23 percentage points lower than ZIP 95403.
Rate
0.50%
Tax
$3,216
Quality
86
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.