94401 Property Tax Rate
San Mateo, California · Part of San Mateo County
Effective Tax Rate
0.65%
49.2% above state avgMedian Annual Tax
$7,309
$609/mo escrow
Estimate Your Tax
Annual Tax
$7,309
Monthly
$609
Eff. Rate
0.65%
How ZIP 94401 Compares
Median Annual Property Tax
ZIP 94401
0.65%
Effective rate
California Avg
0.69%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in California
Lower than 60% of ZIP codes in California(40th percentile, 1,562 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 94401
Property owners in ZIP code 94401 (San Mateo, California) pay a median of $7,309/year in property taxes on homes valued at $1,123,300. This translates to an effective tax rate of 0.65%, which is 6% below the California state average of 0.69%.
The monthly property tax burden for a median-valued home in 94401 is approximately $609, which factors into escrow payments on mortgages. This ZIP code is located within San Mateo County. This is $2,409 more than the California average of $4,900/year.
Compared to similar ZIP codes in California, 94401 has lower property taxes. ZIP codes with similar effective rates include 91343 (0.65%) and 92057 (0.65%).
In San Mateo, property taxes represent approximately 6.0% of the median household income of $121,258, providing context for the relative tax burden on homeowners in this area.
Under California's Proposition 13, your property will be reassessed to your purchase price at close of escrow, establishing a new base year tax; annual increases are then capped at 2% until the next sale. San Mateo County's Homeowners' Exemption reduces assessed value by $7,000—file with the San Mateo County Assessor within 30 days of closing to apply. Request a Preliminary Assessment Notice from the San Mateo County Assessor before closing to confirm your estimated base year value and exemption eligibility.
Buyer decision brief
What ZIP 94401 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
$609/mo
Based on median annual tax paid
State context
0.04 percentage points below the California average
California average: 0.69%
Data confidence
High confidenceThe Census margin of error is $434, about 6% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with San Mateo 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 94401?
How much are property taxes in San Mateo, CA (94401)?
How does ZIP 94401 compare to the California average?
What is the median home value in ZIP 94401?
What county is ZIP code 94401 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$434. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 94401 is part of San Mateo County, California. View the full county profile for broader context and more data.
View San Mateo County on TaxByCounty →Explore San Mateo, CA
View all 4 ZIP codes in San Mateo with property tax comparisons.
View San Mateo Property Tax Rates →Similar ZIP Codes in California
91343
0.00%North Hills
0.65%
$4,887/yr
92057
+0.00%Oceanside
0.65%
$4,503/yr
90603
+0.00%Whittier
0.65%
$5,085/yr
94545
-0.00%Hayward
0.65%
$5,453/yr
95826
+0.00%Sacramento
0.65%
$2,875/yr
92020
+0.00%El Cajon
0.65%
$4,833/yr
92371
+0.00%Phelan
0.65%
$2,292/yr
92242
-0.00%Earp
0.65%
$873/yr
93436
-0.00%Lompoc
0.65%
$2,989/yr
95405
-0.00%Santa Rosa
0.65%
$4,870/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.