Quick answer
Santa Clara County property tax estimate for mortgage planning
Santa Clara County property taxes vary by assessed value, exemptions, voter-approved assessments, local charges, and supplemental bills. This estimator uses a county-level effective-rate assumption to help borrowers estimate annual property tax and monthly escrow for mortgage planning.
Last reviewed:
| Input | Value | Mortgage-planning impact |
|---|---|---|
| Average effective property tax rate | 1.10% | Used to estimate annual tax before dividing into monthly escrow. |
| Median home value assumption | $1,650,000 | Starting value for a planning estimate, not a property-specific assessment. |
| Estimated annual property tax | $18,150 | Adds to annual housing cost and reserve planning. |
| Estimated monthly escrow | $1,513/mo | Included in PITI and reviewed in debt-to-income qualification. |
| Source or update note | Last reviewed June 5, 2026 | Uses county-level planning assumptions for mortgage education. |
| Why actual tax bill may differ | Assessed value, exemptions, bonds, special assessments, and supplemental bills can change the final amount. | Borrowers should verify parcel-specific taxes before locking a purchase budget. |
Property Details
Santa Clara County median: $1,650,000
Santa Clara County average: 1.100%
California Property Tax Note
California Proposition 13 caps the base property tax rate at 1% of assessed value at purchase, plus voter-approved local bonds and assessments. Actual rates vary by city due to Mello-Roos and special assessments.
Your Property Tax Estimate
Annual Tax
$18,150
Monthly Tax
$1,513
Effective Rate
1.100%
Get Your Full Property Tax Estimate
See how your property taxes compare across price points and how they impact your monthly mortgage payment.
Calculations are estimates for educational purposes only. Actual property taxes depend on your county assessor's valuation, local bond measures, Mello-Roos districts, and homeowner exemptions. Contact Mo Abdel at (949) 579-2057 for a personalized mortgage analysis. NMLS #1426884 | Lumin Lending NMLS #2716106.
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City Tax Estimators in Santa Clara County
Cupertino
Los Gatos
Milpitas
Mountain View
Palo Alto
San Jose
Santa Clara
Sunnyvale
Campbell
Saratoga
Morgan Hill
Gilroy
Frequently Asked Questions
What is the average property tax rate in Santa Clara County, California?
The average effective property tax rate in Santa Clara County is 1.10% for 2026. On the median home value of $1,650,000, that equals approximately $18,150 per year or $1,513 per month.
How are property taxes calculated in Santa Clara County?
In Santa Clara County, California, property taxes start with Proposition 13's base rate of 1% of the assessed value (purchase price), plus voter-approved local bonds and Mello-Roos special assessments. The assessed value increases by a maximum of 2% per year regardless of market appreciation.
What is Mello-Roos and does it affect Santa Clara County property taxes?
Mello-Roos is a special tax district in California that funds local infrastructure and services in newer developments. Many communities in Santa Clara County have Mello-Roos assessments ranging from 0.25% to 1.5% of the home's original sale price, added on top of the base property tax. Check with Santa Clara County County Assessor for specific Mello-Roos districts.
How do property taxes affect my mortgage payment in Santa Clara County?
Property taxes are included in your monthly PITI payment (Principal, Interest, Taxes, Insurance). In Santa Clara County, the estimated $1,513/month tax escrow on a median-priced home is factored into your debt-to-income ratio by lenders. This directly affects how much home you qualify for.
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