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Updated 2025 Tax Year

Alpine County
Property Tax Guide

Everything you need to know about property taxes in Alpine County, CA. Rates, due dates, exemptions, and how it affects your monthly payment.

10 Official Sources
8 min read
Quick Facts
Tax Rate
1.0% to 1.3% of assessed value (varies by special districts and location)
1st Due
Nov 1
2nd Due
Feb 1
Exemptions
4+ Available
Section 1

How Property Tax Works

Alpine County operates under California's property tax system established by Proposition 13, which limits the base tax rate to approximately 1% of assessed value plus voter-approved debt service and special assessments. Property taxes in Alpine County fund essential local services including schools, fire protection, general county operations, and various special districts. The county's effective tax rates typically range from 1.0% to 1.3% of assessed value, depending on your property's location and the special taxing districts that serve it.

Actual tax rates vary significantly by location within Alpine County due to different combinations of special taxing districts, school bonds, and community facilities districts (CFDs). Properties in areas with additional assessments for services like enhanced fire protection, school improvements, or infrastructure development will have higher effective rates than the base 1% rate. The Alpine County Assessor determines assessed values, while the Tax Collector handles billing and collection of property taxes.

Section 2

What Makes Up Your Tax Bill

ComponentEstimated RateDescription
Base County Tax~1.00%General county operations, schools, state-mandated services
School DistrictsVariesAdditional assessments for local school bonds and parcel taxes
Fire ProtectionVariesSpecial assessments for fire protection services
Special DistrictsVariesWater, sewer, lighting, and other local improvement districts
Bond Debt ServiceVariesVoter-approved bonds for infrastructure and facilities
Total Effective Rate1.0% - 1.3%Varies by Tax Rate Area (TRA)

Note: These rates apply to the current tax year and are estimates based on available data. Alpine County has multiple Tax Rate Areas (TRAs) with different rate combinations. Contact the Alpine County Assessor-Recorder at (530) 694-2281 or check the official tax roll for your specific property's exact rate. Rates are subject to change based on voter-approved measures and special district assessments.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Alpine County, property taxes are due in two installments:

First Installment
Nov 1
Delinquent after Dec 10
Second Installment
Feb 1
Delinquent after Apr 10
Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental taxes are additional tax bills issued when there is a change in property ownership or completion of new construction that increases the property's assessed value mid-year. When you purchase property in Alpine County or complete significant improvements, the Assessor determines the difference between the old and new assessed values and calculates a prorated tax bill for the remainder of the fiscal year (July 1 - June 30).

For example, if you purchase a home in Alpine County in January for $500,000 that was previously assessed at $300,000, you would receive a supplemental tax bill for the $200,000 increase in assessed value, prorated for January through June (6 months). At an effective rate of 1.1%, this would result in a supplemental bill of approximately $1,100 ($200,000 × 1.1% × 6/12 months). Supplemental tax bills are mailed directly to property owners and are due within 30 days of the postmark date or before the next regular installment due date, whichever is later.

Example Calculation

Example 1: $300,000 Home (Base Rate Area)

  • Market/Purchase Value: $300,000
  • Assessed Value: $300,000
  • Less: Homeowner's Exemption (if applied): -$7,000
  • Net Taxable Value: $293,000
  • Tax Rate: 1.05%
  • Annual Tax: $3,077
  • Monthly (Escrow): $256

Example 2: $600,000 Home (Moderate Special Assessments)

  • Market/Purchase Value: $600,000
  • Assessed Value: $600,000
  • Less: Homeowner's Exemption (if applied): -$7,000
  • Net Taxable Value: $593,000
  • Tax Rate: 1.15%
  • Annual Tax: $6,820
  • Monthly (Escrow): $568

Example 3: $1,000,000 Home (Higher Special District Rates)

  • Market/Purchase Value: $1,000,000
  • Assessed Value: $1,000,000
  • Less: Homeowner's Exemption (if applied): -$7,000
  • Net Taxable Value: $993,000
  • Tax Rate: 1.25%
  • Annual Tax: $12,413
  • Monthly (Escrow): $1,034

Note: Homeowner's Exemption requires annual application and reduces assessed value by $7,000, saving approximately $70-87 annually depending on your tax rate.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Alpine County require borrowers to establish an escrow account for property tax payments, especially for loans with less than 20% down payment. Your lender collects monthly escrow payments equal to 1/12th of your estimated annual property tax bill, plus a small cushion as allowed by federal law. The lender pays your property taxes directly to Alpine County on the November 1st and February 1st due dates.

Your lender will provide an annual escrow analysis statement showing the previous year's activity and any adjustments needed for the coming year. Since Alpine County property taxes can change due to Proposition 13 increases (up to 2% annually), new special assessments, or successful assessment appeals, your monthly escrow payment may be adjusted annually. You can verify that your lender paid your taxes correctly by checking with the Alpine County Tax Collector at (530) 694-2281 or online. If you pay taxes directly (without escrow), remember that California offers a small discount for early payment of the first installment.

How HonestCasa Helps
  • Understand whether your escrow is set correctly
  • See how rising taxes will change your monthly payment
  • Plan ahead instead of being surprised by "shortage" letters
Section 6

Frequently Asked Questions

Q: When are Alpine County property taxes due for the current fiscal year? A: Property taxes are due in two installments: November 1st and February 1st. The first installment becomes delinquent December 10th, and the second installment becomes delinquent April 10th if not paid by the due dates.

Q: What tax credits are available and do I need to apply? A: The main tax benefit is the Homeowner's Exemption, which reduces assessed value by $7,000 (saving $70-90 annually). You must apply for this exemption - it is not automatic. Disabled veterans may qualify for additional exemptions. Applications are typically due by February 15th each year.

Q: How does the Homeowner's Exemption work? A: This is technically an exemption that reduces your assessed value by $7,000, not a credit. You must apply annually with the Alpine County Assessor-Recorder. It does not cap assessment growth - that protection comes automatically from Proposition 13's 2% annual limit.

Q: When does the county reassess my property value? A: Alpine County reassesses properties annually as of January 1st (lien date), but Proposition 13 limits increases to 2% per year unless there's a change of ownership or new construction. Properties are physically inspected on rotating cycles.

Q: How do I appeal my property assessment? A: Assessment appeals must be filed between July 2nd and September 15th (or December 2nd if you didn't receive a notice by August 1st). File with the Alpine County Assessment Appeals Board. You'll need evidence that your property's assessed value exceeds its fair market value.

Q: What are the penalties for late property tax payments? A: A 10% penalty is added to the first installment if not paid by December 10th, and 10% plus costs are added to the second installment if not paid by April 10th. Additional penalties and potential tax sale procedures apply for extended delinquencies.

Q: Can I pay my Alpine County property taxes online? A: Contact the Alpine County Tax Collector at (530) 694-2281 to confirm current online payment options and accepted payment methods. Many California counties offer online payment systems, but availability varies by county.

Q: What special district taxes might I pay in Alpine County? A: Depending on your property location, you may pay additional taxes for fire protection districts, school bonds, community facilities districts (Mello-Roos), or other special assessments. These vary by Tax Rate Area (TRA) and are shown on your annual tax bill.

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