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California Board of Equalization — Property Tax Guidance

California BOE assessment guidance and State Controller property-tax relief and tax-sale information; county assessors and tax collectors handle local claims and bills.[1]

Source checked October 26, 2026[1]

Opens this office’s own website. CountyWiki does not process applications, take payments or provide personal records.

Contact details & office locations ↓
State programme guidance. County assessors handle local assessment and exemption claims; county tax collectors handle local bills, payments and tax-defaulted sales. These are not county offices or individual eligibility determinations.Shared California state property-tax information; actual claims, local bills, sale notices and individual eligibility require the responsible agency. [1]

Online services & information

Use the links below for official services and provider information. Check each service’s instructions and service area.

California property-tax responsibilities (opens in a new tab)[2]Official instructions

Shared California state guidance. Follow the official programme conditions and the responsible county’s instructions; this entry does not establish individual eligibility or confirm an active local auction.

Before you start

Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
Secured-roll first installment is due November 1; the delinquency date is separate. [6]
Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
Secured-roll second installment is due February 1; the delinquency date is separate. [7]
Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
BOE’s regular first-installment delinquency date is December 10 at 5 p.m. or close of business, whichever is later. Read the holiday rule and your actual bill. [8]
Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
BOE’s regular second-installment delinquency date is April 10 at 5 p.m. or close of business, whichever is later. Read the holiday rule and your actual bill. [9]
Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
BOE notes that a specified date falling on Saturday, Sunday or a legal holiday generally moves to the next business day. Check the county’s notice and payment-channel cutoff. [10]
Homeowners’ exemption: state guidance and local assessor filing (opens in a new tab)[3]Official instructions

Shared California state guidance. Follow the official programme conditions and the responsible county’s instructions; this entry does not establish individual eligibility or confirm an active local auction.

Before you start

Eligibility & access · Qualifying owner-occupied principal residence
The $7,000 amount reduces taxable assessed value; it is not a $7,000 cash payment or tax-bill credit. [11]
Information & documents · County-assessor claim BOE-266
File the claim with the assessor where the property is located. The state information page is not the local application. [12]
Deadlines · First-time full exemption
BOE gives February 15 as the full-exemption filing deadline for the year; check eligibility and local filing instructions. [13]
Deadlines · Loss of exemption eligibility
Homeowners' Exemption claimants are responsible for notifying the assessor when they are no longer eligible for the exemption. December 10th is the last day to terminate the Homeowners' Exemption without penalty; the assessor should receive notice of ineligibility by that date. [14]
Proposition 19: transfer rules and filing checklists (opens in a new tab)[4]Official instructions

Shared California state guidance. Follow the official programme conditions and the responsible county’s instructions; this entry does not establish individual eligibility or confirm an active local auction.

Before you start

Information & documents · Claim after the completed transactions; not through escrow
In order to receive the Proposition 19 base year value transfer, a claim form must be filed after both transactions have been completed and you are living in the replacement home. This is not done through escrow. [18]
Information & documents · Replacement-property county assessor
Proposition 19 base year value transfer claim forms are available from and filed with the Assessor of the county where the replacement home is located. The contact information for all 58 County Assessors, is available on the BOE's website. [19]
Eligibility & access · Alternative qualifying categories at original-property sale
Under Proposition 19, a homeowner may qualify for the base year value transfer under any one of the three categories listed; the homeowner does not need to meet all three categories in order to qualify. However, the homeowner must meet at least one of the qualifications on the date that the original property is sold. [20]
Deadlines · Replacement home purchased before original home sale
BOE explains the two-year transaction window and that pre-sale replacement-home taxes are not refunded for that period; other requirements still apply. [21]
Deadlines · Disaster-related transfer timing
Proposition 19 is effective on and after April 1, 2021, and requires that a replacement home be purchased or newly constructed within two years of the sale of the original home in its damaged condition. The base year value transfer under Proposition 19 is not dependent on the date of the disaster. [22]
Information & documents · Filing checklist: Age 55 or Older
Age 55 or Older BOE-19-B Claim for Transfer of Base Year Value to Replacement Primary Residence for Persons at Least Age 55 Years Within 3 years of the date a replacement dwelling is purchased, or new construction of a replacement dwelling is completed. [23]
Information & documents · Filing checklist: Severely and Permanently Disabled
Severely and Permanently Disabled BOE-19-D and BOE-19-DC Claim for Transfer of Base Year Value to Replacement Primary Residence for Severely Disabled Persons, and Certificate of Disability Within 3 years of the date a replacement dwelling is purchased, or new construction of a replacement dwelling is completed. [24]
Information & documents · Filing checklist: Victim of Wildfire or Natural Disaster
Victim of Wildfire or Natural Disaster BOE-19-V Claim for Transfer of Base Year Value to Replacement Primary Residence for Victims of Wildfire or Other Natural Disaster Within 3 years of the date a replacement dwelling is purchased, or new construction of a replacement dwelling is completed. [25]
Availability · Scope of BOE Proposition 19 summary page
Note: The information presented is intended to provide general and summary information about Proposition 19. It is not intended to be a legal interpretation or official guidance or relied [26]
Supplemental assessments and separate tax bills (opens in a new tab)[5]Official instructions

Shared California state guidance. Follow the official programme conditions and the responsible county’s instructions; this entry does not establish individual eligibility or confirm an active local auction.

Before you start

Availability · Supplemental assessment triggers
A qualifying change in ownership or completed new construction may create supplemental bills in addition to the annual bill. [15]
Availability · Proration period
The increase (or decrease) in assessed value resulting from the reappraisal is reflected in a prorated assessment (a supplemental bill) that covers the period from the first day of the month following the supplemental event to the end of the fiscal year. A fiscal year runs from July 1 through June 30. [16]
Availability · Mortgage impound-account limitation
No. Unlike the annual tax bill, lending agencies do not receive the original or a copy of the supplemental tax bill even if they are otherwise being sent and are paying the owner's annual tax bills. Instead, supplemental bills are sent directly to the property owner as stipulated by law. When you receive a supplemental tax bill, we recommend that you either pay the bill or contact your lender to discuss who should pay the bill. [17]

Fees

Fees are quoted only when a source document supports the amount and conditions.

Fee amounts have not been reviewed for this office.

Check the official website for its current fee schedule. No fee should be assumed to be free.

Forms & documents

Official forms and document pages for this office’s services.

Forms have not been reviewed yet. Visit the official website for the current forms and instructions.

Sources & last checked5 source pages · 26 citations

Sources were checked by an AI-assisted research process. A checked website does not mean every service or fee on it has been reviewed.

  1. [1] California property tax overview (opens in a new tab)

    California State Board of Equalization · Property Tax Department: oversight of all 58 county assessors
    Source reviewed October 26, 2026

    View supporting excerpt
    The BOE's Property Tax Department acts in an oversight capacity to ensure compliance by the state's 58 County Assessors with property tax laws, regulations, and assessment issues, and is responsible for administering the assessment program of California state assessees under the BOE's jurisdiction. In addition, the department collaborates with interested parties on various property tax projects. Current and past projects are available to review on the BOE's Property Tax Projects page.
  2. [2] California property tax overview (opens in a new tab)

    California State Board of Equalization · California property-tax responsibilities
    Source reviewed October 26, 2026

    View supporting excerpt
    The BOE's Property Tax Department acts in an oversight capacity to ensure compliance by the state's 58 County Assessors with property tax laws, regulations, and assessment issues, and is responsible for administering the assessment program of California state assessees under the BOE's jurisdiction. In addition, the department collaborates with interested parties on various property tax projects. Current and past projects are available to review on the BOE's Property Tax Projects page.
  3. [3] Homeowners exemption (opens in a new tab)

    California State Board of Equalization · Homeowners’ exemption: state guidance and local assessor filing
    Source reviewed October 26, 2026

    View supporting excerpt
    To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located. The claim form, BOE-266, Claim for Homeowners' Property Tax Exemption, is available from the county assessor.
  4. [4] Proposition 19 (opens in a new tab)

    California State Board of Equalization · Proposition 19: transfer rules and filing checklists
    Source reviewed October 26, 2026

    View supporting excerpt
    Proposition 19 – The Home Protection for Seniors, Severely Disabled, Families, and Victims of Wildfire or Natural Disasters Act
  5. [5] Supplemental assessments (opens in a new tab)

    California State Board of Equalization · Supplemental assessments and separate tax bills
    Source reviewed October 26, 2026

    View supporting excerpt
    The supplemental roll provides a mechanism for placing property subject to Proposition 13 reappraisals due to change in ownership or completed new construction into immediate effect. Changes in ownership or completed new construction are referred to as 'supplemental events' and result in supplemental tax bills that are in addition to the annual property tax bill.
  6. [6] California property tax calendar (opens in a new tab)

    California State Board of Equalization · BOE calendar: property owners, secured-roll first-due
    Source reviewed October 26, 2026

    View supporting excerpt
    § 2605 Rev. & Tax. Code November 1 Property owners First installment of real property taxes and all taxes on personal property on the secured roll are due and payable.
  7. [7] California property tax calendar (opens in a new tab)

    California State Board of Equalization · BOE calendar: property owners, secured-roll second-due
    Source reviewed October 26, 2026

    View supporting excerpt
    § 2606 Rev. & Tax. Code February 1 Property owners Second installment real property taxes due and payable.
  8. [8] California property tax calendar (opens in a new tab)

    California State Board of Equalization · BOE calendar: property owners, secured-roll first-delinquent
    Source reviewed October 26, 2026

    View supporting excerpt
    §§ 2617 and 2704 Rev. & Tax. Code December 10 Property owners First installment of taxes on the secured roll, if unpaid, is delinquent at 5:00 p.m. or close of business day, whichever is later.
  9. [9] California property tax calendar (opens in a new tab)

    California State Board of Equalization · BOE calendar: property owners, secured-roll second-delinquent
    Source reviewed October 26, 2026

    View supporting excerpt
    §§ 2618 and 2705 Rev. & Tax. Code April 10 Property owners Second installment of taxes on the secured roll, if unpaid, is delinquent at 5:00 p.m., or close of business day, whichever is later.
  10. [10] California property tax calendar (opens in a new tab)

    California State Board of Equalization · BOE calendar Notes: weekend/legal-holiday rule
    Source reviewed October 26, 2026

    View supporting excerpt
    In practically all cases, the action may be done before the specified date. If the specified date falls on Saturday, Sunday, or a legal holiday, the action may be done on the next business day. (Government Code §§ 6706, 6707)
  11. [11] Homeowners exemption (opens in a new tab)

    California State Board of Equalization · Qualifying owner-occupied principal residence
    Source reviewed October 26, 2026

    View supporting excerpt
    The California Constitution provides a $7,000 reduction in the taxable value for a qualifying owner-occupied home. The home must have been the principal place of residence of the owner on the lien date, January 1st.
  12. [12] Homeowners exemption (opens in a new tab)

    California State Board of Equalization · County-assessor claim BOE-266
    Source reviewed October 26, 2026

    View supporting excerpt
    To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located. The claim form, BOE-266, Claim for Homeowners' Property Tax Exemption, is available from the county assessor.
  13. [13] Homeowners exemption (opens in a new tab)

    California State Board of Equalization · First-time full exemption
    Source reviewed October 26, 2026

    View supporting excerpt
    A person filing for the first time on a property may file anytime after the property or claimant becomes eligible, but no later than February 15 to receive the full exemption for that year.
  14. [14] Homeowners exemption (opens in a new tab)

    California State Board of Equalization · Loss of exemption eligibility
    Source reviewed October 26, 2026

    View supporting excerpt
    Homeowners' Exemption claimants are responsible for notifying the assessor when they are no longer eligible for the exemption. December 10th is the last day to terminate the Homeowners' Exemption without penalty; the assessor should receive notice of ineligibility by that date.
  15. [15] Supplemental assessments (opens in a new tab)

    California State Board of Equalization · Supplemental assessment triggers
    Source reviewed October 26, 2026

    View supporting excerpt
    The supplemental roll provides a mechanism for placing property subject to Proposition 13 reappraisals due to change in ownership or completed new construction into immediate effect. Changes in ownership or completed new construction are referred to as 'supplemental events' and result in supplemental tax bills that are in addition to the annual property tax bill.
  16. [16] Supplemental assessments (opens in a new tab)

    California State Board of Equalization · Proration period
    Source reviewed October 26, 2026

    View supporting excerpt
    The increase (or decrease) in assessed value resulting from the reappraisal is reflected in a prorated assessment (a supplemental bill) that covers the period from the first day of the month following the supplemental event to the end of the fiscal year. A fiscal year runs from July 1 through June 30.
  17. [17] Supplemental assessments (opens in a new tab)

    California State Board of Equalization · Mortgage impound-account limitation
    Source reviewed October 26, 2026

    View supporting excerpt
    No. Unlike the annual tax bill, lending agencies do not receive the original or a copy of the supplemental tax bill even if they are otherwise being sent and are paying the owner's annual tax bills. Instead, supplemental bills are sent directly to the property owner as stipulated by law. When you receive a supplemental tax bill, we recommend that you either pay the bill or contact your lender to discuss who should pay the bill.
  18. [18] Proposition 19 (opens in a new tab)

    California State Board of Equalization · Claim after the completed transactions; not through escrow
    Source reviewed October 26, 2026

    View supporting excerpt
    In order to receive the Proposition 19 base year value transfer, a claim form must be filed after both transactions have been completed and you are living in the replacement home. This is not done through escrow.
  19. [19] Proposition 19 (opens in a new tab)

    California State Board of Equalization · Replacement-property county assessor
    Source reviewed October 26, 2026

    View supporting excerpt
    Proposition 19 base year value transfer claim forms are available from and filed with the Assessor of the county where the replacement home is located. The contact information for all 58 County Assessors, is available on the BOE's website.
  20. [20] Proposition 19 (opens in a new tab)

    California State Board of Equalization · Alternative qualifying categories at original-property sale
    Source reviewed October 26, 2026

    View supporting excerpt
    Under Proposition 19, a homeowner may qualify for the base year value transfer under any one of the three categories listed; the homeowner does not need to meet all three categories in order to qualify. However, the homeowner must meet at least one of the qualifications on the date that the original property is sold.
  21. [21] Proposition 19 (opens in a new tab)

    California State Board of Equalization · Replacement home purchased before original home sale
    Source reviewed October 26, 2026

    View supporting excerpt
    As long as one transaction occurs on or after April 1, 2021, and the original home is sold within two years of the purchase of the replacement home, the base year value of the original home can be transferred to the replacement home under Proposition 19. A base year value transfer occurs as of the later of either (1) the date of sale of the original home, or (2) the purchase or completion of new construction of the replacement home. If you purchase the replacement home prior to selling your original home, you will be responsible for property taxes based on the full fair market value of the replacement home for the period between the date of purchase and date of sale. There will be no refund for this period.
  22. [22] Proposition 19 (opens in a new tab)

    California State Board of Equalization · Disaster-related transfer timing
    Source reviewed October 26, 2026

    View supporting excerpt
    Proposition 19 is effective on and after April 1, 2021, and requires that a replacement home be purchased or newly constructed within two years of the sale of the original home in its damaged condition. The base year value transfer under Proposition 19 is not dependent on the date of the disaster.
  23. [23] Proposition 19 (opens in a new tab)

    California State Board of Equalization · BOE base-year-value transfer filing checklist: Age 55 or Older
    Source reviewed October 26, 2026

    View supporting excerpt
    Age 55 or Older BOE-19-B Claim for Transfer of Base Year Value to Replacement Primary Residence for Persons at Least Age 55 Years Within 3 years of the date a replacement dwelling is purchased, or new construction of a replacement dwelling is completed.
  24. [24] Proposition 19 (opens in a new tab)

    California State Board of Equalization · BOE base-year-value transfer filing checklist: Severely and Permanently Disabled
    Source reviewed October 26, 2026

    View supporting excerpt
    Severely and Permanently Disabled BOE-19-D and BOE-19-DC Claim for Transfer of Base Year Value to Replacement Primary Residence for Severely Disabled Persons, and Certificate of Disability Within 3 years of the date a replacement dwelling is purchased, or new construction of a replacement dwelling is completed.
  25. [25] Proposition 19 (opens in a new tab)

    California State Board of Equalization · BOE base-year-value transfer filing checklist: Victim of Wildfire or Natural Disaster
    Source reviewed October 26, 2026

    View supporting excerpt
    Victim of Wildfire or Natural Disaster BOE-19-V Claim for Transfer of Base Year Value to Replacement Primary Residence for Victims of Wildfire or Other Natural Disaster Within 3 years of the date a replacement dwelling is purchased, or new construction of a replacement dwelling is completed.
  26. [26] Proposition 19 (opens in a new tab)

    California State Board of Equalization · BOE notes that its Proposition 19 page is summary information
    Source reviewed October 26, 2026

    View supporting excerpt
    Note: The information presented is intended to provide general and summary information about Proposition 19. It is not intended to be a legal interpretation or official guidance or relied
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