Skip to content
Free check

Independent. Not affiliated with any government agency.

California · County guide

Butte County, California property tax appeals

A Butte County property tax appeal starts with the Butte County Assessment Appeals Board. The next deadline is Nov 30, 2026 for the Butte County Assessment Appeals Board. The filing fee is $40 per application.

This season

Next deadline
Nov 30, 2026
Open now
Butte County Assessment Appeals Board

Opens Jul 2, 2026Closes Nov 30, 2026

Source: Letter To Assessors No. 2026/023: County Assessment Appeals Filing Period for 2026 (BOE, June 2, 2026)Last checked

Check a Butte County home for free

Here the check uses your own figures: you enter the assessed value from your notice or tax bill and the year you bought. We compare how much it has grown with the house price index for your area and show the numbers as your figures. You decide and file yourself.

Excellent5.0 out of 5 · Based on reviewsRead reviews →

Reduced my assessment by $112,000!

I couldn’t believe the difference. My property assessment was reduced by $112,000. I’m extremely happy with the outcome!

Spencer CaldwellHomeowner

A $106,300 reduction

We had no idea there was this much room between our original assessment and the final number. Very happy with the outcome.

Megan HollisHomeowner
Filing fee
$40 per application
Office address
Assessment Appeals Board, 25 County Center Drive, Suite 200, Oroville, CA 95965 · 530-552-3300
Our coverage
Free check available
  • Independent guide — not affiliated with Butte County or any government agency.
Last updated
October 1, 2026
Sources last checked
October 1, 2026
Status
Verified guide

How we verify facts

When and where do I file a Butte County property tax appeal?

Who hears a Butte County appeal?

One stage. We are not affiliated with this office.

Who hears it: Butte County Assessment Appeals Board

Filing: appeal

Open now

Where is the Butte County office?

Butte County Assessment Appeals Board[7]

Address
Assessment Appeals Board, 25 County Center Drive, Suite 200, Oroville, CA 95965

Assessor[6]

Butte County Assessor

Address
25 County Center Drive, Suite 100, Oroville, CA 95965
Fax
530-538-7991
Hours
Monday-Friday; lobby 9:00 a.m.-5:00 p.m., phones 9:00 a.m.-4:00 p.m.; holidays excluded

We are not affiliated with this office. Hours can change, so call before you visit.

Which Butte County filing windows are coming up?

Butte County filing windows
ClosesAreaWho hears itStatus
Nov 30, 2026CountywideButte County Assessment Appeals Board · Official source · Last checked Sep 29, 2026Open now

When were past Butte County deadlines?

Past Butte County filing windows
Tax yearWindowOffice
2025Closed December 1, 2025Butte County Assessment Appeals Board
2024Closed December 2, 2024Butte County Assessment Appeals Board
2023Closed November 30, 2023Butte County Assessment Appeals Board

When is the deadline to appeal a property tax assessment in Butte County?

The soonest deadline we list: Butte County, Butte County Assessment Appeals Board — Closes November 30, 2026.

When a filing counts as on timeButte County Assessment Appeals Board
In Butte County, an appeal deadline that falls on a weekend moves to the next workday; the regular filing period with the Clerk of the Board runs July 2 through November 30.[1]
Deadline detailButte County Assessment Appeals Board · Filing period
Butte County's regular appeal filing period is July 2 to November 30.[2]

Who decides a property tax appeal in Butte County?

The Butte County Assessment Appeals Board's decision is final and not reheard; the owner or the Butte County Assessor may seek review in superior court. Butte County Assessment Appeals Board: In Butte County the filing is an assessment appeal on the Assessment Appeal Application (BOE-305-AH), heard by the Butte County Assessment Appeals Board.

Appeal stepsButte County Assessment Appeals Board
The Butte County Assessment Appeals Board's decision is final and not reheard; the owner or the Butte County Assessor may seek review in superior court.[3]
What the appeal is calledButte County Assessment Appeals Board
In Butte County the filing is an assessment appeal on the Assessment Appeal Application (BOE-305-AH), heard by the Butte County Assessment Appeals Board.[3]

How do I file a property tax appeal in Butte County?

Butte County Assessment Appeals Board: In Butte County you file an application for changed assessment with the Clerk of the Assessment Appeals Board on the Clerk's form. Butte County Assessment Appeals Board: Butte County publishes its own copy of the Assessment Appeal Application (BOE-305-AH) with filing instructions.

How to fileButte County Assessment Appeals Board
In Butte County you file an application for changed assessment with the Clerk of the Assessment Appeals Board on the Clerk's form.[2]
FormsButte County Assessment Appeals Board
Butte County publishes its own copy of the Assessment Appeal Application (BOE-305-AH) with filing instructions.[3]
Filing feeButte County Assessment Appeals Board
Butte County charges a $40 non-refundable processing fee, paid when the appeal application is filed.[3]
Who may fileButte County Assessment Appeals Board
On the Butte County application, an agent must be authorized in writing unless the agent is a California attorney or the owner's spouse, child, parent or registered domestic partner.[3]
Informal reviewButte County Assessment Appeals Board
In Butte County you can ask the Assessor for a free decline-in-value review on the Assessor's review form, in person, by mail or by email.[4]
HearingsButte County Assessment Appeals Board · Schedule
Butte County mails an Assessment Appeals Board hearing notice 45 days before the hearing; several cases are scheduled at 9:00 am and the applicant must attend.[2]

Upcoming appeal deadlines in every county we track

What evidence counts in Butte County, and can the value go up?

What evidence can I use in Butte County?

Butte County Assessment Appeals Board: Butte County's instructions ask for comparable sales, cost and income data, where relevant, to support the owner's opinion of value. Butte County Assessment Appeals Board · Exchange: Before a Butte County hearing, the owner may ask for an exchange of information with the Assessor; above $100,000 of assessed value the Assessor may start one.

Evidence acceptedButte County Assessment Appeals Board
Butte County's instructions ask for comparable sales, cost and income data, where relevant, to support the owner's opinion of value.[3]
Evidence ruleButte County Assessment Appeals Board · Exchange
Before a Butte County hearing, the owner may ask for an exchange of information with the Assessor; above $100,000 of assessed value the Assessor may start one.[3]

Can my assessment go up if I appeal in Butte County?

Butte County Assessment Appeals Board: Butte County's appeal instructions say the Butte County Assessment Appeals Board can raise, lower or keep the assessment, depending on the hearing evidence.

Can the value go up?Butte County Assessment Appeals Board
Butte County's appeal instructions say the Butte County Assessment Appeals Board can raise, lower or keep the assessment, depending on the hearing evidence.[3]

Which exemptions can lower my bill without an appeal?

Butte County owners who live in their home on January 1 may apply for the Homeowners' Exemption; new owners may claim it on the supplemental roll.

Homeowner exemption
Butte County owners who live in their home on January 1 may apply for the Homeowners' Exemption; new owners may claim it on the supplemental roll.[5]

What do Butte County property taxes and assessments look like?

Figures from public records and the Census, each with its source. They describe the county's homes as a group, not the value of any one home.

How much could a lower assessment save on Butte County property taxes?

Tax rate used: 1.114% of assessed value (county average, fiscal 2024-25).

How much could a lower assessment save on Butte County property taxes?
ExampleTax saved
$10,000 less assessed value$111 a year
10% less on a home assessed at $424,700 (the Census median home value)$473 a year

These are examples: the tax rate times a lower assessed value. Exemptions, credits, caps and phase-ins can make the real change smaller. This is not a prediction for any home. Rate source: BOE Annual Report 2024-25, Table 14: average tax rate by county (Property Tax Allocations, BOE Open Data Portal).

What do homeowners in Butte County pay in property tax?

The median owner-occupied home in Butte County was worth $424,700, and the median property tax its owners paid was $2,951 a year, according to the Census Bureau's American Community Survey.

Median home value
$424,700
Margin of error ±$6,679.
Median property tax paid per year
$2,951
Margin of error ±$103.
Median tax as a share of median value
0.69%
A ratio of two medians, not a tax rate. Your own bill depends on your assessment and local levies.
Owner-occupied homes
47,717
Margin of error ±947.

These are survey estimates of what owners reported about their own homes. They are not assessed values, not tax rates, and not an opinion of what any home is worth.

They cannot tell you whether your own assessment is fair. That takes a comparison with similar homes, which we offer only in counties we have researched.

Median home value: Butte County compared

  1. Butte County$424,700
  2. Typical California county$481,100
  3. Typical US county$185,300

Typical California county $481,100; Butte County $424,700; Typical US county $185,300

Census survey medians for owner-occupied homes. "Typical" is the middle county of the 58 in California and of all US counties.Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077.

Median property tax paid: Butte County compared

  1. Butte County$2,951
  2. Typical California county$3,294
  3. Typical US county$1,619

Typical California county $3,294 a year; Butte County $2,951 a year; Typical US county $1,619 a year

Census survey medians for owner-occupied homes. "Typical" is the middle county of the 58 in California and of all US counties.Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25103.

Butte County filing windows on a calendar

  1. Butte County Assessment Appeals BoardNov 30, 2026 · Open now

The dashed line marks today.

Butte County Assessment Appeals Board: Nov 30, 2026

Each bar is a filing window from its opening day to its last day. Forecasts show the expected closing range and are not official dates.Source: the official calendars and rules cited in the sources list below.

How often is property reassessed in Butte County?

Butte County's application instructions explain that the base year is the year the property changed ownership or new construction was completed. On the Butte County application, a regular (decline-in-value) appeal concerns the value as of January 1 of the current year.

Reassessment cycle
Butte County's application instructions explain that the base year is the year the property changed ownership or new construction was completed.[3]
Valuation date
On the Butte County application, a regular (decline-in-value) appeal concerns the value as of January 1 of the current year.[3]
Level of assessmentDecline in value
Each year the Butte County Assessor enrolls the lower of the factored base year value and the January 1 market value (Prop 8).[4]

Homes in Butte County

From the Census Bureau's American Community Survey: how old the homes are, what kind they are, what owners say they are worth and the property taxes they pay. These figures describe all homes together, not any one home.

Median year built
1981
All housing units, owned and rented
Single-family houses, detached or attached
64%
of 92,813 housing units
Owned homes with a mortgage or similar loan
58%
of 47,717 owner-occupied homes

Home values reported by owners

  1. Less than $50,0005%
  2. $50,000 to $99,9994%
  3. $100,000 to $199,9995%
  4. $200,000 to $299,99913%
  5. $300,000 to $399,99918%
  6. $400,000 to $499,99922%
  7. $500,000 to $749,99921%
  8. $750,000 to $999,9998%
  9. $1,000,000 to $1,999,9993%
  10. $2,000,000 or more1%

Home values reported by owners in Butte County: Less than $50,000 5%; $50,000 to $99,999 4%; $100,000 to $199,999 5%; $200,000 to $299,999 13%; $300,000 to $399,999 18%; $400,000 to $499,999 22%; $500,000 to $749,999 21%; $750,000 to $999,999 8%; $1,000,000 to $1,999,999 3%; $2,000,000 or more 1%.

Share of owner-occupied homes in each value range. Owners give this value in the survey; it is not the assessed value.Source: U.S. Census Bureau, American Community Survey, 2020–2024 5-year estimates, table B25075.

Property taxes owners pay a year

  1. No real estate taxes4%
  2. Less than $8009%
  3. $800 to $1,49913%
  4. $1,500 to $1,9999%
  5. $2,000 to $2,99918%
  6. $3,000 or more47%

Property taxes owners pay a year in Butte County: No real estate taxes 4%; Less than $800 9%; $800 to $1,499 13%; $1,500 to $1,999 9%; $2,000 to $2,999 18%; $3,000 or more 47%.

Share of owner-occupied homes by the real estate taxes paid in a year, with or without a mortgage.Source: U.S. Census Bureau, American Community Survey, 2020–2024 5-year estimates, table B25102.

Source: U.S. Census Bureau, American Community Survey (2020–2024 5-year estimates, tables B25075, B25102, B25035, B25024 and B25081), retrieved Oct 1, 2026. Survey estimates have a margin of error.

More questions about Butte County property tax appeals

When is the Butte County property tax appeal deadline?

The Butte County Assessment Appeals Board window closes November 30, 2026.[8][9]

Is there a fee to file a property tax appeal in Butte County?

Butte County charges a $40 non-refundable processing fee, paid when the appeal application is filed.[3]

Where do I file an assessment appeal in Butte County?

In Butte County you file an application for changed assessment with the Clerk of the Assessment Appeals Board on the Clerk's form.[2]

Can my assessed value go up if I appeal in Butte County?

Butte County's appeal instructions say the Butte County Assessment Appeals Board can raise, lower or keep the assessment, depending on the hearing evidence.[3]

What other rules apply in Butte County?

Butte County Assessment Appeals Board: Filing a Butte County appeal does not postpone the tax bill: taxes are still due by the dates on the bill.

Paying the tax while you appealButte County Assessment Appeals Board
Filing a Butte County appeal does not postpone the tax bill: taxes are still due by the dates on the bill.[3]

Property tax guides for Butte County homeowners

Counties next to Butte County

California property tax appeals: all counties

Check a Butte County home free

Check my property

You decide and file yourself.

Where do these facts come from?

  1. [1]Dates & Deadlines | Butte County, CAOfficial guide or FAQ · last checked Sep 30, 2026
  2. [2]Assessment Appeals | Butte County, CAOfficial guide or FAQ · last checked Oct 1, 2026
  3. [3]Assessment Appeal Application (BOE-305-AH) with instructions (Butte County, PDF)Official notice, form, calendar or rules · last checked Sep 29, 2026
  4. [4]Decline in Value | Butte County, CAOfficial guide or FAQ · last checked Sep 29, 2026
  5. [5]Exemptions | Butte County AssessorOfficial guide or FAQ · last checked Sep 29, 2026
  6. [6]Assessor | Butte County, CAOfficial guide or FAQ · last checked Oct 1, 2026
  7. [7]Assessment Appeals | Butte County AssessorOfficial guide or FAQ · last checked Sep 29, 2026
  8. [8]Letter To Assessors No. 2026/023: County Assessment Appeals Filing Period for 2026 (BOE, June 2, 2026)Official notice, form, calendar or rules · last checked Sep 25, 2026
  9. [9]Publication 30: Residential Property Assessment Appeals (California State Board of Equalization, February 2020)Official guide or FAQ · last checked Sep 25, 2026
  10. [10]Letter To Assessors No. 2025/020: County Assessment Appeals Filing Period for 2025 (BOE, July 7, 2025)Official notice, form, calendar or rules · last checked Oct 1, 2026
  11. [11]Letter To Assessors No. 2024/022: County Assessment Appeals Filing Period for 2024 (BOE, June 25, 2024)Official notice, form, calendar or rules · last checked Oct 1, 2026
  12. [12]Letter To Assessors No. 2023/023: County Assessment Appeals Filing Period for 2023 (BOE, June 22, 2023)Official notice, form, calendar or rules · last checked Oct 1, 2026
  13. 13.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25077: Median value (dollars), owner-occupied housing units — Butte County, California
  14. 14.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25103: Median real estate taxes paid, owner-occupied housing units — Butte County, California
  15. 15.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25003: Tenure (owner- and renter-occupied housing units) — Butte County, California

Data credits: Census ACS (public domain) · Census county adjacency (public domain)

Not affiliated with Butte County or any government agency. Not legal advice. Not an appraisal.