Bernalillo County Property Tax Appeal, New Mexico

Travis Bunn·Updated July 24, 2026

Bernalillo County is New Mexico's most populous county with approximately 674,000 residents as of 2026. The county seat is Albuquerque, the state's largest city, and includes surrounding communities like Los Ranchos de Albuquerque and Tijeras. With a median home value of $324,500 and an effective tax rate of 0.84%, Bernalillo County has the highest property tax burden in New Mexico, making property tax appeals particularly valuable for homeowners. The median annual property tax bill of $2,714 exceeds the national median of $2,400, meaning that even a 10% overassessment can cost homeowners hundreds of dollars annually until corrected through the appeal process.

Notable cities: Albuquerque, Los Ranchos de Albuquerque, Tijeras

Median Home

$324,500

Tax Rate

0.84%

Annual Tax

$2,714

Population

674,000

On the typical Bernalillo County home, valued near $324,500 at the county’s effective tax rate of 0.84%, an over-assessment of even 10% means you are overpaying year after year until you appeal it. Here is how to find out if yours qualifies.

2026 Appeal Deadline: 30 days from the date on your Notice of Value

Bernalillo County mails Notice of Value forms to all property owners by April 1st each year. You have exactly 30 days from the date printed on your Notice of Value to file your appeal. For most homeowners, this means appeals are due by early May (typically April 30th or May 1st). Missing this deadline means you must wait until the following year to appeal, losing a full year of potential tax savings.

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How Bernalillo County Assesses Property

33.33%of market value

Assessed by: Bernalillo County Assessor's Office

Assessment cycle: annual with full revaluations every six years

Notices typically mailed: April 1st

In Bernalillo County, your property tax is calculated on the assessed value, which is 33.33% (one-third) of your property's market value, as mandated by New Mexico state law. For example, if your home's market value is $324,500 (the county median), at New Mexico's 33.33% assessment ratio your assessed value would be $108,167, resulting in approximately $2,714 in annual taxes at the county's effective rate of 0.84%. This means that if your property is overvalued by $30,000 at market value, you're paying taxes on an extra $10,000 in assessed value, costing you approximately $84 per year.

The Appeal Process

Appeals are heard by the County Valuation Protest Board. At your hearing, you'll present evidence to the County Valuation Protest Board supporting your opinion of your property's value. The Assessor's valuation is presumed correct under New Mexico law, so you bear the burden of proof to demonstrate why your value is more accurate using comparable sales data, photos, and professional appraisals.

Review your Notice of Value carefully when it arrives by April 1st and compare your property's assessed market value to recent comparable sales of similar homes in your neighborhood.

Request an informal review with the Assessor's Office by calling (505) 222-3700 or filing online. A field appraiser will schedule a meeting to discuss your concerns and may adjust the value if you present strong evidence.

If the informal review doesn't resolve the issue, file a formal protest using the Property Valuation Protest Form within 30 days of your Notice of Value date. Include your proposed value and attach supporting evidence such as comparable sales, photos of property condition issues, or a professional appraisal.

Attend your scheduled hearing before the County Valuation Protest Board. The Assessor will notify you by certified mail at least 15 days before the hearing date. Present your evidence clearly, focusing on comparable sales from the past 6-12 months that support your opinion of value.

Receive the Board's written decision. If you disagree with the County Valuation Protest Board's decision, you may appeal to the New Mexico District Court within 30 days of the Board's decision.

If further appeals are necessary, you can take your case to the New Mexico Court of Appeals, though this typically requires legal representation and may not be cost-effective except for high-value properties or commercial appeals.

Required form: Property Valuation Protest Form (available online or at Assessor's office)

Filing Methods

online:File online through the Bernalillo County Assessor's portal at https://assessor-online.bernco.gov/sf/Filing/FilingType/Info/BERNCO_APPEAL

in-person:Visit the main office at 415 Silver Ave SW, Albuquerque, NM 87102 or satellite offices at 6001 San Mateo NE or 5600 Coors NW (Monday-Friday, 8am-5pm)

mail:Mail to: Bernalillo County Assessor, PO Box 27108, Albuquerque, NM 87125

email:Email to: assessor@bernco.gov

Evidence to Bring

Comparable sales of similar properties sold within the past 6-12 monthsPhotos showing property condition issues, deferred maintenance, or functional obsolescenceProfessional appraisal report from a licensed New Mexico appraiserRepair estimates documenting needed repairs or structural issuesProperty tax assessment notices from comparable propertiesDocumentation of assessment errors (incorrect square footage, extra bathrooms/bedrooms listed, etc.)

Bernalillo County Assessor Contact

Bernalillo County Assessor's Office

Phone: (505) 222-3700

Address: 415 Silver Ave SW, Albuquerque, NM 87102 (Mailing: PO Box 27108, Albuquerque, NM 87125)

Website: https://www.bernco.gov/assessor/

Online Portal: https://assessor.bernco.gov/public.access/Main/Home.aspx

Hours: Monday-Friday, 8:00 AM - 5:00 PM

Tax Exemptions in Bernalillo County

Head of Family Exemption

$2,000 reduction in taxable value (typically saves $100+ annually)

Reduces the taxable value of your primary residence, providing annual tax savings for New Mexico residents who own and occupy their home.

Eligibility: Must be a New Mexico resident who owns and occupies the property as primary residence. Only one exemption per household permitted.Deadline: Apply once - exemption continues automatically until property is sold. Must apply within 30 days of Notice of Value for current year eligibility.

Veterans Tax Exemption

$4,000 reduction in taxable value for veterans (not 100% disabled)

Provides property tax relief for eligible veterans who served in the U.S. Armed Forces and their surviving spouses.

Eligibility: Must be a veteran with certificate from New Mexico Department of Veterans Services. Surviving spouses may also qualify.Deadline: Within 30 days of Notice of Value. Once claimed, continues in subsequent years without reapplying.

100% Disabled Veteran Tax Waiver

Total waiver of all property taxes

Complete exemption from property taxes for veterans with 100% service-connected disability rating.

Eligibility: Veterans with 100% service-connected disability rating certified by New Mexico Department of Veterans Services. Limited to primary residence up to 5 acres.Deadline: Within 30 days of Notice of Value. Certificate from NM Veterans Service Commission required.

Low-Income Elderly/Disabled Valuation Freeze

Property value frozen at 2001 level, age 65 level, or first ownership year (whichever is applicable)

Freezes the taxable value of property so it will not increase due to market appreciation, though mill rates still apply annually.

Eligibility: Must be age 65+ or disabled with modified gross income of $32,000 or less during the previous tax year. After applying for 3 consecutive years, the freeze becomes permanent.Deadline: Within 30 days of Notice of Value. Must reapply annually for first 3 years with income documentation.

Bernalillo County Appeal Statistics

Avg Reduction

$885

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Frequently Asked Questions

What is the deadline to appeal my property taxes in Bernalillo County?

You must file your property tax appeal within 30 days of the date printed on your Notice of Value, not the date you receive it. The Assessor's Office typically mails these notices by April 1st each year, which means most appeals are due by early May (often April 30th or May 1st). Missing this strict deadline means you'll have to wait until the following year to appeal your assessment, losing an entire year of potential tax savings. If you haven't received your Notice of Value by mid-April, contact the Assessor's Office immediately at (505) 222-3700 to ensure it wasn't lost in the mail.

How do I file a property tax appeal in Bernalillo County online?

Bernalillo County offers online filing through their assessor portal at https://assessor-online.bernco.gov/sf/Filing/FilingType/Info/BERNCO_APPEAL. You'll need to complete the Property Valuation Protest Form electronically, provide your proposed market value with supporting evidence, and submit it within 30 days of your Notice of Value date. You can attach digital copies of comparable sales data, photos, appraisals, and other supporting documentation directly through the online portal. After filing online, the Assessor's Office will contact you to schedule an informal meeting with a field appraiser. If the issue isn't resolved informally, they'll automatically schedule a formal hearing with the County Valuation Protest Board and notify you by certified mail at least 15 days before the hearing.

What is the Head of Family exemption worth in Bernalillo County?

The Head of Family exemption reduces your property's taxable value by $2,000 in Bernalillo County. While this doesn't mean $2,000 off your tax bill directly, it typically saves homeowners between $100 and $150 annually depending on your specific mill rate and property location within the county. For example, at the county's 0.84% effective tax rate, a $2,000 reduction in taxable value saves approximately $17 per year, though actual savings vary based on your school district and other local levies. The best part is you only need to apply once - the exemption continues automatically each year until you sell the property. You can check if you already have this exemption by searching your property online at the Bernalillo County Assessor's website.

What happens at a County Valuation Protest Board hearing in Bernalillo County?

At your County Valuation Protest Board hearing, you'll present evidence supporting your opinion of your property's market value before a panel of appointed board members. The hearing is semi-formal but not as strict as a courtroom - you don't need an attorney, though you may bring one if you choose. You should bring 3-5 comparable sales of similar properties that sold within the past 6-12 months, photos documenting your property's condition, and any professional appraisals or repair estimates. The county assessor or their representative will also present evidence defending their valuation. New Mexico law presumes the Assessor's valuation is correct, so you bear the burden of proving why your proposed value is more accurate. The Board will review all evidence and issue a written decision, typically within 30-45 days. If you disagree with the Board's decision, you have 30 days to appeal to District Court.

How much can I save by appealing my property taxes in Bernalillo County?

The average successful property tax appeal in Bernalillo County saves homeowners approximately $885 per year, though your actual savings depend on how much your property is overvalued and the county's current mill rates. If your home is overassessed by 10% on the median value of $324,500, that's a $32,450 overvaluation in market value, which translates to $10,817 in excess assessed value (at the 33.33% ratio), costing you approximately $272 per year at the 0.84% effective tax rate. These savings continue year after year until the next revaluation, making appeals particularly valuable. Even a modest 5% reduction on a $300,000 home saves roughly $126 annually. Keep in mind that approximately 25% of homes nationally are overassessed, so it's worth investigating your property's valuation even if you're not sure you qualify for a reduction.

What evidence do I need for a successful Bernalillo County property tax appeal?

The most important evidence for a Bernalillo County property tax appeal is 3-5 comparable sales of similar properties that sold within the past 6-12 months in your neighborhood or similar areas. The County Valuation Protest Board gives the most weight to actual market sales data, so focus on homes with similar square footage, age, condition, lot size, and features to your property. Additionally, bring clear photos documenting any property condition issues, deferred maintenance, or functional obsolescence that might reduce your home's value compared to the Assessor's assumption of average condition. A professional appraisal from a licensed New Mexico appraiser can be very persuasive, though it costs $300-500. Also include copies of repair estimates for significant issues like foundation problems, roof damage, or needed system replacements. Finally, document any factual errors in the Assessor's records, such as incorrect square footage, extra bedrooms or bathrooms listed that don't exist, or upgraded features that aren't actually present in your home.

Can I request an informal review before filing a formal appeal in Bernalillo County?

Yes, Bernalillo County strongly encourages homeowners to request an informal review with a field appraiser before proceeding to a formal County Valuation Protest Board hearing. When you file your initial protest (online, by mail, in person, or by email within 30 days of your Notice of Value), the Assessor's Office will call you to schedule an informal meeting with one of their field appraisers. During this meeting, you can present your evidence and discuss why you believe the assessment is too high. The appraiser has authority to adjust your value on the spot if your evidence is compelling, which can save you time and the need for a formal hearing. If the informal review doesn't resolve the disagreement, the case automatically proceeds to a formal hearing before the County Valuation Protest Board, so there's no downside to trying the informal route first. This two-step process resolves many appeals without requiring a board hearing.

Are there exemptions for senior citizens in Bernalillo County beyond the standard homestead?

Yes, Bernalillo County seniors age 65 and older with limited income qualify for the Low-Income Elderly Valuation Freeze program, which is far more valuable than the standard Head of Family exemption. If you're 65+ (or disabled at any age) with a modified gross income of $32,000 or less during the previous tax year, your property's taxable value will be frozen and won't increase even as market values rise around you. You must reapply annually with income documentation for the first three consecutive years, but after that the freeze becomes permanent and you don't need to reapply. This program doesn't freeze your actual tax bill (since mill rates can still increase), but it protects you from paying higher taxes due to appreciation in your home's value. This can save thousands of dollars over time as surrounding home values increase. Apply within 30 days of receiving your Notice of Value using forms available at the Bernalillo County Assessor's Office or online at www.bernco.gov/assessor/.

Official Resources

Bernalillo County Assessor Official Website →

Access property valuations, exemption applications, assessment notices, and appeal information directly from the county assessor.

Bernalillo County Property Search Portal →

Search and view your property records, assessment history, current valuation, and exemption status online.

Bernalillo County Online Appeal Filing Portal →

File your property tax appeal online and upload supporting documentation through the county's electronic filing system.

New Mexico Taxation and Revenue Department - Property Tax Division →

State-level property tax information, laws, regulations, and guidance for New Mexico property owners and exemption programs.

For state-wide appeal information including New Mexico's assessment ratio and deadlines, see our New Mexico Property Tax Appeal Guide →

Considering professional help with your appeal? Compare pricing, coverage, and pros/cons in our Best Property Tax Appeal Services (2026) or browse side-by-side service comparisons →

More New Mexico Counties

Luna County (Deming)Sandoval County (Rio Rancho)Santa Fe County (Santa Fe)

← All New Mexico property tax appeal info

Sources: https://www.bernco.gov/assessor/ | https://assessor.bernco.gov/public.access/Main/Home.aspx | https://www.appealdesk.com/appeals/new-mexico/bernalillo | https://smartasset.com/taxes/new-mexico-property-tax-calculator | https://www.ownwell.com/trends/new-mexico/bernalillo-county | https://honestcasa.com/taxes/new-mexico/bernalillo-property-tax-guide

Last verified: 2026-07-24