Property taxes are one of the largest recurring expenses for commercial real estate owners in California. In Yolo County, the median effective property tax rate is approximately 1.24%, which is higher than the national median of 1.02%. On a commercial property assessed at $2 million, that translates to roughly $24,800 per year.

Here is what most property owners do not realize: you do not have to accept the assessed value the county assigns to your property. If you believe the assessment exceeds the property's actual market value, you have the right to appeal. And for commercial property owners, the savings from a successful appeal can be significant, often thousands of dollars per year for as long as the corrected assessment remains in effect.

I am not a tax attorney or a property tax consultant, but I work with commercial property owners across Yolo County who deal with these issues regularly. Here is a practical overview of how the process works.

<h2>How Property Taxes Work in California</h2>

California's property tax system is governed by Proposition 13, passed in 1978. Under Prop 13, your property's assessed value is established at the time of purchase (or new construction) based on the actual transaction price. After that, the assessed value can increase by no more than 2% per year, regardless of what the market does.

This system benefits long term owners: if you bought a commercial property in Woodland for $500,000 fifteen years ago, your assessed value today might be around $670,000 (after fifteen years of 2% annual increases), even if the property's market value is now $1.2 million. You are paying taxes on $670,000, not $1.2 million.

However, the system can also work against you. If property values decline, or if the county's assessed value exceeds the property's actual market value for any reason, you may be overpaying.

In Yolo County, three departments share responsibility for the property tax process: the Assessor determines the assessed value, the Auditor Controller calculates the tax, and the Tax Collector sends the bill and collects payment. When you file an appeal, you are challenging the Assessor's determination of value.

<h2>When Should You Consider an Appeal?</h2>

There are several situations where a property tax appeal makes sense for commercial property owners:

Market Value Has Declined. Under California law (Revenue and Taxation Code Section 51), if the current market value of your property falls below the assessed value (the "factored base year value"), you are entitled to a temporary reduction to market value. This is called a "Proposition 8" reduction. During economic downturns, this is the most common basis for commercial property tax appeals.

You Believe the Assessed Value Is Wrong. Errors happen. The county may have incorrect square footage, lot size, or property characteristics in their records. They may have misclassified the building type or assigned a value based on incorrect assumptions about the property's income or condition.

You Recently Purchased the Property. When ownership changes, the property is reassessed at the purchase price. But what if you bought the property at a price that reflected specific problems: deferred maintenance, environmental issues, below market occupancy? The county's reassessment may not fully account for these factors.

Comparable Sales Support a Lower Value. If recent sales of similar commercial properties in the area demonstrate that your property is overvalued, you have a basis for appeal. This is where a broker's knowledge of transaction data becomes valuable.

Net Operating Income Has Decreased. For income producing commercial property, value is directly related to income. If your NOI has declined due to vacancy, rent reductions, or increased expenses, the property's market value may be lower than the assessed value.

<h2>The Appeal Process in Yolo County: Step by Step</h2>

Step 1: Contact the Assessor's Office. Before filing a formal appeal, start with a conversation. The Yolo County Assessor's office at (530) 666 8135 can explain how your property's value was determined and provide information about the assessment. In some cases, the Assessor can resolve the issue informally without a formal hearing. They can receive additional information, review your evidence, and potentially reassess the property without you needing to go through the full appeals process.

Step 2: File an Assessment Appeal Application. If the informal process does not resolve the issue, file a formal appeal with the Yolo County Assessment Appeals Board. The application is filed with the Clerk of the Board of Supervisors. You must use a State Board of Equalization approved form, which is available on the Yolo County website or at the Clerk's office.

Filing Deadlines: For the regular assessment roll (which reflects the January 1 lien date), the filing period is typically July 2 through September 15. For supplemental assessments triggered by a change of ownership or new construction, the filing deadline is 60 days from the date of the supplemental tax bill. These deadlines are firm. Miss them, and you wait until next year.

Step 3: Prepare Your Evidence. This is where your case is won or lost. You need to demonstrate that the assessed value exceeds the property's actual market value as of the lien date (January 1 for regular assessments, the date of the triggering event for supplemental assessments).

For commercial property, the strongest evidence typically includes:

Comparable sales data showing what similar properties sold for in the relevant time frame. As a commercial real estate broker, I can provide transaction data from CoStar and other market databases that the Assessor may not have access to.

An income approach analysis demonstrating the property's value based on its actual net operating income and appropriate capitalization rate. If your property is generating less income than the assessed value implies, this analysis can be compelling.

A physical condition report documenting deferred maintenance, functional obsolescence, or other factors that reduce value below what the Assessor assumed.

Step 4: Attend the Hearing. The Assessment Appeals Board schedules a hearing where you (or your representative) present your case. The Assessor's office also presents their position. The board members review the evidence and make a determination. The hearing is relatively informal compared to a court proceeding, but you should be organized, clear, and factual.

Step 5: Receive the Decision. The board issues a decision, which may reduce, maintain, or (rarely) increase the assessed value. If the value is reduced, your property tax bill is adjusted accordingly, and you receive a refund for any overpayment.

The savings depend on the gap between the assessed value and the actual market value. Here is a simple example:

You own a commercial property in Woodland assessed at $1,500,000. You believe the market value is $1,200,000 based on recent comparable sales and an income analysis. The difference is $300,000. At a 1.24% effective tax rate, a successful appeal saves you approximately $3,720 per year.

For larger properties, the savings scale proportionally. A $500,000 reduction on a $5 million assessed property saves roughly $6,200 per year.

These are not one time savings. Under the Proposition 8 temporary reduction framework, the reduced assessment stays in effect until the market value exceeds the factored base year value again. In a flat or declining market, that could be years.

<h2>Practical Tips for Commercial Property Owners</h2>

Review your assessment annually. The county mails assessment notices each year, typically in the summer. Take five minutes to check the assessed value against your understanding of the property's market value. If something looks wrong, investigate.

Keep good records. Maintain documentation of property condition, capital expenditures, tenant changes, rent rolls, and operating statements. If you ever need to file an appeal, this documentation is your evidence.

Know your comps. Stay informed about comparable sales in your area. If similar properties are selling at values below your assessment, that is a signal worth investigating. A broker who tracks the Yolo County market can provide this data.

Consider professional help. For high value properties or complex situations, hiring a property tax consultant or attorney who specializes in assessment appeals can be worthwhile. They work on contingency in many cases, meaning they only get paid if they reduce your taxes.

Do not confuse assessed value with market value. Under Prop 13, your assessed value may be well below market value if you have owned the property for a long time. That is working in your favor. An appeal only makes sense when the assessed value is above market value.

NNN lease implications. If your commercial property has NNN (triple net) tenants who pay property taxes as part of their lease obligations, a tax reduction benefits the tenant directly. However, reducing the tax basis protects you as the landlord by making your property more competitive for tenant retention and lease renewals. (For more on NNN leases, see our <a href="/blog/triple-net-lease-california-investor-guide">triple net lease guide for California investors</a>.)

<h2>When Not to Appeal</h2>

Not every assessment warrants an appeal. If your assessed value is below or near market value, an appeal could actually draw attention to the fact that your property is under assessed, and the Assessor could potentially increase the value (though this is uncommon in the appeal context). If you have owned your property for many years and your Prop 13 base year value is well below market, leave it alone. That low assessment is one of the most valuable features of your investment.

While I do not handle property tax appeals directly, I provide the market data and comparable sales analysis that forms the foundation of a strong appeal. If you believe your Yolo County commercial property is over assessed, I can pull recent transaction data, run an income based valuation, and help you determine whether an appeal is worth pursuing.

This is one more way that having a broker who knows the local market adds value beyond just buying and selling properties. If you have questions about your assessment, reach out.

This article is for informational purposes only. It is not legal, tax, or investment advice. Property tax rules and appeal procedures are subject to change. Contact the Yolo County Assessor's office for current information and consult with a tax professional or property tax consultant before filing an appeal.

Tim Schimmel

Caceres Real Estate

(530) 383 3030

[email protected]

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How to Appeal Your Property Tax Assessment in Yolo County

Tim Schimmel

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