San Diego County property values have officially hit a new record high!

San Diego County taxable property values have officially reached a historic record high! According to the latest local property tax roll data, rising real estate demand, ongoing regional development, and steady home appreciation continue to drive total assessed values to unprecedented levels across San Diego County.

Whether you currently own a home in San Diego, plan to sell in the near future, or are navigating the local market as a homebuyer, this landmark update has important implications for your equity, property taxes, and overall wealth strategy.

Watch our video breakdown above for a quick look at the numbers, or read on to explore what driving factors brought us to this record and what it means for your real estate goals.


What Is Driving San Diego Property Values to Record Levels?

San Diego’s real estate market continues to demonstrate remarkable resilience and growth. Key factors propelling assessed property values upward include:

  • Strong Home Appreciation & Equity Growth: Strategic coastal and inland neighborhoods throughout North County and South Bay continue to see sustained demand, pushing market prices and tax assessments higher.
  • New Development and Infrastructure Improvements: Capital investments, commercial developments, and residential housing projects continue to add substantial taxable value to the county’s official assessment roll.
  • Prop 13 Assessment Adjustments: Under California’s Proposition 13, assessed values increase by a maximum of 2% annually based on the Consumer Price Index (CPI), unless a property undergoes a change of ownership or new construction.

What Homeowners Need to Know About Proposition 19

While Proposition 13 limits annual tax assessment increases to 2%, Proposition 19 (effective since 2021) changed the landscape for portability of property tax bases and inherited real estate in San Diego County.

1. Tax Base Portability for Seniors, Disabled Homeowners & Disaster Victims – Prop 19

Under Prop 19, homeowners age 55 or older, severely disabled individuals, or victims of wildfires/natural disasters can transfer their lower assessed property tax base from their primary residence to a replacement primary home anywhere in California:

  • Up to 3 Times: Eligible homeowners can use this tax-saving benefit up to three times in their lifetime (previously limited to just once under Prop 60/90).
  • Any Price Point: The replacement home can be of equal, lesser, or greater value. If the replacement home is worth more, the tax base adjusts upward by only the difference in market values.

2. New Rules for Inherited Family Homes

Prop 19 significantly modified the rules for parent-to-child real estate transfers:

  • Primary Residence Requirement: Inherited properties retain the parents’ lower tax base only if the child makes the property their principal residence within one year.
  • Value Cap Limit: The tax exclusion applies to the existing taxable base plus an indexed cap. Any property value exceeding that threshold is subject to partial reassessment.
  • No Exclusions for Rentals or Second Homes: Rental properties, vacation homes, and commercial units transferred to children are now fully reassessed to current market value upon transfer.

Also see


What Do Record Property Values Mean for San Diego Homeowners?

1. Significant Home Equity Gains

For existing property owners, record assessed values reflect strong underlying equity growth. Increased home equity provides greater financial flexibility—whether you are looking to refinance, take out a home equity line of credit (HELOC) for home improvements, or leverage your equity toward purchasing an investment property or upsizing.

2. Understanding Your Property Tax Bill

While higher assessed values mean a strong real estate market, they also directly impact property tax calculations. In California, basic property taxes are capped at 1% of the assessed value, plus any local bonded indebtedness and special assessments (such as Mello-Roos or school district bonds).

  • Annual 2% Cap: If you have owned your home for several years without changing title or building major additions, your assessment increase is capped at 2% per year under Prop 13, keeping your tax liability predictable despite soaring market values.
  • Reassessments Upon Sale: If you recently purchased your San Diego property, your new tax assessment will be based on the recent purchase price, reflecting today’s higher market values.


What It Means for San Diego Buyers and Sellers

For Sellers: Maximum Leverage

If you are considering selling a home in San Diego County, record-high market values mean you are positioning your property in a market with strong historical performance. High equity positions give sellers tremendous flexibility when negotiating, downsizing, or relocating. Proper pricing, staging, and professional marketing remain crucial to maximizing your net return.

For Buyers: A Proven Wealth-Building Asset

While record prices present affordability challenges for prospective buyers, San Diego property values historically demonstrate long-term stability and strong returns. Real estate in San Diego remains one of the premier long-term wealth builders in Southern California.


Frequently Asked Questions (FAQ)

Q: How are San Diego County property taxes calculated?
A: Property taxes in San Diego County are calculated based on the property’s assessed value established by the San Diego County Assessor’s Office. Under Proposition 13, the baseline tax rate is 1% of the assessed value, plus any local voter-approved bonds or direct assessment fees.

Q: Will my property taxes double if local market values double?
A: No. Under Proposition 13, as long as you retain ownership of your property and do not make major additions, the assessed value cannot increase by more than 2% in a single year, regardless of how fast market values rise.

Q: How can I check my San Diego County assessed property value?
A: Property owners can look up their official assessed value, annual tax bills, and parcel information directly through the San Diego County Assessor / Recorder / County Clerk website.

Q: How does Proposition 19 help seniors looking to downsize or move in San Diego?
A: Prop 19 allows homeowners age 55 and older to sell their primary residence and transfer their low Prop 13 property tax base to a new primary home anywhere in California up to three times, keeping property taxes manageable even if market values have soared.

California Prop 19 Property Tax Transfer Guide


Connect with San Diego Real Estate Experts

Navigating property taxes, market updates, and home valuation trends can be complex. Whether you need an updated Comparative Market Analysis (CMA) for your property or want to discuss local buying and selling strategies, our team is here to guide you every step of the way.

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We protect your equity, prevent costly mistakes, and deliver results — from first conversation to closed escrow.

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Watch this quick update to see what this means for local homeowners, buyers, and the overall San Diego real estate market.