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One of the biggest surprises for many homebuyers in California isn’t the mortgage—it’s the property taxes.
You might move into your dream home only to discover that your neighbor, who lives in the exact same model, pays thousands of dollars less in property taxes every year. It doesn’t seem fair at first, but there’s a reason for it: Proposition 13.
If you’re buying a home in San Jose, understanding how Prop 13 works—and how Proposition 19 changed some of the rules—can help you plan your budget and avoid surprises after closing.
Why Does Your Neighbor Pay Less?
Proposition 13 has been part of California law since 1978. It was created to keep property taxes from skyrocketing as home values increased.
Here’s the basic idea:
- Your property’s base tax rate is generally 1% of its assessed value.
- After you buy your home, that assessed value can usually increase by no more than 2% each year, even if your home’s market value climbs much faster.
The important thing to remember is this:
Your property taxes are based on what you paid for the home—not what it’s worth today.
For example, if you buy a home for $2 million, your assessed value starts around $2 million.
Your neighbor may have purchased the same home 20 years ago for $700,000. Thanks to Proposition 13, their taxable value has only increased a little each year, so they could be paying property taxes based on an assessed value of around $1 million instead.
That’s why two nearly identical homes on the same street can have very different tax bills.
What This Means for Your Monthly Budget
One mistake many buyers make is assuming they’ll pay the same property taxes as the current owner.
Unfortunately, that’s almost never the case.
When a home is sold, the county reassesses the property based on the new purchase price.
For most buyers in Santa Clara County, it’s smart to estimate property taxes at:
- About 1% of your purchase price, plus
- Additional local assessments for things like schools, parks, roads, and infrastructure improvements.
Depending on the property, your total property tax rate is often somewhere between 1.1% and 1.3% of the purchase price.
For example, if you purchase a home for $1.8 million, your annual property taxes could easily be in the neighborhood of $20,000 to $23,000, depending on the location and special assessments.
The takeaway? Always budget based on what you’re paying for the home, not what the seller currently pays.
How Proposition 19 Changed the Rules
While Proposition 13 is still in effect, Proposition 19 introduced some important changes that homeowners should know about.
It Makes Moving Easier for Seniors
If you’re 55 or older, severely disabled, or rebuilding after a qualifying natural disaster, Proposition 19 allows you to transfer your current property’s tax base to another home anywhere in California.
That means many longtime homeowners can downsize—or move closer to family—without losing the lower property tax bill they’ve built up over the years.
Family Home Transfers Are Different Now
Proposition 19 also changed how property can be passed from parents to children.
In the past, many inherited homes kept their low property tax assessment.
Today, the rules are much stricter.
To qualify, the home generally must be:
- The parent’s primary residence.
- Used as the child’s primary residence after the transfer.
- Properly filed with the county within the required time frame.
Rental homes and vacation properties generally no longer qualify for the old tax benefits.
If keeping a home in the family is part of your long-term plans, it’s worth talking with an estate planning attorney or tax professional before making any decisions.
Tips for Buyers
If you’re shopping for a home in San Jose, here are a few things to keep in mind:
- Don’t use the seller’s property tax bill to estimate your own.
- Ask your lender to estimate your taxes using the expected purchase price.
- If you’re 55 or older, find out whether Proposition 19 could allow you to transfer your current tax base.
- If you’re buying or inheriting a family home, make sure you understand today’s rules—not the rules from years ago.
- Remember that local assessments can add to your annual tax bill.
The Bottom Line
Proposition 13 is one of the reasons longtime California homeowners enjoy stable property taxes, but when you buy a home, your property’s assessed value is typically reset to the price you paid.
That means your property taxes will likely be very different from the current owner’s.
The good news is that once you own your home, Proposition 13 helps keep future increases predictable. And if you’re eligible for the benefits offered under Proposition 19, there may be opportunities to save as well.
Understanding how these laws work before you buy can help you make smarter financial decisions and avoid unexpected costs after closing.
Thinking About Buying a Home in San Jose?
Buying a home involves much more than finding the right house. Understanding property taxes, neighborhoods, schools, financing, and local market trends can make a huge difference in your overall experience.
If you’re thinking about buying in San Jose, Willow Glen, Cambrian, Almaden Valley, or anywhere in Silicon Valley, I’d love to help you navigate the process. Together, we’ll make sure you understand every part of the journey so you can buy with confidence.
GET YOUR FREE HOME SELLING BOOK
About the Author – Michelle Elliott
With over 20 years of experience navigating the fast-paced Silicon Valley market, I provide a strategic, results-driven approach to residential real estate. My career is built on a foundation of deep local expertise and a relentless commitment to my clients’ success, resulting in over $235 million in lifetime sales volume and a consistent ranking in the top 3% of agents in Santa Clara County and top 2% at Coldwell Banker. My expertise has been featured on KTVU Fox 2, Real Producers and the Willow Glen Resident. She is also the co-host of the San Jose Podcast “Say What You Want About Real Estate”
A Hyper-Local Expert with Global Reach
I specialize in San Jose, in the neighborhoods of Willow Glen (95125 & 95124) Cambrian Park and Almaden, Downtown San Jose/Japantown (95112) markets. As a certified Luxury Property Specialist with Coldwell Banker Realty, I combine high-end marketing strategies with granular neighborhood knowledge to help my clients achieve premium results.
The “Tiger” at the Negotiating Table
My clients have characterized me as a “tiger” at the negotiating table who remains “sweet and patient” with my clients throughout the process. I pride myself on being a fierce advocate for my buyers and sellers, ensuring the best possible terms in every transaction, and I strive to be the best Realtor in 95125! This balance, drive, and tenacity have earned me consistent 5-star ratings across Google, Zillow, Realtor.com, and Yelp.
Michelle Elliott
Michelle@michelleelliottrealtor.com
1712 Meridian Ave, Ste C, San Jose, CA
DRE 01777533
