If you’ve been thinking about installing solar, don’t wait until it’s too late.
2026 is the final year to preserve one of California’s most valuable solar incentives. To qualify under the current property tax exclusion, your solar installation must receive its final signed permit before January 1, 2027. Waiting too long could mean missing this important deadline.
While lower electric bills, energy independence, and battery backup continue to make solar an attractive investment, there’s another major benefit that California homeowners shouldn’t overlook: the opportunity to potentially preserve a valuable property tax exemption.
A Deadline That Matters
Under current California law, qualifying solar energy systems are generally excluded from property tax assessments. In simple terms, that means you may be able to increase the value of your home with a solar and battery system without increasing your property taxes because of that improvement.
To qualify under the current rules, your solar installation must receive its final signed permit before January 1, 2027.
If your project meets that deadline, the added value of your qualifying solar system may remain excluded from property tax assessments for as long as you own your home.
Beginning in 2027, however, newly installed systems—or additions to existing systems—could become subject to property tax, depending on how your county applies the rules.
What Changes After 2026?
The exact assessment process may vary by county, but one thing is clear: 2026 represents the last opportunity to complete a qualifying installation under the current statewide exclusion.
It’s important to note that if a system is assessed, only the value of the solar and battery equipment would generally be considered—not the value of your entire home. California’s Proposition 13 protections remain in place.
Why Waiting Could Cost You
Solar projects don’t happen overnight.
Design, engineering, permitting, utility approvals, equipment ordering, and installation all take time. As more homeowners rush to complete projects before the deadline, schedules are expected to become increasingly busy.
Starting your project early gives you the best opportunity to complete permitting before the January 1, 2027 deadline while avoiding the year-end rush.
More Reasons Than Ever to Go Solar
The property tax exclusion is just one of many reasons homeowners continue to invest in solar and battery storage:
- Reduce monthly electric bills.
- Protect yourself from future utility rate increases.
- Add battery backup for outages and Public Safety Power Shutoffs.
- Increase your home’s appeal and value.
- Gain greater energy independence.
When combined, these benefits can make solar one of the smartest long-term investments for your home.
Why Choose Clean Solar?
For more than two decades, Clean Solar has helped Northern California homeowners design custom solar and battery systems built for long-term performance.
When you work with Clean Solar, you’ll receive:
- Expert system design tailored to your home’s energy needs.
- High-quality equipment from industry-leading manufacturers.
- Professional installation by experienced in-house teams.
- A 25-year workmanship warranty.
- A 15-year production guarantee on qualifying residential systems.
We’ll guide you through every step of the process—from consultation and design to permitting, installation, and final inspection—to help keep your project on schedule.
Start Planning Today
If solar has been on your “someday” list, there has never been a better time to begin planning.
Contact Clean Solar today for a free consultation and learn how to take advantage of today’s opportunities before the January 1, 2027 deadline.