PACE Solar Financing in California: Why a Property Tax Lien Is a Different Kind of Risk Than a Standard Solar Loan

PACE Solar Financing in California: Why a Property Tax Lien Is a Different Kind of Risk Than a Standard Solar Loan

Quick answer: PACE (Property Assessed Clean Energy) financing pays for solar through an assessment added to your property tax bill rather than a personal loan — which means it's secured against your property tax obligation, not your credit. That difference matters more than most homeowners realize: PACE liens sit ahead of your mortgage in priority, which is exactly why Fannie Mae and Freddie Mac generally won't purchase mortgages on homes with an active PACE assessment, and it can create real complications when you try to sell or refinance.



What Is PACE Financing, and How Is It Different From a Standard Solar Loan?

PACE financing lets property owners borrow for solar and other energy improvements through a voluntary contractual assessment collected via property tax payments, typically over terms up to 20 years — sometimes longer.

In California, the best-known version was the HERO Program (Home Energy Renovation Opportunity), though other PACE administrators have operated in the state as well. Unlike a standard solar loan through a lender like Mosaic or GoodLeap, PACE financing isn't underwritten primarily on your ability to repay — it's based on your home's equity, and repayment happens automatically through your property tax bill rather than a separate monthly loan payment.

Why Does a Property Tax Lien Change Your Foreclosure Risk?

This is the part that catches homeowners off guard. Missing payments on a standard solar loan can lead to collections activity and credit damage, but missing a property tax payment — which is what a PACE assessment technically becomes — carries the same consequences as any other property tax delinquency, including the possibility of a property tax lien sale in more severe, prolonged cases. That's a fundamentally different risk profile than an unsecured solar loan, and it's one of the central concerns California regulators and consumer advocates have raised about PACE financing since the program's earlier years.

Why Won't Fannie Mae and Freddie Mac Touch a Home With a PACE Lien?

According to the California State Treasurer's own overview of the PACE program, the Federal Housing Finance Agency directed Fannie Mae and Freddie Mac in 2010 to stop purchasing mortgages on properties with PACE liens, citing exactly this concern: a PACE assessment puts first mortgage lenders in a second-priority position behind the property tax lien, which standard mortgage underwriting isn't built to accommodate. In practice, this has made refinancing or selling a home with an active PACE assessment significantly more complicated than a home with a standard solar loan — many buyers' lenders will require the PACE balance to be paid off at closing before the sale can proceed.

The HERO Program and California's PACE History

California was one of the earliest and largest markets for residential PACE financing, and the HERO Program in particular became the subject of significant consumer protection scrutiny over how it was marketed and underwritten — cases involving homeowners, including a disproportionate number of seniors, who didn't fully understand they were taking on a lien-based obligation rather than a conventional loan. That history is directly relevant if you're trying to understand your own PACE-financed solar system today: many of the same misrepresentation and disclosure issues we cover in our general solar loan guide apply here too, layered on top of the property tax lien structure that makes PACE its own category.

What Happens to PACE Financing If You Sell Your Home?

Unlike most personal solar loans, a PACE assessment is tied to the property itself, not the individual borrower — which means in some cases the remaining balance can transfer to a new owner when the home is sold, rather than requiring payoff by the seller. Whether that happens depends on the specific terms of your PACE agreement and how your sale is structured. This is a meaningfully different situation than a UCC-1 lien from a standard solar loan, and it's exactly the kind of detail that needs to be confirmed with your specific PACE administrator before you list your home, not discovered during escrow.

How Do You Dispute or Get Out of PACE Solar Financing in California?

California has established dispute resolution processes for PACE financing that run through your county assessor's office, separate from the standard consumer complaint channels that apply to solar leases and loans. If your PACE assessment was based on misrepresented terms, undisclosed fees, or a sale that didn't meet required disclosure standards, you may have grounds to challenge it — but because PACE disputes intersect with property tax law rather than purely consumer credit law, this is generally not a do-it-yourself process. Our guide to when a solar case needs an attorney covers PACE-specific legal considerations in more detail.

FAQ

Is PACE solar financing the same as a solar loan?
No. A standard solar loan is a personal loan secured by a UCC-1 lien, typically underwritten on your ability to repay. PACE financing is a property tax assessment secured against the property itself, with repayment collected through your property tax bill.

Can I refinance my mortgage if I have a PACE lien on my property?
It's often more complicated. Fannie Mae and Freddie Mac generally won't purchase mortgages on properties with an active PACE lien, since it sits ahead of the mortgage in priority, which can require the PACE balance to be resolved before a refinance can proceed.

What happens to my PACE assessment if I sell my home?
In some cases, the remaining balance can transfer to the new owner as part of the property tax obligation, depending on your specific PACE agreement. This should be confirmed with your PACE administrator before listing your home.

Can missing a PACE payment lead to losing my home?
PACE assessments are collected through property tax bills, so missing a payment carries the same consequences as any other property tax delinquency, which in prolonged, severe cases can include a property tax lien sale. This is a different risk than a standard unsecured solar loan.

Where do I file a dispute over my PACE solar financing?
California has dispute resolution processes for PACE financing that run through your county assessor's office, separate from standard solar consumer complaint channels. Given the property tax law involved, professional guidance is generally recommended.

Have PACE solar financing on your California property and unsure what your options are? Get a free, no-pressure review.

Call (213) 579-5156 or visit californiasolarexit.com.

Daniel Merritt is a Senior Solar Contract Analyst at California Solar Exit with over a decade of experience evaluating residential solar lease, PPA, and loan agreements under California consumer protection law.