How Much Can You Borrow on an Investment Property HELOC With a Solar Lien?

The Quick Read: It depends on how the solar system is recorded, because the borrowing ceiling stays the same while a recorded solar loan or assessment uses up part of it. On an investment property, the line is capped at 70% combined loan-to-value (CLTV) and $500,000 on this network, so your room equals 70% of value minus every recorded lien.

• Maximum line = property value × 70% − first mortgage − any recorded solar debt − any other liens.
• A recorded solar mortgage, deed of trust, or PACE balance counts against you. A lease or power purchase agreement (PPA) has no balance to count.
• The investment line needs a 700 credit score or better, and title must sit in your personal name or a revocable living trust.
• An equity line is sized by combined leverage, occupancy, and credit. Rental coverage does not set the amount.
• If the math leaves too little room, a DSCR cash-out refinance is the usual alternative. Terms vary by lender guidelines, property type, leverage, credit profile, and full file review.

What “Solar Lien” Actually Means

Several different things get called a solar lien. Only some of them reduce what you can borrow, so the first job is to find out which one you have.

A UCC-1 is a notice filed with the state. It says a solar company has a security interest in the equipment. A fixture filing is the same idea recorded in county land records, which makes it show up in a title search. A recorded solar mortgage or deed of trust is a true loan secured by the property. PACE is an assessment collected through your property tax bill. Leases and PPAs are a separate setup, and they usually carry no loan balance at all.

Why does the label matter? Because your line size comes from a subtraction. Whatever is a real lien on the property comes off the top. Whatever is only a notice may not.

Key Terms Defined

Combined loan-to-value (CLTV) is all loans secured by the property, including the new line, divided by the property’s value. Wall Street Prep lays out the same basic formula.

UCC-1 is a financing statement that gives public notice of a claim on equipment, such as solar panels.

Fixture filing is a UCC-style filing recorded in county property records because the equipment is attached to the building.

UCC-3 is the form that terminates a UCC-1 after the debt is paid.

PACE is a property-assessed clean energy assessment, repaid through the property tax bill.

Subordination is a recorded agreement where a lienholder agrees to rank behind the new lender.

The Formula: How Much Can You Actually Borrow?

On an investment property, the network ceiling is 70% CLTV with a maximum line of $500,000. Solar does not raise that ceiling or lower it. It only changes how much of the ceiling is already spoken for.

Here is the math, written as percentages of value. These are modeled assumptions, not market data.

• Scenario one: owned panels or a lease. Your first mortgage is 50% of value. Nothing solar is recorded against the title. The new line can reach about 20 points of value (70% − 50%).
• Scenario two: recorded solar loan. Your first mortgage is 50% of value, and a recorded solar deed of trust adds 10%. Together that is 60%. The new line can reach about 10 points of value.
• Scenario three: PACE. Your first mortgage is 55% of value and a PACE assessment adds 5%. That is 60% again, leaving about 10 points. In practice, PACE usually has to be paid off before the line, so the real question becomes where the payoff cash comes from.
• Scenario four: no room. Your first mortgage is 65% and the solar loan adds 8%. You sit at 73%, already over the 70% ceiling. There is nothing to borrow against until you pay debt down or value rises.

The dollar amount follows from your property’s value. On a high-value rental, the $500,000 maximum line can bind before the 70% math does. On a modest rental, the percentage cap binds first. An illustrative calculator on this site can convert those percentages into dollars for your own numbers.

How Each Solar Setup Hits Your Line

Treat the “lender call” row with care. A UCC-1 is technically a claim on the equipment. Still, the CFPB’s solar financing spotlight notes that lenders commonly file these liens on the panels. Some jurisdictions view that filing as reaching the whole property, which can muddy title. A law firm’s analysis of UCC liens before going solar makes a similar point: because panels are fixtures, a lien on them can appear as a lien on the entire property.

The practical lesson is simple. A filing on equipment may not shrink your line, but it can still stall a file at title. Even when it does not count against CLTV, many programs want it terminated or moved behind the new line.

Why PACE Is the Hardest One

PACE is repaid through the tax bill, and that gives it unusual rank. The FHFA’s statement on super-priority liens explains that first-lien PACE can sit ahead of a mortgage, and that PACE can also be structured as a secondary lien behind the original mortgage. Agency loan policy treats first-lien PACE as a problem. DSCR and equity-line programs are not agency products, so each lender sets its own overlay.

In our wholesale network, the working rule is payoff. Signing a UCC-3 does nothing for PACE, because it is an assessment and not a UCC filing. You need the PACE agreement, the tax statement, and a payoff statement from the administrator.

What This Equity Line Is (and Is Not)

An investment-property equity line on this network is a standalone line, in first or second lien position. Lines on investment properties run a 5-year interest-only draw followed by a 25-year repayment period. At least 75% of the line is drawn at closing. Pricing floats and never converts to fixed. The line is available through select wholesale partners in the 16 states where Lendmire offers full-service mortgage operations, which is narrower than the DSCR footprint.

The rules that matter most for a solar-lien rental:

• Credit: 700 minimum on an investment line. A 720 score does not buy more leverage here, because 700 and 720 both reach 70% CLTV.
• Debt-to-income: Maximum 50%. The lender calculates it using the interest-only payment on the maximum draw. A solar payment can count in your personal debt ratio.
• Sizing basis: Combined leverage, occupancy, and credit. Rental coverage plays no part, which is the sharpest difference from a DSCR loan.
• Valuation: Because the line cannot exceed $500,000, it normally runs on an automated valuation with no traditional appraisal. You can request a full appraisal in any case.
• Title: Fee simple or leasehold, held by you personally or by a revocable living trust.
• Property types: Single-family, 2-4 units, PUDs, townhomes, and condominiums, including non-warrantable condos. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural zoning are not eligible.
• Exposure: A borrower can hold up to three lines, and owning more than 15 financed properties makes you ineligible.

The LLC Problem

Many investors hold rentals in an LLC. An LLC cannot hold title under this equity line. Neither can corporations, partnerships, or irrevocable, blind, or land trusts. If your property is already deeded to an LLC, you would need to change the vesting, or look at a DSCR cash-out refinance instead. DSCR loans to LLC-titled borrowers are available subject to lender program eligibility, which is why many investors with entity-held rentals end up on that path.

Does Solar Change the Leverage Math or Just the Paperwork?

Both. The leverage effect is the subtraction above, and the paperwork decides how much of it you can clear.

Every recorded item has to be classified: real-estate lien, UCC-1 notice, tax-bill assessment, or nothing on title. A title report and a state UCC search come first. A plain UCC-1 may show up only in the state search. A county-recorded fixture filing will appear in a title search.

Then each item gets resolved one of three ways. You can pay it off and record a UCC-3 termination. You can get a recorded subordination. Or, for PACE, you pay it off. A signed subordination letter sitting in an email is not a cleared filing. Only a recorded termination or recorded subordination counts.

Do not assume a recorded solar loan can simply stay in place under the new line. A recorded solar mortgage counts against the 70% ceiling dollar for dollar, and some equity-line programs go further and treat a property with a recorded solar lien as outside the program until the lien is paid off. Our network’s rules vary by program, so confirm which product you are being quoted, and whether the solar debt must be paid off, before you rely on any scenario.

Checklist: Before You Apply

1. Pull your title report and run a state UCC search.

2. Gather the solar contract or loan agreement.

3. Label every item: lien, notice, assessment, or nothing.

4. Add up first mortgage, recorded solar debt, and any other liens as a percentage of value.

5. Compare that total against the maximum loan-to-value your chosen program allows to see your room.

6. Ask the solar company for a payoff statement or subordination letter, depending on what you need.

7. Confirm title is in your name or a revocable living trust.

8. Check your credit score against the program’s minimum.

Do this search before you apply. A UCC-1 that surfaces late at title can hold up a file.

Pay Solar Off First, Use a Line, or Refinance?

The right route depends on how much room the math leaves and how the solar debt is recorded.

A DSCR cash-out refinance replaces the first lien and can pay off the solar debt from proceeds. Cash-out on a standard rental tops out around 75% LTV across most of our network, and about six months of seasoning is the common expectation. It qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. Reserves, credit tiers, and loan size all vary by lender, so treat these as ranges. Lendmire’s comparison of an equity line against a DSCR cash-out refinance when solar debt is recorded covers that choice in more depth, and the complete DSCR loans guide explains how the loan type works.

One caution on coverage. A DSCR ratio compares rent to the full monthly obligation of principal, interest, taxes, insurance, and any association dues. Clearing it does not mean the property cash-flows, since repairs, vacancy, and management sit outside the calculation.

How Common Is This Situation?

Common enough to plan for. The CFPB reports that loans made up 58 percent of the at-home residential solar market in 2023, with cash at 19 percent and third-party ownership at 23 percent, according to its solar financing issue spotlight. A rental you buy with panels on the roof will often come with financing attached.

Common Mistakes

• Assuming a UCC-1 never counts. Some lenders treat it as a title issue even when it does not reduce equity.
• Treating PACE like any other solar loan. It is a tax assessment with its own priority.
• Stopping at a signed letter. Only recorded documents clear the file.
• Ignoring the starting leverage. A rental bought at 75% to 80% LTV on a purchase already sits above a 70% CLTV investment ceiling, so there may be nothing to borrow until you pay down or value rises.
• Forgetting vesting. A property in an LLC needs a different route.

Where to Go From Here

Start with the subtraction. Add up every recorded lien as a share of value, take it from the combined-leverage ceiling your lender sets, and see what is left. Then confirm what the solar paperwork actually shows on title. If the room is thin, compare the line against a cash-out refinance before paying anything off.

If you are considering a home equity line and want to see how the numbers work, Lendmire can help you compare your options through a HELOC, based on the property, the equity available, credit profile, combined leverage, and your goals. All figures are subject to lender guidelines and full file review, and nothing here is a commitment to lend.

About Lendmire

Lendmire (NMLS# 2371349) is a mortgage broker. Home equity lines of credit — on a primary residence, a second home or an investment property — are arranged through wholesale lenders in Lendmire’s 16 full-service states, and every line is underwritten by the lender under its program guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. Wall Street Prep: Combined Loan-to-Value (CLTV)

2. CFPB Issue Spotlight: Solar Financing

3. Pender & Coward: What to Know About UCC Liens Before Going Solar

4. FHFA Statement on Certain Super-Priority Liens