Not enough equity for a HELOC or cash-out refi? ARV renovation loans let you borrow against your home's projected value after the ADU is built – not what it's worth today. Here's what these products actually do, where they fall short, and how to know if one fits your situation.
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Building an ADU in Los Angeles costs roughly $150,000 to $400,000 or more all-in, depending on unit type, size, and site conditions. For most homeowners the financing question comes down to one thing: do you have enough equity to borrow against? If the answer is "not yet," standard products — HELOCs, cash-out refis — close the door fast. ARV renovation loans were built for exactly that gap.
Yes, you can finance an ADU with little or no current equity using an ARV (after-renovation value) renovation loan. These products let lenders underwrite against your home's projected value once the ADU is complete – not what it's worth today. Platforms like RenoFi connect homeowners to lenders offering up to $750,000 or 90% of ARV. The catches: you qualify on your income (projected rent does not count under Fannie/Freddie guidelines), rates run higher than a plain cash-out refi, and conservative ADU appraisals can push LTV uncomfortably high. It's a powerful tool – but not a free pass.
The two most common ADU financing products — HELOCs and cash-out refinances — are both equity-first. A HELOC or cash-out refi calculates how much you can borrow by looking at your home's current appraised value minus what you still owe. If you bought recently, put little down, or live in a neighborhood that hasn't appreciated much, that gap can be $0.
Lenders typically cap cash-out refis at 80% loan-to-value (LTV). So on a home appraised at $700,000 with a $620,000 mortgage balance, you have $56,000 of usable equity — nowhere near enough to fund a $200,000 garage conversion, let alone a new detached unit.
A construction loan is another path, but traditional construction-to-permanent products still lean on current LTV for initial underwriting. If your current equity is thin, you either get denied or face a much smaller loan than you need.
This is the equity gap: your property is about to become much more valuable once the ADU is built, but today's lenders can only see today's number. ARV loans solve this by moving the appraisal timeline forward.
A survey of roughly 800 California ADU builders by Terner Center and CA YIMBY found that about 67% used cash savings, 43% used home equity (HELOC or cash-out refi), and only around 6.3% used renovation or construction loans. Given that ARV-style loans are the closest thing to a purpose-built tool for low-equity ADU builders, that 6.3% figure reflects a significant gap in awareness — not a sign that these loans aren't viable.
An ARV loan (sometimes called a renovation loan or renovation home equity loan) flips the appraisal question. Instead of asking "what is your home worth right now?" the lender orders a projected-value appraisal — an estimate of what your home will be worth after the ADU is complete and the work is done.
That projected number becomes the basis for underwriting. You can borrow up to $750,000 or 90% of ARV (whichever is lower) with the loan products offered through platforms like RenoFi. An important nuance: RenoFi is a marketplace and facilitator that connects homeowners with lenders — it is not itself a direct lender. The actual loan comes from a partnering bank or credit union; RenoFi's value is surfacing ARV-capable products that most local banks don't advertise.
Say your home is worth $700,000 today and you owe $580,000. With a standard cash-out refi at 80% LTV, you can borrow up to $560,000 — minus your existing balance, that's negative. You have no usable equity.
With an ARV loan, an appraiser estimates the completed ADU will bring your home's value to $900,000. At 90% of ARV, you can borrow up to $810,000. Subtract your existing $580,000 mortgage balance and you have up to $230,000 to work with — enough to fund a substantial attached or garage-conversion ADU in most LA neighborhoods.
The lender hires a licensed appraiser who reviews your plans and permit documents, then applies comparable sales data to estimate post-completion value. This is sometimes called an "as-improved" or "as-completed" appraisal. The quality of your architectural plans matters here: detailed, permitted plans that specify finishes and systems give the appraiser more to work with and generally produce a higher — and more defensible — ARV estimate.
LA ADU costs from the Terner Center's builder survey put the median California ADU at roughly $150,000 all-in, with larger or more complex units in the $250,000–$400,000+ range. The loan limits above are sufficient for most projects if the ARV appraisal comes in high enough — which is where the next section matters.
For a broader look at how renovation loans compare to other products, see our ADU financing guide for Los Angeles.
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Request an intro to a verified builderARV loans are genuinely useful for low-equity owners, but they come with two structural constraints worth understanding before you commit.
Appraisers use comparable sales — recent "comps" of similar properties — to value your ADU. In many LA neighborhoods, ADU construction is still recent enough that there aren't many resale comps with a completed accessory unit. Appraisers, when uncertain, value conservatively. The result: your projected ARV may come in lower than you'd expect based on what your neighbors are renting their ADUs for.
A lower ARV means a smaller max loan. If the appraisal puts your completed home at $820,000 instead of $900,000, that 90%-of-ARV ceiling drops from $810,000 to $738,000 — and if your existing mortgage is $650,000, your available borrowing drops significantly. This isn't a dealbreaker, but it's a reason to come in with realistic expectations about what the appraisal will say. For more on how appraisers treat ADUs, JVM Lending's breakdown is worth reading.
This surprises many homeowners: Fannie Mae and Freddie Mac do not allow lenders to count projected rental income from an ADU toward your qualifying income. You qualify based on your existing verifiable income — W-2s, self-employment income, retirement distributions — just like any other mortgage.
For the loan to make financial sense, you need to be able to service the new debt on your current income alone. If your existing mortgage is already stretching your debt-to-income ratio, adding a renovation loan on top — even one secured by a high ARV — may push your DTI past the lender's limit.
Because ARV loans let you borrow up to 90% of a projected future value, it's possible to end up with a combined LTV of 95–100% or higher if the appraisal is conservative or the loan is large. That's not inherently disqualifying, but it does mean you have limited cushion if home values dip, and it will affect your rate. These loans already price higher than a standard cash-out refi (expect construction-loan territory — verify current rates directly with lenders, since they move with the market). The combination of higher rate and high LTV is the real trade-off for low-equity borrowers.
None of this means ARV loans don't work. Thousands of California homeowners have used them. It means going in with clear eyes: the product is designed for your situation, but the underwriting is still strict and the costs are real.
ARV renovation loans fit a specific borrower profile. Here's how to self-assess.
The Terner/CA YIMBY data showing only ~6.3% of California ADU builders using renovation or construction loans likely reflects two things: lack of awareness that these products exist, and the fact that most ADU owners who used cash or a HELOC had enough equity to make standard products work. If you're genuinely equity-constrained, don't assume the low market-share figure means these loans are unsuitable — it may just mean most people in your situation didn't know to look.
Once you have a financing path in mind, the next piece is finding a builder who can deliver within your budget. Our LA ADU financing guide covers the full product landscape, and if you're ready to see what your property supports, our pre-qualification connects you with vetted builders at no cost.
We'll check your zoning, setbacks, and overlays — then connect you with a vetted, California-licensed LA builder for a free on-site feasibility assessment. No cost, no commitment.
See if your property qualifies Request a Free IntroYes, with the right product. ARV renovation loans are underwritten against your home's projected value after the ADU is built, not what it's worth today. That means homeowners with little or no current equity can still qualify for a meaningful loan amount — up to $750,000 or 90% of ARV, depending on the lender. You still need to qualify on your current income, and rates will be higher than a standard refi, but the equity barrier that blocks HELOCs and cash-out refis doesn't apply in the same way.
An ARV (after-renovation value) loan bases the loan amount on an appraisal of what your home will be worth after the ADU is completed, rather than its current market value. A HELOC, by contrast, draws on the equity you already have today — if that equity is thin, your credit line will be small or nonexistent. The ARV approach solves the low-equity problem by moving the appraisal forward in time, but it typically carries a higher interest rate and a more involved underwriting process. For a detailed side-by-side, see our HELOC vs. cash-out refi for ADUs guide.
No — not under standard Fannie Mae or Freddie Mac guidelines. Projected rental income from an ADU you haven't built yet does not count toward your qualifying income. You need to demonstrate the ability to service the full combined debt on your existing verifiable income alone (W-2 wages, self-employment, retirement income, etc.). This is the most common reason a low-equity borrower with a high ARV still struggles to qualify — their income without the future rent doesn't support the payment.
Renovation and ARV loans typically price in the range of construction loans — meaningfully higher than a plain cash-out refi on a property with established equity. The exact rate depends on your credit score, LTV, loan size, and current market conditions. Because rates move with broader interest-rate trends, any specific number quoted today may be outdated by the time you close. The right move is to get actual quotes from two or three lenders (a platform like RenoFi can surface multiple offers). Budget for a rate that's higher than what you'd see on a standard mortgage, and make sure the payment still works on your income before proceeding.
The general ceiling for ARV-style renovation loan products is $750,000 or 90% of the projected after-renovation value — whichever is lower. Your actual borrowing limit is that ceiling minus your existing mortgage balance. So if your ARV appraisal comes in at $900,000, 90% is $810,000; subtract a $620,000 remaining mortgage and you have up to $190,000 available. ADU appraisals tend to be conservative in many LA neighborhoods, so the ARV figure may come in lower than you expect — get a realistic estimate of your post-build value before counting on a specific loan amount.
Before you spend a dollar on permits, let us check your address — zoning, lot size, setbacks, overlays — and tell you straight whether an ADU is viable. If it looks good, we connect you with a vetted, California-licensed LA builder for a free on-site feasibility assessment. No cost, no commitment.
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