ADU Financing · Santa Clarita & Los Angeles

Your backyard
could be your
best investment.

Los Angeles homeowners are sitting on equity that can build an ADU — and an ADU can generate $1,500–$3,000/month in rental income. Let's turn your equity into a cash-flowing asset.

Explore Financing Options
$1.5K+Avg Monthly ADU Rent (SCV)
80%Max LTV for HELOC
$150K+Typical Build Cost
SB9 ✓CA ADU Law Applies
ADU Financing Options

Three ways to fund your ADU build

There's no one-size-fits-all answer for ADU financing. The right approach depends on how much equity you have, your current rate, and how quickly you need funds. Here's how each option works:

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HELOC

A Home Equity Line of Credit lets you draw funds as you need them during construction — you only pay interest on what you use. Best if you want flexibility and have 20%+ equity.

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Cash-Out Refinance

Refinance your existing mortgage and pull out equity in a lump sum. Best if your current rate is near market and you want one simple payment. Funds available at close.

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Construction Loan

A short-term loan that covers construction costs, then converts to a permanent mortgage. Best for larger builds or if you have limited existing equity.

Comparing ADU financing side by side

FeatureHELOCCash-Out RefiConstruction Loan
How funds are disbursed Draw as needed Lump sum at close In draws during build
Affects existing mortgage? No — 2nd lien Yes — replaces 1st Varies
Best for Flexibility, phased builds Lump sum needed now Large or complex builds
Min equity required ~20% ~20% Lower — future value used
Rate type Variable (Prime-based) Fixed or ARM Short-term, then permanent
Closing costs Low Standard refi costs Higher
Who This Is For

Great candidates for ADU financing in LA

Homeowners with 20%+ equity looking to generate rental income
Parents wanting a separate unit for family members
Homeowners in high-rent SCV/LA neighborhoods (Airbnb potential)
Investors adding a second unit to increase property value
Homeowners looking to offset mortgage payments with rental income
Anyone planning for multigenerational living

CalHFA ADU Grant & assistance programs

California offers grant programs that can offset ADU pre-development costs — including plans, permits, and site prep fees. Combined with a HELOC or cash-out refi, these programs can significantly reduce your out-of-pocket costs before construction begins.

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CalHFA ADU Grant

Up to $40,000 in grant funds for predevelopment costs (plans, permits, site prep) for qualifying homeowners. Does not need to be repaid if you build the ADU.

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Income Limits Apply

CalHFA programs have income limits based on county median income. I'll verify eligibility as part of your initial consultation — no paperwork required upfront.

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SB 9 & Local Rules

California's SB 9 streamlines ADU permitting statewide. Santa Clarita, Burbank, and Glendale each have additional local ADU programs worth exploring.

How It Works

From equity review to construction funds in hand

1

Free Equity Review

Tell me your address and rough current mortgage balance. I'll estimate your available equity and walk you through which financing option fits your situation — no cost, no commitment.

2

Choose Your Financing Path

We'll select the right product — HELOC, cash-out refi, or construction loan — and I'll explain exactly how much you can access, at what rate, and what the monthly payment looks like.

3

Appraisal & Approval

A quick appraisal confirms your home's current value. Most ADU financing approvals come through in 2–3 weeks from application.

4

Funds Available — Build Starts

Once the loan closes, your funds are available to pay contractors. A HELOC lets you draw as each phase completes; a cash-out refi puts the full amount in your account at closing.

ADU financing FAQs

How much equity do I need to finance an ADU?
Most lenders allow you to borrow up to 80% of your home's value minus your existing mortgage balance. For example, a $700K home with a $350K mortgage has ~$210K in accessible equity — enough to fund most ADU builds in SCV.
Will an ADU increase my home's value?
Yes — studies show ADUs add significant value to properties, particularly in high-demand LA markets. A well-built ADU in SCV or Burbank can add $150,000–$250,000 to your home's appraised value, depending on size and finish.
Can I rent the ADU on Airbnb?
Depends on your city. Santa Clarita, Burbank, and Glendale each have their own short-term rental regulations. I can refer you to a local real estate attorney who can advise on STR rules in your specific city before you build.
Does the rental income from the ADU count toward my loan qualification?
In some cases, yes. For cash-out refis, projected rental income from the ADU can sometimes be factored in using an appraiser's rent schedule. For HELOCs, qualification is typically based on your existing income only.
What does an ADU typically cost to build in the LA area?
Costs vary widely based on size, type (detached, attached, garage conversion), and finish level. In the SCV/LA market, budget approximately $150,000–$350,000 for a typical detached ADU. Garage conversions often run $80,000–$150,000.

ADU financing for homeowners across the SCV & LA area

Santa Clarita Valley

  • Valencia
  • Canyon Country
  • Saugus
  • Stevenson Ranch

Burbank / Glendale

  • Burbank
  • Glendale
  • La Crescenta
  • Montrose

San Fernando Valley

  • Encino
  • Sherman Oaks
  • North Hollywood
  • Van Nuys

Greater LA

  • Pasadena
  • West Hills
  • Woodland Hills
  • Chatsworth
Let's Talk

Find out how much equity you can put to work

A free equity review takes 10 minutes and tells you exactly what you can access, which financing path makes sense, and what an ADU could realistically generate for you each month.

Sunny Home Loans, LLC · NMLS #2340228 · Harout · NMLS #2543120

Sunny Home Loans, LLC · NMLS #2340228 · Harout · NMLS #2543120 · Licensed by the California Department of Financial Protection and Innovation under the California Residential Mortgage Lending Act. All loan programs subject to credit approval. Rates, terms, and availability may vary and are subject to change without notice. This is not a commitment to lend. DSCR and bank statement programs are for non-owner-occupied investment properties and self-employed borrowers respectively — additional restrictions may apply. Equal Housing Lender.