The Quick Read: No single bank offers “the” maximum line, because every lender sets its own combined loan-to-value cap and its own dollar cap. Your usable line is the lower of those two limits, trimmed further by your credit, debt load, and the home’s value. Finding the right lender means matching its ceiling to your own situation.
- The cap that binds first is either a percentage of home value or a flat dollar limit.
- On Lendmire’s wholesale network, an investment-property line tops out at 70% combined loan-to-value (CLTV).
- Primary-residence and second-home lines reach 90% CLTV, but only at a 720-or-better credit profile.
- Lines run up to $750,000, and anything above $500,000 is available on a primary residence only.
- A broker that shops several wholesale lenders can match your property and credit profile to the program that fits.
What Does “Maximum Line Amount” Actually Mean?
The phrase hides three different limits. The first is the percentage cap: the share of your home’s value a lender will let you owe in total. The second is the dollar cap: a flat ceiling no matter how much equity you hold. The third is the amount you personally qualify for, which depends on credit, income, and debt.
How large a line the equity supports.
An equity line is sized by combined loan-to-value, occupancy, and credit — not by rental coverage. Switch the occupancy or the credit band and the ceiling moves with it.
Investment-property lines require a 700 minimum credit score; second-home lines start at a 640 minimum and primary-residence lines at 600, and the combined-LTV ceiling steps down as the credit band drops on primary-residence and second-home lines and holds on investment-property lines; the line cap steps down on primary-residence lines and holds at every tier on investment-property and second-home lines.
A debt-to-income ratio above 45% requires 680+ credit. Profiles under 640 are limited to single-family homes. At least 75% of the approved line is drawn at closing. Ceilings, floors, and caps update from Lendmire’s centralized guideline source.
Line estimate
Illustrative estimate only — not a quote, Loan Estimate, approval, or commitment to lend. The rate is an editable assumption; equity-line pricing is variable through both the draw and repayment periods and never converts to fixed. Occupancy and credit drive the ceiling together: an investment property tops out at 70% combined LTV (minimum credit 700, line cap $500,000); a second home tops out at 90% combined LTV (minimum credit 640, line cap $500,000), with the ceiling stepping down as the credit band drops (the cap holds at every tier); a primary residence tops out at 90% combined LTV (minimum credit 600), and its $750,000 maximum line is available only at 75% combined LTV or below with a 700-or-better credit profile (720 on the longer-runway program) and a full appraisal. Lines above $500,000 require a full appraisal. Credit, debt-to-income, property type, and full underwriting review all affect the final line.
Your real maximum is the smallest of the three. A homeowner with huge equity can hit the dollar cap. A homeowner with a high mortgage balance hits the percentage cap first. A borrower with heavy debt can hit the personal limit before either one.
CLTV is the combined loan-to-value ratio. It adds your existing mortgage and the new line together, then divides by the home’s value. That is why a lender cannot lend you all your equity. The cap leaves a cushion for the lender.
Yahoo Finance explains that the amount you can draw depends on the maximum CLTV the lender allows. The same piece notes that lenders also set maximum line amounts of their own, and it points to one large lender with a $500,000 cap as an example.
Which Banks Offer a HELOC for the Maximum Line Amount?
The lenders that write the largest lines depend on your situation: the property type, how you hold title, your credit profile, and how much combined leverage you need. Naming one bank as the winner would mislead you. Big banks, credit unions, and online lenders each run their own credit policy within the limits regulators set.
A broker answers this question differently from a single bank. Lendmire is a mortgage broker, not a lender. It works with a network of wholesale HELOC lenders and matches the scenario to the program whose limits fit. The best program for your situation is the one with the highest ceiling you actually qualify for.
The rest of this article shows how those limits work, so you can judge any lender’s published “up to” number for yourself.
How Is the Maximum Calculated, Step by Step?
The calculation follows six steps. The first four set the size of the line. The last two decide whether you get it.
1. Establish value. The lender uses an appraisal or other valuation to set the home’s value. The Yahoo Finance piece describes this as the starting point for your equity. NerdWallet notes that investment properties may need multiple appraisals.
2. Apply the CLTV cap. Multiply the value by the lender’s cap. Then subtract what you owe on the first mortgage. The result is the room under the percentage cap.
3. Check the dollar cap. Compare that room with the lender’s maximum line. The smaller number wins.
4. Check the line-size rules for your occupancy type. Some sizes are open only to certain property uses and credit tiers.
5. Run credit and debt-to-income (DTI). DTI compares your monthly debts with your income. Lenders can shrink or decline a line even when equity is plentiful.
6. Review the file. The lender looks at title, property type, and your other financed properties.
Many lenders also treat the full credit limit as a debt for qualifying, even if you draw less. That is common practice rather than a published rule, so ask any lender how it counts an undrawn line.
Two Worked Examples: When the Percentage Binds and When the Dollar Cap Does
Two examples show which limit bites. Both use percentages of value rather than dollar math.
Example one: the percentage cap binds. Picture a primary residence with a 720-plus credit profile, where the 90% CLTV tier applies up to $500,000. Say the first mortgage equals 60% of the home’s value. Your room is 30% of value. On a moderately priced home, that room is smaller than the $500,000 line ceiling, so the percentage cap sets the line.
Example two: the dollar cap binds. Picture a primary residence valued well above $1,000,000 and nearly paid off. The credit profile is 700 or better. The 75% CLTV tier would suggest more room than the largest line the network offers, which is $750,000. The dollar cap trims the line, and a full appraisal is part of that larger line.
The same home could hit different limits at different credit tiers. A stronger profile moves you to a higher percentage tier. It does not remove the dollar cap.
Where Does the Network Ceiling Sit by Occupancy?
The ceiling depends on what the property is used for. Lendmire places files with two wholesale programs. One is a higher-leverage program, built for higher CLTV tiers. The other is a longer-runway program, built around a longer interest-only draw period. Each figure below belongs to its own program’s terms, and every figure is subject to lender guidelines and full file review.
| Occupancy | Top CLTV ceiling | Credit profile | Largest line |
|---|---|---|---|
| Primary residence | 90% CLTV | 720+ | $500,000 |
| Primary residence | 75% CLTV | 700+ (720 on the longer-runway program) | $750,000 |
| Second home | 90% CLTV | 720+ | $500,000 |
| Investment property | 70% CLTV | 700+ | $500,000 |
Read the first two rows together, because primary residences carry a tradeoff. At 720 you can take 90% CLTV up to $500,000. You can instead take a larger line, up to $750,000, but at a reduced 75% CLTV, with a full appraisal. The $750,000 line opens at a 700-or-better credit profile on the higher-leverage program and 720 on the longer-runway structure.
The 90% figure exists only at a 720-or-better credit profile. It is not a general rule. Below that, the primary-residence tiers step down:
- 700+, 680+ and 660+ profiles each reach 85% CLTV up to $500,000.
- 640+ reaches 80% CLTV up to $500,000.
- 620+ reaches 70% CLTV up to $400,000.
- 600+ reaches 60% CLTV up to $400,000, and 600 is the program minimum.
Market-wide surveys paint a different picture for investment properties. NerdWallet reports typical investment-property HELOC terms of a 720-plus score and a 90% maximum LTV across the broader market. The network figure is the 70% CLTV shown in the table.
How Do Draw Periods and Structure Change the Line?
Lines on this network are standalone, in first or second lien position. Primary residences and second homes have two draw structures. One has a 3-year interest-only draw followed by a 17-year fully amortizing repayment. The other has a 5-year interest-only draw followed by a 25-year fully amortizing repayment. Investment lines use only the 5-year draw and 25-year repayment structure.
At least 75% of the line is drawn at closing on both programs. That is a big difference from a traditional HELOC you leave undrawn. Read Lendmire’s piece Banks That Offer an Investment Property HELOC Without Drawing on the Line Right Away with that requirement in mind. Pricing on both structures floats across the draw and the repayment period and never converts to a fixed payment.
After closing, the minimum subsequent draw is typically $1,000 on the longer-runway program. The higher-leverage program does not state a subsequent-draw minimum. Line sizes run from $25,000 up to $750,000, and a few states set a lower floor.
How Do Credit, Debt, and Valuation Shape Your Line?
Credit sets the CLTV tier, as the list above shows. The network uses a single-bureau score keyed to the primary wage earner. The report can be no more than 90 days old at closing, and rescores are not available.
DTI is capped at 50%. For credit profiles from 600 to 679, the cap drops to 45%. A ratio above 45% needs a 680 minimum. The lender reviews your file on the interest-only payment calculated on the maximum draw, so a bigger line raises your own qualifying burden.
Valuation changes with size. Lines at or below $500,000 ordinarily run an automated valuation with no traditional appraisal. A higher CLTV can still require a secondary valuation. Every line above $500,000 needs a full appraisal, and you can request one on a smaller line too.
Business bank accounts add a gate. If you want the lender to analyze deposits from a business account, the minimum score is 680. A 640 borrower can qualify for the line but cannot use business accounts.
Where the General Rule Breaks
Most rules above bend at the edges. These are the named edge cases.
Investment property. An investment-property line is harder to get than a primary-home line. NerdWallet says lenders see higher default risk and some restrict these lines by location or by whether the home is rented year-round. On this network the ceiling is 70% CLTV, the credit floor is 700, and the line cannot exceed $500,000.
Title and vesting. The property must be held by you personally or by a revocable living trust. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title. A property already deeded to an LLC needs a vesting change first. It may be a better fit for a DSCR cash-out refinance, which is available for LLC-titled rentals subject to lender program eligibility.
Property type. Single-family homes, 2-4 unit properties, PUDs, townhomes, and condominiums are eligible. Non-warrantable condos qualify too. Modular factory-built homes are eligible on the longer-runway program only. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural-zoned properties are not eligible on either program.
Exposure. A borrower can hold at most three lines. Combined exposure caps at $2,000,000 on the higher-leverage program and $750,000 on the longer-runway program. A borrower with more than 15 financed properties is not eligible.
Credit history. A bankruptcy needs 4 years of seasoning from discharge or dismissal. On primary residences and second homes, the two programs split on foreclosure history. One seasons a foreclosure at 7 years and a short sale or deed-in-lieu at 4 years. The other declines the history entirely. Investment files follow the 7-and-4-year path.
Sub-640 profiles. Primary-residence scores can run as low as 600, but under the longer-runway program, scores below 640 are limited to single-family residences with a clean 12-month housing history. That restriction reaches primary residences only, because second homes floor at 640 and investment properties at 700.
Listed properties. A property listed for sale, or listed within the past 60 days, is ineligible in several states.
Why Might You Get Less Than the Maximum?
An approved line is not a promise that it stays that size. The CFPB’s HELOC brochure warns that lenders may reduce your credit line if the home’s value falls. It also says that if you sell the home, you generally must pay the HELOC off in full right away.
Several things shrink an offer before it ever reaches that point:
- A fresh valuation lands below what you expected.
- Your DTI runs high once the lender uses the maximum-draw payment.
- Your credit profile places you in a lower CLTV tier.
- The property type or title does not fit the program.
- Existing liens or other lines count against your combined exposure.
HELOC or DSCR Cash-Out: Which Fits an Investor?
A home equity line is reviewed against personal profile and your equity. A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. DSCR means debt service coverage ratio: monthly rent divided by the full monthly housing payment, including principal, interest, taxes, insurance, and any HOA dues.
That split drives the decision. If your equity is in a primary home and your personal profile is strong, a line on that home can fund a down payment on a rental. If your equity sits in the rental itself, or the rental is titled to an LLC, a DSCR cash-out refinance reviews the property’s rental income directly. NerdWallet’s guide notes the same alternative, suggesting a DSCR second mortgage or cash-out refinance for a property you mainly rent.
On Lendmire’s network, a DSCR cash-out refinance on a standard rental tops out around 75% LTV, and about 6 months of seasoning is the common expectation. Short-term-rental collateral caps lower, at 70% on a cash-out. DSCR coverage of 1.00 is where select programs start, and stronger ratios can open better pricing and leverage. Remember that clearing 1.00 is not the same as positive cash flow. Repairs, vacancy, management, and capex sit outside the calculation. Final terms depend on the lender’s guidelines, the property type, and the borrower’s complete credit picture.
To see how the line itself is built before you compare it with a cash-out, read Lendmire’s piece on the best HELOC program for the maximum line amount on your home. For the DSCR side, the complete DSCR loans guide covers qualification step by step.
Drawing the maximum has real costs. Variable pricing can strain rental cash flow. Your home is the collateral. And repayment begins after the interest-only draw ends, so the payment structure changes.
How Can You Raise Your Line?
You cannot negotiate past a program’s hard caps. You can move which tier you fall into.
1. Pay down the first mortgage. A lower balance widens the room under the percentage cap.
2. Lift your credit profile. Crossing 700 or 720 can move you to a higher CLTV tier. It can also open the larger line sizes.
3. Lower your DTI. Clearing other debts helps you stay under the 45% and 50% caps.
4. Request a full appraisal. A borrower can request one on any line. It may help if you believe an automated value understates the home.
5. Fix title and property fit. Move the property into your own name or a revocable trust before applying, where that makes sense.
Say you own a home with plenty of equity but sit near a tier break. A few points of credit or a modest paydown can move you to a better tier. Run both changes before you apply, not after.
What Should You Ask Before You Apply?
Published “up to” numbers are marketing figures with eligibility conditions. These questions find the true maximum for your scenario.
- What is the CLTV cap for my occupancy type and credit score?
- What is the dollar cap, and does it differ by property use?
- Is the valuation automated, or do I need a full appraisal?
- How does the lender count the full limit when it calculates my DTI?
- How much must I draw at closing?
- Does pricing float throughout, or can it convert to a fixed payment?
- Can my title or property type hold this line at all?
Key Terms Defined
CLTV (combined loan-to-value): Your existing mortgage plus the new line, divided by the home’s value.
Line amount: The credit limit you can borrow against, set by the lowest of the lender’s limits and your own profile.
DTI (debt-to-income): Your monthly debt payments divided by your monthly income.
Interest-only draw period: The early years of the line when you pay only interest, before repayment starts.
DSCR: A rental property’s income divided by its full housing payment, used to qualify DSCR loans on property income.
Vesting: How title to the property is held, such as in your own name or in a trust.
How a Broker Finds the Fit
A bank can only show you its own program. Lendmire is a mortgage broker that arranges financing through select wholesale lenders in its network. It is never the lender. Its DSCR investor programs run across 41 markets, including Washington, D.C. Its home equity lines are available only in 16 full-service states.
A broker looks at your property use, credit profile, title, and combined leverage need, then matches the file to the program with the ceiling you can actually reach. Programs change, and every file is underwritten individually.
If you are considering a home equity line and want to see how the numbers work, Lendmire can help you compare HELOC options based on the property, the equity available, credit profile, combined leverage, and your goals.
Frequently Asked Questions
What is the largest HELOC I can get on my home?
On Lendmire’s network, the largest line is $750,000. It is available on a primary residence only, with a 700-or-better credit profile (720 on the longer-runway structure), a 75% CLTV cap, and a full appraisal. Lines above $500,000 are not available on second homes or investment properties. All figures are subject to lender guidelines.
Can I borrow 100% of my equity?
No. Lenders cap combined leverage so you always keep some equity in the home. On this network, the highest ceiling is 90% CLTV on a primary residence or second home, and only at a 720-plus credit profile. An investment property tops out at 70% CLTV.
Can I get a HELOC on a rental property?
Sometimes. Lenders treat investment lines as riskier, and not all of them offer one. On Lendmire’s network, an investment-property line needs a 700 score, caps at 70% CLTV, and cannot exceed $500,000. The property must be titled to you or a revocable trust, not an LLC.
How many lines can one borrower hold?
Up to three lines on this network.
Does a bigger HELOC help me qualify for a DSCR loan?
No. A home equity line is underwritten on you and your equity, while a DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. The two tests are separate, so a file has to satisfy each one on its own terms.
About Lendmire
Lendmire — NMLS# 2371349 — is a mortgage broker that arranges home equity lines of credit in its 16 full-service states through wholesale lenders, on primary residences, second homes and investment properties. Every line is subject to the lender’s guidelines and full underwriting. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
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Informational only. Not a Loan Estimate, approval, or commitment to lend. Program availability and eligibility are subject to lender guidelines, credit approval, property review, and underwriting.
References
1. Yahoo Finance, how much HELOC can I get
2. NerdWallet: HELOC on an Investment Property
4. NerdWallet: HELOC on an Investment Property (updated)
This article is part of Lendmire’s HELOC & home equity loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: Banks That Offer an Investment Property HELOC to Buy a Rental Property · Banks That Offer a DSCR HELOC to Cover a Down Payment
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
- Mortgage Loan Originator · NMLS# 1129696 · Verify on NMLS Consumer Access
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Legal disclosures. Lendmire (NMLS# 2371349) is a state-licensed mortgage brokerage that arranges financing through wholesale lender relationships. Lendmire is not a direct lender, depository institution, or registered financial advisor. The discussion above is general informational content about real estate financing — it is not financial, legal, or tax advice, and readers should consult licensed professionals for guidance on their individual circumstances. Loan inquiries are subject to lender underwriting; this article does not represent a commitment to lend. Loan terms, rates, and qualification standards vary by borrower, property, and state, and are subject to change at any time. Equal Housing Opportunity. NMLS Consumer Access: nmlsconsumeraccess.org.