You typically need a mid-to-high credit score to qualify for a HELOC—most lenders look for something in the 620–700+ range, with stronger approvals and larger lines more likely at 700+. Approval and line size also depend on many other factors.

Key factors lenders consider
- Home equity / CLTV (combined loan-to-value): Lenders usually limit combined loans to a percentage of your home’s value (often in the 75–90% range depending on the lender and property). More equity = bigger possible line.
- Credit score and credit history: Higher scores improve odds and can increase the line amount. Payment history, recent missed payments, charge-offs, or a history of late payments weigh heavily.
- Debt-to-income (DTI): Lower DTI (generally under about 43–50% depending on program) makes approval and larger lines easier.
- Income and employment stability: Steady income and employment documentation support larger lines and smoother approvals.
- Property type and occupancy: Primary residences generally qualify easier and for larger amounts than second homes or investment properties.
- Credit utilization & recent inquiries: High card balances or many recent credit pulls can hurt approval or reduce the line size.
- Recent bankruptcies, foreclosures, or short sales: These typically require waiting periods (seasoning) before qualifying.
- Appraisal and title: Lenders usually require an appraisal; title issues or existing liens can reduce available equity.
- Reserves and assets: Cash reserves or liquid assets can strengthen your application and support a larger line.

What to expect in practice
- Lenders will calculate CLTV, verify income, pull a credit report, and often require an appraisal.
- Even with the same score, two applicants can get very different line sizes because equity, DTI, and property type matter a lot.

Most HELOC lenders require a minimum credit score of 620-640, though some programs accept scores as low as 600. However, higher credit scores typically unlock better terms and larger credit lines. Borrowers with scores above 700 generally receive more favorable treatment during underwriting.

**Key factors affecting HELOC approval and line size:**

**Home equity requirements**
- You typically need at least 15-20% equity remaining after the HELOC
- Most lenders use a combined loan-to-value (CLTV) ratio of 80-90%, meaning your first mortgage plus the HELOC cannot exceed 80-90% of your home's value
- Some programs allow higher CLTV ratios for excellent credit profiles

**Debt-to-income ratio (DTI)**
- Lenders generally prefer DTI below 43%, though some allow up to 50%
- Your new HELOC payment gets factored into this calculation
- Income stability and documentation matter significantly

**Income verification**
- Traditional employment income requires recent pay stubs and W-2s
- Self-employed borrowers need tax returns (typically two years)
- Alternative documentation may be available for certain programs

**Property type and occupancy**
- Primary residences receive the most favorable terms
- Second homes and investment properties face stricter requirements and lower CLTV limits
- Some lenders restrict certain property types entirely

**Additional considerations:**
- Recent late payments or derogatory marks can derail approval even with adequate credit scores
- Your current mortgage payment history carries significant weight
- Cash reserves may be required depending on the lender
- Home appraisal results directly impact your available credit line

The maximum HELOC amount is calculated by multiplying your home's appraised value by the lender's maximum CLTV, then subtracting your existing mortgage balance. For example, with a $400,000 home value at 85% CLTV and a $250,000 first mortgage, you'd potentially qualify for a $90,000 HELOC ($340,000 - $250,000).

Lenders generally look for a minimum credit score of 680 for a Home Equity Line of Credit (HELOC), though some may have higher requirements, often 700 or more. A higher credit score not only improves your chances of approval but can also help you secure a more favorable interest rate and a larger credit line.

While your credit score is a critical starting point, lenders evaluate several other factors to determine your eligibility, the size of your credit line, and the terms offered. These elements provide a complete picture of your financial health and the risk involved.

Key factors include:

* **Home Equity and Combined Loan-to-Value (CLTV):** This is the most important factor after your credit. Lenders calculate your CLTV by adding your current mortgage balance and the desired HELOC amount, then dividing that total by your home's appraised value. Most lenders require your CLTV to be 85% or lower. For example, if your home is worth $500,000, a lender might allow your total mortgage debt (including the HELOC) to be up to $425,000.
* **Debt-to-Income (DTI) Ratio:** Your DTI compares your total monthly debt payments (including your mortgage, car loans, credit cards, and the potential HELOC payment) to your gross monthly income. Lenders use this to ensure you can comfortably manage the additional debt. A lower DTI is always better, with many lenders preferring a ratio under 43-45%.
* **Income and Employment History:** Lenders need to see stable, verifiable income sufficient to repay the line of credit. A consistent two-year employment history is a common requirement, demonstrating financial stability.
* **Property Type:** It is typically easier to get approved for a HELOC on a primary residence than on a second home or investment property. The terms and CLTV limits may also be more restrictive for non-primary residences.