How Construction-to-Permanent Mortgage Loans Work: A Complete Guide
If you’re planning to build your dream home from the ground up, a construction-to-permanent mortgage loan—often called a construction perm loan—might be the perfect financing solution. This type of loan simplifies the process by combining construction financing and a traditional mortgage into one convenient package.
In this guide, we’ll break down how construction perm loans work, their benefits, and what you need to qualify.
What Is a Construction-to-Permanent Loan?
A construction-to-permanent loan is a type of mortgage that covers the cost of building a home and then automatically converts into a permanent mortgage once construction is complete. Instead of applying for two separate loans (a short-term construction loan and a long-term mortgage), you only go through the process once.
How It Works: Step-by-Step
- Loan Approval & Builder Selection
You’ll get pre-approved for the loan amount based on your credit, income, and the estimated cost of construction. You’ll also need to choose a licensed builder and submit detailed construction plans and a budget. - Construction Phase (Draw Period)
During construction, the lender disburses funds in stages (called “draws”) as work is completed. You typically make interest-only payments on the amount drawn during this phase. - Completion & Conversion
Once the home is finished and passes final inspections, the loan automatically converts into a traditional mortgage—usually a 15- or 30-year fixed-rate loan. You then begin making regular principal and interest payments.
Key Benefits of Construction Perm Loans
- ✅ One Closing: You save time and money by avoiding two separate closings.
- ✅ Locked-In Rates: Many lenders allow you to lock in your mortgage rate before construction begins.
- ✅ Simplified Process: One application, one approval, and one set of closing costs.
- ✅ Interest-Only During Construction: Lower payments while your home is being built.
Who Should Consider a Construction Perm Loan?
This type of loan is ideal for:
- Homebuyers building a custom home
- Buyers working with a builder on a new construction project
- Those who want to avoid the hassle of two separate loans
What You’ll Need to Qualify
To get approved for a construction-to-permanent loan, lenders typically require:
- Good to excellent credit (usually 680+)
- A stable income and low debt-to-income ratio
- A detailed construction plan and timeline
- A licensed and approved builder
- A down payment (often 10–20%)
Final Thoughts
A construction-to-permanent loan offers a streamlined way to finance your custom home build. With just one closing and the ability to lock in your mortgage rate early, it’s a smart option for many homebuyers looking to simplify the process.
Before you begin, talk to a trusted lender or mortgage advisor to see if this loan type fits your needs and budget.

