How a Construction-to-Permanent Loan Works
A construction-to-permanent loan is structured in two phases, but closed as a single transaction at the outset:
Phase 1 — Construction: During the build, the loan functions as a construction line of credit. Your lender disburses funds in stages (draws) as your builder completes milestones — foundation, framing, mechanical systems, and so on. You pay interest only on the amount that has been drawn, not the full loan balance. This phase typically lasts 6 to 18 months depending on the complexity of the build.
Phase 2 — Permanent mortgage: Once the home is complete and receives a certificate of occupancy, the loan automatically converts (or “modifies”) into a permanent mortgage — typically a 30-year or 15-year fixed-rate loan. No second application, no second closing, no second set of closing costs. The permanent rate may be locked at the original closing or at conversion, depending on the lender’s program.
Because both phases are governed by a single set of loan documents, you know your permanent terms before construction begins. This predictability is a major advantage over two-time-close structures where the permanent rate is uncertain until the build is finished.
Who It’s For
Construction-to-permanent loans are designed for borrowers who are building a primary residence or second home and want the simplicity and cost savings of a single closing. They are especially well-suited for:
- First-time custom home builders who want predictability and fewer moving parts in the financing process.
- Borrowers who already own their lot — the land value can typically serve as part or all of the required down payment (equity contribution).
- Buyers who want to lock a permanent rate early to protect against rising interest rates during a lengthy build.
- Anyone seeking to minimize closing costs — one closing means one set of title fees, appraisal costs, and lender origination charges.
C2P loans are available in conventional, FHA, and VA variants, so borrowers with a range of credit profiles and military service backgrounds can access this structure.
Typical Features and Requirements
While specific terms vary by lender and program, construction-to-permanent loans generally share these characteristics:
- Single closing: One application, one set of closing costs, one loan that covers both phases.
- Interest-only during construction: Monthly payments during the build are calculated only on the amount disbursed, keeping costs manageable while the home is under construction.
- Draw schedule: Funds are released in stages tied to construction milestones, verified by inspections. This protects both the borrower and the lender.
- Rate lock options: Many lenders offer the ability to lock the permanent rate at closing or within a window before conversion. Lock terms and float-down provisions vary.
- Down payment: Conventional C2P loans typically require a down payment in the range of 20–25% of the total project cost (land + construction). FHA and VA variants may allow significantly less.
- Builder approval: Lenders require the builder to be licensed, insured, and experienced. Some maintain approved builder lists; others evaluate on a case-by-case basis.
- Plans and budget required: A complete set of construction plans, a detailed line-item budget, and a signed builder contract are required before closing.
Borrowers should confirm current requirements directly with their lender, as program guidelines evolve over time and differ between institutions.
Finding Construction-to-Permanent Lenders
Construction-to-permanent lending is a specialty. Not every mortgage lender offers C2P loans, and among those that do, experience levels vary significantly. A lender who regularly closes C2P transactions will have smoother draw processes, better builder relationships, and more realistic timelines than one who handles them infrequently.
When evaluating C2P lenders, consider asking:
- How many construction-to-permanent loans do you close per year?
- What is your typical draw turnaround time once an inspection passes?
- Do you offer a rate lock at closing, and what are the float-down provisions?
- What are your builder approval requirements?
- Can you walk me through your inspection and disbursement process?
Because C2P loans involve ongoing lender interaction throughout the build (inspections, draw approvals, change-order handling), the quality of the lender relationship matters more here than with a standard purchase mortgage. Getting matched with a specialist who understands construction timelines can make the difference between a smooth build and a frustrating one.
Frequently Asked Questions
What is a construction-to-permanent loan?
A construction-to-permanent loan (also called a C2P loan or single-close construction loan) is a single loan that finances both the construction of a new home and the permanent mortgage. It closes once, functions as a construction line of credit during the build, and then automatically converts to a traditional fixed-rate mortgage when the home is complete. This structure saves borrowers from needing a second closing and protects against interest rate changes between phases.
How does a construction-to-permanent loan work?
The loan closes before construction begins. During the build phase, the lender releases funds in draws as construction milestones are completed and inspected. You pay interest only on the amount drawn. Once the home is finished and receives a certificate of occupancy, the loan converts to a permanent mortgage with principal-and-interest payments over the agreed term (typically 30 years). No second application or closing is required.
What are the advantages of a C2P loan over a two-time-close loan?
The primary advantages are cost savings and rate certainty. With a C2P loan, you pay closing costs only once (saving thousands in duplicate title, appraisal, and origination fees). You also know your permanent mortgage terms before construction begins, eliminating the risk that rates rise during the build. Two-time-close loans offer more flexibility to shop for a permanent loan at completion, but at the cost of two full closings and rate uncertainty.
What credit score do I need for a construction-to-permanent loan?
Credit requirements vary by lender and program type. Conventional C2P loans generally require credit scores in the mid-to-upper range for the most competitive terms, though some lenders work with borrowers across a range of profiles. FHA construction-to-permanent loans may be available to borrowers with lower scores. Because requirements change over time and differ between institutions, the best approach is to get pre-qualified with a construction loan specialist who can evaluate your specific situation.