Background and purpose

Construction-to-permanent financing (also called a one-time close or construction-perm loan) streamlines borrowing by combining construction funds and the permanent mortgage into a single loan. Lenders underwrite both the build and the finished home up front so the loan converts automatically at completion, avoiding a second closing and duplicate closing costs. This saves time and often money but requires more detailed documentation at application.

What lenders expect in an application

  • Project package: architectural plans, specifications, permit-ready drawings, and a realistic timeline.
  • Contractor documentation: signed fixed‑price contract or detailed bid from a licensed general contractor, proof of contractor insurance and licensing, and subcontractor lists.
  • Budget and contingency: an itemized construction budget (hard and soft costs) and a contingency reserve (commonly 5–15%).
  • Draw schedule: staged disbursements tied to inspections or milestones (foundation, framing, mechanicals, drywall, final). Lenders use draws plus on-site/third‑party inspections to release funds.
  • Borrower credentials: two recent years of tax returns, recent pay stubs, W-2s, bank statements, asset statements, credit report authorization, and employment verification.
  • Collateral and value evidence: land deed or purchase contract, recent appraisal or construction‑to‑value estimate. During construction lenders focus on Loan‑to‑Cost (LTC); the permanent phase uses Loan‑to‑Value (LTV).

Key steps and timeline

  1. Pre-qualification and lender selection
  • Get pre‑qualified to understand how much you can borrow and which loan products (one‑time close vs. separate loans) a lender offers. Choose a lender experienced in construction loans — their processes and inspector panel matter.
  1. Assemble the application package
  • Gather plans, permits (or permit application), contractor contract, itemized budget, draw schedule, insurance certificates, and your financial documents.
  1. Underwriting and appraisal
  • Lenders underwrite both borrower creditworthiness and the project. Expect a construction appraisal or builder’s estimate. The lender will evaluate LTC during construction and LTV for permanent conversion.
  1. Closing and construction
  • Initial closing funds the first draw or interest reserve (if applicable). The lender will release draws per schedule after verification and construction inspections.
  1. Conversion to permanent mortgage
  • After final inspection, certificate of occupancy, and final appraisal, the lender converts the loan to the permanent mortgage. Confirm timing and any rate lock/float details with your lender.

Practical checklist you can use

  • Pre‑approval letter from lender
  • Site plan and architectural drawings
  • Signed construction contract with payment schedule
  • Detailed cost estimate and contingency
  • Permits or permit application receipts
  • Proof of borrower income, assets, and identity
  • Land title and homeowners insurance
  • Builder license and insurance documentation
  • Proposed draw schedule and inspection plan

Common application pitfalls (and how to avoid them)

  • Underestimating cost overruns: add a 10–15% contingency to your budget and budget for soft costs (permits, utility hookups, landscaping).
  • Weak contractor documentation: lenders prefer fixed‑price contracts with an experienced GC and clear warranties.
  • Missing permits or delayed inspections: start permit applications early; inspections gate draw releases.
  • Confusing LTC with LTV: lenders price and approve construction based on LTC but convert using LTV — review both metrics with your lender.

Professional tips from practice

  • Use a lender who handles multiple construction‑to‑permanent loans—experience shortens underwriting and prevents surprises.
  • Ask for a sample draw schedule and inspection checklist before signing the contract.
  • Consider an interest reserve to avoid monthly interest payments during construction; verify who pays inspections and appraisal costs.
  • Lock or float your permanent rate proactively. One‑time close loans may let you lock at closing for the permanent rate or provide a rate‑lock window.

Tools and terms to know

FAQ (short answers)

Q: Who can qualify?
A: Owner‑occupants and investors who meet credit, income, and project underwriting standards; lender guidelines vary.

Q: What inspections are required for draws?
A: Inspections typically verify completed milestone work (foundation, framing, rough‑in, final). Lenders may use in‑house or third‑party inspectors.

Q: Can I change contractors mid‑project?
A: Possibly, but expect lender approval, a review of the new contract, and potential pause in draws until the new contractor is vetted.

Authoritative resources and where to read more

Professional disclaimer

This article is educational and does not constitute individualized financial or legal advice. Your lender’s specific underwriting standards may differ; consult a mortgage professional or attorney for guidance tailored to your project.

Sources cited inline: CFPB, HUD, NAHB. In my practice I’ve found that applicants who deliver a complete project package and work with experienced lenders reduce approval time and minimize cost surprises.