Construction-to-Permanent Loan Refinance: One-Close vs Two-Close Guide [2026]

One-Time-Close vs Two-Time-Close Construction-to-Permanent Loans

The fundamental decision in construction-to-permanent loan refinance is whether to use a one-time-close (OTC) or two-time-close (TTC) structure. Each approach carries distinct cost, risk, and flexibility implications that affect your total project financing from groundbreaking through permanent mortgage establishment.

Key Steps in the Construction-to-Permanent Refinance Process

1. Complete all construction draws — every scheduled disbursement must be released and verified by the lender’s inspector before permanent conversion or refinancing begins.
2. Obtain the certificate of occupancy (CO) — your local building department issues the CO after the final inspection confirms the home meets all applicable building codes.
3. Order the as-built appraisal — the lender requires a new appraisal based on the completed home to establish the permanent loan-to-value ratio.
4. Submit permanent loan application — in a two-close structure, this is a separate application with full income, asset, and credit documentation. In a one-close, the conversion is administrative.
5. Lock the permanent interest rate — timing depends on structure. Two-close borrowers lock during the permanent loan application. One-close borrowers may exercise a float-down if rates have improved.
6. Close the permanent loan — the construction loan balance is paid off, and the permanent amortizing mortgage begins. Title insurance is updated to reflect the completed property.
7. Begin permanent mortgage payments — you transition from interest-only construction payments to fully amortized principal and interest payments on the permanent loan.

When Should You Refinance Out of a Construction Loan?

The transition from construction to permanent financing is not automatic in every scenario. In a two-time-close structure, refinancing is a deliberate step that requires planning, documentation, and strategic timing. Even in a one-time-close structure, some borrowers choose to refinance the permanent portion within the first year if market conditions have improved significantly since the original closing.

From my experience helping borrowers across California and Washington build custom homes, the refinance window opens the moment your certificate of occupancy is issued and all draw disbursements are confirmed complete. Delaying beyond 60 to 90 days after CO issuance means continuing to make interest-only construction payments at typically higher rates than permanent mortgage pricing—a cost that adds up rapidly on a $600,000 to $1.5 million construction loan balance.

Borrowers building in high-cost California markets such as Orange County, Los Angeles County, and the San Francisco Bay Area frequently have construction loan balances that exceed conforming loan limits, placing their permanent financing into jumbo loan territory. Jumbo construction-to-permanent programs require specialized lenders that not every bank offers—a gap where the 200+ lender wholesale advantage becomes critical.

How Do Construction Loan Rate Locks Work During the Build Phase?

Rate lock strategy is one of the most misunderstood aspects of construction-to-permanent financing. The mechanics differ sharply between one-close and two-close structures, and the financial stakes are significant on projects that take 8 to 14 months to complete.

In a one-time-close structure, your permanent rate is locked at the initial closing—before construction begins. This protects you if rates rise during the build period, which is a meaningful risk on projects lasting a year or more. Many OTC lenders include a float-down provision: if rates drop during construction, you can reduce your permanent rate (usually once) at or near the conversion date, subject to lender-specific rules.

In a two-time-close structure, the permanent rate is not locked until you apply for the permanent loan after construction completion. This means your permanent rate is subject to market conditions at the time of your second closing—which could be 8 to 18 months after you began the build. Some lenders offer extended rate lock products (12 to 18 months) that let two-close borrowers lock early, but these carry a premium that may offset the benefit.

Having helped borrowers navigate rate volatility during build periods, I consistently see the one-close float-down provision deliver the strongest risk-adjusted outcome for most California and Washington construction projects. The certainty of a locked rate combined with the optionality to reduce it addresses both upside and downside scenarios. Two-close structures are most advantageous when the borrower is confident they will have strong credit and income at the time of permanent loan application and wants maximum flexibility to shop across lenders.

What Are Draw Schedule Completion Requirements for Permanent Conversion?

The construction draw schedule is the backbone of your construction loan. It governs when and how loan proceeds are disbursed to your builder, and its completion status directly determines when you can convert to or refinance into permanent financing.

A standard construction loan includes 4 to 6 draw stages tied to verifiable construction milestones. After each milestone, the lender sends an inspector to confirm the work is complete before releasing the next draw. Common draw stages and their typical disbursement percentages include:

The certificate of occupancy is the definitive milestone that unlocks permanent financing. Your local municipality issues the CO after a final building inspection confirms the home complies with all applicable zoning, building, fire, and safety codes. Without the CO, no permanent mortgage lender will fund—the property is still legally classified as under construction and cannot serve as collateral for a standard residential mortgage.

In my practice, I advise borrowers to begin preparing their permanent loan documentation 30 to 45 days before anticipated CO issuance. This parallel processing means you are ready to close the permanent loan within days of receiving the CO, minimizing the period of higher interest-only construction payments. For cash-out refinance scenarios where the completed home appraises above the construction cost, timing the permanent loan close efficiently can also unlock equity sooner.

What Builder Qualifications Do Lenders Require for Construction-to-Permanent Loans?

Builder qualification is a gating requirement for every construction-to-permanent loan program. Lenders underwrite the builder alongside the borrower because the builder’s ability to complete the project on time and within budget directly affects the lender’s collateral.

Minimum builder requirements across most CTP lenders include:

• Active state contractor license — In California, this is a Class B General Building Contractor license issued by the Contractors State License Board (CSLB). In Washington, a valid registration with the Department of Labor and Industries.
• General liability insurance — Minimum $1 million per occurrence, $2 million aggregate is standard for most lender requirements.
• Workers’ compensation insurance — Required by both California and Washington state law for contractors with employees.
• Track record — Most lenders require 3 to 5 completed homes within the past 24 to 36 months. Some portfolio lenders accept fewer completions for experienced custom builders.
• Financial documentation — Builder financial statements, bank references, and occasionally a credit check to verify the builder’s financial stability.
• Fixed-price or cost-plus contract — A detailed construction agreement with specifications, materials lists, timeline, and payment terms is required before loan approval.

Owner-builder arrangements—where the homeowner acts as their own general contractor—have severely limited lender availability. Most conventional and FHA CTP programs do not permit owner-builders. However, some portfolio lenders accessible through wholesale channels do accommodate owner-builders with additional requirements such as higher down payments and construction management experience documentation.

How Does a Wholesale Mortgage Broker Access Specialized CTP Programs?

Construction-to-permanent financing is one of the most lender-dependent mortgage products. The variation in program terms, builder requirements, draw schedule flexibility, and rate lock options across lenders is substantially wider than for standard purchase or refinance transactions. This variation is precisely why working with a wholesale broker who accesses 200+ lenders delivers a measurably different outcome than applying at a single retail bank.

Retail banks that offer construction-to-permanent loans typically provide a single OTC or TTC product with fixed terms: a set construction period, predetermined draw schedule structure, and limited builder approval flexibility. If your project does not fit their template, you are declined. A wholesale broker, by contrast, matches your specific project parameters—construction timeline, lot type, builder profile, loan amount, and desired permanent loan structure—against the full matrix of CTP programs across 200+ wholesale lenders.

I have sourced construction-to-permanent financing from regional portfolio lenders that most borrowers have never heard of but that offered construction period flexibility, float-down provisions, and permanent rate pricing that national banks could not match. These lenders operate exclusively through the wholesale channel—they do not accept direct consumer applications, which means borrowers who only shop at retail banks never see their programs.

For borrowers building investment properties, DSCR build-to-rent construction programs offer another specialized pathway. These programs qualify based on projected rental income rather than personal income, opening construction-to-permanent financing for investors who may not qualify under conventional DTI standards. Similarly, borrowers considering using home equity from an existing property to fund construction can explore HELOC options as bridge financing during the build phase.

What Permanent Loan Options Are Available When Refinancing a Construction Loan?

When your construction is complete and you refinance into permanent financing, you are not limited to a single loan type. The completed home appraisal establishes your property value and loan-to-value ratio, which determines your eligibility across multiple permanent loan programs:

• Conventional fixed-rate — 15-year, 20-year, or 30-year terms with conforming limits up to $806,500 (2025 baseline) and high-balance limits up to $1,209,750 in high-cost California counties.
• Jumbo fixed or adjustable — For completed homes appraising above conforming limits. Jumbo loan requirements vary significantly by lender, making the broker comparison advantage especially valuable.
• FHA permanent — Available through FHA programs for borrowers who used FHA construction financing. Lower down payment requirements but subject to mortgage insurance.
• VA permanent — Eligible veterans and active-duty service members can refinance into VA permanent financing with no down payment and no mortgage insurance.
• DSCR permanent — For investment properties, DSCR loans qualify based on the property’s rental income relative to the mortgage payment, allowing investors to hold new construction rental properties under favorable permanent terms.

For homeowners aged 62 and older, HECM for Purchase presents a unique path: using a reverse mortgage to finance a newly built home, eliminating monthly mortgage payments on the permanent loan. While not a traditional CTP refinance, this option deserves consideration for qualifying borrowers who are building their retirement home.

What Construction-to-Permanent Considerations Apply in California and Washington?

California and Washington present distinct regulatory, market, and lending environments for construction-to-permanent financing:

California: The state’s high land costs and construction expenses mean most custom home builds in coastal counties exceed conforming loan limits, requiring jumbo CTP programs. California’s Title 24 energy efficiency requirements add compliance steps (and costs) that out-of-state lenders may not fully understand. The California Environmental Quality Act (CEQA) can also affect construction timelines in certain areas, which impacts rate lock duration requirements. Building permit processing times vary dramatically by jurisdiction—Orange County averages 4 to 8 weeks, while some Bay Area municipalities take 3 to 6 months.

Washington: The state’s Growth Management Act influences where new construction is permitted, particularly in King, Snohomish, and Pierce counties. Washington’s energy code requirements (recently updated to align with 2021 IECC standards) affect construction costs and timelines. Seismic design requirements in western Washington add structural engineering costs. High-value construction in the Seattle metro, Bellevue, and Eastside communities frequently requires jumbo CTP financing.

Both states require licensed contractors for residential construction, and lenders verify active license status before approving CTP financing. Working with a broker who understands the state-specific requirements in California and Washington prevents delays caused by incomplete builder documentation or non-compliant project specifications.

Construction-to-Permanent Loan Data and Comparison Tables

CTP Loan Cost Comparison: One-Close vs Two-Close

Construction-to-Permanent Program Eligibility by Property Type

Rate Lock Duration Options by CTP Structure

People Also Ask About Construction-to-Permanent Loan Refinancing

Frequently Asked Questions: Construction-to-Permanent Loan Refinance