A construction to permanent loan in Houston is one mortgage that lives two lives. For the first several months it is a construction loan, paying your builder in stages as the house goes up on your lot. The day the home is finished, it converts into an ordinary 30-year mortgage without a second closing, a second appraisal fee, or a second round of underwriting. You sign once, before the slab is poured, and the permanent loan you will live with for decades is already locked in place.

This site already covers the two neighbors of this topic, and it helps to know which page you actually need. My new construction loans in Katy guide is written for buyers purchasing a builder’s production home in a master-planned community, where the builder carries the construction and you close a normal mortgage at the end. My land and lot loans guide is for buying dirt with no build date yet. This page is about the product in between: you own or are buying a lot, you have a builder and a set of plans, and you want the construction and the permanent mortgage handled in a single close. The vendor summary on my construction loan options page lists what Fairway offers; this article explains how the loan actually behaves.

Single Close or Two Closes: The First Decision on a Construction to Permanent Loan in Houston

Custom builds in the Houston area are financed one of two ways. The two-close structure uses a short-term construction loan, often from a bank or the builder’s lending partner, and then a completely separate permanent mortgage once the certificate of occupancy is issued. You qualify twice, you pay two sets of closing costs, and your permanent rate is whatever the market offers on the day the house is done.

The single-close structure, which is what a construction to permanent loan in Houston means in practice, does all of it at one table. The lender underwrites the permanent mortgage up front, approves the builder and the budget, funds the construction phase in draws, and then modifies the loan’s terms to permanent financing at completion. There is no second application and no second set of title and lender fees. The trade is that the lender has to be comfortable with the whole project on day one, so the file is heavier at the start.

Which one fits depends on your situation. If you are tearing down a 1950s ranch in Oak Forest or Garden Oaks and rebuilding on the same lot, you already hold title and a single close is usually the cleaner path. If you are still negotiating the lot and the plans are months from final, a two-close can buy time. I walk through that choice with each client before anyone orders an appraisal.

How the Construction Phase of a Construction to Permanent Loan in Houston Actually Works

Once you close, the loan does not fund all at once. The lender holds the construction budget and releases it in draws that track the builder’s schedule: foundation, framing, mechanicals, drywall, finishes, and final. Before each draw pays, an inspector confirms the work in that stage is actually in place. That inspection protects you as much as the lender, because the builder is not paid ahead of the work.

During this phase you typically pay interest only, and only on the amount drawn so far, not on the full loan. Early in the build, when only the lot and foundation have funded, that payment is small. It grows as the house does. If you are living in a rental or your current home while you build, budget for that interest alongside your existing housing payment, because it is real money for six to twelve months.

Fannie Mae sets the outer boundary on how long this phase can run for a conventional single-close loan: no single construction period longer than 12 months, and no more than 18 months in total. In Houston that is usually enough for a semi-custom build and tight for a fully custom one with long lead times on windows or steel, so the schedule your builder signs matters at underwriting, not just at move-in. If the build runs past the agreed period, extensions have to be negotiated and the loan cannot simply drift.

One more mechanic that surprises first-time builders: the budget the lender approves usually carries a contingency reserve, commonly in the range of five to ten percent of hard costs, to absorb the change orders every custom build produces. Money you do not spend from that reserve is applied toward principal at conversion, so it is not lost, but the lender needs it in the budget before the first draw.

The Appraisal Problem: Valuing a House That Does Not Exist Yet

The appraiser cannot walk through your home because it is a set of drawings. Instead the appraisal is written subject to completion, using the plans, the specifications, and the builder’s cost breakdown to arrive at an as-completed value. That number drives everything: the maximum loan, the down payment, and whether the project pencils at all.

Here is where Houston geography starts to matter. In a neighborhood with a steady rhythm of teardowns and rebuilds, like Bellaire, West University, or the Memorial villages, the appraiser has plenty of recently completed new construction to compare against, and as-completed values tend to support the cost of the build. On an acreage tract in Waller County along the 290 corridor or north Montgomery County toward Willis, comparable new custom homes are scarcer and the as-completed value can land below what you are spending. When that happens the gap is your problem, not the lender’s, and it comes out of your pocket at closing.

The conventional rules on how your loan-to-value is measured depend on whether you already own the lot. If you are buying the lot as part of the loan, Fannie Mae treats the transaction as a purchase and measures the loan against the lesser of your total acquisition cost or the as-completed appraised value. If you already hold title to the lot before the first construction draw, the transaction is treated as a limited cash-out refinance and measured against the as-completed appraised value alone. That second path is why a long-held family lot in Cypress or Tomball often makes a build easier to finance: the lot’s equity does the work a cash down payment would otherwise do.

Two Houston-specific checks belong in this stage rather than later. Ask for the flood zone determination on the lot before you finalize plans, because a Special Flood Hazard Area designation changes both the elevation your builder must design to and the insurance the lender will require; my Houston flood insurance guide covers the payment side. And if the lot sits inside a municipal utility district, the MUD tax rate will show up in your qualifying payment; my MUD tax guide explains how to find it.

Why the Permanent Phase of a Construction to Permanent Loan in Houston Is Underwritten First

The defining feature of a single close is that the lender approves the 30-year mortgage before the house exists. Your income, your credit, your assets, and your debt ratios are all underwritten against the finished payment, including estimated taxes on the completed home and the flood and hazard insurance it will need. That is what makes the conversion at the end a modification rather than a new loan.

It also means your file has to stay in shape for the whole build. Under the conventional rules, income, employment, and credit documents generally need to be no more than four months old at the time the loan converts to permanent financing, so expect the lender to refresh paystubs and pull an updated credit report near completion. There are limited exceptions that stretch that window for lower loan-to-value files with an automated approval, but the practical advice is the same either way: do not change jobs, open new credit lines, or finance a truck while your house is under construction.

Rate is the other piece decided at the front. Because the permanent terms are set at the single closing, you know your long-term rate before the first draw. Some programs allow a one-time float-down at conversion if the market has moved in your favor; others lock the rate flat for the full period. Ask which you are getting, because on a twelve-month build that difference is not trivial. For where the market sits today, my Houston mortgage rates guide is the page to read.

Conventional is not the only route. FHA and VA both offer single-close construction-to-permanent programs, which is how a buyer with a smaller down payment or a Houston veteran with entitlement can build rather than buy resale. The lender overlays on those programs tend to be stricter about builder qualifications and build timelines, so bring the builder into the conversation early. On the conventional side, Fannie Mae will not purchase a single-close loan until construction is complete and the terms have converted, which is one reason lenders are careful about who they will approve as the builder.

Getting the Builder and the Budget Through Underwriting

On a single close, the lender is effectively partnering with your builder for a year, so the builder is underwritten too. Expect a builder application covering experience, references, insurance certificates, and financial standing, along with a fixed-price or cost-plus contract with a defined scope. Builders who work regularly in the inner-loop rebuild market or the master-planned suburbs usually have this package ready. A friend-of-a-friend general contractor often does not, and that is where files stall.

The budget needs to be a real line-item cost breakdown, not a single number. Site work, foundation, framing, roofing, mechanicals, finishes, permits, and the contingency reserve each stand alone, because the draw schedule is built from those lines. Soft costs like architectural fees and permits can often be included. What you generally cannot do is act as your own general contractor on a conventional single-close loan, even if you have the skills, because the lender needs a licensed, insured builder accountable for completion.

Get pre-approved before you sign with a builder, not after. The pre-approval tells you the maximum finished value you can support, which in turn tells the builder what to design to. My pre-approval versus pre-qualification guide explains why the distinction matters more on a build than on any resale purchase.

Remodeling an Existing Home? That Is a Different Loan

A lot of Houston homeowners search for a construction loan when what they actually need is a renovation loan. If the house already stands and you want to add a second story, gut the kitchen, or lift a flood-prone slab, that is a renovation project, and the financing works differently: the repair funds sit in escrow inside a purchase or refinance mortgage and pay the contractor in draws as the work is inspected. My Houston renovation loans guide covers the FHA 203(k) and conventional HomeStyle programs that do that work.

The dividing line is simple. If the existing structure is coming down to the slab or the dirt and a new home is going up, you are in construction-to-permanent territory. If the structure stays and you are improving it, you are in renovation territory. Occasionally a heavy remodel is expensive enough that the renovation programs cannot reach it, and a teardown financed as a build is the more sensible path. That is a conversation worth having before you fall in love with either set of plans. For the full range of programs across the metro, the Houston home loans guide is the hub.

Frequently Asked Questions About a Construction to Permanent Loan in Houston