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What Should I Know Before Moving to Lewisville From Out of State?

The first thing to check in Lewisville is how high the land sits. Private land near Lewisville Lake can carry a federal flood easement, even when the current deed doesn't mention it. After that, the job is simple: run the property tax math on a house near the city's $400,000 median, put the Texas deadlines on your calendar and vet the house hard from a distance. No state income tax helps, but it only answers part of the question.

One line before we start: I'm an agent, not an attorney, tax advisor, lender or insurance agent. Run those topics past the right professional.

How close to Lewisville Lake is too close?

Learn three numbers from the Army Corps of Engineers: the conservation pool sits at 522 feet above sea level, the uncontrolled spillway at 532 and the top of the flowage easement at 537. In 2015, the lake reached 537 feet. NBC 5 later reported that water flooded streets below the dam without entering any structures.

A flowage easement gives the federal government a perpetual right to flood the land. In most cases around the lake it covers land at and below the 537-foot contour. Corps guidance prohibits structures for human habitation there, bans added fill and requires written approval for other structures. If a newer deed left the easement out, Corps guidance says it still applies.

So before you buy anywhere close to the water:

• Ask for a survey showing the 537-foot contour and the government boundary.
• Look up the address on the FEMA flood map, which is a separate question from the easement.
• Get a flood insurance quote. Most home policies don't cover flood damage, and most flood policies have a 30-day wait.

The Corps said in July 2026 that spillway work on its roughly $166 million dam safety project was nearing completion. That work is aimed at protecting communities downstream, and it doesn't change what's in your deed.

What does a $400,000 Lewisville house cost to own?

Lewisville's own September 2026 budget notice used $400,000 as the median home value. A tracked sample of 431 closings over the six months through about September 2026 landed close by, at a $389,500 median sold price and $212 per square foot.

Here's a hypothetical $400,000 homestead in Denton County and Lewisville ISD, per $100 of value:

• Lewisville ISD: about $2,802 at the 2026-27 rate of $1.0778, after the $140,000 homestead exemption
• City of Lewisville: about $1,746 at the $0.436381 rate proposed for its September 21, 2026 vote
• Denton County: about $734 at the $0.183394 rate proposed for its September 22, 2026 vote

That's about $5,281 with the homestead exemption and about $6,790 without it. Add the $3,489 average Texas homeowners premium for 2025, a preliminary state figure, and you're near $8,770 a year before the mortgage.

Now hold that against your current life. Pull last year's state income tax from your return, then add your property tax and home insurance. If your total is higher than $8,770, these three lines likely favor Texas. If it's lower, they don't, however good no income tax sounds. Sales tax in Lewisville is 8.25 percent, so factor in what you spend, too.

What's on your Texas clock after you move?

Some of these deadlines start the day you arrive:

• Before move-in: set up electricity. In areas open to competition, you pick a retail provider. Confirm which utility serves the address first, since Texas service areas aren't uniform.
• Within 30 days: register your vehicle at the county tax office. Denton County still requires an emissions test first, even though Texas ended most safety inspections on January 1, 2025.
• Within 90 days: get a Texas driver license from the Department of Public Safety.
• Before May 1: file your homestead application with the appraisal district. It generally needs a copy of your license showing the property address, so do the license first.

Summer has its own clock. DFW averages its first 100 degree day on July 1 and its last on August 27, according to the National Weather Service. If you're moving from a cooler state, expect to run your AC hard for much of that stretch and ask the seller for a year of electric bills.

How do you vet a Lewisville house from another state?

Assume you'll have less time than you'd like. Tracked Lewisville homes went under contract in a median 23 days, then took 21 more to close. Have your lender, inspector and insurance agent lined up before you make an offer.

Know what you're shopping, too. 2024 Census estimates put Lewisville's median year built at 1999, meaning about half the homes are older than that. Only about 48.5 percent of housing units are detached single-family homes, and 47.9 percent of occupied units are owner-occupied. A house from the 1980s and a townhome from last year need different questions:

• Roof. Ask its age and whether it's been replaced after a storm. Insurers inspect roofs when you apply, may charge more or refuse coverage, and may pay less on an older one.
• Hail deductible. Texas led the nation in State Farm's 2025 hail claims. At a 2 percent wind and hail deductible on a home insured for $400,000, your share is the first $8,000.
• Systems. Ask the age of the AC, water heater and any older plumbing, and have your inspector look closely at the foundation.
• HOA. On townhomes, condos and many planned communities, read the dues, rules and what the association insures.

Use the option period, a negotiated window when you can cancel for any reason, to get all of this done. Your closing can stay remote if your lender and title company agree, so raise it on day one, along with mail-away signing as a backup.

Thinking about Lewisville from out of state? Call or text Ben Jimenez at 469-730-6895. Tell me your move date and the kind of home you want, and we'll map out your next steps.

AI-assisted research and drafting, reviewed and approved by Ben Jimenez before publishing.