Home Additions & ADUs in Grapevine, TX

A Grapevine addition succeeds when the new space stops looking new. A primary-suite wing, a second story, or a backyard casita only works when the rooflines, brick, and floor heights read as original — and in a city that mixes historic cottages and established lake-side subdivisions, "original" means something different on every street.

Out, up, or separate

An addition takes one of three shapes, and your lot decides as much as your wish list. Building out at grade adds a wing or bump-out — straightforward until setbacks or lot coverage stop you, which happens fast on the compact Old Town lots near Main Street. Building up stacks a second story over a single-story house, a common move on the 1970s–1990s brick ranches along the SH-26 corridor, where the lot is generous but boxed in by mature trees. Building separate — a detached guest suite or accessory dwelling — buys privacy and is the form most tightly governed by city zoning.

The seams are the project

This is where a general contractor earns the role. A framing crew frames, a foundation sub pours, an HVAC company sets equipment — each good at a slice, each assuming someone else owns the seams. On an addition the seams are the whole job: ordering the soil report, handing it to a structural engineer, designing a foundation that ties into your existing slab, routing new plumbing and power back to panels often already near capacity, and marrying a new roof to the old one without a leak at the valley. Folding design and engineering under one roof keeps the drawings, structure, and budget from contradicting each other.

Grapevine ground and Grapevine rules

Grapevine sits in the Eastern Cross Timbers, so a new slab usually lands on sandy loam over a clayey subsoil — better-draining than Collin County's Blackland clay, but still prone to seasonal movement, so a new foundation has to be engineered and doweled into the existing one so the two move together. Whether a detached unit is allowed at all — and whether it can have a kitchen or be rented — comes down to your specific zoning, so we confirm that with the city before anyone draws. If the home is in the Historic Township District or a local historic district, a new exterior addition also needs a Certificate of Appropriateness from the Historic Preservation Commission first.

The permit path

Additions are filed and inspected through the city's MyGov permit portal, handled by Grapevine Building Services at 200 S. Main Street. Grapevine also requires contractors to register through its separate OpenGov Portal before regulated work begins — $75 a year for the building contractor, no fee for the state-licensed electrical, plumbing, and mechanical trades — so every crew on your job is on file before the permit issues.

Working with The Remo Guys

We're an insured and bonded design-build team based in Allen, roughly 35 miles east. We serve Grapevine as a metroplex remodeler, not a local office — one crew and one warranty for how the addition meets the house. Building Services answers at 817-410-3165.