Coastal Custom Homes in Biloxi, MS

Build your dream home on the Mississippi Gulf Coast with a team that understands coastal living, local building requirements, and the details that make a home feel truly personal.

From fully custom luxury homes to pre-priced coastal floor plans, Thornhill Construction helps you move from early ideas to a finished home.

Contact-Image

Built forBiloxi Living

Thornhill Construction builds custom homes for homeowners who want lasting quality and a home designed around the way they live. Whether you are planning a primary residence, vacation property, beach house, or investment home in Biloxi, our team helps guide the process from concept to completion.

With more than 20 years of local building experience, we understand the importance of durable materials, smart planning, and communication that keeps your project moving forward.

Ways to Build

costal-collections-logo

Coastal Collection

I want to make the most of my investment
The Coastal Collection
Less Guesswork. Still entirely yours.

Choose from Thornhill’s thoughtfully designed Gulf Coast floor plans and personalize the home around the way you want to live.

It’s a more efficient path for homeowners who want to maintain greater control over their overall investment while still creating a home that feels distinctly their own.

Proven Plans · Personalized Design · Greater Investment Control
signature-series-logo

Signature Series

I already have a vision
The Signature Series
Bring us your vision. We'll build it with you

Maybe you’ve been dreaming about your home for years. Maybe you already have architectural plans. Or maybe you simply know exactly what you want your Gulf Coast home to become.

The Signature Series gives you the freedom to bring that vision to Thornhill and create a home specifically around your property, lifestyle, and ideas.

Your Plans or Ours · Fully Custom · Collaborative Design
What We’ve Accomplished
Years In Business
10 +
Homes Built
300 +
Google Reviews
70 +
Thornhill built our house overlooking The Bay. Did a great job and kept us informed throughout the whole process. Libby kept us informed and was a huge help. Highly recommend!!!
leafriverrat60 8 months ago

Rated 4.9 out of 5 — 128 Google reviews

The PROCESS

Initial Consultation

We discuss your Biloxi property, design goals, lifestyle needs, timeline, and budget.

Planning & Feasibility

Our team reviews site conditions, building requirements, design opportunities, and early project considerations.

Design & Budgeting

We develop your home design, selections, and budget so you understand the plan before construction begins.

Construction Phase

Your home is built with organized scheduling, clear communication, and close attention to detail.

Final Handover

We complete the final walkthrough, review key details, and prepare you to enjoy your new home.

Ready to Start Building?

Start planning your Biloxi custom home with a team experienced in Mississippi Gulf Coast construction.

Contact Us

Reach out if you have questions or are ready to start planning your Biloxi home.

    Project  stages

    01

    Foundation

    Site excavation • Formwork • Subpilings, footings, concrete & breakaway slab pour

    4-6 weeks
    02

    Framing

    Erect all timber/steel frames • Brace roof issues

    6-8 weeks
    03

    Dry In

    Structure weather sealed • Windows Installed • External doors

    2-3 weeks
    04

    Mechanical

    Plumbing rough-in • HVAC rough-in • Electrical rough-in

    8 weeks
    05

    Exterior

    Siding installation • Roofing • Railing

    6-8 weeks
    06

    Insulation

    Insulation • Drywall

    10-12 Days
    07

    Int. Finishes

    Painting • Flooring • Trim & millwork • Cabinets & counters

    6-8 weeks
    08

    Trim & Fixtures

    Interior hardware • Closets • Electrical fixtures/appliances

    10 Days
    09

    Final Touches

    Cleaning • Final inspections • Walk-through

    3 weeks
    10

    Handover

    Inspections • Occupancy • Move-in

    2 weeks