Coastal Custom Homes in Ocean Springs, 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.

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Built for Ocean Springs Living

Thornhill Construction builds custom homes designed for life along the Mississippi Gulf Coast. Whether you are planning a full time residence, vacation home, beach house, or investment property, our team helps guide the process from concept to completion.

With more than 20 years of local building experience, we understand the importance of thoughtful planning, durable construction, and clear communication. From early design conversations to final walkthrough, we help homeowners make informed decisions at every step.

Ways to Build

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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
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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’veAccomplished
Years In Business
10 +
Homes Built
300 +
Google Reviews
70 +
Thornhill Construction built us the waterfront home of our dreams. Jason Thornhill worked with us develop what was just an idea. Thornhill construction helped us to find property, plan a design, and construct our waterfront getaway home. …
TJ Myers 3 years ago

Rated 4.9 out of 5 — 128 Google reviews

Thornhill’s Creative  PROCESS

Initial Consultation

We learn about your Ocean Springs homesite, design preferences, budget, timeline, and goals for the home.

Planning & Feasibility

Our team reviews the property, building requirements, design needs, and early project details.

Design & Budgeting

We help refine the layout, selections, and budget so the project is aligned before construction begins.

Construction Phase

Your home is built with careful coordination, quality craftsmanship, and regular communication.

Final Handover

We walk through the finished home, answer final questions, and prepare you for move-in.

Here to Help  You Build

Start planning your custom home in Ocean Springs with a builder experienced in coastal construction.

Contact A Home Builder in Mississippi

Reach out if you have questions or are ready to start planning your Ocean Springs 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