General Services
Our Custom &
Semi-Custom Homes
General Services
Our Custom &
Semi-Custom Homes
Custom Home Building Services in Oklahoma City
At SEMCO Construction, we design and build homes tailored to each client’s goals, budget, and property.
Our services include:
- Custom home building and new construction
- Semi-custom and design-build homes
- Barndominium construction across Oklahoma
- Residential remodeling and renovations
- Roofing, additions, and home upgrades
- Commercial construction and tenant build-outs
- Steel building construction for residential and commercial use
Why Choose SEMCO Construction
With over 40 years of experience in the Oklahoma construction industry, SEMCO is built on a legacy of trust, craftsmanship, and integrity.
What sets us apart:
- 4th-generation family-owned builder with decades of experience
- Energy-efficient construction with advanced insulation and thermal systems
- 10-year structural warranty + 1-year builder warranty
- Dedicated project management from design to completion
- Transparent budgeting and clear communication throughout the build
- Commitment to quality craftsmanship in every project
We don’t just build homes—we build long-term relationships and lasting quality.
Our Home Building Process in Oklahoma
We make the custom home building process clear, structured, and stress-free:
- Design & Planning – We help you develop plans that fit your vision and budget
- Pre-Construction – Site prep, permits, and scheduling
- Construction Phase – Full build with ongoing communication and updates
- Final Walkthrough – Quality inspection and final adjustments before move-in
Every step is managed with attention to detail and consistent communication.
A Legacy of Home Building in Oklahoma
SEMCO Construction is led by Don and Debi Marchant, continuing a family legacy that spans over 45 years in the construction industry.The company began with Shelby Earnest “Daddy Ernie” Marchant, Sr., and has grown through generations of builders dedicated to craftsmanship and integrity.Today, SEMCO continues that tradition with a skilled team of builders, designers, and project managers serving homeowners across Oklahoma City and surrounding communities.
Commercial
Interior Design
Home Construction
Residential and Commercial Construction Services
We provide full-service construction solutions for both residential and commercial clients:
- Custom homes and residential construction
- Kitchen and bathroom remodeling
- Full home renovations
- Commercial buildings and tenant improvements
- Steel and specialty structures
Whether you’re building a home or developing a commercial space, SEMCO delivers reliable results from start to finish.
Tell us how Semco Construction can help you:
Got Questions? Here’s Why SEMCO Stands Out:
Can I build on my own lot or use a SEMCO plan?
Yes – we offer flexible options: build on your land, choose a SEMCO plan, bring your own architect or allow Semco do draw up a custom plan with you.How much does a custom home cost?
It varies: cost depends on lot location, square footage, floor plan, finishes, and upgrades. We walk through a features checklist and tailor a price to your budget.What’s the timeline to build?
Typically 9–11 months, from foundation to final walkthrough. Factors like weather or special-order materials can affect the schedule. Semco ConstructionDo you provide a warranty?
Absolutely. You receive a 1-year written builder warranty plus a 10-year structural warranty via Residential Warranty Corporation. Semco ConstructionCan you handle remodeling or additions?
Yes – we provide full home renovation services, including kitchen and bathroom remodeling, room additions, painting, and even barndominium conversions. Semco ConstructionWill I get regular updates?
Yes. Our team communicates throughout design, build, and closing, and we schedule more than 7 walkthroughs at various stages of construction, including a final walk through and home demonstration.
Have questions? Call us any time!
(405)520-1144
SEMCO Construction is proud to partner with AMC Mortgage to help our clients secure financing for their new homes. As an Equal Housing Lender, AMC Mortgage is committed to providing a smooth and transparent mortgage process. For personalized assistance, you can work directly with Jolynn Craig through AMC Mortgage (NMLS: 1058419). Learn more or get started here.
NMLS: 195005
AMC Mortgage NMLS: 1058419
Semco Construction is a trusted partner in the Local Community Alliance (LOCOA). See Locoa.org for more details