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27 Years
experience
Custom Home Builders in Austin, TX | Mangum Builders
Mangum Builders has been a trusted name in Austin's custom home building scene for over 26 years, specializing in luxury homes that blend tradition with modern energy efficiency. Our expertise spans diverse styles including ranch, farmhouse, Spanish hacienda, and contemporary designs, with a strong commitment to green building practices. We prioritize integrity and excellence through a client-centered approach, offering transparent communication, open-book accounting, and personalized weekly consultations. Our team's 70+ years of combined experience ensures meticulous craftsmanship and tailored solutions for both new constructions and remodels. We partner with top architects and contractors to deliver high-quality materials and innovative designs that reflect each client's unique vision. Our dedication to accountability is demonstrated through fixed timelines, milestone deliveries, and a rigorous selection of skilled professionals for every project.

As Central Texas Green Builder of the Year, we integrate sustainable technologies like solar energy, geothermal systems, and rainwater collection into every build. Our service area includes Austin city limits, Hill Country, and surrounding lakes, with capabilities for large property development including road grading and livestock infrastructure. We maintain industry leadership through memberships in the Austin Home Builders Association and National Association of the Remodeling Industry. Every project embodies our core values of experience, integrity, and enthusiasm, ensuring homes that stand the test of time while exceeding modern expectations.
Services
Custom Home Construction Home Remodeling Green Building Solutions Design Services Property Development
Details
  • Year established: 1999
Highlights and features
  • 26 years of Austin custom home building expertise
  • 70+ combined years of professional construction experience
  • Central Texas Green Builder of the Year award recipient
  • Transparent open-book accounting and 24/7 client communication
  • Fixed timelines with milestone delivery guarantees
What people say
Exceptional craftsmanship Transparent communication Timely project completion Sustainable expertise Luxury customization
Services
Custom Home Construction
We specialize in creating bespoke luxury homes tailored to individual preferences. Our process includes collaborative design development, material selection, and construction oversight. Services cover traditional ranch homes, modern contemporary designs, and Spanish hacienda styles with optional green technology integration like solar panels and geothermal systems.
Home Remodeling
Our remodeling services transform existing spaces while maintaining structural integrity. We handle kitchen and bathroom upgrades, outdoor living expansions, and whole-house renovations. Projects include modernizing historic homes while preserving architectural details and implementing energy-efficient improvements for enhanced functionality and value.
Green Building Solutions
We integrate eco-friendly technologies and materials throughout construction projects. Services include installing solar energy systems, geothermal heating, rainwater collection tanks, and ICF (Insulated Concrete Form) construction. Our approach reduces environmental impact while improving energy efficiency and long-term cost savings for homeowners.
Design Services
Our design team collaborates with clients to develop personalized home layouts and aesthetics. Services include 3D renderings, space planning, and material selection. We coordinate with architects to ensure designs meet building codes while achieving clients' vision for both interior and exterior elements.
Property Development
We manage complete property development for large estates up to 100+ acres. Services include road and driveway grading, utility connections, livestock fencing, and septic system installation. Our team handles land management and landscaping to create functional outdoor spaces that complement custom homes.
People
Greg Mangum
Founder
Greg Mangum began building homes with his father in the 1990s, developing into an industry leader through continuous education and relationship-building. He established Mangum Builders to combine traditional craftsmanship with modern innovation, maintaining a client-focused approach that emphasizes integrity and excellence.
Questions
What home styles do you specialize in?
We build luxury custom homes in ranch, farmhouse, Spanish hacienda, contemporary, and traditional styles with optional green technology integration.
Do you handle both construction and remodeling?
Yes, we offer complete custom home construction and remodeling services including kitchen and bathroom renovations, outdoor living spaces, and whole-house updates.
What sustainable building options are available?
We offer solar energy systems, geothermal heating, rainwater collection, ICF construction, and other eco-friendly technologies to enhance energy efficiency.
How do you manage project timelines?
We provide fixed timelines with milestone deliveries and weekly progress meetings to ensure timely completion of every project.
What areas do you serve?
We serve Austin city limits, West Austin, Hill Country, and surrounding lake areas including Lake Travis and Lake Marble Falls.
How do you handle property development?
We manage complete land development including road grading, utility connections, fencing, and landscaping for estates up to 100+ acres.