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Business Details
Custom Home Builders in Northeast Florida
Wittco Custom Builders is a family-owned and operated full-service design/build firm serving Northeast Florida. Since the late 1990s, we have specialized in constructing custom homes on client-owned lots, additions, and large-scale renovations. Our reputation for integrity, quality, and professionalism is built on decades of hands-on experience and a commitment to customer satisfaction. We prioritize personalized service, ensuring every project reflects the client's unique vision while maintaining superior craftsmanship. Our team, led by President Paul E. Witt and Financial & Operations Manager Mark J. Witt, combines architectural expertise with financial acumen to deliver value-driven solutions.

We work closely with clients from initial lot assessment through construction completion, emphasizing transparency and trust throughout the process. Our focus on energy efficiency, modern building codes, and cost-effective design ensures homes meet contemporary standards. With a portfolio spanning Duval, Clay, and St. Johns Counties, we serve diverse needsfrom small cottages to waterfront estates. Our long-standing relationships with skilled subcontractors and suppliers guarantee consistent quality across all projects. As active members of the Northeast Florida Builders Association, we remain engaged in industry advancements and community initiatives.
Services
Custom Home Design Build On Your Lot Additions & Renovations Demolish & Build Design/Build Services
Highlights and features
  • We offer over two decades of experience in custom home construction.
  • Our family-owned business prioritizes personalized, customer-first service.
  • We maintain consistent quality through trusted subcontractors and suppliers.
  • Our energy-efficient designs meet modern building codes and sustainability standards.
  • We provide transparent budgeting and value-maximizing solutions without compromising quality.
What people say
High quality of materials Pleasant building experience Energy-efficient homes Meticulous work Patient with changes
Services
Custom Home Design
We specialize in creating tailored home designs that align with client preferences and budgets. Our process integrates architectural expertise with hands-on project management to ensure functional, aesthetically pleasing spaces. By focusing on energy efficiency and modern building standards, we deliver homes that balance innovation with practicality.
Build On Your Lot
Our team guides clients through constructing homes on their chosen properties, addressing site-specific challenges like topography and drainage. We collaborate with architects to optimize designs for the land while maintaining cost-effectiveness. This service ensures seamless transitions from lot selection to finished construction.
Additions & Renovations
We transform existing spaces through additions and renovations that enhance functionality and value. Using the same high standards as our custom builds, we focus on minimizing disruption while upgrading kitchens, bathrooms, or entire homes. Our approach prioritizes durability and client satisfaction.
Demolish & Build
This service involves removing outdated structures to construct modern, energy-efficient homes. We assess cost-effectiveness compared to renovations and navigate permitting processes. Clients benefit from updated designs that meet current building codes and avoid impact fees associated with vacant lots.
People
Paul E. Witt
President
Paul Witt, founder and President, brings over 25 years of architectural and construction expertise. A Jacksonville native, he oversees daily operations and ensures quality standards are met through hands-on management.
Mark J. Witt
Financial & Operations Manager
Mark Witt manages financial operations and project estimating. With a degree in Business Administration, he ensures fiscal transparency and efficient project execution while supporting long-term client relationships.
Questions
How do I determine my home budget?
Use $125-$150 per square foot as a guideline, excluding land costs. Adjust for upgrades and site-specific factors.
Do you handle small projects?
Yes, we consider all projects based on our workload and client needs.
What areas do you serve?
We specialize in Northeast Florida, including Duval, Clay, and St. Johns Counties.
How long does construction take?
Design takes 1-3 months; construction lasts 6-10 months, depending on size and complexity.