More Space. Same Address.
Love your neighborhood but outgrown your house? We design and build seamless additions that look like they were always part of the plan.
Feasibility Check
Can you add on? Let's find out.
Don't Move. Improve.
Moving is expensive and stressful. Why leave the school district and neighbors you love just because you need an extra bedroom or a larger garage? Seaco Construction Group specializes in complex structural additions. Whether building out or building up, we handle the engineering, permitting, and construction to give your family the room it needs to grow.
Expansion Options
Master Suites
Add a luxury ground-floor master wing or extend your current footprint for a true retreat.
Garages & ADUs
Detached garages with mother-in-law suites (ADUs) above are the perfect way to add value and versatility.
Second Story
Run out of land? We can reinforce your foundation and remove the roof to double your square footage by building up.
The "Seamless" Guarantee
The biggest fear with an addition is that it will look like an afterthought. We obsess over the details to ensure a perfect match.
- Matching Rooflines & Pitch
- Sourcing Identical Brick/Stucco
- Continuous Floor Levels (No awkward steps)
- HVAC Load Calculations
- HOA Architectural Approval
Common Questions
Is it cheaper to add on or move?
How long does an addition take?
Do you handle the architectural plans?
Need More Room?
Let's see what is possible with your property. We can check setbacks, lot coverage, and zoning to determine the best way to expand.
Growing Families, Happy Clients
"We desperately needed a mother-in-law suite but were worried it would look like a separate box in the yard. Seaco matched our brick and roofline perfectly. You truly cannot tell where the original house ends and the addition begins."
"Adding a second story seemed like a nightmare project, but the team was organized and fast. They handled all the structural engineering and permitting with the county. We effectively got a new house without having to move."
Contact Your Local Custom Home Builder & Remodeling Contractor
Seaco Construction Group
Custom Home Construction • Whole-Home & Kitchen Remodeling • Outdoor Living & Pools
📍 Serving Jacksonville, Ponte Vedra Beach, Nocatee, St. Johns, Fernandina Beach & Amelia Island
📞 Phone: 904 664 9044
📧 Email: [email protected]
🕘 Hours:
Monday – Saturday: 9:00 AM – 5:30 PM
Sunday: Closed
Address
Office: 9461 Heckscher Dr, Jacksonville, FL 32226
Premier Custom Home Builder & General Contractor in Jacksonville, FL
Seaco Construction Group is the leading luxury custom home builder and residential general contractor serving Northeast Florida. Since 2011, we have specialized in ground-up new home construction, whole-house renovations, and architectural additions in Jacksonville, Ponte Vedra Beach, Nocatee, Amelia Island, and Fernandina Beach. As a fully licensed and insured General Contractor (CGC1530266), our team manages every phase of the construction process—from initial design and permitting to the final walkthrough—ensuring your project is delivered on time and within budget. Whether you are looking to build a modern coastal estate in Ponte Vedra or require a high-end kitchen remodel in Jacksonville, Seaco Construction Group provides the craftsmanship and transparency you deserve. We are proud to be the trusted choice for luxury home building in Duval, St. Johns, and Nassau Counties.