Home Additions
Jacksonville Beach, FL
When your family outgrows your home, an addition is often smarter than moving. Blue Diamond Building designs and constructs room additions, second stories, sunrooms, and home extensions that integrate seamlessly with your existing structure. As a Certified General Contractor — the highest level of Florida contractor licensing — we're qualified to handle every aspect of an addition project: structural engineering, foundation work, roofing, electrical, plumbing, and finish work.
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What's Included
What You Get With Blue Diamond
Every home additions project is managed by our licensed CGC team — from the first estimate through the final inspection.
- Room additions & home extensions
- Second story additions
- Sunrooms & enclosed patios
- Foundation to finish construction
- Structural engineering & permitting
- Seamless integration with existing home
How It Works
The Blue Diamond Process
Free Consultation & Estimate
We visit your property, review the scope, and deliver a detailed written estimate. Every line item explained — no surprises.
Design & Materials
We help you select materials and specifications that perform in Northeast Florida's climate and fit your budget.
Permits & Scheduling
We pull every required permit, submit plans, and schedule inspections. You never deal with the permitting office.
Build, Inspect & Hand Over
Our licensed team builds to code, passes all required inspections, and walks through the finished work with you before closing out.
What Homeowners Say
Trusted by Northeast Florida Families
“Blue Diamond completely transformed the exterior of our home with new siding. The quality of work and attention to detail was outstanding. As a CGC, they handled the permitting and everything — we didn't have to worry about a thing.”
Jacksonville Beach Homeowner
Complete Siding Replacement
“We needed a contractor who could handle both our dock repair and a home addition. Blue Diamond was the only company we found that could do both under one license. Saved us time, money, and headaches.”
Ponte Vedra Beach Homeowner
Dock Repair + Home Addition
“After getting three quotes, we went with Blue Diamond because of their CGC license and 20 years of experience. They replaced all our windows and the front door — the house looks incredible and our energy bills dropped noticeably.”
Mandarin Homeowner
Window & Door Replacement
Common Questions
Home Additions FAQs
How much does a home addition cost in Jacksonville Beach, FL?
How long does a home addition take?
What types of additions does Blue Diamond build?
Can I add a bathroom or kitchen to the addition?
Will the addition match the existing home's exterior?
Where We Work
Home Additions Across Northeast Florida
Our licensed CGC team serves homeowners throughout the Jacksonville metro area and Beaches communities.
Get Started Today
Ready to discuss your project?
Free estimates. Detailed written proposals. A licensed CGC overseeing every step from permit to final inspection.
Get Your Free Home Additions Estimate
Licensed CGC · 20+ years in Jacksonville Beach and Northeast Florida · No obligation