- ⭐ 5.0 on Google | Licensed & Insured | Serving Sarasota & Southwest Florida
Add space to your home with custom additions that blend seamlessly into your existing home — master suites, in-law suites, sunrooms, and expanded living areas, designed and built to last. Serving Sarasota, Nokomis, and Southwest Florida.
Whether you’re adding a master suite, building an in-law suite, or expanding your living space, Monarch Coastal Builders designs and builds home additions that integrate seamlessly with your existing structure and increase your home’s value.
Based in the Sarasota and Nokomis area, we serve homeowners throughout Sarasota, Manatee, and Charlotte Counties who want quality craftsmanship and additions built to last in Florida’s climate. From architectural design through final construction, our team coordinates every detail so your project stays on schedule and on budget.
From master suites and in-law suites to second-story additions and sunrooms, we handle every aspect of your home addition. Here's what we deliver on every project.
Every home addition follows a proven process designed to keep you informed, on budget, and stress-free from start to finish.
We visit your home to discuss your goals, assess your property, and understand how you want to use the new space. Our team reviews your existing structure, lot, and setbacks so we can design an addition that fits your home and your needs.
Our design team develops detailed architectural drawings, structural engineering, and 3D renderings so you can see exactly how your addition will look and connect to your existing home before construction begins. We refine the plan with you until it's right.
We handle all permit applications, structural reviews, and code compliance. You'll receive a detailed, itemized estimate that breaks down costs for materials, labor, site work, and finishing so you know exactly where your investment goes.
Our team manages every phase of construction — foundation, framing, mechanicals, and finishes — while protecting your home and keeping the project on schedule. We complete a final walkthrough to ensure you're completely satisfied with your new addition.
Home additions in Southwest Florida typically range from $200 to $400+ per square foot, depending on the type of addition, materials, and complexity. A master suite addition generally runs $80,000 to $160,000, while sunrooms, in-law suites, and second-story additions vary with size and finishes. Monarch Coastal Builders provides itemized estimates that show exactly where your investment goes.
Most home additions take 4 to 6 months from design through completion. Timeline factors include: - Architectural design and engineering (3-6 weeks) - Permitting and approvals (varies by municipality) - Foundation, framing, and weather-in - Mechanicals, insulation, drywall, and finishes Weather and permit timelines can affect the schedule. We provide a realistic timeline up front and keep you updated throughout construction.
Monarch Coastal Builders is based in the Sarasota and Nokomis area and serves homeowners throughout Sarasota, Manatee, and Charlotte Counties. We complete home addition projects in Sarasota, Nokomis, Venice, Osprey, Lakewood Ranch, Bradenton, Longboat Key, Siesta Key, North Port, Englewood, and surrounding communities.
Whether you’re adding a master suite in Sarasota or a sunroom in Nokomis, we bring the same level of craftsmanship and attention to detail to every project.
We design and build additions that look like they were always part of your home. Here’s what sets us apart.
In-house architectural design, structural engineering, and 3D renderings so your addition is sound, code-compliant, and blends seamlessly with your existing home — and you see it before we build it.
All work is performed by licensed professionals and inspected for code compliance. We handle all permits and coordinate inspections with local building departments.
Clear pricing that shows material costs, labor, permits, and project management fees. You know exactly where your money goes before signing a contract.
One point of contact coordinates all trades, deliveries, and inspections. We manage the timeline, schedule, and quality control so you don’t have to.
Answers to common questions about home additions in Sarasota and Southwest Florida.
Yes. Home additions in Sarasota and the surrounding counties require building permits, structural review, and inspections. Monarch Coastal Builders handles all permit applications, engineering, and code compliance as part of our service, including Florida wind-load and energy requirements.
Master suite additions in Southwest Florida typically run $80,000 to $160,000, depending on size, finishes, and whether you’re adding a full ensuite bath and walk-in closet. We provide an itemized estimate so you know exactly what drives the cost on your specific project.
In most cases, yes. Whether a second story is feasible depends on your existing foundation and framing. We perform a structural assessment and, when needed, reinforce the structure to safely support the addition. If a second story isn’t ideal, we’ll recommend the best alternative.
Home additions are among the strongest investments you can make, especially in Florida where extra space and in-law suites are in high demand. Beyond resale value, a well-designed addition adds usable living space and improves how your home functions day to day.
It depends on your lot and goals. Ground-floor additions are easier to access and build but use up yard space. Second-story additions preserve your yard and views but require structural reinforcement and stairs. We’ll help you weigh cost, lot size, and how you’ll use the space during your consultation.
Schedule your free design consultation today. We’ll visit your home, assess your property, and provide a detailed estimate for your home addition project in Sarasota or anywhere in Southwest Florida.
