Sarasota Home Additions
Lakewood Ranch | Venice | Nokomis | Osprey
Expand Your Space Without Leaving the Home You Love
You’ve built something meaningful—and now you need more space to match it. At Sennes Design Build, we specialize in Sarasota home additions that seamlessly blend thoughtful design, exceptional craftsmanship, and the coastal elegance you love. Whether you're making room for a growing family, creating a more functional layout, or enhancing your everyday living experience, we help you expand with intention. Our team transforms your existing home into a more spacious, refined coastal retreat that supports the way you live today and for years to come.
Space That Elevates Your Everyday
Adding onto your home should feel exciting, not overwhelming. That's why our experienced design-build team manages every step of your Sarasota home addition, from initial design through construction, with precision, care, and clear communication. With Sennes Design Build, you can count on:
A unified team and clear, open communication
Thoughtful planning that keeps your budget on track
Efficient timelines and dependable progress
Beautiful, cohesive results that reflect your vision down to the last detail
Continued support, long after the final walkthrough
Sarasota HOME ADDITIONS
Sarasota Home Extensions
Extend your home’s footprint with thoughtfully designed space—whether it’s a larger kitchen, new living area, guest suite, or expanded entryway.
Sarasota Sunrooms
Bring the outdoors in with a custom sunroom addition that captures natural light and coastal views while remaining comfortable year-round.
Sarasota Garage Conversions
Transform your existing garage into functional living space—perfect for a guest suite, home office, studio, or income-producing rental unit.
Sarasota Primary Suites
Create a private retreat with a custom primary suite addition featuring a spacious bedroom, luxurious ensuite bathroom, and thoughtfully designed walk-in closet tailored to your lifestyle.
Sarasota Second Story Additions
Expand your living space without increasing your home’s footprint with a custom second story addition—perfect for extra bedrooms, a private primary suite, or additional living areas.
Sarasota In-Law Suites
Create a private, fully equipped living space for parents or extended family with a custom in-law suite that supports comfort and independence.
start your sarasota home addition with Confidence—We’ll Handle the Details
At Sennes Design Build, we manage every step of your home transformation so you can focus on enjoying the space you’ve always envisioned without the stress.
Our Addition construction Process
✓ Initial meeting to discuss project goals and requirements
✓ Pre-construction and design
✓ Development and planning
✓ Construction, project management, and quality assurance
✓ Project completion and walkthrough
★★★★★
“Our experience working with Sennes Design Build was incredible.
Nick and team did a fantastic job of designing a plan for our new kitchen and the addition of a laundry room. The craftmanship in creating a new kitchen island, redesigning the kitchen flow and creating a new wall, helping pick new kitchen counters and backsplash, and creating a new laundry room where no room previously existed shows how much they care. The team was incredibly responsive to all of our questions and issues and they are very good at maintaining open communication which was very high on our priority list. Thank you to Nick Sennes and the entire Sennes Design Build team for meeting and exceeding all of our remodeling expectations.”
— Jay
Service Areas
Sennes Design Build proudly serves Sarasota, Venice, and surrounding Gulf Coast communities with full-service design-build and home addition expertise.
We work in a variety of neighborhoods, from coastal homes to established inland communities. Browse the list below to see some of the areas we frequently serve.
Don’t see your location? Reach out—we’re happy to discuss your project.
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Manasota Key is a hidden gem with pristine beaches and a laid-back island vibe. We specialize in remodeling homes here to maximize Gulf views, enhance durability, and create timeless interiors that reflect the natural beauty of the surroundings.
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Lakewood Ranch's thoughtfully planned communities offer beautiful homes that can evolve with changing household needs. Sennes Design Build creates personalized Lakewood Ranch home additions, including expanded living areas, private guest suites, and custom extensions designed to blend with existing architecture while providing valuable additional space.
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Englewood's established neighborhoods and relaxed coastal setting make expanding an existing home an appealing option for many homeowners. Sennes Design Build offers custom Englewood home additions, creating comfortable primary suites, larger family rooms, and thoughtfully planned extensions that add functional space while complementing the home's original design.
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Longboat Key's beautiful waterfront properties inspire home additions that enhance comfort while celebrating the surrounding coastal scenery. Sennes Design Build delivers personalized Longboat Key home additions, designing elegant living spaces, private suites, and thoughtfully integrated expansions that complement the island's refined architectural character.
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Lido Key's desirable coastal location makes thoughtfully designed living space especially valuable. Through expert Lido Key home additions, Sennes Design Build helps homeowners expand their residences with sophisticated suites, inviting gathering areas, and architectural extensions that embrace natural light and complement the island's elegant surroundings.
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Osprey is a peaceful, upscale community with neighborhoods like Laurel and Vamo offering both charm and access to the water. Sennes Design Build enhances homes here with custom remodels that reflect the area's coastal tranquility and natural beauty.
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Casey Key's secluded waterfront estates call for architectural additions that preserve their elegance and distinctive character. Sennes Design Build provides custom Casey Key home additions, thoughtfully expanding living spaces, guest suites, and indoor-outdoor entertaining areas with refined details and designs that complement each property's unique setting.
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Bird Key's exclusive waterfront neighborhood offers a beautiful setting for enhancing existing homes with carefully planned expansions. Sennes Design Build specializes in Bird Key home additions, creating luxurious primary suites, spacious gathering areas, and custom extensions that improve functionality while maintaining architectural harmony and sophisticated coastal appeal.
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Lakewood Ranch's thoughtfully planned communities offer beautiful homes that can evolve with changing household needs. Sennes Design Build creates personalized Lakewood Ranch home additions, including expanded living areas, private guest suites, and custom extensions designed to blend with existing architecture while providing valuable additional space.
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Anna Maria Island is known for its quiet charm, old Florida feel, and breathtaking Gulf views. In Holmes Beach, Bradenton Beach, Cortez, and San Remo, homes reflect a coastal lifestyle that balances laid-back living with elegance. We specialize in remodels that honor the area’s character while bringing modern luxury to every detail.
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Sarasota's diverse residential neighborhoods offer opportunities to expand existing homes while preserving their architectural character. Sennes Design Build specializes in Sarasota home additions, creating spacious primary suites, expanded living areas, and thoughtfully integrated extensions that provide more room for modern living without compromising the home's original charm.
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Siesta Key's relaxed island atmosphere makes additional space for family, guests, and entertaining especially appealing. Sennes Design Build provides expert Siesta Key home additions, creating seamless extensions, spacious guest suites, and expanded living areas that embrace natural light and enhance the comfort of coastal living.
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From established residences on Venice Island to family homes throughout North and South Venice, additional living space can transform how a home functions. Sennes Design Build provides custom Venice home additions, designing seamless expansions, primary suites, and larger gathering spaces that complement existing architecture while enhancing comfort and versatility.
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North Port's spacious residential neighborhoods provide opportunities to create additional living space as homeowners' needs change. Sennes Design Build specializes in North Port home additions, designing expanded family rooms, comfortable primary suites, and versatile extensions that enhance everyday functionality while blending naturally with existing homes.
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Nokomis is a quiet coastal town with a mix of old Florida charm and newer developments. We remodel everything from beachfront cottages to family homes, bringing comfort, function, and a touch of luxury to every project.
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Punta Gorda blends historic charm with waterfront sophistication. Whether restoring a classic home or updating a canal-front property, Sennes Design Build creates refined remodels that fit seamlessly into the area’s relaxed, elegant lifestyle.
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Sarasota Home Addition investment guide
Get pricing for the most popular projects in your area
Detailed home addition investment guide for services in Sarasota and surrounding areas.
sarasota HOME Additions FAQ
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A home addition in Sarasota, Lakewood Ranch, Nokomis, or nearby will likely cost between $150,000 and $300,000. Download our Remodeling Investment Guide to learn more about costs and pricing for your home addition. Also, remember the cost of a home addition in these areas depends on factors like size, design complexity, materials, and whether structural or utility changes are needed. During our consultation, we’ll help you explore options and provide a clear, tailored estimate.
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Timelines vary based on the scope of the addition and permitting requirements. Most additions take several weeks to a few months from design to completion. We’ll give you a detailed timeline during the planning phase so you know exactly what to expect.
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Start by defining your goals—what space you need and how you plan to use it. Then, connect with our team at Sennes Design Build for an expert evaluation of your home, zoning considerations, and design possibilities.
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Common additions in the Sarasota area include expanded living rooms, primary suites, guest spaces, home offices, and second-story builds. We also design additions for outdoor living areas and in-law suites.
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We manage your entire project—from design to construction—with precision, creativity, and professionalism. Our Sarasota-based team brings experience, integrity, and a client-first approach to every addition we build.
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It depends on your goals, your lot, and your budget. For many Sarasota homeowners, a well-designed addition is a smart way to get more space without moving. We can help you weigh your options and choose the right path.
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Yes—when done thoughtfully, a home addition can add significant value, functionality, and long-term comfort. Whether you’re expanding for family needs or resale appeal, it’s an investment that often pays off.
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Skipping the design phase, hiring separate contractors, or failing to account for future needs can lead to costly issues. With Sennes, you’ll get a cohesive design-build process that keeps your goals, budget, and timeline aligned from start to finish.
