LONGBOAT KEY HOME REMODELING
Your Dream Home, Down to the Last Detail
Longboat Key Renovation & General Contractor
Refined Waterfront Living, Built with Precision.
Longboat Key is defined by privacy, pristine beaches, and some of the Gulf Coast’s most distinguished waterfront homes. Whether your property overlooks the Gulf of Mexico or Sarasota Bay, your home should feel intentional, elevated, and designed to complement its extraordinary setting.
When you’re planning a remodel or custom build on Longboat Key, experience matters. From navigating regulations across both Sarasota and Manatee counties to understanding waterfront structural requirements, Sennes Design Build brings organization, craftsmanship, and coastal expertise to every phase of your project. We manage the details carefully so your experience feels steady, clear, and professionally guided from start to finish.
You deserve a contractor who:
- Maintains structured, dependable timelines for your Longboat Key remodel
- Communicates proactively with clear expectations and updates
- Respects the architectural standards and privacy of your community
- Plans carefully for waterfront conditions and coastal durability
- Remains accessible and accountable long after construction is complete
Use the links below to jump to the sections you’re interested in.
Costs shown are estimates based on real project data from Longboat Key and nearby areas.
For the most accurate quote tailored to your home, contact us today to schedule a consultation!
WHY SENNES?
✓ COMMUNICATION
Clear, consistent updates are part of every project. From first consult to final walkthrough, we stay connected, answer questions quickly, and make sure clients always know what’s happening and what’s next.
✓ TRANSPARENCY
Clear, consistent updates are part of every project. From first consult to final walkthrough, we stay connected, answer questions quickly, and make sure clients always know what’s happening and what’s next.
✓ INTEGRITY
Every commitment is followed through with care. We hold ourselves accountable, value long-term relationships, and take pride in doing; our work reflects the trust clients place in us.
✓ TIMELINESS
Projects stay on track because we prioritize efficient planning, maintain strong coordination with our trade partners, and respect your time from start to finish.
Our Services
Longboat Key Home Remodeling
Transform your Longboat Key home with comprehensive renovations that enhance waterfront views, natural light, and architectural detail while maintaining structural integrity for coastal conditions.
Longboat Key Home
Additions
Expand your Longboat Key residence with thoughtfully designed additions that integrate seamlessly with existing architecture and preserve the elegance of your property.
Longboat Key Kitchen Remodeling
Create a Longboat Key kitchen designed for refined entertaining and everyday functionality, blending clean lines, custom cabinetry, and premium finishes.
Longboat Key Bathroom Remodeling
Design a spa-inspired bathroom retreat with durable materials suited for coastal humidity and finishes that reflect understated luxury.
Longboat Key Custom Home Builder
Build a custom Longboat Key home engineered for waterfront living, constructed with precision, and crafted to complement the island’s sophisticated character.
Longboat Key Condo Remodeling
Modernize your Longboat Key condominium with efficient layouts, elevated finishes, and careful coordination within HOA and building guidelines.
Longboat Key Commercial Remodeling
Elevate your Longboat Key commercial property with polished interiors that reflect the area’s refined coastal environment.
Longboat Key Design-Build Remodeling
Our Longboat Key design-build process integrates architectural planning, budgeting, and construction management into one organized, turnkey experience.
Create the Home of Your Dreams Without the Stress
At Sennes Design Build, we manage every detail from concept to completion, so you can enjoy the process and love the results.
★★★★★
“Nick and his team did a fantastic job remodeling our guest bathroom.
We could not be happier with the process from start to finish. Highly recommend!”
— Matthew D.
OUR PROCESS
Intro Meeting
Every project begins in your Longboat Key home with a conversation about your goals, budget, and vision. We take the time to understand what inspires you and how to bring it to life.
1
Pre-Construction
Through our Pre-Construction Service Agreement, we establish a partnership and outline your plans, budget, and specifications with clarity and transparency.
Options include:
Short Form Retainer: Early design concepts
Design Retainer: Interior remodeling planning
Pre-Construction Contract: Full architectural, remodeling, or new home design
2
3
Design
Our in-house design team turns your ideas into detailed plans and renderings so you can visualize every detail. We refine layouts, materials, and finishes until the design reflects your lifestyle and the relaxed Longboat Key aesthetic.
4
Development And Planning
Your Project Manager finalizes drawings, selections, and scope. You’ll receive clear timelines, transparent pricing, and expert guidance through permitting in Sarasota County.
Contract And Construction
Our Production and Project Managers handle all scheduling, materials, and inspections. We maintain open communication throughout to ensure your project runs smoothly—from foundation to finishes.
5
Project Completion
We complete each project with detailed walkthroughs and inspections to ensure your Longboat Key home meets the highest standards of quality, comfort, and craftsmanship.
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Longboat Key Design Build Remodeling experts.
Sennes Design Build is a trusted custom home builder and remodeling contractor serving Longboat Key, Florida, and surrounding communities. We specialize in residential renovations, home additions, and new home construction across Sarasota, Manatee, and Charlotte counties.
Our seamless design-build process offers a true turnkey experience—from the first design concept to the final walk-through—ensuring your Longboat Key home is built with craftsmanship, clarity, and modern coastal sophistication.
Free Download
Longboat Key remodeling investment guide
Get pricing for the most popular projects in your area
Detailed remodeling investment guide for popular remodeling services in Longboat Key and surrounding areas.
Service Areas
Sennes Design Build proudly serves Sarasota, Venice, and surrounding Gulf Coast communities with full-service design-build and remodeling 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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Boca Grande is exclusive and serene, known for its historic charm and upscale appeal. Sennes Design Build delivers high-end renovations that respect the island’s refined aesthetic while modernizing for today's coastal living.
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Englewood and its neighboring communities—Rotonda West, Placida, Plantation, Cape Haze, and Grove City—offer a relaxed, boating-friendly lifestyle. We bring expert craftsmanship and thoughtful design to remodels that elevate comfort and embrace Florida’s indoor-outdoor living.
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Longboat Key exudes coastal sophistication with its luxurious homes and quiet beachfronts. Our remodels here focus on clean lines, custom details, and high-end finishes that complement the island’s serene elegance.
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Lido Key, and especially the modernist enclave of Lido Shores, is known for its architectural pedigree and beachside allure. We specialize in design-forward remodels that elevate these unique homes while respecting their original vision and context.
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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 is one of the most prestigious barrier islands on Florida’s west coast, known for its luxury estates and unmatched Gulf views. We deliver exquisite remodels that meet the highest standards, tailored to the exclusivity and elegance of the island.
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Bird Key offers luxury waterfront living just minutes from downtown Sarasota. We create high-end remodels that match the prestige of this private island, balancing bold design with everyday comfort and breathtaking water views.
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Lakewood Ranch is a vibrant, master-planned community known for its upscale amenities and family-friendly neighborhoods. Just next door, Bradenton and Bayshore Gardens offer a mix of established homes and waterfront charm. Sennes Design Build brings thoughtful remodels to this growing region, blending sophistication with everyday comfort.
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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 is a cultural gem on the Gulf Coast, from the historic homes of Hudson Bayou and Harbor Acres to the vibrant downtown and peaceful retreats of Myakka City and Desoto Lakes. Whether it’s a mid-century in Arlington Park or a coastal estate in Cherokee Park or Oyster Bay, Sennes Design Build crafts stunning remodels tailored to each neighborhood's distinct style.
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Siesta Key is famous for its powder-soft quartz sand and relaxed, tropical lifestyle. We remodel homes here with a focus on indoor-outdoor living, elevated finishes, and coastal durability—perfectly suited for the island’s beachside ambiance.
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Venice offers a charming mix of Mediterranean-style architecture and laid-back coastal living. From classic homes on Venice Island to newer builds in North and South Venice, Sennes Design Build enhances properties to reflect the area’s elegance and easygoing pace.
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North Port and neighboring Port Charlotte and Charlotte Harbor are known for their natural beauty and more spacious homesites. We help homeowners transform their properties with smart, stylish remodels that make the most of the peaceful surroundings and growing local appeal.
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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.
LET’S DISCUSS YOUR PROJECT!
Use the form below to connect with our team. We’re looking forward to hearing from you and discussing your dream remodel or build.