Plan Your Outdoor Space With Confidence
Lebanon, TN
Craftsmanship Shaped by Family and Built for Yours
Founder Austyn Geerts grew up working alongside his father in the trade, shaping a hands-on approach centered on doing the work correctly. Today, we create custom outdoor spaces for families across Middle Tennessee, leading with custom decks and patios while also building porches, sunrooms, and fencing around each property and homeowner’s goals.
Why Homeowners Choose Us
Built With Intention
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Designed Around Your Home
Every project begins with your property, lifestyle, priorities, and vision rather than a one-size-fits-all plan.
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See It Before We Build It
3D visualization helps you better understand the direction of your outdoor space before construction begins.
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Built With Long-Term Use in Mind
Material selection, water management, durability, and Tennessee's climate are considered throughout planning and construction.
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Quality Documented Along the Way
In-house quality-control photo documentation creates a record of the construction process.
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Craftsmanship That Stays With You
A lifetime craftsmanship warranty supports the work long after your outdoor space is complete.
Ready to Rethink Your Backyard?
Start With a Project Conversation
Create More Reasons to Step Outside
Your backyard should work as thoughtfully as the rest of your home. We create custom decks and patios for gathering, dining, relaxing, and entertaining, with designs shaped around your property and how you plan to use the space. Our outdoor living builder services also include custom porches, sunrooms, and fencing. From deck design services and material selection to 3D visualization and construction, our process gives you a clearer view of the project before building begins.
Plan Smarter. Build Better.
Free Outdoor Living Design Guide
Planning a deck, patio, screened porch, or outdoor living space? Get our free guide and learn how to avoid costly mistakes, make smarter design decisions, and create a space built to last.
- Avoid costly planning mistakes
- Compare outdoor living options
- Make better design decisions before requesting a quote
How We Ensure Consistent Quality and Customer Experience
Schedule an Estimate
Backyard Transformations
See how thoughtful planning and custom construction can turn an underused backyard into a finished space designed for everyday life.
Give Your Backyard a Purpose Beyond the View
Make your backyard an extension of the way you live. As an outdoor living contractor serving Lebanon, TN, we plan custom decks, patios, porches, sunrooms, and fencing around your property, style, and everyday needs. Homeowners in Brentwood, TN, can also bring their outdoor living goals to us for a thoughtful design-to-build experience backed by a lifetime craftsmanship warranty.
Built Around Life Outdoors
Explore custom decks, patios, porches, sunrooms, and fencing designed around how you want to use your property. Each project begins with thoughtful planning and moves through material selection, clear project details, construction, and documented quality checks.
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Custom Decks
Create a custom deck around your home and lifestyle with thoughtful design, material options, and a layout made for gathering, relaxing, and entertaining.
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Custom Porches
Add an open or covered porch designed to complement your home while creating a comfortable place to gather, unwind, and spend more time outdoors.
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Custom Sunrooms
Bring natural light and outdoor views into a custom sunroom designed to add comfortable, functional living space you can enjoy throughout the year.
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Custom Fencing
Add privacy, security, and visual character with custom fencing planned around your property, preferred appearance, and functional needs.
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Custom Patios
Create a custom patio for outdoor dining, entertaining, and everyday downtime with a layout and materials thoughtfully selected for your property.
Built to Last: Latest Project Sneak Peek
Crafting Outdoor Sanctuary
A quick look behind the scenes at our latest custom deck and porch builds, where high-durability craftsmanship meets seamless indoor-outdoor design.
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Planning Your Outdoor Project
Planning an outdoor project comes with questions about design, materials, process, and what fits your property. Explore answers about how we plan and build custom outdoor spaces, then talk with us about the details that matter for your home and lifestyle.
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We design and build custom decks, patios, porches, sunrooms, and fencing. Each project is planned around the property, the homeowner’s goals, and how the finished space will be used.
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For applicable projects, our design process includes 3D visualization to help you understand the proposed layout and direction before construction begins.
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Our process begins with a discovery consultation followed by a site visit and design agreement. We then develop the project visualization and proposal before coordinating approvals, materials, and other pre-construction needs.
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Yes. Timberline Designs Co. offers a lifetime craftsmanship warranty supporting the workmanship behind your completed project.
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We work with homeowners throughout Middle Tennessee, with Lebanon, TN and Brentwood, TN among our priority service areas.
Built for the Way Families Live
Read what homeowners have to say about their experience planning and building outdoor spaces with our team.
Outdoor Living Across Middle Tennessee
We create custom outdoor living spaces for homeowners in Lebanon, TN, Brentwood, TN, and Middle Tennessee.
Plan Smarter. Build Better.
Free Outdoor Living Design Guide
Planning a deck, patio, screened porch, or outdoor living space? Get our free guide and learn how to avoid costly mistakes, make smarter design decisions, and create a space built to last.
- Avoid costly planning mistakes
- Compare outdoor living options
- Make better design decisions before requesting a quote