Backyard Cottage Builders in Northern California
We are the backyard cottage builders who turn unused space to something meaningful. You’ll get beautiful, functional backyard cottages that feel like home.
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Smart Backyard Living Starts Here
A backyard cottage is more than just a small structure, it’s a fully livable space designed for comfort, privacy, and flexibility. Think of it as a small house in the backyard that works for your lifestyle, whether that means hosting family, earning rental income, or creating a peaceful escape just steps from your main home.
At Sidex, we build everything from custom designs to prefabricated guest cottage options, helping you find the right balance between speed, style, and long-term value.
Complete Backyard Cottage Services
Custom Backyard Cottage Design
We create tailored backyard cottage designs that fit your needs. Whether you’re exploring backyard cottage ideas or starting from scratch, we design spaces that maximize light, layout, and livability.
Ground-Up Backyard Cottage Construction
Our team handles full construction of your backyard house, from foundation to finishes. Every build is done with durability, energy efficiency, and real-life usability in mind.
Prefab & Guest Cottage Options
We offer prefab and prefabricated guest cottage options, including tiny backyard homes and guest house builds. These reduce timelines while maintaining quality and design appeal.
Built with Precision, Designed for Real Living
Explore our projects to see how we build functional, durable, and visually seamless structures across Northern California.
How We Build Your Backyard Cottage
Consultation & Planning
We start by understanding how you want to use your space, whether it’s a rental, guest house, or private retreat, and explore the best backyard cottage plans for your property.
Step 1
Design & Permits
Our team develops detailed layouts and handles approvals, ensuring your ADU cottage meets local building requirements and fits seamlessly on your lot.
Step 2
Construction & Installation
We build your backyard cottages on-site or install prefab units, depending on your choice. Every detail is handled with precision, from structure to finishes.
Step 3
Final Walkthrough
We complete inspections, finalize all details, and hand over a ready-to-use small backyard house built for comfort and long-term use.
Step 4
Backyard Cottage Builders Across Northern California
We design and build backyard cottages across key regions, serving over 57 locations.
The Bay Area
From San Francisco to San Jose, we create modern backyard housing solutions that maximize property value and usable space.
South Lake Tahoe
We build durable backyard small house structures designed for colder climates, with proper insulation and weather-resistant materials.
Sacramento Region
Serving Sacramento and surrounding areas, we deliver practical and stylish backyard house solutions for families, rentals, and flexible living.
Backyard Cottage FAQs
What is a backyard cottage?
A backyard cottage is a small, independent living space built on the same property as your main home, often used as a guest house, rental unit, or private retreat.
Are prefab guest cottages worth it?
Yes. Prefab guest cottage options are faster to install and can be more cost-effective while still offering modern design and durability.
How big can a backyard cottage be?
Size depends on local regulations, but most backyard tiny homes and cottages are designed to maximize space efficiently within allowed limits.
Can I rent out my backyard cottage?
In many areas, yes. A guest house for the backyard can be used for rental income, depending on zoning and local rules.
Do I need permits to build a backyard cottage?
Yes. Whether it’s a custom build or prefabricated guest cottage, permits and approvals are required. We handle this process for you.
What’s the difference between a backyard cottage and an ADU?
A backyard cottage is a type of ADU cottage, a fully functional living unit separate from the main home.
