Expand Your Living Space with Confidence

Maximize comfort with home additions in the Spokane area

Running out of room but not ready to move? Lion's Mane Construction offers expertly crafted home additions in Spokane, and nearby areas to help you expand without relocating. Whether you're adding an extra bedroom, new living space, or a full ADU attachment, we guide the entire build from design to final inspection.


Our team understands how to blend new spaces seamlessly into your existing home, both visually and structurally. From permitting and planning to framing and finishes, Lion's Mane Construction ensures your home addition is done right the first time. Homeowners count on us for ADU builds and room additions that add value, comfort, and style.


Call today to schedule your home additions consultation before the next build slot fills!

A teal-colored house with a manicured front lawn, a walkway, and lush landscaping under a sunny sky.

Discover the advantages of our ADU attachments

Every project is tailored to your needs and built for lasting quality:

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Custom ADU Construction

Add a detached suite or attached unit for guests, rental income, or multi-gen living

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Seamless Room Additions 

Expand your kitchen, living room, or master suite with a perfectly matched extension

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End-to-End Service 

We manage every phase—from plans and permits to final cleanup

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Code Compliance 

Our builds follow all local zoning laws and structural standards

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Function + Style

Every addition is designed to enhance your home’s beauty and everyday use

Book your home addition consultation today—make room for what matters without leaving your neighborhood!