Backyard Offices & Studios

In-House AutoCAD Design

12-Month Labor & Parts Warranty

Free Needs Assessment Call

One-On-One Design Session 

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An artist's impression of a small house in a backyard.
A 3d model of a small house with a slanted roof
A 3d model of a small house with a wooden door and windows.
An artist's impression of a shed in a backyard
An artist's impression of a small house in a backyard.
A 3d model of a small house with a slanted roof
A modern white house with a lot of windows and a walkway leading to it
An artist's impression of a shed in a backyard

Your Dream Space, Delivered. No Permit Needed

Looking for a fast, flexible way to expand your space? Our non-permitted backyard studios make it simple. Choose from 4 beautifully designed models, all customizable to fit your style and needs. Whether it’s a home office, creative studio, or guest retreat — we handle everything: design, engineering, and full installation. Built with fully prefabricated construction, our studios arrive fully assembled or can be assembled on-site for tight-access locations. No permits. No headaches. Just space, reimagined.


Johnston Building Services offers tiny home building services in Western Washington and the surrounding counties. With over 20 years of experience, we proudly present our Coast Studio collection, featuring our signature styles:


  • The Coast
  • Saltbox
  • Modern
  • Craftsman


Our services are competitively priced and we offer:


  • Free project review and consultation
  • Services completion in 2+ weeks depending on the project size
  • Free estimates within 5 days
  • 12-month warranty on labor and parts


Recognizing the Need for Our Services

How do you know when it's time to reach out to Johnston Building Services? Here are some signs that you might need our services:


  • You're planning to build a tiny home or remodel an existing one
  • You need professional assistance with project management
  • You're looking for a one-stop shop for all your contracting needs


Why Act Now?

There are several compelling reasons to act now and contact Johnston Building Services:


  • One-stop shop for all your contracting needs
  • Completes projects in about 20% of the time
  • Free project reviews and consultations
  • Fully licensed and insured, with liability insurance


Contact Us

Ready to get started on your project?  Contact Johnston Building Services today. We're here to help you bring your vision to life, from the initial napkin sketch to handing you the keys. We look forward to working with you.

Coast Studios Logo

Johnston Building Services Offers Financing — View Our Payment Options

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Coast Backyard Office Studio

An artist's impression of a small house in a backyard.
An artist's impression of a small house in a backyard.
An artist's impression of a small house in a backyard
An artist's impression of a small house in a backyard.
A small house with sliding glass doors and windows on a white background.
A 3d model of a small house with sliding glass doors and windows.
A small house with sliding glass doors and a window on a white background.

Saltbox Backyard Studio

An artist 's impression of a small house in a backyard surrounded by trees.
A small shed with a deck and a fence in the backyard.
A small shed with a deck and potted plants in front of it.
A blue and white shed with a red trash can in front of it
A blue and white shed with sliding glass doors is sitting on a wooden deck.
A blue house with a white door and a large window.
A room with a wooden ceiling and lots of windows.
A room with a wooden ceiling and a window with a view of the sky.
An empty room with a sliding glass door and a window.
An empty room with a sliding glass door and a window.
An empty room with a wooden ceiling and a window.
There is a window in the corner of the room.
An empty room with a vaulted ceiling and a large window.

Modern Backyard Studio

A small white house with a lot of windows and a walkway leading to it.
A small house with a balcony on top of it.
A small wooden building with a balcony on top of it in a parking lot.
A bedroom with a large bed and a lot of windows.

Craftsman Backyard Studio

An artist's impression of a shed in a backyard
An artist's impression of a shed in a backyard.
An artist's impression of a small house in a backyard
An artist's impression of a shed in a backyard
A room with a wooden ceiling and lots of windows.
A small house with a lot of windows is surrounded by trees.
Coast Studios Logo

Johnston Building Services Offers Financing — View Our Payment Options

See My Rates

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Competitive Prices

Reach out to us for a free estimate within 5 days!

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Learn More About

Johnston Building Services

Serving the Western Washington area, Johnston Building Services specializes in tiny homes and construction services. In-house AutoCAD design. 12-Month labor and parts warranty. Free project review and consultation. Call today.

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