Shoreline, WA · King County

Modular Buildings in Shoreline

Compare modular office, classroom, and clinic building prices in Shoreline, WA, and get quotes from suppliers that deliver there.

Starting from $500/month – $9,000/month
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Modular Building Prices in Shoreline, WA

What you pay for a modular building in Shoreline comes down to its size and layout, whether it is new or used, how long you lease it, and what it takes to deliver and set it on your site. The ranges below are monthly lease rates. Delivery, installation, and removal are quoted separately.

Estimated Pricing in Shoreline, WA

TypeMonthlyQuarterlyAnnual
Single-Section Office (500 to 900 sq ft)$500 – $1,100$1,350 – $2,970$5,000 – $11,000
Modular Classroom (24' x 40')$900 – $2,000$2,430 – $5,400$9,000 – $20,000
Double-Section Office (1,400 to 2,000 sq ft)$1,200 – $2,800$3,240 – $7,560$12,000 – $28,000
Multi-Section Office Complex (3,000+ sq ft)$3,000 – $8,000$8,100 – $21,600$30,000 – $80,000
Clinic or Lab Building$3,500 – $9,000$9,450 – $24,300$35,000 – $90,000

These are estimates for the Shoreline area. Real quotes depend on what suppliers have in their yards near King County right now. Use the form on this page to get pricing from suppliers that cover Shoreline, or call to talk through what you need.

Who Uses Modular Buildings in Shoreline

  • Schools: classrooms for growing enrollment, and swing space while a campus is rebuilt.
  • Contractors: project offices on jobs that run longer than a trailer is comfortable for.
  • Healthcare: clinics, labs, and administrative space during an expansion.
  • Businesses and public agencies: sales centers, branch offices, and permanent buildings on a faster schedule than conventional construction.

Lease or Buy?

If the need in Shoreline has an end date, lease. If you expect to use the building for more than three to five years, ask for a purchase price too, because buying usually wins over that stretch. Suppliers can quote both, and many offer lease-to-own.

Permits and Site Prep in Shoreline

Most modular buildings need a permit, and the rules depend on how long the building stays and how it is used. Call the building department that covers your site in Shoreline before you sign. Have a level spot with truck access picked out, and know where power, water, and sewer will come from.

Frequently Asked Questions

Monthly rates in Shoreline typically run from $500 to $9,000, depending on size, floor plan, and how long you keep it. Delivery, setup, and removal are quoted separately.
Square footage and layout matter most, followed by lease length, restrooms and plumbing, ramps and steps, and how far the building has to travel to your site in the Shoreline area. Longer terms usually bring the monthly rate down.
A standard unit that is already in a supplier's yard can often be on site within a couple of weeks. Larger or custom buildings take longer because they have to be configured or built first. Ask each supplier what they have available near Shoreline right now.
Usually, yes. Most cities and counties want a permit for a temporary or permanent building, and the rules depend on how long it stays and how it is used. Check with the local building department in Shoreline, and ask your supplier what they normally handle.
Leasing fits a need with an end date, like a renovation, a long construction job, or an enrollment bump. Buying tends to cost less once you expect to use the space for more than three to five years. Ask for both numbers so you can compare them side by side.

How Much Does a Modular Building Cost? (2026 Prices)

Read our full pricing breakdown with daily, weekly, and monthly rates by equipment type.

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Modular Buildings in Nearby Cities

Edmonds, WA Lynnwood, WA Seattle, WA Bothell, WA Kirkland, WA Burien, WA Redmond, WA Bellevue, WA

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Shoreline Quick Facts

County
King
State
Washington
Metro Population
56,189

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