Smithfield, NC · Johnston County

Modular Buildings in Smithfield

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

Starting from $465/month – $8,370/month
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Modular Building Prices in Smithfield, NC

What you pay for a modular building in Smithfield 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 Smithfield, NC

TypeMonthlyQuarterlyAnnual
Single-Section Office (500 to 900 sq ft)$465 – $1,023$1,256 – $2,762$4,650 – $10,230
Modular Classroom (24' x 40')$837 – $1,860$2,260 – $5,022$8,370 – $18,600
Double-Section Office (1,400 to 2,000 sq ft)$1,116 – $2,604$3,013 – $7,031$11,160 – $26,040
Multi-Section Office Complex (3,000+ sq ft)$2,790 – $7,440$7,533 – $20,088$27,900 – $74,400
Clinic or Lab Building$3,255 – $8,370$8,788 – $22,599$32,550 – $83,700

* Prices adjusted for Smithfield market (approximately 7% below national average).

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

Who Uses Modular Buildings in Smithfield

  • 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 Smithfield 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 Smithfield

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 Smithfield 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 Smithfield typically run from $465 to $8,370, depending on size, floor plan, and how long you keep it. Prices in Smithfield are typically about 6% below the national average. 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 Smithfield 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 Smithfield 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 Smithfield, 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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Serving Smithfield and surrounding areas

Smithfield Quick Facts

County
Johnston
State
North Carolina
Metro Population
30,482
Market Rate
-7% below avg

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