STEEL FRAMING KITS · ACCESSORY DWELLING UNITS · GARAGES

Pick a plan. Build it in steel.
See your price as you go.

Every kit is a cold-formed steel framing structure with engineering and stamped plans for your county, delivered in NC and SC. Add standing-seam metal roofing, metal siding, windows, drywall, lighting and flooring — your total updates live — then reserve with a refundable deposit.

Stamped plans for your county Delivered in NC & SC Live price configurator Refundable reservation deposit Optional install by ModuSteel USA
ModuSteel FLEX 171 concept exterior with black metal siding, glazed doors and a wood deck

IN DEVELOPMENT · MODULAR BACKYARD SPACE

ModuSteel FLEX 171

One space. More possibilities.

A planned 9 × 19 ft platform for an office, guest suite or compact ADU. Explore two connected modules with FLEX DUO 342, plus optional decks and outdoor amenities.

EXPLORE FLEX 171

Concept subject to engineering and property approvals.

The base price is the steel framing structure only. It covers the cold-formed steel wall panels, steel roof trusses (and second-floor joists on 2-story models), engineering with stamped plans for your county, and delivery in NC/SC. It is not a finished building. Foundation, plumbing, electrical and HVAC rough-in, insulation, doors, cabinets, permits and site work are not included unless you add them below or they're quoted separately. Option prices are estimates, confirmed in your written quote before any work begins.

24' × 24' Single-Bay Garage
FEATURED
Framing Package

Garage · 24' × 24'

24' × 24' Single-Bay Garage

One-car detached garage with room for a bench and storage. Steel frame kit with engineered, stamped plans.

576 sq ft1 BayMS-G2424

STEEL FRAME KIT FROM

$18,700

30' × 40' Two-Bay Garage
FEATURED
Framing Package

Garage · 30' × 40'

30' × 40' Two-Bay Garage

Two bays plus extra depth for a workbench. The most-requested garage size.

1,200 sq ft2 BayMS-G3040

STEEL FRAME KIT FROM

$31,600

40' × 60' Three-Bay Shop
Framing Package

Garage · 40' × 60'

40' × 60' Three-Bay Shop

Commercial-grade shop building. Three bays, full-length workspace, overhead clearance.

2,400 sq ft3 Bay

STEEL FRAME KIT FROM

$58,300

1,400 sq ft Home — 3 Bed / 2 Bath
Framing Package

Residential Home · 40' × 35'

1,400 sq ft Home — 3 Bed / 2 Bath

Single-story 3-bed / 2-bath primary home with an open kitchen, dining and living plan.

1,400 sq ft3 Bed2 BathMS-H1400

STEEL FRAME KIT FROM

$41,000

1,200 sq ft Barndominium Starter
Framing Package

Workshop / Barndo · 40' × 30'

1,200 sq ft Barndominium Starter

Live + work under one roof: 600 sq ft of living quarters and a 600 sq ft two-door shop.

1,200 sq ft2 Bed1 Bath2 BayMS-B1200

STEEL FRAME KIT FROM

$33,400

Pod 240 Steel Frame Kit
Framing Package

ADU / Backyard Home · 12' × 20'

Pod 240 Steel Frame Kit

A 240 sq ft studio pod — kitchenette, full shower bath, sleeping nook. Guest suite, office or short-term rental.

240 sq ft1 BathM4-T240

STEEL FRAME KIT FROM

$14,100

Cabin 320 Steel Frame Kit
Framing Package

ADU / Backyard Home · 16' × 20'

Cabin 320 Steel Frame Kit

320 sq ft with a real bedroom door. Galley kitchen, full bath, covered entry.

320 sq ft1 Bed1 BathM4-T320

STEEL FRAME KIT FROM

$15,900

Nest 400 Steel Frame Kit
Framing Package

ADU / Backyard Home · 16' × 25'

Nest 400 Steel Frame Kit

400 sq ft one-bedroom with laundry closet and full kitchen — the most tiny home you can build without a loft.

400 sq ft1 Bed1 BathM4-T400

STEEL FRAME KIT FROM

$17,800

Studio 480 Steel Frame Kit
FEATURED
Framing Package

ADU / Backyard Home · 20' × 24'

Studio 480 Steel Frame Kit

480 sq ft open studio with a full kitchen island and 6' covered porch. The backyard rental workhorse.

480 sq ft1 BathM4-A480

STEEL FRAME KIT FROM

$19,700

One 600 Steel Frame Kit
FEATURED
Framing Package

ADU / Backyard Home · 24' × 25'

One 600 Steel Frame Kit

600 sq ft one-bedroom — fits Charlotte's by-right ADU size on almost any lot.

600 sq ft1 Bed1 BathM4-A600

STEEL FRAME KIT FROM

$22,400

One Plus 720 Steel Frame Kit
Framing Package

ADU / Backyard Home · 24' × 30'

One Plus 720 Steel Frame Kit

720 sq ft one-bedroom plus den — home office, nursery or caregiver room.

720 sq ft1 Bed1 BathM4-A720

STEEL FRAME KIT FROM

$25,200

Two 864 Steel Frame Kit
Framing Package

ADU / Backyard Home · 24' × 36'

Two 864 Steel Frame Kit

864 sq ft two-bedroom — long-term rental or in-law suite, under the 1,000 sq ft ADU caps.

864 sq ft2 Bed1 BathM4-A864

STEEL FRAME KIT FROM

$28,600

Carriage 576 Steel Frame Kit
FEATURED
Framing Package

Garage · 24' × 24'

Carriage 576 Steel Frame Kit

Two-car garage below, 576 sq ft studio apartment above with exterior stair.

576 sq ft1 Bath2 BayM4-G576

STEEL FRAME KIT FROM

$41,600

Carriage 720 Steel Frame Kit
Framing Package

Garage · 24' × 30'

Carriage 720 Steel Frame Kit

Oversized two-car garage with workshop bay, one-bedroom apartment above.

720 sq ft1 Bed1 Bath2 BayM4-G720

STEEL FRAME KIT FROM

$49,900

Don't see the right size?

We convert your plans to a custom steel frame kit. Send your drawings or dimensions and we'll quote it.

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