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16' × 30' Shell • 6 Floor Plans

16' × 30' Floor Plans (480 Sq Ft Base)

Compare 6 build-ready ways to configure a 16-foot by 30-foot structure—including all-living homes, shop-house splits, and 2-story lofts.

16x30 House Exterior
6 Plans
Shell Est: $24,000
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Shell Est: $23,000
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Shell Est: $33,000
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Shell Est: $22,000
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Shell Est: $21,500
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Shell Est: $24,000
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16' × 30' Build Cost Guide, Nearby Sizes & FAQs

Slab takeoff, framing span notes, and comparable footprint sizes

Nearby Footprint Sizes:12'×24' (288 sf)12'×28' (336 sf)12'×32' (384 sf)14'×24' (336 sf)14'×28' (392 sf)14'×32' (448 sf)14'×36' (504 sf)14'×40' (560 sf)

16' Clear-Span Truss & Slab Engineering

A 16' × 30' rectangular building envelope (480 sq ft base area, 92 linear feet of exterior wall) is one of the most cost-effective structural modules in residential construction. Because the 16-foot width can be spanned by single-piece prefabricated wood roof trusses or cold-formed steel rafters, interior walls are non-load-bearing—allowing complete flexibility between open great rooms, split bedroom wings, and drive-in garage bays.

Material Takeoff Baseline (8 Cu. Yds. Concrete / 6 Roof Squares)

Every 4-corner 16x30 layout eliminates expensive hip-and-valley roof framing and minimizes foundation form corners. Builders typically budget 8 cubic yards of 4,000-PSI concrete for the monolithic slab, 78 exterior 2x6 studs (or 12 laminated post-frame columns at 8' o.c.), and 6 squares of standing-seam or ribbed metal roofing.

How many bedrooms and bathrooms fit inside a 16x30 (480 sq ft) floor plan?

A 16' × 30' building footprint (480 sq ft base area) comfortably supports 1 to 2 bedrooms and 1 bathroom in an open-concept ADU, tiny home, or cabin configuration. Browse all 6 vetted 16x30 floor plan variations above to compare room sizes.

How much concrete and roofing material does a 16x30 building require?

A 16' × 30' footprint has 92 linear feet of exterior perimeter wall. Pouring a 4-inch monolithic concrete slab with thickened perimeter grade beams requires approximately 8 cubic yards of ready-mix concrete. A standard gable roof with 18-inch overhangs requires roughly 6 roofing squares (600 sq ft of metal or shingle coverage).

What is the average cost to build a 16x30 house or barndominium?

Across our 6 engineered 16x30 blueprints, dried-in structural shell packages range from $14,400 to $23,040, while full turnkey construction averages $100,667 depending on whether the footprint is configured as all-living space or split between living quarters and an unheated shop bay.