Virginia Statewide Rule

Virginia Tiny Home Building Code Compliance Rules

Some RestrictionsApplies statewide across Virginia (2026)

Key Facts

Building code: USBC + IRC App. Q
Permanent foundation: Required for dwelling
On wheels: Treated as RV
Local authority: Zoning only

Last verified: September 5, 2026Source: Virginia Legislative Information System

Summary

Virginia regulates tiny homes through the Uniform Statewide Building Code and IRC Appendix Q, preempting local construction standards while leaving placement and zoning to localities.

The Board is hereby directed and empowered to adopt and promulgate a Uniform Statewide Building Code. Such building code shall supersede the building codes and regulations of the counties, municipalities and other political subdivisions and state agencies. However, such Code shall not supersede the regulations of other state agencies which require and govern the functional design and operation of building related activities not covered by the Uniform Statewide Building Code including but not limited to (i) public water supply systems, (ii) waste water treatment and disposal systems, and (iii) solid waste facilities.

Source: Virginia Legislative Information SystemView official code

Full Breakdown

Va. Code § 36-97 establishes the USBC as the exclusive building standard. Virginia adopted IRC Appendix Q (Tiny Houses) effective with the 2018 IRC, allowing dwellings ≤400 sq ft on permanent foundations to use modified ceiling height, loft, and stair standards. Tiny homes on wheels are regulated as recreational vehicles under Va. Code § 46.2-100 and cannot serve as permanent dwellings except in approved RV parks. Localities cannot adopt stricter construction codes but control zoning, lot size, and minimum dwelling square footage.

Violations & Penalties

USBC violations up to $2,500 civil penalty; unlawful dwelling-use of RV may carry local zoning fines plus eviction orders.

Frequently Asked Questions

Are tiny houses legal in Virginia?

Yes, on permanent foundations under USBC and IRC Appendix Q. Tiny houses on wheels are treated as RVs and cannot be permanent residences except in approved RV or campground zones.

Can a Virginia locality ban tiny homes?

Localities cannot ban USBC-compliant tiny houses but may impose minimum dwelling sizes through zoning. Many counties require 600-900 sq ft minimums, effectively limiting tiny-home placement.

Sources

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