ADU Rules in Virginia Beach, Virginia

Virginia Beach is Virginia's largest city by population — approximately 459,000 residents — and an independent city, meaning it is entirely separate from any surrounding county. The city stretches from the Atlantic Ocean to the North Carolina border and encompasses everything from dense resort-area neighborhoods to rural farmland. ADU development here requires navigating Virginia state law, local zoning, military flight-safety overlays, and increasingly serious flood considerations.

Virginia statewide ADU law status

Virginia has no enacted statewide ADU preemption: SB 304 of 2024 would have required ADUs by-right but was deferred to the Virginia Housing Commission and not enacted. Va. Code § 15.2-2292.1 governs only temporary family health-care structures (≤300 sq ft caregiver units), not general ADUs.

Virginia Beach Local Zoning Framework

Virginia Beach divides residential land into several districts, including R-5S (5,000 sq ft minimum lots), R-7.5 (7,500 sq ft), R-10 (10,000 sq ft), R-20 (20,000 sq ft), and others. ADUs are generally permitted in all single-family residential districts subject to these typical standards:

• Maximum size: ADUs are generally limited to 1,200 square feet or 40% of the principal dwelling's gross floor area, whichever is less
• Height: Detached ADUs typically may not exceed 16 feet or the height of the primary structure
• Setbacks: Detached ADUs must meet the rear and side setbacks of the host zoning district
• Lot coverage: The ADU must not push total lot coverage beyond the district maximum
• Unit count: One ADU per lot (attached or detached)

Contact the Virginia Beach Planning Department at (757) 385-4621 or visit vbgov.com/government/departments/planning for the current adopted ordinance language, as standards are updated regularly to keep pace with state law.

NAS Oceana AICUZ — Critical Military Overlay

This is the single most important overlay for ADU development in much of Virginia Beach. Naval Air Station Oceana is the Navy's primary East Coast Master Jet Base, home to multiple F/A-18 Super Hornet squadrons. The base operates around the clock, and the associated Air Installations Compatible Use Zones (AICUZ) program establishes noise contours and Accident Potential Zones (APZs) that restrict land use around the base:

• APZ I (innermost): The highest accident risk zone. New residential uses — including ADUs — are generally prohibited in APZ I. If your property falls in APZ I, a detached or attached ADU may be denied.
• APZ II (outer buffer): Residential density is restricted. ADUs may face additional scrutiny or denial depending on the overlay's specific table of compatible uses.
• Noise contours (65+ dB DNL): Even outside the APZs, properties in the 65 dB or greater Day-Night Average Sound Level contour may face restrictions. Virginia Beach City Council has maintained agreements with the Navy to limit incompatible development near the base.

Virginia Beach and the Navy have a long-running formal agreement called the Joint Land Use Study to manage encroachment near NAS Oceana. Before planning any ADU in the central Virginia Beach area (particularly neighborhoods near the base in the Dam Neck / General Booth / London Bridge corridor), verify your parcel's AICUZ status with the Planning Department.

Flood Zones and Sea Level Rise

Hampton Roads is experiencing the fastest rate of relative sea level rise on the East Coast — driven by a combination of global sea level rise and local land subsidence from groundwater withdrawal and glacial isostatic adjustment. Norfolk tide gauge data shows over 14 inches of sea level rise in the past century. Virginia Beach, despite being geographically large, has substantial areas of low-lying coastal land affected by tidal flooding.

Properties in FEMA Special Flood Hazard Areas (Zone AE, VE, or AO) require ADU structures to meet or exceed the Base Flood Elevation (BFE). For Zone VE (coastal high-hazard), construction must be elevated on pilings or columns, making ADU construction significantly more expensive. FEMA updates flood maps regularly; verify your flood zone status at msc.fema.gov before committing to a design.

Permitting Process

1. Verify AICUZ status — Contact Planning or check the city's GIS portal to confirm your parcel is not in APZ I or APZ II
2. Check flood zone — Verify FEMA flood zone and required BFE on the FEMA Flood Map Service Center
3. Pre-application meeting — Schedule with the Virginia Beach Planning Department (757-385-4621)
4. Building permit application — Submit to the Permits and Inspections Division with full construction drawings
5. Inspections and Certificate of Occupancy — Required before occupancy

Contact Information

• Virginia Beach Planning Department: (757) 385-4621 | vbgov.com/government/departments/planning
• Permits and Inspections: (757) 385-4211
• Municipal Code: library.municode.com/va/virginia_beach/codes/code_of_ordinances

Disclaimer: This guide provides general information only and is not legal or planning advice. Zoning regulations, AICUZ boundaries, and flood maps change over time. Always verify current requirements directly with the City of Virginia Beach Planning Department and review the official municipal code before making development decisions.