Accessory Dwelling Units in McLean, Virginia

Understanding Accessory Dwelling Units (ADUs) in McLean, Virginia

As McLean continues to evolve, homeowners are exploring innovative ways to maximize their property's potential. One such solution gaining popularity is the addition of Accessory Dwelling Units (ADUs). In Fairfax County, these are officially termed Accessory Living Units (ALUs). This guide delves into the specifics of establishing an ALU in McLean, highlighting local regulations, benefits, and considerations.

Why Consider an ALU in McLean?

• Multigenerational Living: Accommodate aging parents or adult children while maintaining privacy.
• Rental Income: Generate additional income by renting out the unit.
• Increased Property Value: Enhance your property's market appeal and value.(Whiteford Law)

Fairfax County Regulations for ALUs

Fairfax County has specific guidelines for ALUs to ensure they align with community standards:

• Eligibility: Only single-family detached homes are permitted to have an ALU.

• Owner Occupancy: The property owner must reside in either the main dwelling or the ALU.

• Occupancy Limit: The ALU can house no more than two individuals and may contain up to two bedrooms.

• Size Restrictions:

  • Interior ALUs: Must not exceed 800 square feet or 40% of the principal dwelling's gross floor area, whichever is less.
  • Detached ALUs: Permitted only on lots of two acres or more, with a maximum size of 1,200 square feet.

• Access and Entrances:

  • New external entrances for ALUs must be located on the side or rear of the dwelling to maintain the neighborhood's aesthetic.
  • There must be direct interior access between the ALU and the main dwelling through a finished, temperature-controlled, and fully enclosed space.

• Parking Requirements:

  • Properties must provide one additional on-site parking space beyond what is required for the principal dwelling.
  • For homes on public streets, a total of three off-street parking spaces are required; on private streets, four spaces are necessary.( Fairfax County)

Source: Fairfax County Accessory Living Unit Information

The Permitting Process

Establishing an ALU involves obtaining the appropriate permits:

• Administrative Permit: Applicable for interior ALUs that meet all standards.
• Special Permit: Required for detached ALUs or if modifications to standard requirements are needed.(Fairfax County)

All applications must be submitted electronically through the PLUS application portal. The process includes submitting detailed floor plans, property plats, and other necessary documentation.(Fairfax County)

Considerations Specific to McLean

While Fairfax County provides overarching regulations, McLean homeowners should also consider:

• Homeowners Association (HOA) Rules: Some HOAs may have additional restrictions or guidelines regarding ALUs.
• Historical Districts: Properties within historical districts may face stricter regulations or require additional approvals.
• Property Characteristics: Lot size, existing structures, and topography can influence the feasibility and design of an ALU.(Fairfax County)

Conclusion

Adding an Accessory Living Unit in McLean offers numerous benefits, from accommodating family members to generating rental income. By understanding and adhering to Fairfax County's regulations, homeowners can successfully enhance their property's functionality and value.(Home Perfection Contracting)

For a more comprehensive overview of ALUs in Fairfax County, visit our main guide.

---

Note: This blog post is intended for informational purposes and does not constitute legal or professional advice. Always consult with local authorities or professionals before undertaking construction projects.