Beacon has established clear ADU guidelines that, while having specific requirements, provide a pathway for homeowners to build on their existing property. Whether you're considering a primary residence for a family member, a rental income source, or an independent square footage for your growing family, understanding the local zoning rules is essential to moving forward with confidence. We've reviewed Beacon's zoning regulations in detail and outlined the key requirements below. Rules can change, so confirm details with the Beacon Planning Department or book a free consultation with our team before starting your project.
Where Are ADUs Allowed
ADUs in Beacon are permitted on single-family residential properties. ADUs are permitted on single-family residential properties that meet current zoning district requirements.Each property is limited to one ADU. Key neighborhoods where ADUs are often approved include downtown, Rondout.
Types of ADUs Allowed
Attached (an addition to your existing home that shares a wall, maintaining architectural cohesion with the main structure). Detached (a standalone structure in your backyard, ideal for rental income, multigenerational living, or maximum privacy). Converted (repurposing an existing garage, basement, or accessory structure, often the most expedient option since the shell already exists).
Size Limits
ADU size must comply with Beacon's local zoning requirements. Contact the Beacon Planning Department for specific square footage limits.
Parking
Off-street parking requirements apply to ADUs.
Owner Occupancy
Owner occupancy is required. The property owner must continuously occupy either the main home or the ADU as their primary residence.
Rental Use
Long-term rentals are generally permitted. Short-term rental restrictions may apply, so check local regulations if you're considering Airbnb or VRBO-style leasing.
How to Build an ADU in Beacon
Schedule a free consultation with Haven to confirm your eligibility and walk through your options
Work with a Haven designer to develop your custom ADU project that meets Beacon's local regulations
Haven handles all communication with the municipality and submits your permit application
During construction, the Haven team visits the site regularly to ensure what is being built meets our standards
Certificate of occupancy is issued after the final inspection, allowing the unit to be legally occupied
Permit approval in Beacon typically takes 4 to 8 weeks on average in New York.
Frequently Asked Questions
Q: What is the maximum size ADU in Beacon?
In Beacon's single-family districts, ADUs can be between 200 and 1,000 square feet, but not more than 50 percent of the principal building's total square footage.
Q: Can I use my ADU as a short-term rental in Beacon?
No, ADUs in Beacon cannot be used for short-term rentals. The owner of the property must live on-site, and only one ADU is allowed per single-family lot.
Q: Do I need Planning Board approval for an ADU in Beacon?
If the ADU is created inside an existing house with no new construction, the building inspector can approve it. For additions or new construction, Planning Board review is required, which can be time-consuming and costly.
Your property must be a single-family residential lot with appropriate zoning designation to be eligible for an ADU in Beacon. At Haven, we handle the entire ADU process for Beacon homeowners, from zoning verification and design through permitting and construction. Book a free consultation to find out if your property qualifies.