Hastings on Hudson 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 Hastings on Hudson's zoning regulations in detail and outlined the key requirements below. Rules can change, so confirm details with the Hastings on Hudson Planning Department or book a free consultation with our team before starting your project.
Where Are ADUs Allowed
ADUs in Hastings on Hudson 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.
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 Hastings on Hudson's local zoning requirements. Contact the Hastings on Hudson 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 Hastings on Hudson
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 Hastings on Hudson'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 Hastings on Hudson typically takes 4 to 8 weeks on average in New York.
Frequently Asked Questions
Q: How much of my house can an ADU be in Hastings on Hudson?
In Hastings on Hudson, an accessory apartment must be between 300 and 850 square feet and cannot exceed 33 percent of the principal dwelling's floor area (unless the Planning Board approves an exception).
Q: Do I need to live in my house to have an ADU in Hastings on Hudson?
Yes, owner occupancy is required. The owner of the single-family residence must occupy one of the dwelling units on the premises as their principal residence.
Q: How many parking spaces must I provide for an ADU in Hastings on Hudson?
One additional off-street parking space is required for a one-bedroom ADU, or two spaces if the ADU has two bedrooms. Parking must be located on the same property.
Your property must be a single-family residential lot with appropriate zoning designation to be eligible for an ADU in Hastings on Hudson. At Haven, we handle the entire ADU process for Hastings on Hudson homeowners, from zoning verification and design through permitting and construction. Book a free consultation to find out if your property qualifies.