Can you build an ADU in Clermont, NY?

Residential Agricultural - A multifamily dwelling needs no more land than a single-family one here, so the 2 acre minimum applies either way (§ 4.14.17). Every lot also needs at least 50 ft of road frontage.

• A manufactured home park is permitted in RA only, on at least 10 acres able to hold 20 homes, with each home lot at least 10,000 sq ft and nothing within 50 ft of the street or any property line.
• At least 10% of the park must be open space or recreation, and the perimeter carries two staggered rows of evergreens at least 6 ft high and no more than 16 ft apart.
• Existing one-acre RA parcels in common ownership are preserved as one-acre lots (§ 3.22), and converting a one-family residence to two-family or multifamily keeps the existing lot area.
• An accessory structure may not stand in a front yard, nor within 10 ft of any side or rear property line.
• Wind energy conversion systems may reach 150 ft, and the 35 ft limit does not bind silos, barns, church spires, solar equipment or telecommunication towers; the ZBA may approve above it (§ 4.5).
• The 700 sq ft floor minimum excludes the basement and does not apply to apartment units, and no single commercial building may exceed 20,000 sq ft of lot coverage (§ 4.6).

Hamlet - Every lot needs at least 50 ft of road frontage. A multifamily dwelling needs the same minimum lot area as a single-family dwelling in this district, so no extra land is required for it (§ 4.14.17).

• Converting an existing one-family residence to a two-family or multifamily one can keep the existing lot area by special permit (§ 4.14.10). That route does not reach new construction.
• An accessory structure may not stand in a front yard, nor within 10 ft of any side or rear property line.
• No single commercial building may exceed 20,000 sq ft of lot coverage (§ 4.6).
• The 700 sq ft floor space minimum applies per single-family dwelling unit, excluding the basement, and not to apartment units; an accessory apartment must be smaller than the unit it serves (§ 4.6).
• The 35 ft height limit does not bind telecommunication towers, church spires, silos, barns or other farm structures or flagpoles, and the Zoning Board of Appeals may approve above it (§ 4.5).
• Wind energy conversion systems may reach 150 ft rather than the 35 ft building limit. Setbacks are measured from property lines.

Residential Limited Business (3A) - Every lot needs at least 50 ft of road frontage, on top of the figures shown. A multifamily dwelling needs no more land than a single-family one in this district (§ 4.14.17).

• No single commercial building may exceed 20,000 sq ft of lot coverage (§ 4.6).
• Converting an existing one-family residence to a two-family or multifamily one keeps the existing lot area, by special permit (§ 4.14.10). It does not reach new construction.
• An accessory structure may not stand in a front yard, nor within 10 ft of any side or rear property line. Setbacks are measured from property lines.
• The 35 ft height limit does not bind church spires, telecommunication towers, silos, barns, solar equipment or flagpoles (§ 4.5), and the Zoning Board of Appeals may approve above it.
• Wind energy conversion systems may reach 150 ft rather than the 35 ft building limit.
• The 700 sq ft minimum floor space is per single-family dwelling unit, excluding the basement. It does not apply to apartment units (§ 4.6).

Low Density Residential - A multifamily dwelling needs no more land than a single-family house in the same district (§ 4.14.17). Every district also requires 50 ft of minimum road frontage, which the table does not show.

• Converting an existing one-family residence to a two-family or multifamily one keeps the existing lot area, by special permit (§ 4.14.10). It does not reach new construction.
• An accessory structure may not stand in a front yard, nor within 10 ft of any side or rear property line.
• The 700 sq ft of floor space is required per single-family dwelling unit and excludes the basement; it does not apply to apartment units (§ 4.6).
• An accessory apartment must be smaller than the unit it is accessory to.
• The 35 ft height limit does not bind silos, barns or other farm structures, church spires, solar equipment or flagpoles (§ 4.5), and the Zoning Board of Appeals may approve above it.
• Wind energy conversion systems may reach 150 ft rather than the 35 ft building limit.

Residential Limited Business (1A) - Every lot needs at least 50 ft of road frontage, on top of the figures shown. A multifamily dwelling needs no more land than a single-family one: the minimum lot area is the same in this district (§ 4.14.17).

• No single commercial building may exceed 20,000 sq ft of lot coverage (§ 4.6).
• Converting an existing one-family residence to a two-family or multifamily one keeps the existing lot area, by special permit; it does not reach new construction (§ 4.14.10).
• An accessory structure may not stand in a front yard, nor within 10 ft of any side or rear property line.
• The 700 sq ft minimum applies per single-family dwelling unit and excludes the basement. It does not apply to apartment units (§ 4.6).
• The 35 ft height limit does not bind church spires, silos, barns and other farm structures, solar equipment or flagpoles, and the Zoning Board of Appeals may approve above it (§ 4.5).
• Setbacks are measured from property lines.

Roe Jan Corridor - A lot here must also have 450 ft of stream frontage (schedule note 1), in addition to the lot width shown. Minimum road frontage is 50 ft.

• No single commercial building may exceed 20,000 sq ft of lot coverage (§ 4.6).
• The 700 sq ft floor area applies per single-family dwelling unit and excludes the basement; it does not apply to apartment units (§ 4.6).
• An accessory structure may not stand in a front yard, nor within 10 ft of any side or rear property line (schedule note 3).
• The minimum lot area for a multifamily dwelling is the same as for a single-family dwelling in this district (§ 4.14.17).
• Converting an existing one-family residence to a two-family or multifamily one keeps the existing lot area by special permit (§ 4.14.10); it does not reach new construction.
• Wind energy conversion systems may reach 150 ft, and the 35 ft limit does not bind telecommunication towers, church spires, silos, barns or other farm structures, solar equipment or flagpoles (§ 4.5).