Accessory Structures in Millcreek, PA (2026)
4 verified accessory structures rules for Millcreek, Pennsylvania, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
In Millcreek Township, Erie County, Pennsylvania, the only accessory dwelling the code allows is an In-Law Apartment inside an owner-occupied detached single-family house. It is capped at 720 square feet or 40% of the principal dwelling's total area, whichever is less, with two bedrooms maximum and only in-laws as occupants.
In-Law Apartment Rules in Millcreek Township, PA
Significant RestrictionsMillcreek Township Code § 145-58
B. The Dwelling in which the In-Law Apartment is being created must be owner-occupied and the Dwelling Unit occupied by the owner must be greater than 70% of the total living space, including the In-Law Apartment. Living space of the In-Law Apartment shall not exceed 720 square feet or 40% of the principal Dwelling's total area, whichever is less. For purposes of this Section, "living space" sh...
ADU Owner Occupancy
In Millcreek Township, Erie County, Pennsylvania, an In-Law Apartment is allowed only in a Dwelling that is owner-occupied. The owner's Dwelling Unit must be greater than 70% of the total living space, and the apartment itself cannot exceed 720 square feet or 40% of the principal Dwelling's total area, whichever is less.
Millcreek Township In-Law Apartment Owner Occupancy Rules
Significant RestrictionsMillcreek Township Code § 145-58(A)-(B)
§ 145-58. In-Law Apartment. A. Must at all times meet all elements of the term's definition as set forth in Article II of this Chapter as well as all criteria for the Use and any conditions imposed. B. The Dwelling in which the In-Law Apartment is being created must be owner-occupied and the Dwelling Unit occupied by the owner must be greater than 70% of the total living space, including the In...
ADU Rental Restrictions
Millcreek Township Code § 145-58(H) in Erie County, Pennsylvania expressly prohibits occupancy or rental of an In-Law Apartment by anyone other than in-laws as Chapter 145 defines them. The definition limits occupants to an in-law of, in-laws of or a member of the Family unit occupying the main portion of the Dwelling.
Millcreek Township In-Law Apartment Rental Prohibition
Heavy RestrictionsMillcreek Township Code §§ 145-11, 145-58(H)
IN-LAW APARTMENT A separate living space within a Single-Family Dwelling, Detached consisting of separate sleeping, cooking and bathroom facilities and which is to be occupied by an in-law of, in-laws of or a member of the Family unit occupying the main portion of the Dwelling. ... § 145-58. In-Law Apartment. ... H. The occupancy or rental of an In-Law Apartment by persons other than in-laws as...
Shed & Carport Rules
In Millcreek Township, Erie County, Pennsylvania, every accessory structure needs a permit except a one-story detached structure with a Gross Floor Area of 100 square feet or less. A residential lot gets no more than two of those small structures, and accessory structures in residential and mixed use districts are capped at 20 feet tall.
Millcreek Township Shed and Accessory Structure Rules
Some RestrictionsMillcreek Township Code § 145-27
C. Unless otherwise provided in this Chapter, Accessory Structures shall meet all applicable Setbacks in the underlying zoning district; provided that in Residential Zoning Districts, an Accessory Structure may be located a minimum of two feet from the Lot's boundary line so long as the Building or Structure is at least 10 feet to the rear of a Dwelling and at least five feet from a porch, Pati...