Maximum lot coverage in Carmel is set per zoning district in the UDO Article 2 two-page layouts and applied through Section 5.08 (Density and Intensity Standards). In the S1, S2, and R1 single-family districts the maximum lot coverage is 35%.
Carmel sets maximum lot coverage by zoning district rather than a single citywide percentage. UDO Section 5.08 (DI-01: Density and Intensity Standards) states that 'The Maximum Lot Coverage shall be as indicated on the applicable two-page layout in Article 2.' For the common single-family residential districts, that layout sets the maximum lot coverage at 35% — confirmed for S1 (§2.04), S2 (§2.06), and R1 (§2.08). Lot coverage works together with other intensity controls on the same layout, including minimum ground floor area, maximum density (e.g., 1.0 lot/acre in S1, 2.4 in S2, 2.9 in R1), and the limit of one principal building per lot. Accessory buildings count toward coverage: UDO 5.02(B)(2) ties accessory-building lot coverage to the district maximum, and the combined ground-floor area of a private garage and accessory buildings may not exceed 75% of the principal building's ground-floor area (5.02(B)(3)). For non-residential lots, the principal buildings, garages, and accessory buildings combined may not exceed the district's maximum lot coverage, and accessory uses in a side or rear yard may not occupy more than 30% of that yard (5.03(B)(2)). If a density or intensity standard does not appear on a district's layout, it does not apply to that district (5.08(A)). Urban districts use separate floor-area standards (5.11–5.12) that can adjust allowable coverage based on parking and stormwater.
Exceeding the district's maximum lot coverage is a UDO violation that can block a building permit or certificate of occupancy. Code Enforcement can require removal of the over-coverage structure or impervious area; relief requires a variance from the Carmel Board of Zoning Appeals. Stormwater rules (5.11–5.13 and the Carmel Stormwater Management Ordinance) independently cap impervious area and post-development discharge, so additional coverage may also trigger drainage-permit review.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Carmel's lot coverage limits rules stack up against other locations.
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