Murfreesboro charges standard building permit fees based on construction valuation through the Building and Codes Department, plus Murfreesboro Water Resources Department tap and capacity fees for new water/sewer connections. Tennessee has no statewide ADU impact-fee waiver. Accessory apartments sharing the principal dwelling's water/sewer service avoid most utility tap fees. Murfreesboro Electric Department charges separate service-extension fees.
Murfreesboro does not offer ADU-specific impact-fee waivers. Standard development fees apply for an accessory apartment: a building permit fee based on construction valuation under Murfreesboro City Code Chapter 7, and separate trade permits for electrical, plumbing, and mechanical work as adopted through the 2018 International Residential Code. The Murfreesboro Water Resources Department (formerly Water and Sewer) charges Tap and Capacity Fees when a new water or sewer service is required. Accessory apartments sharing the principal dwelling's existing tap typically pay no additional impact fee. Murfreesboro Electric Department (MED), the municipally owned electric utility serving the city, charges its own service-extension and meter fees separately from the city building permit. Tennessee does not impose a statewide ADU impact-fee cap or waiver analogous to California Government Code § 65852.2(f) or Oregon's HB 2001. Rutherford County school facilities fees apply to net new dwelling units in some unincorporated areas but not inside Murfreesboro city limits. Atmos Energy provides natural-gas service and charges its own tap fees. Properties near Middle Tennessee State University in the Greenland Drive and Tennessee Boulevard areas have older infrastructure that may trigger additional sewer-line upgrade requirements during permit review.
Failure to pay required fees results in permit denial or revocation under Murfreesboro City Code Chapter 7. Building or occupying an accessory apartment on an unauthorized utility connection is a code violation subject to penalties of up to $50 per offense per day under Murfreesboro City Code § 1-8 and TCA § 13-7-208. Murfreesboro Water Resources may disconnect unauthorized taps.
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