Commission approves use‑on‑review and development plan for 300‑unit multifamily project with stormwater conditions

Knoxville Knox County Planning Commission · November 13, 2025

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Summary

The commission approved a development plan and use‑on‑review for a multifamily project (up to 300 units, 274 of which are within OBK zone) subject to staff conditions and stormwater detention requirements to maintain predevelopment flow rates to downstream properties.

The commission approved a development plan for a multifamily project by Thompson Thrift Development that includes up to 300 units, with up to 274 units allowed in the OBK zoning area, subject to nine staff conditions. Commissioners also approved the associated use‑on‑review (with one condition) as recommended by staff.

A nearby resident, Andres Mateo, raised concerns about stream impacts and runoff onto his property. County engineering explained that new developments must detain post‑development runoff and release it at predevelopment flow rates to avoid increasing downstream velocity; detention ponds were shown on concept documents and staff said engineering will require detailed computations during design‑plan review.

Ben Mullins, representing the applicant, said the team will continue to work with engineering in the design phase to meet stormwater requirements and other conditions. The motion to approve the development plan and the use‑on‑review carried by voice vote.

Staff emphasized that meeting stormwater and buffering requirements during permitting is a condition of approval and that engineering will review detention volumes and release rates before construction permits are issued.