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Board approves Johnston Road PUD after developer shrinks lots, expands buffer and agrees to turn-lane work
Summary
After neighborhood meetings and plan revisions, the county approved a 74-lot planned unit development off Johnston Road with larger lots near existing homes, a widened western buffer and developer-funded right-turn lane. Neighbors had raised traffic, drainage and habitat concerns.
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The St. Lucie County Board of County Commissioners on Oct. 7 approved a proposed planned unit development (PUD) at 2098 Johnston Road after the developer revised the site plan to address neighbors' concerns about density, drainage and screening.
The developer reduced the plan from 82 to 74 lots and eliminated the previously proposed 70-foot-wide lots, adding 90-foot lots on cul-de-sacs nearest existing homes to the north. County planners described a strengthened western buffer that, in places, provides more than 100 feet of separation between new lots and existing Johnston Road properties, and enlarged retention ponds with littoral plantings. Staff recommended approval with conditions that include a tree survey and mitigation, a recorded cross access clause on the east property line for future connectivity only if mutually agreed by adjacent landowners, additional understory trees in the western buffer to create a "closed forest" effect, and a developer-funded northbound right-turn lane on Johnston Road into the subdivision. The county also will require that the developer demonstrate continued conveyance of stormwater from adjacent properties and meet standard public-works permitting, bonding and inspection requirements prior to certificate of occupancy.
Traffic engineering presented to the board estimated the development would generate roughly 765 daily vehicle trips with modest AM and PM peak impacts; county reviewers asked for a three-mile study area at final site plan to refine intersection impacts and calibrate trip-distribution assumptions. Residents who live along Johnston Road described long-standing flooding and safety concerns; some speakers worried the new subdivision would accelerate paving and traffic on small local lanes.
Attorney Lee Dobbins and planner Leslie Olson, representing the applicant, said the revised plan was the result of multiple neighborhood meetings and design changes intended to step density down toward existing rural lots. "This collaborative approach produces a better product, produces something that fits better with the neighborhood," Dobbins told the board. Neighbors remained mixed in their views at the hearing: some thanked the developer for the changes; others, including a biologist and long-term residents, said the project still raised concerns about habitat, drainage and future connector roads.
Vote: The board voted to approve the PUD (voice vote recorded as "All in favor, aye; any opposed? Motion carries."). The decision includes the staff-recommended conditions and the developer's commitment to the turn lane and additional buffering.
Why it matters: The project occupies land inside the county's urban service boundary and illustrates the trade-offs the county faces when converting former agricultural land to residential neighborhoods: the proposal adds housing and tax base and constructs centralized utilities and stormwater infrastructure, while requiring careful design to protect established neighbors and natural drainage patterns.
Ending: The approval moves the project to final site-plan review. Because the board allowed limited delegated approvals for final site plans in PUD cases, much of the remaining engineering and permitting will be handled by county staff and will include final inspections, bonding and verification of the developer-funded roadway improvements before certificates of occupancy are issued.

