Council approves Deer Flat Ranch master-plan after extended public hearing

The Nampa City Council voted unanimously to approve annexation, zoning, and preliminary plat approval for the Deer Flat Ranch master‑planned community, a proposal that will add 259.95 acres to the city and create a mix of residential, agricultural and commercial uses. The approval came after more than an hour of presentations from project representatives, a detailed staff report and a long public hearing that drew several dozen speakers both for and against the project.

The council approved a plan that designates 144.14 acres as agricultural (AG), 20.6 acres as community business (BC) and the remaining acreage for a range of residential zones (RS4, RS7, RS8.5, RS15 and RS22). The preliminary plat shows 189 single‑family detached lots, seven commercial lots, three agricultural lots and 25 common‑use lots. The applicant told council the design concentrates smaller lots near existing city limits and locates larger lots and open/agricultural areas toward the wildlife refuge and former Bowman gravel pit.

City staff told the council that utilities are available to serve the site and that required right‑of‑way dedications and on‑site stormwater measures are conditions of approval. The applicant and project engineer said they will retain substantial open space: roughly 15.5% qualified open space inside the platted area and about 60% of the gross site left as open/agricultural or otherwise undisturbed when outlying acreage is counted. The applicant also described proposed farm‑oriented amenities — lavender fields, a Japanese garden, vineyards, a five‑acre pond and seasonal events — and said the family intends to preserve and operate agricultural uses in perpetuity on the acreage designated AG.

Traffic analysis reviewed by the city showed limited immediate need for project‑specific intersection upgrades; however, the project’s traffic study recommended a fair‑share contribution toward signalization at Greenhurst Road and Sandcrest Way when warranted. The city’s capital plan already includes a roundabout at Midland Boulevard and Greenhurst Road for 2027, which engineering staff said will mitigate a key intersection forecast to degrade without that improvement. City engineering also required that future commercial building permits be accompanied by updated traffic information and that the developer contribute to planned infrastructure in accordance with impact‑fee policy.

Council and staff incorporated several development controls into the approval. The approved development agreement and conditions limit total residential building lots to 189 at buildout and require that the platted project “substantially comply” with the concept plan attached to the agreement. The Planning & Zoning Commission’s recommended list of permitted and conditional uses for the AG‑Mixed‑Business‑Commercial (AgMBC) parcels was adopted with edits: an amphitheater and public storage are explicitly prohibited in the pit area, and several commercial uses are restricted or subject to conditional use review. The agreement also prohibits fencing along the boundary shared with the Deer Flat National Wildlife Refuge to preserve wildlife movement, and it includes a minimum buffer adjacent to the refuge with landscaping and lower building heights toward the west.

Developers pledged a reclamation and reuse plan for the former Bowman gravel pit, describing it as a long‑term opportunity for community amenities including a potential park, sports complex, research or educational use and other low‑impact public benefits. The council’s approval requires the developer to provide a permitted‑use list for the pit’s commercial parcels and to submit final construction plans that demonstrate no adverse downstream stormwater impacts.

Public comment was lengthy and mixed. Dozens of residents came forward. Supporters told council the plan preserves agricultural features, creates public, family‑oriented amenities and prevents a more‑intense, uncontrolled development of the property by other buyers. Opponents focused on traffic, wildlife and water: many speakers asked for larger lot sizes near existing rural properties, stronger guarantees for the wildlife buffer and further study of road capacity and aquifer impacts.

After deliberation the council approved the annexation, zoning and master plan by roll‑call vote. The motion carried unanimously.

The council also directed staff to work with the developer and relevant agencies to track implementation milestones, including dedication of right‑of‑way; submittal of final plats and engineering; traffic‑improvement contributions; and a recorded development agreement that memorializes the project limits and permitted uses. The project will return to the city in standard subsequent stages — engineering plan review, final plat and building permits — when those submittals are filed.

The council approval marks a major step in a multi‑decade planning process for the southwest side of the city. The site’s owners and project team emphasized that the development is market‑driven and staged over many years; council members and staff repeatedly noted that additional, project‑level review will be required for each commercial building and for subdivision construction documents.

Votes at a glance — Deer Flat Ranch annexation (ANN00312‑2024 / MPC02‑2024): motion to approve annexation, master plan and preliminary plat with staff conditions and development agreement language — APPROVED by unanimous roll call (Rodriguez, Jengula, Hills, Griffin, Haverfield, Reynolds voting Yes).