Fair Oaks Ranch council approves amended development agreement for Post Oak subdivision, sets annexation and PID hearings

The Fair Oaks Ranch City Council on May 20 approved a resolution amending the development agreement for the 345‑acre project now known as Post Oak Subdivision, reduced the authorized number of homes and set public hearings for voluntary annexation and creation of a Public Improvement District.

The amended agreement trims the project’s footprint and infrastructure obligations: it reduces the number of homes from 635 under the original agreement to 278, requires all lots to be at least 1 acre, provides city water service while requiring on‑site septic wastewater systems, and transfers the property’s groundwater rights to the city, according to city staff presentations.

City staff described the tract as "a 345 acre tract located North and East of Ammon Road in our extraterritorial jurisdiction," and said the amended agreement replaces provisions for a centralized wastewater treatment plant with on‑site septic systems. Scott (city staff) told the council the developer will also convey groundwater rights "permanently to the city" as part of the utility services agreement included in the development agreement.

The amended agreement retains the option for Public Improvement District financing to cover infrastructure on the property; the city emphasized that any PID debt would be borne exclusively by property owners within the development and not by the city or its taxpayers. Scott said the PID, if created, would finance streets, drainage, water extensions and open‑space amenities and that the city would not assume repayment obligations.

The agreement also includes enhanced tree‑preservation measures: a 1:1…