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Reflection Park at River Islands in Lathrop with lakeside views, walking paths, basketball court, volleyball court, and open green space

The Master Plan

River Islands Is A Master Planned Community Along The San Joaquin River.

Our almost 5,000 acre community has been planned to bring together all of the best elements of the relaxed Delta lifestyle with a vision that is decidedly green, healthy, high tech and in harmony with nature.

We have envisioned a community comprised of architecturally-distinctive neighborhoods built by some of California’s most outstanding home builders. Schools that are in step with advanced curricula and state-of-the-art learning devices. A 350 acre business campus designed for research, campus uses and headquarters space. A beautifully-detailed downtown retail area, with businesses, shops and dining. Acres and acres of parks, playing fields, lake recreation and nearby access to the Delta. All connected to the Tri-Valley, BART and Silicon Valley by ACE Train.

River Islands Is A Place To Live, Work, Learn, Play And Most Of All—A Place To Belong.

Our Master Plan Includes:

  • Approximately 4,905 total acres
  • Approximately 15,000 residences are to be built over the next 20+ .years
  • Seven schools planned within the community
  • Acres of parks, playing fields, green spaces, and picnic areas
  • Neighborhood lakes for non-motorized boats
  • 18 miles of riverfront trails for bicycling and pedestrian use
  • 11 miles of lakefront access
  • Nearby access to hundreds of miles of Delta waterways
  • State-of-the-art business campus, now in the planning
  • Downtown retail, now being designed
  • Served by the Altamont Commuter Express (ACE) Train, with connections to Bay Area Rapid Transit (BART)
  • Convenient to I-5, I-205, I-580 and Hwy 99

The neighborhoods of River Islands have been created to take full advantage of the community’s setting and amenities. Some neighborhoods look out to our lakes and others are planned in proximity to our schools, parks and the San Joaquin River

      Master Plan Map

      River Islands Master Plan Map

      Frequently Asked Questions

      aerial view of River Islands entrance

      Have a question about our amazing community? Don’t worry, we’re here to help. Click below to find the answers to our most commonly asked questions about River Islands.

      Green, Clean and Future-Directed

      River Islands is at the forefront of bringing new technology home, from water recycling to advances in solar energy usage. Vehicle charging stations are already in place near the Executive Offices on W. Stewart Rd. so come plug in while you’re visiting our community!

      Safety and Security

      Lathrop-Manteca
      Fire Department Station 35

      River Islands now has a new, state-of-the-art fire station within the community! Station 35 is one of the few local stations that can house two crews. It is also the home of the district’s administrative operations.

      Chief Gene Neely said at the station’s opening last year, “The addition of Fire Station 35 will reduce response time to River Islands by more than 60 seconds… and in an industry measured by seconds, this is HUGE.”

      The new station, located at 19001 Somerston Parkway, is not just a game changer for the Fire Department. The River Islands community also benefits from a beautifully designed and furnished community room, which can be used for club meetings, civic organizations and groups like Neighborhood Watch to meet.

      Lathrop Police Department Headquarters

      Lathrop Police Department Headquarters

      Lathrop Police Services, a division of San Joaquin County’s Sheriff’s Office, opened its brand-new Administrative Headquarters in River Islands in 2022. Located west of Bradshaw’s Crossing Bridge, the building is one of the first things newcomers to River Islands see upon entering the community, so keep an eye out! Since the police staff will use this facility to pick up and drop off cars at the beginning of each shift, there is an active and visual presence of uniformed police officers at the site daily.

      Super Levee

      The River Islands flood control program is unprecedented. Specially constructed 300-foot wide “super levees” create a high ground perimeter at the river’s edge, providing a 200 year level of protection for the first 900 acres of the development and constitutes the flood protection plan for the balance of the project.

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