
Placer County is moving to turn roughly 110,000 square feet of Rocklin office space into a West Placer command center for both public safety and everyday county services. The plan revolves around two neighboring buildings at 5700 and 5750 West Oaks Boulevard, each about 55,000 square feet. County officials say one building is set to become a new West Placer Sheriffs Station paired with a forensic science lab, while the other will be fitted out for resident-facing county departments. Tenant improvements are underway, with staged openings expected through summer 2026.
What the county says it will build
According to Placer County, the 5750 West Oaks building is slated to house the future West Placer Sheriffs Station and the countys first in-house forensic science lab. Initial lab work will center on toxicology and controlled-substance testing under the District Attorneys Office, which the county says should ease pressure on backlogged state laboratories. The county also outlines plans to eventually add DNA and ballistics capabilities as the facility ramps up.
Deal reporting and the numbers
Coverage by the Sacramento Business Journal reports that Placer County now controls about 110,000 square feet of Rocklin office space after acquiring the two adjacent buildings. Reporter Ben van der Meer describes the move as a deliberate "road map" for how the county intends to deploy that space for law enforcement and public services over the next few years.
When and how the purchase was authorized
State environmental records show the Board of Supervisors formally signed off on acquiring the 5750 West Oaks parcel on July 23, 2024. The California Environmental Quality Act filing describes a 5.8-acre property improved with a roughly 54,940-square-foot building and lists a purchase price of $6.5 million. The Notice of Exemption and project description are posted on the states CEQA portal at CEQAnet.
Rocklin talks and mitigation payments
While the county was lining up the deal, the City of Rocklin flagged concerns about shifting commercial property into government use and the potential hit to local revenues. In response, county staff proposed mitigation payments. A staff memo to the Board of Supervisors outlines a one-time in-lieu traffic payment of $500,000, plus annual revenue-offset payments of $400,000 for an initial 10-year term to address the citys concerns, as detailed in the Placer County staff memo.
Timeline and what residents can expect
Tenant improvements kicked off in early August 2025 and are scheduled to continue through summer 2026, with some patrol functions and limited services already beginning as the county gradually converts and occupies the buildings. Officials also stress that the West Oaks site will not include a jail or registered sex-offender services. The county says it is pursuing grants and potential academic partnerships to help staff the forensic lab and broaden its services for West Placer and the surrounding region.









