Trillium Estates is located along Trillium Court north of Route 22 and west of Route 59 in Lake County. The subdivision is situated within Cuba Township and uses Barrington mailing addresses.

Documented properties range from approximately 5.06 to 6.15 acres. Buyers should review property surveys to confirm boundaries, easements, wooded areas, and usable land.

Yes. The subdivision includes individually designed luxury residences rather than standardized builder models. Architectural styles, room configurations, finishes, and additional property features vary by home.

Yes. County records document a residence with approximately 8,910 square feet, while another historical listing advertised approximately 15,251 square feet of total living area. Buyers should confirm how finished basements and other spaces are included in reported measurements.

Yes. Private well and septic systems are documented at multiple properties. Buyers should review maintenance histories and arrange appropriate inspections before purchasing.

Some properties feature extensive garage facilities, workshops, or additional structures. Buyers planning new improvements should review zoning regulations, building restrictions, and recorded property covenants.

Published property records do not consistently identify a required master association assessment. Buyers should review title documents and any recorded agreements involving the gated entrance, private roads, or shared property maintenance.

Documented properties are assigned to North Barrington Elementary School, Barrington Middle School – Station Campus, and Barrington High School within District 220. Buyers should verify current attendance boundaries for the specific address.

The subdivision has limited turnover, and published community data showed no active listings in early November 2026. Buyers interested in Trillium Estates should monitor new listings and compare each property's acreage, condition, and improvements.