Homes in The Colonies At San Antonio, Upland, CA

5 homes for sale · Updated August 12, 2026

• 1855 old baldy, Upland 91784 $990,000 · 4 bd · 3 ba · 2,828 sqft
• 1855 north ambrosia avenue, Upland 91784 $970,999 · 4 bd · 3 ba · 2,912 sqft
• 1721 arthur loop west, Upland 91784 $1,020,000 · 4 bd · 3 ba · 3,010 sqft
• 1783 old baldy, Upland 91784 $1,199,000 · 4 bd · 3 ba · 3,079 sqft
• 851 christian court, Upland 91784 $790,000 · 3 bd · 3 ba · 1,857 sqft