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Mount Prospect, Illinois
Triangle
Triangle is a single-family home community in Mount Prospect, Illinois built between 1949 and 1959. Everything below comes straight from the MLS and updates hourly.
Schools typically serving Triangle: Fairview Elementary School · Lincoln Junior High School · Prospect High School (assignments can vary by address — always verify with the district)
Homes for sale in Triangle, Mount Prospect
Updated 8/25/2026 9:23 PM CDT · Listings courtesy of MRED as distributed by MLS GRID
Thinking of selling here? 4 homes closed in Triangle, Mount Prospect in the last 6 months at a median of $511,000. Get your free valuation →
Listings courtesy of MRED as distributed by MLS GRID. MLS GRID
Based on information submitted to the MLS GRID as of 8/25/2026 9:23 PM CDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS.
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Recent sales in Triangle
| Address | Beds / Baths | Sold | Price |
|---|---|---|---|
| 206 S Owen Street | 3 bd / 2 ba | Aug 2026 | $511,000 |
| 222 S Edward Street | 5 bd / 3.5 ba | Aug 2026 | $1,050,000 |
| 304 S Mount Prospect Road | 2 bd / 2 ba | Jun 2026 | $503,000 |
| 210 N Russel Street | 4 bd / 2 ba | Mar 2026 | $649,000 |
| 1000 E Lincoln Street | 2 bd / 2 ba | Oct 2025 | $510,000 |
| 700 E Busse Avenue | 3 bd / 3 ba | Sep 2025 | $561,500 |
| 213 S Owen Street | 3 bd / 2 ba | Aug 2025 | $585,000 |
Sold data courtesy of MRED as distributed by MLS GRID; properties may be listed or sold by various participants in the MLS.