9939 Ontario Ln is listed for sale at $ 2,599,000. The Residential - Single Family property has 4 bedrooms, 5 Full Bathrooms, 5116 square feet and was built in 2025. The lot size is 0.214 Acres. BRThis custom new construction home in the sought-after North Dallas community of Midway Hollow is designed for today’s luxury buyers, offering over 5,100 square feet of refined living. Light and bright with vaulted ceilings throughout, the home features a modern open-concept layout filled with designer finishes and high-end upgrades. An impressive office with a full bath and closet provides a quiet workspace or guest suite. Wide-plank white oak flooring, Level 4 museum-finish walls and designer lighting create a clean aesthetic. The adjacent living and dining areas open through expansive four-panel collapsible sliding glass doors creating seamless indoor-outdoor living with direct access to the covered patio featuring a built-in grill and retractable screens for year-round enjoyment. The living room wet bar features a wine and beverage cooler ideal for entertaining. The chef’s kitchen anchors the home, featuring a premium Monogram appliance suite with a built-in refrigerator and six-burner cooktop, quartzite countertops and an oversized island with seating. The first-floor primary suite is a private retreat featuring a spa-inspired bath with imported Italian ceramic tile, a freestanding soaking tub, and an oversized walk-in shower complete with a rain shower head, dual additional shower heads, and a hand sprayer, all enclosed in frameless glass. The custom walk-in closet features a built-in vanity and direct access to the utility room for added convenience. Upstairs offers three additional ensuite bedrooms, a game room, and a media room with enhanced noise-reduction insulation and a wet bar with beverage cooler, providing ideal flexibility for entertaining. Energy-efficient upgrades include Anderson windows, 3-zone Lenox HVAC, Rinnai tankless water heaters, and full foam encapsulation. The 721-square-foot garage features 12-foot ceilings designed for a lift system. This is a rare opportunity to own a meticulously crafted luxury home in an established neighborhood