584 Founder Ave, Middleton
A new single-level Blackstone Homes Sunstone in River Walk Crossing: 4 bedrooms, 2.5 baths, and an attached garage with an RV bay.
What is 584 Founder Ave?
584 Founder Ave is a new, never-occupied single-level home built by Blackstone Homes in the River Walk Crossing subdivision of Middleton, Idaho. It is the builder's Sunstone plan, with 4 bedrooms (or 3 plus an office, per the listing), 2.5 bathrooms, and 2,710 square feet on a 0.50-acre lot, plus an attached garage with an RV bay the listing describes as 50 feet long. It is listed at $1,279,900. The great room has a vaulted, beamed ceiling and a fireplace, and the covered back patio faces a pond that the homes on this block back onto.
- Price
- $1,279,900
- Status
- New construction
- Bedrooms
- 4
- Bathrooms
- 2.5
- Square feet
- 2,710
- Levels
- Single-level
- Garage
- Attached, with RV bay
- Lot
- 0.50 acre
- Year built
- 2026
- HOA
- $900 a year
- Community
- River Walk Crossing
- Builder
- Blackstone Homes
From the Intermountain MLS listing, October 30, 2026. Prices and availability change often. The MLS lists 3 bathrooms; Blackstone Homes lists the Sunstone plan as 2.5, the figure shown, so confirm with the listing agent.
The rooms that matter most
Great room
The kitchen, dining area, and great room share one open space under a vaulted, beamed ceiling, with a fireplace set in a wall of built-in shelves.
Kitchen
A large center island, a gas cooktop under a tall hood, stacked wall ovens, a panel-front refrigerator, and a walk-in pantry.
Primary suite
The primary bedroom has a beamed, vaulted ceiling and a sliding glass door to the covered patio, facing the pond.
Primary bath
Two sinks, a freestanding tub, a walk-in tiled shower, and a separate toilet room, with a walk-in closet off the bath.
RV bay
A long, tall bay the listing describes as a 50-foot RV bay, with a coated floor; the MLS lists 5 garage spaces in all.
Covered patio
A long covered patio with ceiling fans and lights, looking over the lawn to the pond.
Inside 584 Founder Ave
Listing photos of this home from the Intermountain MLS.
Around 584 Founder Ave, measured
Routes from the front door: groceries and the library off Main Street, Middleton Place Park, the Middleton schools, and the drives you'll make most.
- ParkMiddleton Place Park0.9 mi19 min walk
- 1GroceriesRidley's Family Market, Middleton1.1 mi7 min bike
- 2NearbyMiddleton Public Library1.3 mi10 min bike
- 3Middle schoolMiddleton Middle School1.8 mi12 min bike
- 4DowntownDowntown Middleton (City Hall)2.1 mi15 min bike
- 5Elementary schoolMiddleton Heights Elementary2.5 mi18 min bike
- 6High schoolMiddleton High School3.8 mi10 min drive
- MedicalSt. Luke's Nampa Medical Center7.2 mi14 min drive
- NearbyIdaho State Capitol (downtown Boise)22.8 mi41 min drive
- NearbyBoise Airport29.1 mi41 min drive
Nearest highway: State Highway 44 (Star Boulevard), about 0.4 miles away in a straight line. It carried about 14,000 vehicles a day in 2025 between North Middleton Road and Duff Lane (Idaho Transportation Department).
Not built yet: Homes are still going up in River Walk Crossing, so expect construction nearby.
Map rings show straight-line distance; numbers match the list. Some pins are nudged up to 0.15 mile so they don't overlap. List distances and times are OpenStreetMap routes by road or path, measured October 30, 2026. Sources: Idaho Transportation Department traffic counts (2025); Ridley's store locator, City of Middleton, and Middleton Public Library pages (checked October 30, 2026); Middleton School District boundary map; Canyon County parcel data. Map data © OpenStreetMap contributors.
River Walk Crossing, Middleton
River Walk Crossing is a subdivision on the north side of the Boise River in Middleton, south of State Highway 44 (Star Boulevard); Canyon County records this lot in River Walk Crossing No. 2, Lot 12, Block 3. The homes on this block back onto a long pond that runs between Founder and Midpoint Avenues, and Middleton Place Park is about 0.9 miles away on foot.
Assigned schools
Middleton Heights Elementary, Middleton Middle, and Middleton High (Middleton School District), per the district's 2025-2026 elementary boundary map. The MLS listing shows Mill Creek Elementary, so confirm with the Middleton School District before you buy.
Built by Blackstone Homes
Blackstone Homes is a home builder based in Middleton. Per its website, its owners have over 50 years of combined experience in the building industry, and it builds from its own floor plans or as custom homes. The Sunstone, this home's plan, is one of the plans it lists.
Shopping for an RV garage? New homes with RV garages near Boise lists more RV homes from small local builders.
584 Founder Ave, answered
How much is 584 Founder Ave?
$1,279,900, per its Intermountain MLS listing as of October 30, 2026.
Is 584 Founder Ave single-level?
Yes. The MLS lists it as one level, and Blackstone Homes shows the Sunstone as a one-floor plan.
Does 584 Founder Ave have an RV garage?
Yes. It has an attached garage with an RV bay, which the listing describes as 50 feet long, and the MLS lists 5 garage spaces. Blackstone Homes lists the Sunstone plan with a 2-car garage plus an RV garage, and the photos show three doors: a tall RV door, a single door, and a double door. The listing gives no door heights or other garage dimensions.
Which schools serve 584 Founder Ave?
Middleton Heights Elementary, Middleton Middle School, and Middleton High School (Middleton School District), per the district's 2025-2026 elementary boundary map. The MLS listing shows Mill Creek Elementary, so confirm with the Middleton School District.
What is the HOA fee at 584 Founder Ave?
$900 a year, per the MLS listing.
Who is Blackstone Homes?
Blackstone Homes is a home builder based in Middleton. Per its website, its owners have over 50 years of combined experience in the building industry, and it builds from its own floor plans or as custom homes. The Sunstone, this home's plan, is one of the plans it lists as of October 30, 2026.
What is behind 584 Founder Ave?
The backyard runs down to a pond, per the listing photos. The pond runs the length of the block between Founder and Midpoint Avenues, the homes on both sides back onto it, and Canyon County's parcel map draws this lot's back line into it. The listing doesn't say who owns or maintains the pond or what uses are allowed, so ask the HOA.
Where is the nearest grocery store to 584 Founder Ave?
Ridley's Family Market on East Main Street, about 1.1 miles by road, roughly a 3-minute drive.
What parks and trails are near 584 Founder Ave?
Middleton Place Park, about 0.9 miles on foot (19 minutes).
How close is 584 Founder Ave to a highway?
State Highway 44 (Star Boulevard) is about 0.4 miles away in a straight line. It carried about 14,000 vehicles a day in 2025 between North Middleton Road and Duff Lane (Idaho Transportation Department).
How do I schedule a tour of 584 Founder Ave?
Justin Murillo, REALTOR® with Amherst Madison, can set up a private showing and represent you as your buyer's agent. Call (805) 720-9197 or use the form below.
Tour 584 Founder Ave with Justin
Justin Murillo will set up a private showing and walk you through pricing and the home.
Prefer to call? (805) 720-9197
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Build in Idaho is the marketing name of Justin Murillo, REALTOR® with Amherst Madison. Build in Idaho is not affiliated with Blackstone Homes. This home is for sale by its builder through another brokerage; showing it doesn't mean the builder works with us.
Home details, prices, and availability are from the Intermountain MLS listing as of October 30, 2026 and can change at any time. The bath count and plan details are from Blackstone Homes' website, the schools are from the Middleton School District's 2025-2026 elementary boundary map, and the lot details are from Canyon County parcel data, all checked October 30, 2026. Confirm all details, including schools and HOA, before you buy. Place distances in What's near are estimates: OpenStreetMap routes measured October 30, 2026; the highway distance is straight-line.