


3 River Rd, King of Prussia, PA 19406
Fusion PHL Realty, LLC
















































Est.$5,227/moCustomize payment
Just listed
On the market for 1 day
$380/sqft
Price per square foot
Built in 1959
67 years old
Perched gracefully into the hillside and designed to grow organically from the surrounding landscape, ''The Hill House'' is a rare Mid-Century Modern retreat designed by renowned architect Art Hannafin, inspired by the artistic vision of Fritz Janschka. Set on nearly 4 acres of tranquil wooded grounds in sought-after Gulph Mills Village and located within the award-winning Upper Merion School District, this architectural gem blends timeless design with nature at every turn. Clean lines, broad walls of windows, and sweeping views toward Gulph Mills create a seamless connection between indoor an...
Listed by Michelle L Bauer, Century 21 Norris-Valley Forge
610-724-4038 · michellebauerrealtor@gmail.com · Office 610-933-8600
Source: Bright MLS · MLS #PAMC2179188
Listed May 19, 2026
Last updated May 20, 2026
Est. monthly payment
Down payment
Based on 20% down ($159,000), 6.85% interest rate, 30-year fixed. Insurance is an estimate. Actual costs may vary.
Rates provided by Mable Loans.
| Date | Event | Price |
|---|---|---|
| May 19, 2026 | Listed for sale | $795,000 |
302 Gypsy Ln, King Of Prussia, PA 19406
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