Monroe Valley in Jonestown, PA Find all the features and amenities you’ve been searching for with Monroe Valley manufactured homes in Jonestown, PA. Nestled between mountains in the beautiful countryside, Monroe Valley has everything you need. Our high-quality, affordable homes have open-concept floor plans with features like fireplaces, walk-in closets, and spa-like master baths. With off-street parking and large yards we can accommodate all of your needs. The Monroe Valley community by UMH P… Show More