It is one of the three condominium tracts in Northpark Square; the only tract in this community built by William Lyon homes. There are traditional style 112 attached units. These multi-level homes have four basic floor plans with an alternative version for each making total 8-floor plans. They feature 2 to 3 bedrooms and bathrooms with direct to unit 2 car garages. The size starts from 1211 and goes to 1826 square feet. Positioning and availability of patio, deck, fireplace and balcony differ per plan. The streets inside Monticello are lined with green belts namely Taquitz, Leucadia, Cosentino, Cabazon, and Idyllwild.