Just ADUs in Chula Vista's Otay Ranch corridor designs and builds accessory dwelling units for homeowners across the 91915 ZIP code, handling projects from initial site assessment through final certificate of occupancy. Kitchen and bathroom finishes inside new ADU builds require trade coordination with tile installers experienced in wet-area waterproofing, a scope that connects to the porcelain and natural-stone work performed by Quality Design Tile & Stone on residential projects throughout Chula Vista. California's ADU legislation under Government Code 65852.2 eliminates owner-occupancy requirements and caps impact fees for units under 750 square feet, creating a regulatory framework that Just ADUs navigates from plan check through inspection sign-off at the Chula Vista Development Services Department. Build types span detached backyard cottages, attached additions, garage conversions, and junior ADUs, each requiring independent utility connections, Title 24 energy modeling, and CalGreen compliance documentation. Completed ADU projects in the Eastlake Chula Vista area increase assessed property value and rental-income potential, a dynamic reflected in the multi-family developments managed through The District at Eastlake's residential community model. Highest-complexity builds involve two-story detached ADUs with engineered floor systems, fire-rated one-hour assemblies at property-line setbacks under five feet, and dedicated 200-amp electrical subpanels serving separate kitchen, HVAC, and laundry circuits.