Sprawl Design in Chula Vista's Eastlake area provides accessory-dwelling-unit design services covering garage conversions, attached additions, and detached new-construction units across San Diego County from a base at 1893 Lorient Place. Junior ADU and garage-conversion projects start under 500 square feet and require the same rough-in coordination with licensed trades—supply lines, drain-waste-vent routing, and fixture placement—that firms such as Solid Plumbing & Drains Inc execute on residential builds throughout the 91913 ZIP code. Detached ADU plans begin at one bedroom and one bathroom with a minimum 450-square-foot footprint, scaling up for rental-income configurations that comply with California SB 1211 and Chula Vista's Development Services Department permit requirements. Eight years of ADU-specific design work informs the firm's understanding of setback, height, and lot-coverage calculations that vary between western Chula Vista's established parcels and the graded pads typical of Otay Ranch and Eastlake, electrical service upgrades for which run through contractors such as Cano Electric. Attached-unit designs integrate a 200-amp subpanel tap, independent HVAC loop, and dedicated water-heater circuit into the host structure's existing load center without triggering a full main-panel upgrade.