ABC Architects maintains a San Diego practice on Ohio Street in Normal Heights, serving residential and commercial clients from the 92116 ZIP. The firm's Ohio Street address sits within the residential grid between Adams Avenue and El Cajon Blvd, placing it at the center of the mid-century and Craftsman housing stock that defines the Normal Heights building environment. Architectural projects in this corridor often involve structural modifications to homes originally built in the 1920s through 1950s, and the firm coordinates foundation and framing work with general contractors at PBH Builders, where construction execution aligns with the permitted architectural drawings. Normal Heights straddles the mesa above Mission Valley, and the neighborhood's lot configurations — narrow frontages with deep setbacks — present zoning constraints that require architectural solutions calibrated to San Diego's Development Services Department review process. The area's proximity to Adams Avenue and its walkable commercial district makes accessory dwelling unit design and lot maximization a recurring scope for architects operating in this ZIP code. Site plans integrating hardscape and planted zones coordinate with landscape designers at Sage Outdoor Designs, where grading and drainage plans must satisfy the city's stormwater management requirements before permit issuance. The firm operates with wheelchair-accessible parking at the Ohio Street office.