ADU Tips, Costs & Regulations in Los Angeles

Can you build an ADU in an HPOZ? Absolutely, but it comes with additional design requirements and historic preservation review. In this case study, we show how we transformed a historic Los Angeles duplex into a four-unit property by adding two detached ADUs while meeting the strict standards of the Carthay Square HPOZ.

Can California's SB9 law turn a single-family property into a high-performing investment? In this Los Angeles case study, we break down how one property was transformed from a single home into a four-unit income-producing asset generating $15,300 per month in rental income. Learn how the SB9 Duplex Provision, ADU development, and strategic site planning helped maximize cash flow, increase property value, and create a projected 20% cash-on-cash return.