ADU Tips, Costs & Regulations in Los Angeles

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.

It’s a new year, which means a new round of ADU laws hitting California. By now, this pattern should feel familiar. Since 2017, California has passed new ADU legislation nearly every year to make it easier, faster, and more affordable for homeowners to build. And there’s a reason for that: ADUs work. After designing and building over 100 ADUs, I’ve seen firsthand how life‑changing these units can be for homeowners, renters, and families trying to stay in place while creating

Balboa Highlands Balboa Highlands is the first post-World War II neighborhood in the San Fernando Valley to achieve historic district status. Their zip code is 91344. It is located inside of Granada Hills in the San Fernando Valley. Balboa Highlands was constructed from 1962-64 by developer Joseph Eichler, who built thousands of homes in Northern California. It is one of only three Eichler tracts in Southern California, and the only Eichler development in Los Angeles County.