ADU Costs California: A Complete 2025 Pricing Guide
ADU costs California is one of the first questions homeowners ask before starting a backyard guest house, garage conversion, or in-law suite project. Building an accessory dwelling unit (ADU), a secondary living space added to a single-family lot, can transform a property’s value and functionality. However, prices swing dramatically based on unit type, size, finishes, and location within Orange County, Los Angeles County, or Riverside
Renting an ADU in California: Complete Owner’s Guide
Renting an ADU is quickly becoming one of the most popular ways Southern California homeowners turn unused space into steady income. An ADU, or accessory dwelling unit, is a smaller secondary home built on the same lot as a primary residence, such as a detached guest house, garage conversion, or attached addition. Because California’s housing shortage keeps pushing
ADU Feasibility Study: What Southern CA Homeowners Need
An ADU feasibility study is the practical first step for any Southern California homeowner who wants to know, before spending money on architectural drawings, whether their lot can legally and physically support an accessory dwelling unit — a secondary living space built on a single-family property. For homeowners across Orange County, Los Angeles County, and Riverside County, this early evaluation answers the questions
ADU Conversion Guide for Southern California Homes
An ADU conversion turns an existing structure, like a garage, basement, or attached room, into a fully functional accessory dwelling unit without the cost of ground-up construction. For homeowners across Orange County, Los Angeles County, and Riverside County, this approach offers one of the fastest and most affordable ways to add rentable living space, house family members, or boost long-term property value. In this guide, we will walk through what an ADU
ADU Rental Laws in California: What Homeowners Must Know
ADU rental laws determine whether Southern California homeowners can legally rent out an accessory dwelling unit (ADU) — a smaller, self-contained home built on the same lot as a primary residence — and what conditions apply once tenants move in. Because California has passed several rounds of legislation since 2017, however, the rules can feel like a moving target for many property






