Can I have multiple ADUs on one lot in Riverside?

Hello!

It's great that you're considering adding Accessory Dwelling Units (ADUs) to your property in Riverside, California. With the right approach, ADUs can provide additional living space for family or serve as rental units, potentially increasing your property's value and income. Let's dive into your questions and provide some clarity.

### **Can You Have Multiple ADUs on One Lot in Riverside?**

In Riverside, as in much of California, recent state laws such as SB-13, AB-68, and AB-881 have made it easier to build ADUs. These laws encourage increased housing density by easing restrictions on ADUs. Specifically, they allow for:

1. **One ADU and One JADU (Junior ADU):** You can generally have both an ADU and a Junior ADU on a single-family residential lot. A JADU is a unit converted from existing space within a home, and it shares bathroom facilities with the primary residence.

2. **Multiple ADUs on Multi-family Lots:** If your lot is zoned for multi-family use, you may be able to add multiple ADUs. The rules allow for converting non-livable spaces (e.g., storage rooms, garages) into ADUs in multi-family properties, provided they do not exceed 25% of the existing units.

Given your lot size of just under 10,000 square feet, you likely fall into the single-family category, where you could consider building both an ADU and a JADU.

### **Zoning and Lot Size Requirements**

1. **Zoning:** Check if your property complies with the local zoning ordinance. Riverside typically allows ADUs in residential zones, but always confirm with the city's Planning Department to ensure your lot's zoning allows for the planned structures.

2. **Lot Size:** While there's no minimum lot size requirement for ADUs mandated by state law, local regulations might impose restrictions. Given your lot size, you should have enough space, but detailed site planning will be crucial.

### **Parking Requirements and Permits**

- **Parking:** Under state law, generally, no additional parking is required for an ADU if it is located within half a mile of public transit, is part of the existing primary residence, or if the ADU is in an area where on-street parking permits are required but not offered to the occupant of the ADU.

- **Permits:** You'll need building permits for construction, which include site plans, floor plans, and potentially other studies (like environmental impact assessments, depending on your location and site specifics). Riverside typically has a streamlined process, thanks to state mandates.

### **Square Footage and Budget Considerations**

- **Size Limits:** State law allows ADUs up to 1,200 square feet, but local ordinances may impose stricter limits. Riverside often aligns with state guidelines, but verify with the city for any specific restrictions.

- **Budget:** With a budget of $200,000, you can potentially build two modest-sized ADUs. Costs in Riverside typically range from $100,000 to $250,000 per ADU, depending on size, materials, and finishes. Prefabricated ADUs might offer cost savings and shorter construction timelines.

### **Timelines and Process**

- **Timeline:** From initial planning to permits and construction, expect a timeline of 9-18 months. This timeline includes design, city approvals, and actual construction. Delays are common, so build in some flexibility.

### **Potential Pitfalls and Hidden Costs**

1. **Utility Connections:** Check for any fees associated with connecting new units to existing utilities. These can add unexpected costs.

2. **Impact Fees:** California law waives impact fees for ADUs under 750 square feet, but larger units may incur costs.

3. **Construction Delays:** Ensure you're working with a reliable contractor familiar with Riverside's ADU processes to minimize delays.

### **Next Steps**

1. **Consult with the Riverside Planning Department:** They can provide specific guidance on zoning, local ordinances, and any unique site considerations.

2. **Hire an Experienced ADU Consultant or Architect:** They can help navigate the design, permitting, and building process.

3. **Research Financing Options:** Look into local incentives or financing programs for ADU development.

4. **Join Local ADU Workshops or Seminars:** These can be invaluable for networking and gaining additional insights.

By carefully navigating these steps and leveraging local resources, you can successfully add ADUs to your property. Best of luck with your project, and feel free to reach out if you have more questions!

Warm regards,

[Your Name]
ADU Consultant in Riverside