| Table of Contents |
| 1. Why Convert Your Garage into an ADU in Long Beach? |
1.1 Top Benefits |
2. ADU Garage Conversion Regulations in Long Beach |
| 3. Cost of Garage ADU Conversions in Long Beach |
| 4. Steps to Convert a Garage into an ADU in Long Beach |
| 5. Design Tips for a Modern Garage ADU |
| 6. FAQ |
Converting your garage into an Accessory Dwelling Unit (ADU) in Long Beach is one of the smartest ways to boost your property value, generate passive income, and contribute to California’s housing solution. Whether you’re a homeowner looking for a guest house, a rental unit, or a private home office, a garage ADU can meet your goals without the cost of building from the ground up.
In this comprehensive guide, we’ll explore every step of the process, from permits and zoning laws to construction costs, design ideas, and more.
Why Convert Your Garage into an ADU in Long Beach?
Long Beach, CA, is one of the most progressive cities when it comes to ADU regulations. With the state of California easing restrictions in recent years, converting a garage into an ADU has become a highly accessible and profitable investment.
Top Benefits:
Rental income: Earn $1,800–$3,000/month depending on size and location.
Increased property value: Adds 20–30% to your home’s resale value.
Affordable housing: Provide living space for aging parents or adult children.
Home office or creative studio: Separate space with privacy.
Faster permitting in Long Beach due to streamlined city processes.
ADU Garage Conversion Regulations in Long Beach (2025)
1. Zoning Requirements
ADUs are allowed in R-1, R-2, R-3, R-4, and PD (Planned Development) zones.
Your garage must be legally permitted and not in a flood or hazard zone.
2. Setbacks & Size
Minimum setbacks: 4 feet from rear and side property lines.
Maximum size: Up to 1,200 sq ft depending on lot size and zoning.
Junior ADUs (JADUs): Max 500 sq ft, typically built within the existing structure.
3. Parking Requirements
No replacement parking required for garage conversions.
AB 68 and SB 13 have relaxed most parking mandates.
4. Utility Connections
New utility meters may be needed (electric, water, sewer).
Impact fees apply only if the ADU is over 750 sq ft.
Cost of Garage ADU Conversions in Long Beach (2025)
| Type | Cost Estimate | Details |
|---|---|---|
| Basic Conversion | $80,000–$120,000 | Includes kitchen, bathroom, insulation |
| Mid-range | $130,000–$180,000 | High-end finishes, HVAC, custom windows |
| Detached Garage | $150,000–$200,000+ | Additional plumbing and electrical work |
Steps to Convert a Garage into an ADU in Long Beach
Feasibility Study – Hire a professional to check zoning, size, and lot suitability.
Design and Plans – Work with an architect or ADU specialist for floorplans and layouts.
Permit Application – Submit plans to the Long Beach Development Services.
Construction – Hire licensed ADU builders in Long Beach.
Final Inspection & Approval – After construction, the city inspects the ADU for code compliance.
Design Tips for a Modern Garage ADU
Use vaulted ceilings to increase visual space.
Add skylights or large windows for natural light.
Install pocket doors to save space.
Use multi-functional furniture to maximize square footage.
Eco-friendly appliances and solar panels qualify for tax credits.
