Cost of accessory dwelling unit

Looking for cost of accessory dwelling unit in Long Beach, CA? Call AccessoryDwellingUnit Solutions for a contact a provider — no obligation. Licensed adu builders serve Long Beach and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU involves several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.

About this service

The total price for an ADU depends on several moving parts, including the square footage, your foundation type, and local labor rates. Choosing high-end finishes or complex site prep will naturally increase the budget, while standard layouts help keep things manageable. Exact pricing confirmed free on the call.

Frequently asked in Long Beach

What are the disadvantages of ADUs in Long Beach?

Potential downsides include initial construction expenses and navigating Long Beach's specific building codes and zoning laws. You'll also need to factor in ongoing maintenance. However, the benefits of increased rental income and property value are often significant for Long Beach homeowners.

How much does an ADU cost in Long Beach?

What are the rules for ADUs in Long Beach?

Long Beach has detailed ADU regulations covering aspects like minimum lot size, setbacks, height limits, and parking requirements. It's vital to be aware of these rules before you start. We help you connect with local specialists who understand these specific Long Beach ordinances.

Is an ADU allowed in Long Beach?

Yes, accessory dwelling units are permitted in Long Beach, provided they comply with the city's established ADU ordinances. These regulations are designed to encourage ADU development while maintaining neighborhood character. We can help you understand how your property fits these guidelines.

What's involved in building an ADU in Long Beach?

Also serving nearby: Carson · Compton · Westminster · Norwalk · Huntington Beach

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More on this: HUD ADU resources — ADU policy and financing research.

Service area details

449,468residents

8,870per sq mile

8ZIP codes served

Serving all of Long Beach — population 449,468; about 8,870 residents per square mile across 50.7 sq mi. ZIP codes covered include 90801, 90802, 90803, 90804, 90805, 90806, 90807, 90808.

Neighborhoods served in Long Beach: Belmont Shore, Downtown Long Beach, Bixby Knolls, Lakewood Village, Alamitos Beach — and every surrounding area.