ADU Builders in Long Beach - Design, Permits and Build Under One Contract

Fast, Reliable ADU Builders Across Long Beach

Most Long Beach homeowners come to us after opening a wall and finding something they didn’t expect. Knob-and-tube wiring. A rotted sill plate. A slab poured too thin in 1947. We handle that differently than most ADU builders in Long Beach: inspection first, allowances written into the contract, and any surprise priced and approved in writing before we touch it. If you’re weighing a detached ADU, garage conversion, or JADU on your lot, call (254) 602-5618 and we’ll walk you through what your specific home is likely to turn up. No guessing. No door-price changes. Just a written number and a plan.

Call (254) 602-5618

Why Lodgewick ADU Builders Is Long Beach’s Preferred ADU Builders Company

Lodgewick ADU Builders operates under The Kingswell Guarantee, and in Long Beach that guarantee means a written price before work begins, a real arrival window, a clean job site, and a written guarantee on every project. Russ Delmar leads our Long Beach work, and he’s the person homeowners talk to when a quote needs to move because the house had other plans. That happens often here. Long Beach’s residential core is dominated by 1910s – 1940s California bungalows, and those homes hide things. We plan for exactly that.

Our ADU Builders team works with homeowners in Belmont Shore, Naples Island, Bluff Park, Rose Park, Wrigley, California Heights, and Alamitos Beach. We know which streets trigger coastal review and which don’t. We know which alleys are dedicated and which aren’t. And we know that a quote on a 1938 garage in Rose Park is going to move more than a quote on a 1990s garage in Lakewood. That’s not a failing. It’s just what the building is.

Every project includes the 365-Day Done Right Promise. If the work isn’t right, we come back and make it right. That commitment is in writing, delivered before the first nail is driven. A live person answers our calls 24/7, including weekends. If you call at 9 p.m. on a Tuesday with a question about your Long Beach Cover service, you get a person. Not a voicemail loop.

Common ADU Builders Problems We See in Long Beach Homes

• Coastal Development Permits in the Coastal Zone. Belmont Shore, Naples Island, Bluff Park, and Alamitos Beach sit inside the California Coastal Zone. That triggers a Coastal Development Permit on top of the standard ADU building permit, adding months and real cost to a project. Nothing like it exists in Lakewood or Signal Hill.
• Undersized garage slabs from the pre-war build-out. Long Beach garages from the 1910s – 1940s typically run 200 – 240 sq ft with slabs never engineered for habitable load. A foundation upgrade is usually a when, not an if. Inspectors flag it, often after framing starts.
• Marine-layer corrosion on coastal projects. Salt-laden air and persistent summer humidity accelerate rust on standard galvanized connectors, fasteners, and HVAC equipment. Spec the wrong hardware on a Belmont Shore detached ADU and you’re doing callbacks within a few years.
• Fixed-price quotes that don’t account for what’s inside the walls. Older Long Beach homes routinely hide knob-and-tube wiring, failed waterproofing, and rotted framing. A quote without written allowances for those conditions becomes a fight the first time a surprise appears. We write allowances into the contract so the conversation is already settled.

Detached ADU in Long Beach

A detached ADU in Long Beach means a separate living structure on your lot, typically built from a rear-alley garage conversion or as new construction in the back yard. On pre-war gridded lots in Rose Park, Wrigley, and California Heights, the rear alley is the key. A detached garage-conversion ADU can take its own postal address off the alley, giving it independent access, real privacy, and better rental appeal. But that only works if the alley’s dedication status is confirmed with the city’s Public Works department before the new entry door is framed. Skip that call and the city can stop work mid-project. We make the call early, every time.

Alley-access detached ADU

This is the classic Long Beach build: a detached single-car garage on a rear-alley lot converted to a studio or one-bedroom ADU. The address off the alley is a genuine differentiator for rental listings. We confirm dedication status before any framing, so the new entry door never triggers a stop-work order.

Back-yard new construction

For lots without a garage or with a garage too far gone to convert, new construction is the cleaner path. Long Beach’s rear-alley grid means the new structure can often take its own address too, assuming the alley is public. We handle the permit path, foundation design, and coastal-zone review if the lot falls inside it.

JADU in Long Beach

A JADU in Long Beach is a junior accessory dwelling unit built inside the existing footprint of a single-family home, usually from a converted bedroom, attached garage, or enclosed porch. State law caps a JADU at 500 square feet and allows a shared or separate bath. It’s the most affordable path to a rentable unit because there’s no new foundation and no separate utility connection. On Long Beach’s R-2 lots, many homes were already entitled for a second unit before the 2020 reforms, which changes how permits are processed and what fees apply. A JADU often becomes the fast track.

Interior garage or porch conversion

Attached garages and enclosed porches in California Heights and Wrigley convert well to JADUs because they’re already inside the building envelope. The work is mostly interior: wall assemblies, egress, a small kitchenette, and a bath. Foundation work is usually minimal compared to a detached ADU.

Coastal-zone JADU

In Belmont Shore and Alamitos Beach, a JADU can avoid some of the coastal review complications that a detached ADU faces, because the work stays inside the existing building envelope. But it still needs a Coastal Development Permit if the property sits in the Coastal Zone. We handle that paperwork directly, and we price it into the contract before work starts.

Trusted Brands We Service in Long Beach

We work directly with established prefab and panelized ADU manufacturers including Abodu, Cover, and Dvele, and we install James Hardie siding and trim on custom builds. For Long Beach coastal projects, we spec materials with the marine layer in mind. Rust-resistant fasteners, sealed connectors, and HVAC equipment rated for salt-laden air are standard on our Belmont Shore and Alamitos Beach work, not an upsell. If a manufacturer’s standard spec doesn’t match what a Long Beach coastal lot requires, we flag it before the order is placed. Our Long Beach customers get fast turnaround on material questions because we’re not routing answers through a national call center.

Pricing for ADU Builders in Long Beach, CA

We Also Serve Cities Near Long Beach

While this page is focused on ADU Builders in Long Beach, our crews regularly work in Signal Hill, Carson, Seal Beach, and Lakewood. Each city has its own permit quirks, and we know which ones share Long Beach’s coastal-zone rules and which don’t. If your lot sits just over the border, the Kingswell Guarantee still applies, written price first, real arrival window, written guarantee on every project.

FAQs About ADU Builders in Long Beach