ADU Builder Redondo Beach: Backyard Cottages, Garage Conversions and JADUs

Add flexible living space to your Redondo Beach property with a professionally planned ADU. From detached backyard homes and garage conversions to guest suites, KN Remodeling manages design coordination, construction, remodeling, and local permitting from start to finish.

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adu builder redondo beach

The ADU Builder Redondo Beach Homeowners Trust

From the Esplanade and the harbor to North Redondo and the Hollywood Riviera, Redondo Beach homes come with very different lots and rules. Whether you picture a backyard cottage a block from the beach or a garage conversion near the marina, KN Remodeling is the ADU builder Redondo Beach homeowners can count on to plan it right.

We are a licensed, insured, family-owned design-build team. One crew handles design, permits and construction, with a free in-home consultation, honest pricing, a schedule we keep and a written warranty on every ADU.

Services From Your ADU Builder Redondo Beach Team

Detached Backyard Cottages

Standalone homes sized for Redondo's mix of beach-area and inland lots.

Garage Conversions and JADUs

Turn a garage or unused room into a rental or family suite.

Multifamily ADUs

ADUs added to duplexes and small apartment lots where city rules allow.

Coastal Design and Permits

Plans prepared for city review and Local Coastal Program standards.

Turnkey Design and Build

Plans, engineering, permits and construction handled by one team.

Coastal-Grade Materials

Corrosion-resistant hardware, quality windows and finishes built for salt air.

Redondo Beach ADU Rules to Plan Around

Redondo Beach is its own city with local ADU rules in Municipal Code Section 10-5.1506. A local ADU builder Redondo Beach owners hire should check these details for your lot:

  • Coastal Zone: The harbor, pier, Esplanade and much of South Redondo are in the Coastal Zone, where Local Coastal Program standards apply.
  • Separation from the main house: Detached ADUs generally need about 5 feet from the main house unless the walls are fire-rated.
  • Garage conversions and parking: Converting a garage may require replacement parking in some cases, so we check this early.
  • Multifamily lots: Duplex and apartment lots can often add ADUs, with limits on how many detached units fit.
  • Sloped and view lots: Hillside lots near the Esplanade and Hollywood Riviera may need extra engineering and review time.
Modern coastal ADU living space built by KN Remodeling for a Redondo Beach home

How Our ADU Builder Redondo Beach Process Works

Here is what to expect when you partner with us on your Redondo Beach ADU:

1

Free In-Home Consultation

We walk your lot, confirm coastal status and talk through your goals.

2

Design and 3D Plans

Floor plans and renderings sized to Redondo's height and setback standards.

3

Selections

Choose coastal-grade finishes, flooring and fixtures within your budget.

4

City and Coastal Permits

We handle the city ADU permit and coastal requirements where they apply.

5

Construction

Our crew builds safely and cleanly, with regular updates.

6

Final Walkthrough

We review every detail with you before handing over the keys.

ADU Builder Redondo Beach Costs

Coastal lots, slopes and finishes all shape the budget in Redondo Beach. Typical ranges:

  • Garage conversion or JADU: roughly $100,000 to $175,000
  • Detached ADU, 400 to 800 sq ft: roughly $210,000 to $335,000
  • Larger or hillside ADU: roughly $325,000 to $450,000 or more

Every ADU builder Redondo Beach estimate we write is itemized after a site visit. Learn more about the cost to build an ADU in Los Angeles and ADU rental requirements, or visit the City of Redondo Beach website.

ADU Builder Redondo Beach FAQs

Why hire a local ADU builder Redondo Beach homeowners recommend?

Redondo Beach has its own ADU code, a large Coastal Zone and a mix of flat and hillside lots. A local builder knows which rules apply and designs to them from the start.

Is my Redondo Beach property in the Coastal Zone?

Much of the harbor, pier, Esplanade and South Redondo area is. Coastal lots follow Local Coastal Program standards, which can add review time. We check your parcel first.

Do I need replacement parking if I convert my garage?

Sometimes. Redondo Beach may require replacement parking for some garage conversions, while transit-area lots are often exempt. We confirm what applies to you.

Can I add an ADU to my duplex or apartment?

Often, yes. Many multifamily lots can add ADUs, though the city limits how many detached units are allowed.

How much does an ADU cost in Redondo Beach?

Garage conversions often start around $100,000, and detached ADUs usually run about $210,000 to $335,000 depending on size and finishes.

How long does a Redondo Beach ADU take?

Most projects take about 4 to 7 months for design and permits, then 4 to 7 months to build. Coastal or hillside lots can take longer.

Ready to Build Your ADU in Redondo Beach?

Book a free in-home consultation with the ADU builder Redondo Beach families trust and see what your lot can support.

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Who We Are

KN Remodeling is a certified and qualified renovation company that provides renovation services to all people of Los Angeles, Woodland Hills, Simi valley, Thousand oaks, and its environs. As a full time company, we offer a wide range of services and products tailored to make your home beautiful. From replacement of kitchen counter-tops to bathroom flooring, KN Remodeling, does it all. We take pride in what we do and we are always glad to put a smile on your face each time you ask for our services. That is why we have a showroom with certified designers and kitchen remodelers who guide you in deciding what’s best for your bathroom or kitchen. We make our customers feel at home by giving them a wide range of remodeling designs to choose from and we always renovate your home with your needs and wants in mind.