Design Center & Showroom · 614 S Euclid St, Fullerton · Mon–Fri 9am–5pm

#1 ADU Contractor in Palos Verdes Estates
Custom Builds by Horizon Remodeling

Horizon Construction & Remodeling Inc. builds accessory dwelling units and home additions in Palos Verdes Estates, handling design coordination, budgeting, permitting through the City of Palos Verdes Estates Department of Building and Safety, and material selection across the full scope of work. Because the Palos Verdes Homes Association Art Jury has reviewed exterior changes since 1923, we factor that approval process in from the start, keeping it separate from the city permit track so nothing stalls your project. Specialty trade portions are performed by appropriately licensed subcontractors we coordinate directly.

Services We Offer

Room Additions​

Sunroom Additions​

Garages & Conversions​

Extensions​

How Our ADU Process Works

When it comes to enhancing your living space, room additions combined with Accessory Dwelling Unit (ADU) construction offer unparalleled versatility and value. These projects not only increase square footage but also provide additional living accommodations, whether for extended family, rental income, or work-from-home setups, making them a popular choice for homeowners seeking to maximize their property’s potential. According to California’s Department of Housing and Community Development, ADUs are a key solution to expanding housing options in urban and suburban neighborhoods.

If you are searching for an adu contractor in Palos Verdes Estates, understanding how state law and local review processes work together is one of the first things worth getting straight. California consolidated its ADU statutes into Government Code sections 66310 through 66342 in 2024, and those rules were updated again on January 1, 2026. Under the current framework, square footage is calculated as interior livable space, a local agency has 15 business days to determine whether your application is complete, and it must approve or deny within 60 days. That approval is ministerial, meaning no public hearing and no discretionary design review sits between your application and a decision.

For a property in Palos Verdes Estates, permit applications go through the City of Palos Verdes Estates Department of Building and Safety. That matters because Los Angeles County contains 88 incorporated cities, and the counter, the staff, and the local procedures change from one jurisdiction to the next even when the underlying state rules stay constant. A handout from a neighboring city or a general county resource may not reflect what applies to your specific parcel, which is why we check the current requirements directly before any drawings go out.

There is a second approval layer in Palos Verdes Estates that does not exist in most Southern California cities. The Palos Verdes Homes Association Art Jury has been in place since 1923, the same year Frederick Law Olmsted Jr. and Charles Cheney laid out the community as a master-planned development. The Art Jury must review and approve exterior work before construction begins, covering new structures, windows, doors, roofing, painting, landscaping, hardscape, grading, and tree removal. That review runs entirely separately from the city building permit process, so both tracks need to be open and moving.

The lot itself drives a great deal of what is possible. Homes here are typically detached single-family houses sitting on generous landscaped parcels, which gives real options for a detached ADU but also raises practical questions about setbacks, grading, utility routing, and equipment access. We walk the property and evaluate all of that before anything gets drawn, so the design reflects what the parcel can actually support rather than a generic plan revised later at additional cost.

State law sets a floor of protections that apply regardless of where a parcel sits. A local agency cannot cap an ADU below 850 square feet of interior livable space, or below 1,000 square feet for a unit with more than one bedroom. Side and rear setbacks cannot exceed four feet. Owner-occupancy cannot be required as a condition of building an ADU. Adding a unit cannot trigger a fire sprinkler retrofit of the main house. And there are no impact fees on a unit of 750 square feet or less. We coordinate the city permit process, the Art Jury submission, and all subcontracted specialty trade work so nothing moves out of sequence. Reach out to request a free estimate and we can talk through what your property and your goals look like from the start.

Other Remodeling Services We Offer

Why Choose Horizon Remodeling As Your ADU Contractor in Palos Verdes Estates ?

Horizon Construction and Remodeling builds ADUs in Palos Verdes Estates as a licensed Class B general building contractor, bonded, and in business since 2009. We handle the full scope under one roof: drawings, agency coordination, and construction. Because permits here move through two separate processes, the City of Palos Verdes Estates Department of Building and Safety and the Palos Verdes Homes Association Art Jury, we account for both before a single line goes on paper.

The Art Jury has governed exterior work since 1923, covering everything from roofing and windows to grading and landscaping. That review runs parallel to, not inside, the city permit process. We factor that timeline into the plan from the start so the design you submit to the Art Jury is the same one that goes to the building department.

Site conditions on the Peninsula shape every ADU differently. Grade, utility routing, and equipment access all get worked out before drawings are finalized, because a plan built around assumptions becomes a costly redesign. We serve properties throughout Palos Verdes Estates, including Malaga Cove, Lunada Bay, and Malaga Cove Plaza.

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ADU Contractor Services in Palos Verdes Estates

ADU Contractor in Palos Verdes Estates FAQ

What is an ADU and why should I build one?

An ADU is a secondary housing unit on your property, such as a backyard cottage, garage conversion, or in-law suite, and building one with Horizon Construction & Remodeling can create rental income, expand your living space, or give a family member an independent place to stay. On the generous landscaped lots common throughout Palos Verdes Estates, many properties have real potential for an ADU addition.

Pricing an ADU in Palos Verdes Estates depends on factors we cannot assess from a web page alone. The size and type of unit, whether you are converting existing space or building new detached construction, the site work your lot requires, and the finish level you choose all drive the final number in different directions. What we can tell you is where the money goes and what state law limits. A unit at or under 750 square feet of interior livable space is exempt from impact fees. School fees apply only above 500 square feet. Connection fees for a conversion or junior ADU are capped because the state does not classify those as a new residential use. Adding an ADU also cannot force a fire sprinkler retrofit on your existing home.

Anyone quoting a firm price before walking your property is guessing. Palos Verdes Estates has two separate approval tracks to navigate: permits through the City of Palos Verdes Estates Department of Building and Safety, and exterior review by the Palos Verdes Homes Association Art Jury, which has governed architectural standards here since 1923 and must sign off before work begins. We confirm utility conditions, setbacks, and both review requirements before we give you a fixed scope and price you can hold us to. One caution worth stating plainly: the CalHFA ADU grant program is closed, its funds fully allocated, and the agency itself warns that anyone claiming they can help you obtain an ADU grant is running a scam.

Yes, an ADU always requires a building permit, though approval is ministerial rather than discretionary, meaning there is no public hearing and no design review board to clear. In Palos Verdes Estates, the application goes to the City of Palos Verdes Estates Department of Building and Safety, and state law requires the agency to determine completeness within 15 business days and issue a decision within 60 days, shortened to 30 days when a pre-approved plan is used. Any denial must identify the specific deficiencies and how to correct them. Palos Verdes Estates adds a layer most cities do not: the Palos Verdes Homes Association Art Jury, in place since the community was laid out in 1923, must separately approve exterior work including new structures before construction begins. We prepare and submit the full permit package and shepherd it through every inspection, so that responsibility does not fall back on you.

Most ADU construction projects take between 4 to 8 months from design to completion, depending on scope and permit approvals. Horizon Remodeling prioritizes efficient timelines while maintaining quality workmanship.

We specialize in building detached ADUs, attached ADUs, garage conversions, backyard cottages, and junior ADUs (JADUs). Our team can help you choose the right ADU style for your property and goals.

Yes, if your property meets California zoning and space requirements. Horizon Remodeling will assess your site, secure the necessary permits, and build a fully detached ADU tailored to your preferences.

Yes, Horizon Remodeling is fully licensed, bonded, and insured to build ADUs throughout Orange County and surrounding areas. We have over 18 years of experience delivering high-quality ADU projects.

Horizon Construction & Remodeling Inc. manages every stage of ADU work in Palos Verdes Estates, from design and Art Jury review through city permitting and construction, so the finished unit meets building codes and fits within your budget.

Absolutely! Horizon Remodeling provides complete ADU design services, including architectural plans and 3D renderings. We also handle city permits and inspections, streamlining your project and reducing stress.

Reach out to Horizon Construction and Remodeling to schedule a free consultation, where we assess your property, talk through your goals, share design recommendations, and deliver a detailed estimate before guiding you through every phase of your ADU project.