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

#1 ADU Contractor in Indio
Custom Builds by Horizon Remodeling

Horizon Construction & Remodeling Inc. builds accessory dwelling units and home additions for homeowners across Indio, handling design coordination, permitting through the City of Indio Building and Safety Division, material selection, and budget planning from the first meeting through the final walkthrough. Indio’s housing stock ranges from older downtown blocks built around the railroad-era core to the single-story stucco tract homes that went up through the 1980s and 2000s, and we work within the constraints of both. Every project is managed so it meets applicable city codes and the goals you set from the start.

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 planning to add a unit to your property, working with an experienced adu contractor in Indio means understanding both state law and the local approval process before a single permit application goes in. California consolidated its ADU statutes into Government Code sections 66310 through 66342 in 2024, and the rules shifted again on January 1, 2026. Square footage is now calculated as interior livable space. Once you submit, the City of Indio Building and Safety Division within the Community Development Department has 15 business days to determine whether your application is complete and 60 days to approve or deny it.

That approval is ministerial, meaning no public hearing and no discretionary design review. The city reviews your plans against objective standards and issues a decision. For homeowners accustomed to neighbor notifications or design board meetings, that is a meaningful difference. We walk through the submittal checklist with you early so the application the city receives is complete the first time.

Riverside County runs a pre-approved plan program called the Permit Ready ADU set, which offers four free plans ranging from a 499 square foot studio to a 909 square foot two-bedroom. Three of those plans fall under the 750 square foot threshold below which state impact fees do not apply. The program excludes parcels in flood hazard or environmental constraint areas, so identifying which map your lot sits on is the first practical question on any Indio project.

The housing stock here shapes what is physically possible. Indio grew in waves from the 1980s through the 2000s, and the typical home is a single-story stucco tract house on a slab with a tile roof. Older blocks near the original downtown core tend to have tighter lot configurations and longer utility runs to a potential detached unit, while newer tracts generally offer more predictable placement options.

Coachella Valley heat is a serious design factor at every stage. With recorded temperatures reaching 125 degrees, insulation values, duct routing, window specifications and HVAC capacity all carry real consequence for how comfortable and efficient your new unit will be. Specialty trade portions, including mechanical and electrical work, are performed by appropriately licensed subcontractors we coordinate as part of the broader project.

Other Remodeling Services We Offer

Why Choose Horizon Remodeling As Your ADU Contractor in Indio ?

Horizon Construction and Remodeling is a licensed Class B general building contractor, bonded, and has been doing design-build work since 2009. When we take on an ADU project in Indio, one company handles the drawings, moves them through the City of Indio Building and Safety Division, and builds the unit. That single-point process cuts down on the back-and-forth that slows projects down.

Indio’s desert climate shapes every ADU plan we produce. Coachella Valley heat is not abstract here, and insulation values, window specs, duct routing, and HVAC capacity all get real attention before a permit package goes in. We also check whether a parcel carries flood hazard or environmental constraints, because those conditions affect which approval path is available and how we write the plans.

A few protections state law provides are worth knowing: there is no owner-occupancy requirement for an ADU, no sprinkler retrofit triggered on the main house, and no impact fees on a unit at or under 750 square feet of interior livable space. We work throughout Indio, including Downtown Indio, Indian Palms Country Club, Terra Lago, and Sun City Shadow Hills.

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ADU Contractor Services in Indio

ADU Contractor in Indio FAQ

What is an ADU and why should I build one?

An accessory dwelling unit is a secondary home built on your existing property, taking the form of a backyard cottage, a converted garage, or an in-law suite. Building an ADU in Indio lets you add rental income, house extended family, or simply gain more livable square footage, and the slab foundations and single-story layouts common across tracts built between the 1980s and 2000s often make the conversion process straightforward.

What an ADU Actually Costs in Indio

There is no honest flat number we can put on a page, because the price depends on facts we have to see in person: the size and type of unit you want, whether you are converting existing space or building a new detached structure, how much site work your lot requires, and the finish level you choose. What state law does make clear is where certain costs are capped. Any ADU with 750 square feet or less of interior livable space is exempt from impact fees. School fees do not apply below 500 square feet. Connection fees for a junior ADU or a conversion are limited because the state does not classify those as a new residential use, and adding an ADU cannot trigger a fire sprinkler retrofit on your existing home.

Indio’s permit applications go through the City of Indio Building and Safety Division within the Community Development Department, and the review timeline affects your overall schedule. Before any scope or price is set, we walk your property, confirm setbacks, and verify the utility situation. A contractor quoting a firm number before that visit is guessing. One point worth stating plainly: the CalHFA ADU grant program is closed, its funding fully allocated, and the agency itself warns that anyone offering to help you obtain an ADU grant is running a scam.

Yes, an ADU in Indio always requires a building permit, though approval is ministerial rather than discretionary, meaning there is no hearing and no design review board to face. Applications go to the City of Indio Building and Safety Division within the Community Development Department, which has 15 business days under state law to determine completeness and 60 days to approve or deny. A pre-approved plan can shorten that review to 30 days. We prepare and submit the full package and stay with the project through every inspection, so the permitting process never falls 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. handles ADU work in Indio from design through the final inspection, coordinating permitting with the City of Indio Building and Safety Division and managing every trade so the finished unit meets code and fits 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.

Ready to move forward? Contact Horizon Construction & Remodeling Inc. to schedule a free consultation, where we assess your property, talk through your goals, and deliver a detailed estimate, then guide you through every phase of your Indio ADU project.