New Construction in Coto De Caza
In Coto De Caza, most new construction starts with a lot that already has a house standing on it. Because the community was master-planned under an Orange County approval in 1983 and built out between 1986 and 2003, the typical home is a two-story tract or semi-custom house from the late 1980s through the early 2000s, often with a kitchen open to a family room and an island at the center. That layout remodels well, but when a home sits on a tired foundation, runs too small, or cannot support a second story without rebuilding most of it anyway, a tear-down rebuild is usually the cleaner path. Horizon Construction and Remodeling manages new construction in Coto De Caza from the first lot review through design, engineering, permits, demolition, and final inspection, all under one contract.
Services We Offer
Engineering & Title 24
Permits & Plan Check
New Build ADUs
Our New Construction Process in Coto De Caza
New construction in Coto De Caza starts well before any foundation is poured, because the land itself sets the terms. We open with a zoning review, a boundary and topographic survey, and a soils report so we know exactly what the site can carry and what the foundation will require. Design follows from there, working through a site plan, floor plans, and elevations with you until the layout reflects how your household actually lives. Structural engineering and Title 24 energy documents are prepared alongside the drawings, so the plan set arrives at OC Development Services complete and ready for review.
Because Coto De Caza is unincorporated county territory, permits run through the county rather than a city building department, and every project also moves through the CZ Master Association for architectural approval before crews can be scheduled through the gate. While plans are in county review, we handle comment responses, line up utility coordination, and arrange the asbestos survey and air district notification required before demolition. Once permits issue, the build runs in sequence from foundation through framing, rough trades, insulation, and finishes, with one project manager on site for every inspection through final.
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Because Coto de Caza is unincorporated county territory, permits for new construction go through OC Development Services rather than a city building department. That distinction matters in practice. The review process touches multiple desks: planning checks setbacks, height, lot coverage, and floor area against zoning requirements; building plan check reviews the structural and energy documents; the fire department evaluates sprinklers and site access; and public works covers grading, drainage, any trenching near the street, and a new driveway approach. On top of the county process, the CZ Master Association requires its own architectural approval, and gate access for crews has to be coordinated so work can actually move forward. Demolition carries its own separate permit, and before that permit is issued, most building departments require the gas and electric service to be disconnected and the sewer lateral capped. The South Coast AQMD also requires an asbestos survey and advance notification before most demolitions begin.
Utility sizing follows the new house, not whatever was there before. Fire sprinklers, which are commonly required on new single-family construction, often call for a larger water meter and service line. A larger home with solar and updated electrical loads may also need a new service connection from the utility, and that process carries its own lead time that should be factored into the schedule early.
A geotechnical report is completed before foundation design begins. It identifies expansive clay, old fill, groundwater depth, and slope stability concerns. In state-mapped liquefaction or landslide zones, a site-specific investigation is required. The structural engineer uses the report findings to size footings, design a post-tensioned slab or grade beams where conditions call for it, and lay out shear walls, hold-downs, and beams sized to California seismic requirements. On sloped lots, the same report drives retaining wall design and the grading plan, and the soils engineer typically signs off on footing excavations before any concrete is placed.
Energy compliance follows 2025 Title 24 standards, which apply to permits filed on or after January 1, 2026. New single-family homes must include solar PV, and certain measures require field verification by a third-party HERS rater. If the lot falls within a CAL FIRE Fire Hazard Severity Zone, construction must meet wildland-urban interface standards: a Class A roof assembly, ember-resistant vents, ignition-resistant exterior materials, and multipane windows with tempered glass. Inspections are required at each stage, from foundation forms and reinforcing steel through framing, rough-ins, and insulation, up to the final sign-off.
Other Remodeling Services We Offer
A kitchen remodel touches more trades than any other room in the house: layout, cabinetry, plumbing, electrical, ventilation and finishes. Horizon designs and builds kitchen remodels under one contract, from the measured layout to the final inspection.
Whether you envision a classic Southern California pool or a fully customized backyard oasis, Horizon Construction & Remodeling delivers the highest level of quality and service. Our comprehensive pool design and remodeling services cover everything from layout and decking to built-in BBQs and final touches like landscaping. Let Horizon be your trusted partner in transforming your backyard into the perfect outdoor retreat.
If you are planning a complete bathroom remodel or simply want to change your tub, shower, update your plumbing fixtures, or make the space more efficient, our team at Horizon will help you through the process with expert advice, professional craftsmanship, and affordable options with beautiful results. Learn more about our bathroom remodeling services.
Transform your space with our expert interior work services. We offer a comprehensive range of solutions — from space planning and custom design to the selection of high-quality finishes and materials. Our team of experienced professionals works closely with you to create a space that’s both functional and stylish, tailored to your unique needs, goals, and budget. Whether you’re updating a single room or overhauling your entire interior, we bring precision, creativity, and craftsmanship to every project.
At Horizon, we believe your home is more than just four walls — it’s where life happens. It’s the place you relax, gather with family and friends, and create lasting memories. That’s why we offer a full range of exterior work services designed to elevate your outdoor living space. From patios and hardscaping to custom decks and exterior renovations, we help turn your vision into a dream yard that complements your lifestyle and enhances curb appeal.
At Horizon Construction & Remodeling, our expert team includes a dedicated design and planning division that works hand-in-hand with licensed architects and structural engineers. We take care of everything — from detailed plans and blueprints to securing city permits — so you don’t have to deal with delays or red tape. Our goal is to streamline the process and provide a fully approved set of documents that aligns with both your vision and city regulations, saving you time and stress.
Why Choose Horizon Remodeling For New Construction in Coto De Caza
Horizon Construction and Remodeling is a licensed Class B general building contractor, bonded, and in business since 2009. New construction is the most complex work a residential contractor takes on, and you can verify our license and bond directly through the CSLB before you commit to anything.
We work design-build, meaning design, engineering coordination, permits, and construction all sit under one contract with one project manager. Because Coto de Caza is unincorporated county territory, permits run through OC Development Services rather than a city building department, and association architectural approval from the CZ Master Association runs alongside that process. We handle both tracks together, so plan check comments and HOA submittals move in parallel rather than stalling each other. CALGreen, fire sprinkler, and solar requirements go into the design from the start, not later as change orders.
The homes throughout Grand Coto Estates, Los Ranchos Estates, and the other neighborhoods were built as tract and semi-custom construction between the late 1980s and early 2000s. A new build here needs to meet current county standards while fitting that established architectural character. Call (714) 449-9035 and we will assess your lot and walk you through what the site can realistically support.
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New Construction FAQ
Should I rebuild or remodel my house in Coto De Caza?
The right answer depends on your house and your lot. A rebuild tends to make sense when the foundation has serious problems, when nearly every system needs replacing and most walls are moving anyway, when you want a second story the existing structure cannot carry, or when your lot allows a larger or better-placed footprint. In Coto de Caza, where most homes are two-story tract or semi-custom builds from the late 1980s through the early 2000s, permits run through OC Development Services since the community sits in unincorporated county territory, and the CZ Master Association requires architectural approval alongside that county permit. If the structure is sound and you mainly want a new layout and updated finishes, a whole-home remodel is usually simpler to permit. We walk the property with you and give a straight comparison before you commit to either path.
What permits does a new home need?
New construction in Coto de Caza moves through OC Development Services rather than a city building department, since the community sits in unincorporated Orange County territory. A typical project requires a demolition permit for the existing structure, a building permit for the new home, and separate grading, utility, and driveway permits from public works, with planning, fire, and public works each signing off. Lots in a fire hazard severity zone receive additional fire-code review. We prepare every submittal and handle comments and resubmittals throughout the process.
How long does it take to build a new home?
New construction timelines in Coto de Caza vary by scope, and we give you a realistic schedule for your specific lot after the feasibility review rather than quoting a generic number. Design and permitting can take as long as the build itself, with plan check commonly running several months through OC Development Services, which handles permits for this unincorporated county territory. Because the community is guard-gated, CZ Master Association architectural approval and arranging gate access for crews run alongside the county permit process. Construction of a custom home often runs around a year, longer for larger homes, sloped lots, or heavy site work, and weather, utility company scheduling, and inspection availability all affect the final timeline.
What drives the cost of building a new home?
Cost depends on size and complexity first, with second stories, long spans, and irregular footprints all pushing the number up. Foundation type is driven by soil conditions and slope, and site work such as demolition, grading, retaining walls, and utility upgrades can shift significantly from one lot to the next across a community like Coto de Caza, where the terrain varies by neighborhood, from Los Ranchos Estates to Grand Coto Estates. Fire-zone requirements add cost, as does the finish level you choose throughout the home. Because Coto de Caza is unincorporated county territory, impact fees and school fees on new square footage run through Orange County rather than a city, so the numbers depend on the county schedule and the applicable school district. Once we complete a feasibility review, we break the budget into these categories so you can see exactly where your decisions carry the most weight.
Do new homes in California need solar and fire sprinklers?
Yes, new single-family homes in Coto de Caza must meet California Residential Code requirements for automatic fire sprinklers, which affects water service sizing and how ceilings are laid out. Solar PV has been required since the 2019 energy standards, and the 2025 Title 24 standards build on that for permits filed from January 1, 2026. Because Coto de Caza is unincorporated county territory, those permits go through OC Development Services. CALGreen adds requirements covering water use, construction waste recycling, indoor air quality, and EV charging readiness. We design to all of it from the start.
Can you build an ADU along with the new house?
Yes, and starting from the ground up is the best time to plan for an ADU or guest house. Water, sewer, and electrical service can be sized for both units at once, and the site plan can give each one its own entry and outdoor space from the start. State law allows ADUs on most single-family lots, though setbacks, height, and parking rules still apply. Because Coto de Caza is unincorporated county territory, permits run through OC Development Services, and any new construction also requires architectural approval from the CZ Master Association before crews can even come through the gate. We can permit the ADU alongside the main house or handle it as a separate project.
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Horizon is a licensed Class B general building contractor serving Coto De Caza and the surrounding Orange County communities.