New Construction in Fountain Valley
New construction in Fountain Valley almost always begins with a lot that already carries a structure on it. The city was largely built out through the 1960s and 1970s, and the typical home across neighborhoods like Green Valley, Tiburon, and the Mile Square Park area is a single-story or split-level ranch on a slab, with a closed-off galley or L-shaped kitchen. That layout remodels well in many cases, but when a house sits on a tired foundation or simply cannot grow without rebuilding most of its structure anyway, a tear-down rebuild is often the cleaner path. Horizon Construction and Remodeling manages new construction in Fountain Valley from the first lot review through design, engineering, permitting with the City of Fountain Valley Building Division, 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 Fountain Valley
How We Approach New Construction in Fountain Valley
Every project we take on for new construction in Fountain Valley begins with the lot itself, not a floor plan. Because Fountain Valley’s zoning map includes floodplain and seismic hazard overlay districts, a zoning review, boundary survey, soils report and structural engineering all have to happen before design moves forward. We work through the site plan, floor plans and elevations with you, and we prepare Title 24 energy documents alongside the drawings so the plan set goes into the City of Fountain Valley Building Division complete and ready for review. We handle the comment responses and line up utility coordination while plans are in review.
Once permits issue, demolition follows the required asbestos survey and air district notification. The build then runs in sequence: foundation, framing, rough trades, insulation, and finishes, inside and out. Most of Fountain Valley’s original tract homes sit on slab foundations, and replacing one means the foundation scope gets the same attention as everything above it. One project manager stays on the job from start to finish and is present for every inspection through final.
Read More →
Pulling a permit for new construction in Fountain Valley means working through the City of Fountain Valley Building Division, and the process involves more review desks than many homeowners expect. Planning checks setbacks, height limits, lot coverage, and floor area ratio against the zoning map. Building plan check goes through the structural drawings and energy compliance documents. The fire department reviews sprinkler systems and site access, and public works weighs in on grading, drainage, any street trenching, and the new driveway approach. Each of those reviews can generate comments that require a revised submittal before the permit counter stamps the plans approved.
An additional layer specific to Fountain Valley is the city zoning map, which carries floodplain and seismic hazard overlay districts on top of the base zoning. Those overlays can trigger requirements that go beyond what a standard residential plan check would otherwise need. Demolition of an existing structure adds its own steps before any of that starts. A separate demolition permit is required, and most building departments want the gas and electric service disconnected and the sewer lateral capped before that permit is released. The South Coast AQMD also requires an asbestos survey and advance notification for most demolitions, so that work needs to be scheduled early in the project timeline.
Utility sizing follows the new house, not the house being replaced. Required fire sprinklers frequently mean a larger water meter and a bigger service line than what fed the original structure. A home with more square footage, solar, and modern electrical loads may also require a new electrical service from the utility, and lead times on that work sit outside anyone’s direct control. The geotechnical report comes before foundation design and identifies expansive soils, old fill, groundwater depth, and any liquefaction or slope stability concerns. Fountain Valley’s slab-on-grade tract homes from the 1960s and 1970s sit in an area where soil conditions can vary, and the structural engineer uses the geotech findings to size footings, design post-tensioned slabs or grade beams, and lay out shear walls and hold-downs for California seismic requirements.
Energy compliance follows Title 24 standards, and new single-family homes are required to include solar PV. Some measures need field verification by a third-party HERS rater after installation. If the lot falls within a mapped Fire Hazard Severity Zone, wildland-urban interface construction standards apply: a Class A roof assembly, ember-resistant vents, ignition-resistant exterior cladding, and multipane windows with tempered glass. Once construction begins, inspections mark each stage of the work, from foundation forms and reinforcing steel through framing, rough mechanical and electrical, insulation, and the final walkthrough before the city issues a certificate of occupancy.
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 Fountain Valley
Horizon Construction and Remodeling has been building in Southern California since 2009 as a licensed and bonded Class B general building contractor. New construction is the largest undertaking a residential contractor handles, and we carry that responsibility seriously on every lot we work.
We operate design-build, meaning design, engineering coordination, permits, and construction all sit under one contract with a single project manager. That matters in Fountain Valley because permits go through the City of Fountain Valley Building Division, and the city’s zoning map layers floodplain and seismic hazard overlay districts on top of base zoning requirements. Having the same team answer plan check comments that originally drew the plans keeps those extra review rounds moving without delays or surprises. Title 24 energy requirements and CALGreen compliance are built into the drawings from the start, not added later as change orders.
Fountain Valley’s housing stock is largely single-story and split-level ranch homes built on slab foundations during the tract-development years of the 1960s and 1970s. A fully custom new build on the same lot gives you the layout, structure, and systems those older homes were never designed to provide. Call (714) 449-9035 to discuss what your Fountain Valley lot can support.
Schedule a Consultation
New Construction FAQ
Should I rebuild or remodel my house in Fountain Valley?
Whether a full rebuild or a whole-home remodel makes more sense depends on the house and the lot. In Fountain Valley, where most of the housing stock consists of single-story ranch tract homes built in the 1960s and 1970s on slab foundations, a new build often becomes the right call when the foundation has serious problems, when nearly every system needs replacement and most walls are moving anyway, or when zoning allows a larger or better-positioned structure than the existing one can support. If the framing and foundation are sound and you mainly want a new layout and updated finishes, a whole-home remodel is typically simpler to carry through the City of Fountain Valley Building Division permitting process. We walk the property with you and give you a straight comparison of both paths before you commit to anything.
What permits does a new home need?
Building permits for a new home in Fountain Valley run through the City of Fountain Valley Building Division, which coordinates review across planning, fire, and public works departments. A typical project requires a demolition permit for the existing structure, a building permit for the new construction, and separate grading, utility, and driveway permits from public works. Because Fountain Valley’s zoning map includes floodplain and seismic hazard overlay districts, those designations can add requirements on top of the base zone. We prepare all submittals and manage comments and resubmittals through every round of review.
How long does it take to build a new home?
Permitting alone can take as long as the build itself. Plan check with the City of Fountain Valley Building Division commonly runs several months, and that timeline stretches further when floodplain or seismic hazard overlay requirements add review layers on top of the base zone. Construction of a custom home often runs around a year, more for larger homes or sites needing heavy site work. Weather, utility scheduling, and inspection availability all affect the pace, so we work out a realistic schedule for your specific lot after the feasibility review.
What drives the cost of building a new home?
Budget for new construction in Fountain Valley is shaped by several layered variables, and no two lots price out the same way. Complexity drives cost first, so a second story, long structural spans, or a floor plan with many corners will push the number up faster than a straightforward single-story footprint. Foundation scope depends on soil conditions, and because the city zoning map includes floodplain and seismic hazard overlay districts, site work such as grading, demolition, retaining walls, and utility upgrades can shift significantly from one parcel to the next. Finish level throughout the home, along with any applicable fire-zone requirements, adds another layer. City impact fees and school fees tied to new square footage also vary by jurisdiction and district. Once we work through feasibility, we break the budget into these categories so you can see exactly where your decisions have the most effect.
Do new homes in California need solar and fire sprinklers?
Yes, new single-family homes in Fountain Valley must meet several overlapping code requirements, and we design to all of them from the start. The California Residential Code mandates automatic fire sprinklers in new one- and two-family homes, which affects both water service sizing and ceiling layout. Solar PV has been required on new single-family homes since the 2019 energy standards, and the 2025 Title 24 standards add further requirements for permits filed from January 1, 2026. CALGreen layers on rules covering water use, construction waste recycling, indoor air quality, and EV charging readiness.
Can you build an ADU along with the new house?
Yes, building an ADU alongside a new home is the most efficient approach. Sizing water, sewer, and electrical service for both units at the same time costs less and avoids rework later, and the site plan can be drawn from the start to give each unit a separate entry and outdoor space. State law permits ADUs on most single-family lots in Fountain Valley, though setbacks, height limits, and parking requirements still apply, and the city’s floodplain and seismic hazard overlay districts can add requirements on top of the base zoning rules. We can permit the ADU together with the main house or carry it as a separate project, and we build guest houses as well.
Explore More in Fountain Valley
Horizon is a licensed Class B general building contractor serving Fountain Valley and the surrounding Orange County communities.