Kol & Co. is a licensed design-build contractor with 15+ years of experience specializing in high-end home remodeling, kitchen & bathroom renovations, and custom homes in Irvine, California.
Licensed • Insured • Bonded • 15+ Years Experience • Design-Build Experts • Serving Southern California
Whether you’re planning a full home remodel, kitchen remodel, bathroom renovation, home addition, ADU, or custom home in Irvine, choosing the right contractor is one of the most important decisions you’ll make. At Kol & Co., we provide complete design-build services, managing everything from the initial design and planning to permits, construction, and the final walkthrough—all under one experienced team.
As a licensed, insured, and bonded design-build contractor with over 15 years of experience, we’ve helped homeowners throughout Irvine improve the way they live by creating homes that are more functional, better organized, and built with lasting quality. Instead of coordinating architects, designers, and contractors separately, you’ll have one dedicated team guiding your project from start to finish with clear communication and attention to detail.
Whether you’re remodeling an older home in Woodbridge, opening up the living space in Turtle Rock, adding an ADU for extended family or rental income, or building a custom home in one of Irvine’s premier neighborhoods, every project is thoughtfully planned to fit your home, your goals, and your budget.
Schedule your consultation today and let’s discuss your project, explore your options, and create a home you’ll enjoy for years to come.
If you’re planning a remodel, it’s natural to ask:
“Which improvements will add the most value?”
While every home is different, some renovations consistently provide the greatest return by improving both functionality and buyer appeal.
Popular home improvements include:
The best remodel isn’t always the most expensive—it’s the one that improves how you live while adding lasting value to your home.
A full home remodel gives you the opportunity to completely reimagine how your home looks, feels, and functions without the cost and inconvenience of moving.
Our full home remodeling services in Irvine may include:
Whether you’re looking for a modern kitchen, transitional design, luxury chef’s kitchen, or open-concept entertaining space, we’ll help create a layout that improves both workflow and storage.
Our kitchen remodeling services include:
Whether you’re updating a guest bathroom or creating a luxury primary suite, we combine quality materials with thoughtful design to create spaces you’ll enjoy for years.
Our bathroom remodeling services in Irvine include:
Whether you’re creating space for family members, generating rental income, or building a private guest house, an ADU adds flexibility and long-term value to your property.
Our ADU services include:
Our design-build team works closely with homeowners throughout Irvine to create one-of-a-kind residences that balance architecture, craftsmanship, comfort, and efficiency.
Our custom home services include:
The cost of a remodeling project depends on your home’s size, project scope, material selections, and whether structural changes or permits are required. Below are typical investment ranges for homeowners in Irvine.
Project | Typical Cost | Estimated Timeline |
Full Home Remodeling | $200,000–$500,000+ | 4–8 Months |
Kitchen Remodeling | $40,000–$70,000+ | 6–10 Weeks |
Bathroom Remodeling | $25,000–$40,000+ | 3–5 Weeks |
ADU Construction | $200,000–$500,000+ | ~12 Months |
Custom Home Construction | $400–$600+/Sq. Ft. | ~18 Months |
Every project is unique. Final pricing depends on your home’s size, design, structural requirements, permits, and finish selections. Schedule a free consultation for a personalized estimate.
We start by learning about your goals, budget, lifestyle, and vision for your home. After evaluating your property, we'll recommend the best remodeling or building solution for your needs.
Our team develops your floor plans and helps you choose cabinetry, countertops, flooring, tile, lighting, fixtures, paint colors, and other finishes that match your style and budget.
We handle architectural coordination, engineering, permit applications, HOA approvals (when required), and construction scheduling to help keep your project on track before work begins.
Our licensed team manages every phase of construction, including demolition, framing, plumbing, electrical, flooring, cabinetry, painting, finish work, and regular project updates.
Before we consider your project complete, we'll perform a detailed walkthrough with you to ensure every detail meets our quality standards and your expectations.
In many cases, yes.
While cosmetic updates like painting, replacing flooring, or installing cabinets in the same location may not require permits, projects involving structural changes, plumbing, electrical systems, mechanical work, or additions generally require approval from the City of Irvine.
Projects that commonly require permits include:
Permits help ensure your project complies with California building codes, safety standards, and local regulations.
As part of our design-build process, Kol & Co. coordinates permit preparation, plan submissions, inspections, and communication with the city so you don’t have to manage the process yourself.
We proudly serve homeowners throughout Irvine, including Woodbridge, Turtle Rock, Turtle Ridge, Quail Hill, Shady Canyon, Orchard Hills, Northwood, Great Park, University Park, Portola Springs, Cypress Village, Stonegate, Westpark, Woodbury, and the Irvine Spectrum area.
Whether you’re planning a kitchen remodel, bathroom renovation, full home remodel, home addition, ADU, or custom home construction, we’re here to help you move forward with confidence.
Our design-build team will guide you through every step—from planning and design to permits, construction, and the final walkthrough—so you can enjoy a smoother, more organized remodeling experience.
Schedule your consultation today and discover how our design-build team can help bring your vision to life.
A full home remodeling project in Irvine typically takes 4–8 months, depending on the size of the home, design complexity, permit approvals, material availability, and the scope of construction. Before work begins, we’ll provide a detailed project timeline so you know what to expect at every stage.
Yes, most remodeling projects in Irvine require permits through the city, especially for structural, electrical, plumbing, or major layout changes. If your home is part of an HOA, additional approvals may also be required before construction can begin.
Yes. We take care of all Irvine city permits, HOA submissions, and code compliance so your project moves forward smoothly and without unnecessary delays. Our team is familiar with local regulations, zoning requirements, and community design standards.
Absolutely. Whether you have an existing home or an empty lot in Irvine, we’ll design and build a space tailored to your site, style, and goals—from concept to completion.
It depends on the condition of your existing home, your budget, and your long-term goals. If the home’s structure is sound, remodeling is often the most practical solution. If extensive structural changes are required or you’re looking for a completely custom floor plan, building a new home may be the better long-term investment.
Look for a contractor who is licensed, insured, experienced, transparent with pricing, and has a proven portfolio of completed projects. Choosing a design-build contractor also helps simplify communication by keeping design, planning, permitting, and construction under one team.
It’s best to begin planning several months before you’d like construction to start. This allows time for design, engineering, permits, HOA approvals (if required), material selections, and scheduling.
A design-build contractor manages every phase of your project under one contract. This improves communication, reduces delays, helps control costs, and creates a smoother remodeling experience compared to coordinating separate designers, architects, and contractors.
