Home Builder In Downey, CA

Enjoy a beautiful and solid new home with the help of our expert home building services here in Downey, CA.
Home Builder In Downey, CA

For homeowners in Downey looking for unmatched home building services, we have been the go-to team of professionals for years. Instead of facing delays and budget overruns, you get timely delivery and cost efficiency, ensuring you move into your dream home faster.

Our extensive experience in Downey guarantees not just any home, but a masterpiece of construction. By choosing us, you avoid the pitfalls of amateur work and enjoy a smooth, stress-free build process, leading to the perfect living space you’ve always desired.

Professional engineer architect worker with protective helmet and blueprints paper at house building construction site
Alexsander Cornejo owner of Cornejo Builders California

Alexsander Cornejo – Owner of Cornejo Builders

Hi, I’m Alexsander Cornejo, the owner and founder of Cornejo’s Builders. I started working in the remodeling and construction industry right out of high school, in 2009.

With Cornejo’s Builders, the goal is to give back to the city I grew up in. I want to send a message of hope and inspiration: any dream can be achieved, no matter where you come from, if you put in enough work and dedication.

Industry-Leading Benefits

Our unmatched services and benefits have revolutionized the home building industry, setting new quality standards. See for yourself the advantages of teaming up with us.

Check out the benefits we offer:

Your Home Could Be as Solid & Beautiful as These

Your own home transformation can look just as impressive as the homes in these photos. They’re a fantastic source of inspiration for your project. Take a look at the gallery below to get a sense of the quality of our services:

60+ projects done

100+ of families helped

1:1 approach to your project

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Alexsander Cornejo owner of Cornejo Builders California
Unsure about choosing us? Request a quote to get to know us better! Let’s discuss your project. Or, call us at (562) 319-3178 now!

What Your Neighbors In Downey Say About Us

We’re truly grateful for the glowing testimonials from our customers. Their satisfaction fuels our commitment to excellence. Check out the beautiful things people have to say about us:


Marco Urbana


Really good and professional company. I love the fact that they are bilingual several companies came our to give a estimate but they were by far the most qualified and did a great job.

Andrei Hienadz


I had a fantastic experience with Cornejos Builders! They exceeded my expectations in every way. From the initial consultation to the final walkthrough, their professionalism and craftsmanship shone through.

Home Building Costs In Downey

A new custom home can range from $175,000 with utilities connected to $450,000. To provide an accurate estimate, we need to understand your vision. 

Following an on-site visit, we’ll determine the specifics of your project, offering a final precise pricing and timeline estimate.

Factors Which Can Influence The Costs Of Home Building In Downey

Many factors can influence the overall cost of building your dream home in Downey. Identifying these elements is key to understanding the full scope of your project.

On Time & Within Budget

We are professional builders who provide accurate timelines and budget estimates, ensuring no surprises along the way.

We commit to respecting the initial budget we set together. Our team works diligently to avoid unnecessary expenses, ensuring your financial plan remains intact throughout the project. We value your trust and strive to deliver quality within the agreed budget.

Finishing your project before the deadline is our priority. We understand the importance of moving into your new home promptly, so we coordinate efficiently to ensure early or on-time completion. Your satisfaction is our top goal.

A 3-Step Process For Your Dream Home

Building your new home with us is a breeze. Our straightforward three-step process ensures you have a stress-free experience, from initial planning to enjoying your brand-new home. 

We handle the complexities, you delight in the results.



Share your vision with us, and we’ll map out the plan together.



Our experts take over, turning your dream home into reality.



Open the door to your new home, ready for a lifetime of memories.

Home Builder In Downey - FAQs

It depends on the condition of the home being remodeled. The upside to building a new one is that everything can be made to match your needs, style, and preferences, and you’re not held back by anything.
A new construction of around 1,200 sq. ft. home takes about 4-5 months. We have a system in place where quality work is performed in a timely manner, so everything will turn out great, otherwise we’re not calling it a day until you love your new home.

You’ll enjoy a talented and reliable in-house team of installers, all committed to delivering the highest-quality product. 

Alexsander, the owner of Cornejo’s Builders, will also be on site frequently, but your own project manager will be there every day, making sure your new home comes out just as you envisioned.

A new custom home starts anywhere from $175,000 on the low end with utilities connected and $450,000 on the high-end. We can’t ballpark an estimate without knowing your vision. 

 After the on-site visit, we’ll know exactly what goes into your project and you’ll get a precise pricing and timeline estimate that will be final.

Yes! Cornejo’s Builders Inc. handles all the paperwork for you. So the planning, permitting, design, and construction will be taken care of for you. All that’s left to do for you is sit back, relax, and enjoy seeing your new home being built.

Yes! You’ll get the materials warranty for everything that we buy and bring on site, warranty that goes for between 2 to over 50 years on certain materials. 

On top of that, you’ll enjoy our 1- year workmanship warranty that covers anything we install and work on.

When you’ll call us to inquire about your project, we’ll talk over the phone for a while so I can discover some of your needs and what do you want to achieve with your new home. 

During the phone call, we’ll schedule an on-site visit to further assess the project and scope of work. 

After the visit, you’ll get a contract with a proposal for our partnership. After we agree on everything, the work on your new home generally begins in 3 to 10 days.

Because we don’t like to limit our clients and we want them to build their new homes wherever they please, we don’t buy the lots. 

We can build your home anywhere in Downey, San Marino, Rancho Palos Verdes, Cypress, Newport Beach, Whittier, Alhambra, and more of Southern California.

Enjoy Your Beautiful New Home

Alexsander Cornejo owner of Cornejo Builders California

Alexsander Cornejos

Investing in our home building service is the smart decision you’ll wish you made sooner. 

Reach out to us at (562) 319-3178 for the best advice. Let our team guide your project, turning your dream into a reality smoothly and efficiently.

Contact us today!

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Downey, California, a vibrant city located in the heart of Los Angeles County, stands as a beacon of cultural and economic prosperity. Renowned for its historical landmarks, such as the oldest surviving McDonald’s and the Downey Space Center, the city offers a unique blend of suburban charm and metropolitan convenience. Downey serves as a dynamic hub for families and businesses alike, making it an ideal location for new home construction.