Cornejo's Builders
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Cornejo's Builders
One of the biggest perks of owning a home is the joy of a private backyard where you can truly relax on your own. But the other important reason you live in a house instead of an apartment is all the extra space you have. Whether you want each family member to have their own room or you simply need more storage for your belongings, you can never have too much space, right?

Accessory dwelling units (or ADUs) are a quick and affordable way to increase your living space without needing to buy a new home, change neighborhoods, and start over somewhere else. Be it a nice apartment for your guests or in-laws or a garage studio that you can rent for some extra cash, a home addition is a worthwhile investment we're thrilled to help you with.

If your home is everything you've ever wanted but a little stuck in the past with outdated interiors, it's time to bring it up to date and make it look like all those pretty homes you saw online. Get a shiny new kitchen that leaves your guests in awe and upgrade your bathroom into a home oasis to soothe you every day.
Services
Alexsander Cornejo started working in the trades right out of high school, in 2009. He loved how he was able to create beautiful things with his own hands, so in 2019 Alex became licensed as a contractor. One year later, he founded Cornejos Builders. Born and raised in Los Angeles in a minority family, Alex wants to give back to the city he grew up in, so his job is more than a job to him.
Being a homeowner has incredible benefits, with extra space, privacy, and being closer to nature in your own backyard being just a few. But not all homes are created equal, and over time, you and your family's need can change. You may need extra room for your kids, visiting friends and family members, or a home office where you can work undisturbed.
If the state of your bathroom makes you feel embarrassed, you're not alone. Many homeowners in California would rather not have any guests over in fear they might need to use their outdated, worn-out bathroom. But it doesn't have to be that way. A bathroom that is not up to trends should not be a reason to put off friends and family, especially when getting a dream-like bathroom is both easy and affordable.
Kitchens as a women-only territory is a long-abandoned stereotype. Nowadays, the kitchen is the hub of the house and a go-to place for all family members. It's where adults have the first coffee of the day while kids get ready for school. In the evenings, it's where you share your day over a nice family dinner and plan for tomorrow.
Except most of the time, it doesn't happen that way. Workers come and go on the jobsite, there's no clear plan, you have no idea where your money went, and, in the end, there's always something left undone. You deserve a team that delivers the best in terms of workmanship while also keeping you updated with every step.
Reviews (10)
Tamara Slade
Tamara Slade
Nov 02, 2021
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Turns out he didn’t do what he said he would…I will be reporting to the Better Business Bureau…..Also considering legal action. When we started to ask questions, he ghosted us. I feel foolish seeing now that someone else had an almost identical experience.
If you choose to work with Alex Cornejo in the future, you’ll notice that he will be really friendly and talk about how other contractors will screw you but he won’t. It’s his way of getting you to let your guard down. He will make you sign electronically and won’t bring any copies with him, but promising he will send it later
Alondracastillo
Alondracastillo
Oct 24, 2021
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After browsing some time to find a contractor that met our standards, we finally had the pleasure to work with Cornejos Builders. From the beginning of the project to the end Alex and his team committed to being consistent with communication in every aspect and was extremely informative when we had any questions regarding the project. They turned our existing garage into a comfortable and livable space which is exactly what we wanted! The garage was converted into an ADU and was completely renovated from inside and out. Not only did it add value to our home but also brought much satisfaction to
Ronda Welker
Ronda Welker
Aug 16, 2021
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Positive: Punctuality, Quality, Responsiveness, Value
We couldn’t have asked for a better contractor to work with than Alex. We were needing our home remodeled in a very short window of time and Alex and his crew were always on schedule and in touch with us throughout the whole remodel. We would definitely use them again.
Services: Install tile work, Remodeling, General repairs & maintenance
Julie Bean
Julie Bean
Aug 04, 2021
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Amazing experience with Cornejos builders. From beginning to end- communication was clear as well as expectations. Work was 5 star and every member of the crew was exceptional. I would highly recommend Cornejos builders for ANY project or build. I will continue to use them and refer them for as along as they are available. Thank you for your beautiful work at such a competitive price!!!!
Alexsis Veal
Alexsis Veal
Jan 24, 2021
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I had the pleasure of working with Alex and his team for a massive home renovation and remodel. What started out as kitchen renovation, grew into two bath remodels, lighting upgrades, interior/exterior paint, a front courtyard, a tankless water heater installation, garage storage/attic creation, fireplace upgrade, and relocation of washer/dryer.
I grew the scope so large because of trust, communication, and watching Alex & his team work of the course of 2 months.
They took amazing care of my home, as if it were their own. Without hesitation, I would call Cornejos Builders. The pricing is fair
Jenna Laricchia
Jenna Laricchia
Jan 13, 2021
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Cornejos Builders Inc did excellent work for my kitchen remodel project. I really appreciate Alex efforts in fulfilling my goals, not to mention I had fun working with the team who gave me excellent quality service and ideas for my project. I am extremely satisfied; not to mention the reasonable timeline to finish the job with no hassles. I wish Cornejos Builders Inc great success! I highly recommend Cornejos Builders Inc to anyone who is looking to get construction work done.
Lanny Lam
Lanny Lam
Dec 08, 2020
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Cornejo's Builders did an amazing job remodeling our kitchen. Alexsander made this experience one of a kind, he was accessible and flexible throughout the process. This guy's knowledge truly guided us to perfect our dream kitchen. He has endless recommendations. The workers were efficient. We appreciate how he handled minor changes we had with professionalism. After getting work done by different General Contractors, Cornejo's Builders definitely sets the bar for the rest. Thank you, Alexsander.
Yahritza Orellana
Yahritza Orellana
Dec 03, 2020
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Had a truly great experience with Alex.Cornejos builders just completed converting my crawlspace/basement into an ADU (studio with new bathroom and kitchen).
What made the experience even more valuable was that the owner himself (Alex) came over for a consultation. Other companies just send their sales reps and most of the time they don’t even know anything. Feeling important is always a positive I can’t wait to work with them again. I highly recommend them. You can tell Alex is passionate about what he does, his clients, and his company.
Wendy Nuno
Wendy Nuno
Nov 18, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
It was a pleasure to have this company do my company remodel. From the initial call to the finished product, the company was professional and communication was excellent. They understood the needs of the project and executed it way past my expectations. I would highly recommend them for remodel
Service: Remodeling
Samantha Garcia
Samantha Garcia
Sep 26, 2020
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I want to begin by highlighting the prompt response I received when I inquired about their services.
One of the most important details for me is quick response.
Alexsander was quick to respond and made an availability that was not only quick but worked for me.
I’m a registered nurse who has two jobs and flexibility and time management is big for me.
I appreciated the understanding and willingness to work with my schedule.
The home inspection was very thorough. I am looking to tear up the laminate floor (disgusting) and thanks to Alexsander I found out that my old home (built in 1930s) lacks