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    Ultimate Green Construction

    4.7 (12 reviews)
    Closed 7:00 am - 5:00 pm

    Services - Ultimate Green Construction

    Deck construction

    Guest house or ADU construction

    Manufactured home construction

    Ultimate Green Construction Photos

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    Recommended Reviews - Ultimate Green Construction

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    Christina A.

    This is not ok. This company pretends to be respective of others, well they are not. They block others driveways and mailboxes. Then they sleep in front of others houses. Very disrespectful of neighbors. When they are approached about blocking driveways and or mailboxes they want to get angry and argue.

    Bracket Juan pointed out I needed.
    Brian C.

    Juan was the nicest guy and he knows everything about LA County ADU's! Juan was driving by my house and pointed out something my plumber did wrong and he pointed out that I needed special $62 beam brackets that my contractor missed. Juan not only gave me time saving advice but went to Home Depot and got me two buckets to install- he did it just to be nice. Wow, there are still honest, good people out there. Thanks Juan..

    My wife and I had been considering converting our garage into an ADU. We got several quotes and we felt that Ultimate Green gave us a reasonable quote so we proceeded with them. At first, we were scared and skeptical. But once we spoke to Carlos the owner, he made us feel at ease and comfortable with the entire process. The process was smooth. Even though there were issues throughout, Carlos was able to resolve and keep all commitments that were on contract. Specifics and a detailed contract is key and very important. Even the slightest detail is important. We are thankful for this company's professionalism and their commitment to making this project as smooth and hassle free as possible. Thank you Carlos for helping us and for converting our garage into our ADU! Carlos is great! He always answers any questions, calls, or concerns. We are very happy with the results! Nosotros con mi esposa buscábamos convertir nuestro garage a una unidad. Al principio teníamos mucho miedo y desconfianza. Pero esta compañía nos ayudó a poder tener confianza. Lo más importante es un contrato detallado. Ya que todo se basa en el contrato. De lo contrario, Carlos (el dueño) es muy profesional y atento. El siempre nos tuvo informados y cualquier cosa, el respondió. Agradezco mucho a Carlos por todo lo que el hizo por nosotros! Muy agradecidos! El proyecto fue un excito y aún con la pandemia, Carlos estuvo siempre al tanto y ayudándonos. Todo fue un excito. Gracias Carlos y Los trabajadores de Ultimate Green Construction. Fue un placer poder trabajar con ustedes!

    before and after of a kitchen remodel
    Araceli G.

    We were notified by the City that our guest unit was not in compliance and had to be rebuilt to code. As you may well imagine, as a home owner, this was not something that you want to hear. Between the costs for permits, dealing with the city office and getting quotes from different construction companies, it was a big nightmare, but as soon as we spoke with Carlos from Ultimate Green Construction, he made us feel at ease. He basically took care of everything, he dealt with the City and their inspectors, the project was completed in a timely manner and the place looks great!!! Carlos and his team worked non stop and during this COVID times, that's not easy to do. Carlos was very attentive to our requests, he takes pride in his work and is always there when you need him, he really cares about his clients. It's not easy finding a company that is budget friendly, performs great work, follows through on their commitments and has great customer service, so when you find one, you want to keep them. I plan on using Ultimate Green Construction on more of my projects for this very reason. Many thanks to Carlos and his team of professionals for a job well done.

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    Review Highlights - Ultimate Green Construction

    Carlos and his team worked non stop and during this COVID times, that's not easy to do.

    Mentioned in 2 reviews

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    Jp General Building - Kitchen Cabinets

    Jp General Building

    (9 reviews)

    Pacoima

    I highly recommend JP General Builders. They did an exceptional job building our ADU in Burbank…read more Through the tough permit process with the city, Jesus Pena and his amazing staff helped move the process along, from beginning to end. Cesar, our project manager was terrific, along with Enrique, Emilio and the entire team. They made sure the highest quality of work was completed and on time. Cesar recommend the a change to our plans and drawings, calling for even higher ceilings, throughout the house. The end project turned out phenomenal !! The entire team was very professional, clean, on time and just amazing to work with. I will be using JP General Builders in our next project.

    We hired JP Contractors to start the process to rebuild our house after a fire, he took four weeks…read moreto come to give the estimate, and we started with the plans. After several months of waiting for the city to approve the plans, and after we paid, the plans are WRONG and INCOMPLETE! He charged $8,000 for the plans and did not let his architect talk to us at all. During the process, Cathleen was rude and unprofessional, at one point, when I called to ask for an update, she said she was busy and calling her did not speed up the process, I said I needed updates, and she got flustered and yelled at me "this is how we do things!". I told her not to raise her voice, she told me "You need to relax." I asked to speak to Jesus and she said he was very busy and she was the person to talk to. Now we have to spend more money to re-do the plans and have wasted many months with this company. Cathleen told me she was doing us a "favor" by working with us, I should have fired them on the spot, I told her it is not a favor if you are getting paid for it. The owner is non-responsive to his rude employees, feels he can do the work when he has time, and then the work is WRONG. Incompetency at its best. After many months, and payment on wrong plans, Cathleen sent us an email stating they were very busy and could not do the work for us..... as if we would even consider continuing to work with them. They are unprofessional and shady, he wanted to charge $30,000 for asbestos work that an asbestos specialist charged $20,000 for. This is the worst experience we have had with contractors and we have had a lot of work done over the years. Cathleen yells at people and thinks it is ok because in her mind she is doing us a favor rather than the other way around. Finally, when the plans were finally approved by the city, Cathleen sent us an email telling us we had to pick them up ourselves - breaking their contract. Do not bother with this company, they are unresponsive, rude, and unprofessional, especially Cathleen.

    Pearl Remodeling - Modern kitchen island and European style cabinets - Woodland Hills

    Pearl Remodeling

    (401 reviews)

    Lake Balboa

    We had a great experience with this Alon and his teams! They worked on our driveway, front walkway,…read morefoundation, and backyard drainage, and everything turned out beautifully. The pavers and driveway are honestly stunning - our neighbors have given us so many compliments already! The team was easy to work with, showed up when they said they would, and explained the process clearly along the way. Communicating over Whatsapp with them was great. We went back and forth proposing solutions to the drainage issues and where to put the stairs - they really listened to all our ideas and improved them. Their proposed amazing drainage solutions are effective and work great. The quality of their work and planning was top tier. They were respectful of our property and left the place clean when the job was done. It's not easy to find contractors you trust, but these guys absolutely delivered. We're extremely happy with the results and would recommend them without hesitation.

    I set up an appointment with somebody who answered the phone to make an appointment and get a quote…read moreabout getting an ADU built behind my home. Later, "Jacob" called me back later and expressed condescending concern that I had ONLY a $150K budget. I told him that's where the budget starts, not ends and asked him what the true cost was. He responded back that it's between $300 and $450 a square foot. So I told him, "Okay, if my calculations are correct, if I go with $350 a square foot so I'm not at the rock bottom, and I multiply that by 600 sq ft for a small ADU, that is roughly $210K for a price starting point with your company?" "Well no it's not exactly... "Then what did I miss?" "Well there's all sorts of other things blah blah blah..." Overall the tone was condescending and he made it clear that I didn't know what I was talking about, when in fact I have 15 years experience as a home designer that designs and budgets facelifts on houses that are about to go up for sale. I have dealt with contractors for many, many years. Eventually I got fed up with his tone and told him to cancel the appointment. As my grandma always said, you'll catch more flies with honey than hot sauce!

    Ultimate Green Construction - contractors - Updated July 2026

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