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Ivan Alberto Rivera Rivas

Carpentry Framing - Install, Carpentry Framing - Repair, Interior Trim and Decorative Moldings Installation,

About us

Trillium General Contractor is a licensed and certified company that has experience necessary to offer a high quality service at a competitive price. Trillium General Contractor provides high quality interior remodeling, renovations, and repairs. We remodel every room in the house! Our broad range of interior remodeling services include these most popular requests: Bathroom remodeling Basement finishing Kitchen makeovers Molding installations Wall modifications Ceiling work Floor installations

Business highlights

Se habla espanol

Services we offer

ADU, Additions and Remodels, Bathroom Remodeling, Kitchen Makeovers

Amenities

Free Estimates

Yes

Reviews
4.570 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
81%
4
9%
3
1%
2
3%
1
6%

Filter reviews by service

Showing 1-25 of 70 reviews
Laura R.
May 2025
5.0
Exterior Trim Installation and Replacement
$30,000
This was a great experience, so much better than contractors we brought on in the past. We had several projects to do, and Ivan and his group were able to handle them all, plus as they worked we found several unexpected disasters under previous work and they came up with solutions for everything. Ivan always let us know when they would be working and what the expected time frames were. Ivan was also on our premises frequently monitoring the work of his crew and checking in with us on the progress. We will definitely call him first for future work. The description of the work in the drop down menu doesn’t let us go into the scope of what we did - we replaced siding, added insulation, enclosed our patio, extended fencing, rebuilt decaying stairs, replaced our deck foundation and more.

Lili B.
May 2024
5.0
Kitchen - Remodel
Yes, I recommend this pro
We hired Ivan for our kitchen remodel because his estimate was the most reasonable and because he was cautious when we described what we wanted, wanting to be sure we wouldn’t be in violation of any codes. We appreciated knowing up front what might be problematic. He was super helpful with choosing cabinets and accompanied us to numerous places until we found exactly what we wanted at a price we were willing to pay. The work was beautifully done, including some difficult countertop fabrication by Pedro. Ivan handled the occasional inevitable glitches respectfully and always gave us what we wanted. We’ve been living with our new kitchen for several months now, and we’re very happy with it.

Elena T.
Apr 2024
5.0
Kitchen - Remodel
Yes, I recommend this pro
I am very satisfied with Ivan Riveras remodeling. He remodeled my entire kitchen and bathroom. He was very professional and everything was done on time. He always kept a neat work area and the finished work was outstanding. I would hire him for future projects and recommend him.

Joanna A.
Apr 2024
5.0
Addition to Existing Structure Building Service
Yes, I recommend this pro
Ivan Rivera was very professional and completed the additional room on time, as agreed. I am sure I will hire him back and definitely recommend him to my friends and family.

Angelina M.
Oct 2020
5.0
Bathroom - Remodel
Yes, I recommend this pro
I used Ivan before through Homeadvisor and was pleased with his work. I had the new bathroom Project this year, and I knew I Would use him again. Fabulous job and Quality work, beautiful bathroom.

Aditya P.
Oct 2020
5.0
Bathroom - Remodel
Yes, I recommend this pro
I first found Ivan through HomeAdvisor and decided to let him do remodel for my two bathrooms (rip out old cabinets and countertops and sinks and install brand new equipment that we furnished). He did a great job, quality of work was really good. Ivan never asked for any money from me until the job was 75% complete, and even then he only asked for a small portion of the total amount. I was very happy with his customer relationship skills and the workers that work for him. He stands behind his work. I was happy enough that I hired Ivan again to do a small kitchen remodel (careful demo of kitchen countertops, removal of dishwasher, install new owner furnished quartz countertop and dishwasher). He is still working on the project as I type this review, but I know the job will be done properly. I highly recommend Ivan for any residential addition or remodel project of any kind.

Estrella M.
Oct 2020
5.0
Carpentry Framing - Install
Yes, I recommend this pro
This company has the best prices in town! they have great work ethics, efficiency, and they get the work done in a timely manner.

Shuxin Y.
Oct 2020
5.0
Addition to Existing Structure Building Service
Yes, I recommend this pro
I hired Ivan Revera as a GC to build an ADU and addition from last October.. Also he helped me to do the bathroom remodeling. It was a tough year to build a home since the COVID-19. I appreciated Ivanâ s management during the hard time. He was responsible and knowledgeable for my project. He gave recommendations to prepare following projects. I am very happy to choose him to finish my projects.

Winton C.
Oct 2020
4.5
Deck or Porch
Yes, I recommend this pro
Really cool looking deck

Lily K.
Sep 2020
0.5
Bathroom - Remodel
Beware of Ivan Rivera Trillium*** Ivans work is dishonest and I 100% regret working with him. HDs LEGAL team is getting involved in a court case to make Ivan refund the wrong kitchen installation of the HD design. The washer machine was supposed to be flushed behind the cabinets in the original design, yet now it is protruding 5 inches outside the cabinets. The oven protrudes 6 inches outside of the cabinets and it turns on because it gets hits by people walking in hallway. Save your money. Go elsewhere please.
Response from Ivan Alberto Rivera Rivas
"I am contesting this review because the statements on this review are just not true. I have sent pictures and text messages to the team to prove otherwise. I hope they have a competent and skilled team that can review my pictures and docs so I can take this off of my profile. Ms. Lilly Kue still owes my company $4000.00 that she is refusing to pay. we have done extra free work for her up to three days labor with two journeymen that she does not want to acknowledge. I have SFDBI rough and final signed permit pictures in regard to this job. I also have a final doc signed by her acknowledging the job delivered to her satisfied."

Patricia S.
Jul 2020
5.0
Kitchen - Remodel
Yes, I recommend this pro
I really love the work and the timeline. The moment I contact Ivan, he came that afternoon and we began the following day. His team was friendly, helpful, and respected my schedule. I would definitely recommend this team.

Peter M.
Jun 2020
5.0
Yes, I recommend this pro
Complicated repairs to kitchen, dining area, bathroom, vanity, hallway and closets which depended on unwritten details and trust. Ivan and crew came through!

Shelby A.
Mar 2020
4.0
Kitchen - Remodel
Yes, I recommend this pro
Ivan is great on communication & responds quickly. His team is reliable and thorough. My project was a renovation following a flood and Ivan was helpful and dependable throughout the project. Work done on time and within budget.

Jeanne Z.
Jan 2020
5.0
Kitchen - Remodel
Yes, I recommend this pro
Alberto is honest and thorough. HIs crew gets along well and finished the work on time and within budget.

Teddy M.
Dec 2019
5.0
Deck or Porch
Yes, I recommend this pro
Fantastic work for a great price! Ivan and his team are very professional and easy to communicate with. If you are looking for a contractor with fair prices and quality work look no further! Extremely happy with the finished product!!

Connie M.
Nov 2019
4.0
Deck or Porch
Yes, I recommend this pro
I had a very good experience with Ivan Rivera Rivas and his crew in rebuilding my deck. Ivan gave me a good price and his crew did a very good job in demoing and building the new deck within the time frame he said they would. They did quality work and cleaned up after themselves. I recommend Ivan and his crew, but as with any contractor, just make sure to make it clear everything you expect from the job from the beginning. This was not Ivan's fault, I didn't tell detail everything I expected with the work. Once I did, he was very accommodating and did the additional work after we agreed on the additional cost and did so in a timely fashion.

Will L.
Aug 2019
5.0
Yes, I recommend this pro
I got a new exterior on an old home in SF. I wanted a contractor that would not upsell me on everything, but would stay on track with my budget. I feel like I got that. They did important work that needed to be done. You might not get the smallest details, but you'll save money and get quality work.

Tracy H.
Aug 2019
1.0
Bathroom - Remodel
Because our experience with Ivan was so incredibly horrible, I purposely waited 7 mos to post this review to ensure that it did not come across like a rant...yes, we were/are that angry and disappointed. I encourage anyone reading this to take the ALL of the negative reviews very seriously. We honestly felt like we did our due diligence before hiring Ivan by researching his reviews here, Yelp and on his website. As you will find also, there are a handful of negative reviews. Considering, we confronted Ivan on these prior to hiring him. He said those people were liars. He will tell you we are liars too, I assure you we are not...I wish I could post pictures and texts here, because I documented the whole terrible experience. But, considering Ivan had more positive reviews than negative we decided to hire him and we sure regret it! Ivan assigned two workers to our project and that is who we primarily dealt with. These guys were pleasant enough in the beginning, but after the mistakes started and we had to ask for corrections things changed, they because nasty. To give few examples, the water lines for the pedestal sink were 14 inches apart...this took 3 redos to fix. The cut for the medicine cabinet, 4 redos to get it right. The soap shelf in the shower, 2 redos to get it right. Electrical switch behind the cabinet. And this all transpired despite having a taped outline of the floor, pictures and rough layout with dimension posted on the wall, Oh my gosh, I could go on and on, but I think you get the point. Ivan was virtually missing action for the entire project. We would have to request that he stop by and give his workers direction. This was a constant battle with him and ultimately what lead to numerous mistakes that required them to redo their work. It also took Ivan numerous attempts to pass each of the city inspections, especially the electric. We are not actually sure how they fangled getting the sign off because we had issues and literally had to hire a new electrician to come back out and fix the problem. You can also not count on Ivan for a contractor discounts on any of the finishes, you are on your own and are paying full retail price. Secondly, he was less than helpful with ensuring we picked out the right fixtures to meet code and we ended up having to return a few things because he did not provide proactive information on what exactly was required. All in all, with all the mistakes and numerous attempts to pass inspections, the projected ended up taking twice as long as Ivan committed. Thanks for reading, we would not recommend Ivan!

Dave C.
Jul 2019
5.0
Bathroom - Remodel
Yes, I recommend this pro
Ivan was great, very professional

Matt D.
Jul 2019
5.0
Yes, I recommend this pro
Ivan was always responsive to my calls, emails and texts. He took ownership whenever issues arose (which they always do in construction) and was quick to mobilize his workers to resolve. Our project included extensive electrical work to rewire a historic building built in 1910. We also had to re-plumb the bathrooms and kitchens across two units and build an exterior deck and staircase. This was all to appease San Francisco inspectors for converting our building to condominiums. Pedro was the main person who led the day to day work onsite. He was friendly, cleaned up each day and hard skilled worker. I would hire Ivan again for future work.

Denetris R.
Jul 2019
5.0
Yes, I recommend this pro
Professional quality expertise.

Paul S.
Jun 2019
5.0
Bathroom - Remodel
Yes, I recommend this pro
Our initial project was a to-the-studs remodel of a bathroom. We were having trouble finding a contractor, and then we found Ivan on HomeAdvisor. He gave us a very reasonable proposal, got all the permits quickly, and started work within a week. Ivan was diligent and honest, and a real pleasure to work with. He was super responsive to text messages, his crew were incredibly nice and considerate, and they showed up every day until the work was done. The job included a new tile floor and walls, new piping, tub, vanity, toilet, a bit of electrical, and painting. The work was high quality, and Ivan pointed us to the best place to buy tile (Best Tile). We were so happy with the work that we had him replace the floor of our other bathroom as soon as they were done with the first. Both jobs were of very good quality and were completed for the exact amount he quoted up front (we had a couple change orders, and we agreed to those increases as they came up). I highly recommend Ivanâ an honest and straightforward contractor.

Dennis D.
Jun 2019
5.0
Yes, I recommend this pro
Ivan and his team did a fantastic job with my unit. The price was fair and the work was efficient and high-quality.

Vivian S.
Jun 2019
5.0
Deck or Porch
Yes, I recommend this pro
Ivan and his team were prompt, clean and respectful of our time and property. Ivan, his demolition, building and electrical and his clean up crew were all professional, prompt and reliable. We are extremely happy with the work they did and with our new deck. I would definitely recommend him!

Joelle B.
Apr 2019
5.0
Bathroom - Remodel
Yes, I recommend this pro
very courteous people.The project turned great.
Showing 1-25 of 70

Licensing

State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.

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FAQ

Ivan Alberto Rivera Rivas is currently rated 4.5 overall out of 5.

Monday: Open All Day Tuesday: Open All Day Wednesday: Open All Day Thursday: Open All Day Friday: Open All Day Saturday: Open All Day Sunday: Open All Day

Yes, Ivan Alberto Rivera Rivas offers free project estimates.

No, Ivan Alberto Rivera Rivas does not offer eco-friendly accreditations.

No, Ivan Alberto Rivera Rivas does not offer a senior discount.

No, Ivan Alberto Rivera Rivas does not offer emergency services.

No, Ivan Alberto Rivera Rivas does not offer warranties.