Rated 4.19 / 5 from 27 reviews
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L. J. Kruse For almost 100 years, L.J. Kruse Company has contributed to the growth of the Bay Area. In 1916 we opened our doors installing plumbing and heating in residential areas in Berkeley and Oakland. As the Bay Area grew, we responded by adding services and expertise to meet the needs of commercial clients including the booming biotech industry, universities, hospitals and office parks.

Our skilled union craftsmen pride themselves on meeting the technical challenges of new commercial construction and delivering quality repair service to homeowners and businesses alike. We're proud that generations of Bay Area customers have turned to us for plumbing services. We built our business on a long-term commitment to customer satisfaction and prompt service. The result is a track record of quality work performed to stand the test of time.
Highlights and features
  • Commercial HVAC, Cooling Services, Design Services, Repair Services, Heating Services, Residential HVAC, Installation Services
Services
Commercial Services
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Commercial Services At L.J. Kruse Company, our commercial plumbing and HVAC capabilities include working with owners and general contractors in the Bay Area to build new hospitals, labs, office buildings and institutional facilities. We also perform maintenance and service for existing commercial buildings, as well as designing and installing the plumbing and medical gas systems.
Residential Services
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Residential Services Residential Service from L.J. Kruse Company is available in Berkeley, Oakland, and throughout the Bay Area. We offer comprehensive plumbing and HVAC services including installation, maintenance and repair.
Service
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Service Maintenance on a regular schedule prolongs the life of your equipment, maximizes efficiency and protects your investment. At L.J. Kruse Company we repair and maintain plumbing, heating, cooling, and sewage systems for homeowners and businesses in Berkeley, Oakland, and throughout the Bay Area.
Reviews (27)
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Daisy C.
Jun 27, 2022
In my professional life ( HOA property manager) We always have plumbing issues somewhere. Kruse has been instrumental at one particular property and so helpful when situations happen. The office staff is great and so are the techs that go on site to resolve issues for my homeowners.
Gleann Shell
May 25, 2021
Always efficient, accompanied with kindness and professionalism. Service: Plumbing pipe repair
Billie W.
May 03, 2021
Excellent and professional service, estimate, and quality products. Thank you for taking on such a large project and competing the job on time.
Scott A.
Apr 12, 2021
Ask for Ramon! He solved my problem without spending any money and then proceeded to diagnose and fix something else I didn't even notice that was about to become a problem. Family owned and been in the east bay for three generations!
Diana Victoria B.
Feb 23, 2021
The folks from LJ Kruse are 100% the most professional, knowledgeable and incredibly hardworking. Greg Stewart and his colleague David were especially outstanding. I had a 100 year old boiler in my house. They came by, removed it, spent weekends installing the new one, and Greg got it working. They spent days made sure to get the system up to speed. I can't tell you how grateful I am for their work. I'd recommend them to anyone. Vickie from Berkeley
Bob H.
Feb 09, 2021
We've been LJ Kruse customers for 40 years, and have been consistently happy with the quality of their work and their customer service. Emergencies - they have come through for us every time, including this week. We have one of those old original boilers in our 1920s house and love it for the clean radiant heat it gives, even though it is expensive. LJ Kruse has two technicians who know how to work on these boilers, and they are both great.

When something happens - pilot light or thermocouple, as happened this week - someone comes right away. They are busy, but somehow found a way to squeeze us in. We were so happy to get our heat back yesterday - much appreciated! Fantastic customer service. I talked to owner Will Kruse this time and, he is just so very nice. Margie in the office too - so nice to talk to her! Highly recommended!
Chloe Wellspring
Jan 03, 2021
Simply the best. Fun to work with. Phenomenal service, so talented Matt went out of his way to make a tricky vintage tub install happen!
Ciel C.
Jul 21, 2020
LJ Kruse is our go-to plumbers for our business. We are a converted warehouse with 38,000 square feet, and they have tackled each plumbing issue we've had with ease, quality work, and professionalism. Specifically, Ramon was so wonderful. He worked extremely efficiently, was very kind and communicative, and we felt great about having him in the space. Highly recommended!
Yoko O.
Jun 21, 2019
We noticed some seeping along the joint that Mike repaired. Ramon came over right after calling to let me know when he would arrive. He fixed the leak right away and then noticed that the water was emptying out of the sink very slowly. I told him that both the bathroom and kitchen sink were slow and that I had been using Drano. He let me know that you should never use Drano in the old metal pipes, only in clay and plastic pipes.

It eats away if it stands! Luckily my pipes were intact but now I have a bottle of Drano to get rid of. d'oh! He used his snake and cleared out the kitchen pipe and fixed the bathroom pipe in no time, AND being the pro he is, he showed me how to fix it should it need it again. There is a long plastic tool with teeth at one end and a ring at the other.

You poke it down the bathroom sink drain and grab the gunk and unplug your slow drain. I think it will be a while before we have to call the plumber again, but when I do, you can bet it will be LJ Kruse! Yes, they are expensive but worth every single dollar. They stand behind their work, they are fast, clean, consummate professionals and in the case of Ramon, easy on the eyes. Best Friday ever!
Karen M.
Apr 20, 2019
We have a wonderful 1933 older home with original plumbing that needed a sink replacement with a modern vanity. Thanks to Jeremy with LJ Kruse Company we were able to navigate a very complicated removal and retrofit situation. Jeremy anticipated all angles of the project and we talked about the pros and possible cons of each step. I felt informed and consulted all along the way. The outcome is terrific.
Karen W.
Feb 08, 2019
This company has great customer service. The technician who came to repair a heating system systematically tested the electrical connections. That led him to the source of the problem. He wasn't familiar with the particular heater but he understood the way it worked. That's what I like to see. He was able to fix it and even installed a new thermostat I bought. Again, he'd never worked with that brand of thermostat but he installed it quickly.

It would have taken me days to figure out how to install that. The service is very expensive but I didn't care this time. It was the coldest time of the year. No one wants to go without heat. Not many companies are willing to work on the unusual heating system we have. That made it much easier to pay the high rates.
James Son
Jan 20, 2019
I am writing this review on behalf of my father who had a broken water boiler heater in his church mission home. This heater is over 50 years old and I had a really hard time finding a service company that is able to fix the old heater. I am so happy to find LJ Kruse who could actually service it. The service tech Dave came in prepared with every tools and replacement parts in his company truck.

He was able to identify the issues with the heater and replaced some necessary parts. Dave was honest, kind and professional and he was able to get the old heater running. Now the tenants and church members in the mission home are all happy that the rooms are warm during the cold winter! If this company can fix an old school heater like what my father had, they can definitely fix any of your heating problems.
Horacio Tubio
Jan 16, 2019
We had a puncture water pipe that caused a leak in our kitchen ruining a brand new floor, Kruse Plumbing sent James to do the work, he was efficient, kind and very helpful finish the job in half a day and we couldn't be more pleased, thank you and we definitely would call Kruse again.
Hannah G.
Jan 10, 2019
I'm the tenant of another reviewer of this company, and my landlord had a quarrel with the price he paid for the work (which I believe is based on a misunderstanding), so I wanted to say a couple of things about this company: 1. My heater was not working and it was COOOLLLLD out; I know they were working their tails off, but they went out of their way to squeeze us in for our initial site visit as quickly as they could. 2.

When Paul came out, it was clear he was a very hard worker, but he took the time to explain the issue to me, was polite and professional, and got the evaluation done quickly. Unfortunately a part was needed, so he couldn't fix it that day. 3. The part came in the day before Christmas, and Paul called my cell phone and said there weren't any appointments available for a week, but he'd be happy to come at the end of his scheduled calls and do it for me. ON CHRISTMAS EVE. Unfortunately, I was on a train and there was no one there to let him in, so we couldn't take advantage of this beyond-the-call-of-duty offer. 4.

This company cares about service, and they did their job efficiently and well and, contrary to my landlord's misunderstanding, at the estimated rate and with a low mark-up. I would call them again in a heartbeat.
Ned L.
Jan 04, 2019
This company charged me $236.70 for the same part that is listed on Amazon for $40.99. I cannot tell if this included $35.00 shipping cost for an item that weighed a few ounces but I do know that Amazon Prime members have free shipping. I do not mind a 200% markup but this needs further investigation. I also paid $400.00 for labor and I was able to replace a similar part on another furnace in 10 minutes. Never call this company for service if others are available.
Grace Pitschi
Nov 17, 2018
LJ Kruse really goes above and beyond! We have used them on several occasions, for a variety of issues. They always impress! From Heather in the office whose customer service, informational help and communication I can always count on, to Ramon the awesome plumber who comes out and saves the day with his skill and expertise, to Greg whose work within the home goes back almost 20 years, to Mike who's repaired the boiler and heating system and seriously knows his stuff.

We are so grateful we know we can rely on LJ Kruse to be top-notch! We have used them for years and will continue to call on them as needed. Always professional, punctual, communicative and thorough- THANK YOU LJ KRUSE!
Josh B.
Oct 30, 2018
Christian helped me book a last minute plumber for an odd scenario for my tenants, while I'm out of state. The logistics are mind boggling. Seriously though, these guys are consummate professionals. They were fast, on-time, and nailed the issue. They were also very easy to get a hold of, talk with, ask questions, and schedule everything. I will definitely be using them in the future for all my plumbing needs.
Leslie K.
Aug 27, 2018
Last year they worked on our central AC system. It cost over $1,000 for the labor but I was happy to have it working again. I have a health condition which makes me sensitive to heat so AC is a necessity for me. Early last week we had problems again and they were scheduled to come on Friday. Friday morning they called to cancel; apparently their only employee that could repair our AC had an emergency.

He was able to come today (Monday). After 2 hours ($408) he said there was nothing he could do; they discontinued servicing Carrier AC systems. WTF? Last year we had the same system! Why come to our house and not tell us this news beforehand? I regret we paid.so my only recourse now is to share my experience with others. August 28th edit: I appreciate that Kruse management checks Yelp reviews and wants to repair customer relationships.

The situation has been handled appropriately now but it's unfortunate that the technician was not able to communicate the variety of options available to us. We were successful in finding another company and they are currently doing the work. Kruse was able to refund me so I am satisfied. As I originally said, they did good work last year.
Wai T.
Jul 21, 2018
I needed my shower valve replaced and relocated to a higher spot, due to a tub to shower renovation, plus the old valve leaked. Jeremy was sent out to do the work. The work was completed in half day. The shower valve was properly measured out and mounted. Pipework was very clean. Jeremy was very informative, cautious, detailed oriented and wanted to be sure the install was done right.

It appear he had fun also, despite the tight conditions. Overall, a little pricey, but it's good to know this done right and it won't be a worry for many many years.
Thomas M.
Apr 10, 2018
I have been a customer of L J Kruse for over 25 years. They have replaced a 60 year old boiler, two toilets, fixed leaking faucets and replaced drain pipes. All was done to the highest professionalism. I have not have a better contractor.
S. Y.
Jan 09, 2018
My boiler stopped working last night, and when I saw that the digital display was blacked out, I knew we had to call in the professionals. I also had a 3 year old with croup (which sounds like Darth Vader dying) who had wet his bed and was shivering in the freezing house, so I called Kruse first thing in the morning begging for an appointment today. Kim at the office did then some sort of superhuman scheduling since rain + cold is their peak season, and she wrangled a same day appointment for us. Mike, who clearly knew his stuff, came and was like a laser, honing in on the problem and driving like the wind to Richmond and back with some obscure display part.

He was in and out in under 2 hours with his initial assessment, the rush hour part purchase and the actual repair. I can't recommend Kruse enough for any and all boiler issues.
Barbara Brodrick
Nov 19, 2017
This review is long overdue. We had a gas leak at my business December 30th, 2014. The guys worked until New Year's day to fix the issues. They were prompt and very professional. They know what they are doing for sure.
Shannon Shannon
Feb 19, 2017
DO NOT USE L J Kruse. RUN! We have an inspection done at our residence close to Noon on Nov 4th. Same day, three hours later, Margie at the billing department tracking me down at work demands the credit card number while I have my clients sitting in front of me. Which firm does not let a wife speaks with a husband before a credit card charge go through?

Before you starts to threaten your potential client, can you please relax? We have no intention not paying for what we owe. It has been 3 hours only. Let me go home and have a chance to speak with my husband. I placed a call and speak to one of owner Nathan Kruse. He sounds warm and empathizing the situation. Unfortunately, the damage is done. I phoned back in one hour and ready to pay for this little inspection and chose not go through with the major hot water boiler replacement project as the Tech quoted. I wish I picked other company. Run! Don't make the same mistake I made by using L.J. Kruse. Run!
Shannon C.
Nov 04, 2016
DO NOT USE this firm. We have an inspection at 11:30AM on Nov 4th. Manager Margie phoned me at my work at 3PM same day (Nov 4th) demanding a credit card numbers when I have my clients sitting in front of me. I asked her if it is okay to wait till I get home and communicate with my husband. This Margie starts to speak offensively. We have no intention not paying what we owe( I believe is less than $160).

Can you at least let me chat with my husband before a charge go through on our credit card? It seems our hot water boiler needs to be replaced. We will not use L J Kruse after this intense confrontation over a small bill. We will certainly mail out the check before Monday and run as far as we can. Mission accomplish Margie! You successful scare away a $2150 work assignment.
Anastasia E.
Sep 02, 2016
I would give them a ZERO if I could. They rescheduled THREE times then tried to reschedule a FOURTH! My landlady set this up. They told me EACH time they didn't have my contact number. I gave it to them EACH time! Not only that, but the woman I talked to the last time was not apologetic about this insanity. Very cold. And then they billed my landlady $184 which she paid, not realizing what was going on. Shame on them. The worst business attitude ever. Worst business practice ever.
Cheryl Simeone
Apr 27, 2016
Prompt and professional, also pleasant and took pride in his work.may i add very very fair price. Thank you again Joseph for awesome customer service.
Hanna V.
Dec 21, 2015
Our furnace stopped working and we called Kruse (on the recommendation of another vendor!). The technician advised that the furnace was too old to be repaired and the faulty part was no longer manufactured. He advised replacing the furnace. I was charged $184 for this visit/advice. There are two problems with this situation: 1. I called another vendor to get a second opinion and that vendor not only was able to source the part, but was able to fix the furnace and it is now functioning perfectly.

The cost to me was $200 total. 2. The quote which Kruse provided to replace the furnace was almost $5000 for the one furnace. When I looked up the materials online, it was less than $1000. This means that Kruse was quoting $4000 for labor. I will not recommend this company due to the poor service, incorrect information, inflated bid, waste of my $184, and general incompetence.