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Drennen Custom Contracting

General Remodeling, Basement Remodeling, Roofing,

About us

Additional address - 608 East Trilby, Fort Collins, CO 80525.

Business highlights

52 years of trusted experience

Services we offer

Home efficiency, roofing installation, repair, remodeling & restoration.

Amenities

Free Estimates
Yes
Warranties
Yes
Senior Discount

10%



Accepted payment methods

Check

Reviews

4.933 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
91%
4
3%
3
6%
2
0%
1
0%


Rating CategoryRating out of 5
quality
4.8
value
4.7
professionalism
4.8
responsiveness
4.9
punctuality
5.0
Showing 1-25 of 33 reviews

Doug C.
01/2021
5.0
Drennen fixed a faulty radon system in our home. They took a look at what was going on and were very straight forward and honest in their approach. Every employee from the office manager to the installers exhumed care and professionalism at every step. They were extremely pleasant and kind. It was very evident that they cared about their customers and doing the job right. They also installed a radon mitigation system for my elderly father and the first thing he said when I talked to him was how nice the installers were and what a great job they had done. Both of these experiences demonstrate an integrity and honest care that is hard to find these days in any profession. I am truly grateful for Drennen and will recommend them to everyone without reservation.
Description of Work: Radon Mitigation

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$1,200

tom F.
11/2017
5.0
went well. very short wait before they were able to come.
Description of Work: adjust location of radon pipes they had installed some time ago

Rating CategoryRating out of 5
quality
4.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

Benjamin B.
01/2015
5.0
I had a radon mitigation system installed on 12/18/14. My radon was super high, 18. We quoted out a couple of companies and the other wanted to go in my closet, through the ceiling (upstairs floor), then outside... Drenen went in my utility closet and out. They are contractors, so they know what they're doing... answered all of my questions, got it done and my new reading was 0.4. They provide you with a certificate of new level which is good enough to be valid for the purpose of selling your house. Yay!
Description of Work: Radon mitigation

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$950

Heather R.
12/2014
5.0
Every aspect of the process from bid to install to invoicing was exceptional. All the people I dealt with were top notch and made sure that everything was completed to sanctification. I would use this company again and again.
Description of Work: Installed radon mitigation system.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$900

Pamela R.
06/2014
5.0
remodeling, home remodeling
  + 0 more
This job was done on time and on cost... The crew was very good about cleaning up at the end of each day.. They were very pleasant to have in our home... We highly recommend Drennen's for all your remodeling needs!!
Description of Work: Bathroom Remodel.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$25,000

hui H.
06/2014
5.0
Good price. The system did not work well as the first time but they were responsive on fixing the issue.
Description of Work: Radon mitigation system installation.

Rating CategoryRating out of 5
quality
4.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$600

Felicia H.
03/2014
3.0
remodeling
  + -1 more
We had a passive radon mitigation system in our new home but found the radon levels were still high. We called around to estimate the costs of attaching a fan to the passive system. Drennen was not the lowest quote but it was a good price and we decided to go with this company based on existing reviews. We were very impressed with the professionalism and efficiency and we let the office know how satisfied we were. A short time later, we'd purchased some bathroom fans and needed them installed, so we gave Drennen a call. The estimate he gave us over the phone was $1500 which seemed pretty high to me. I let Arnold Drennen (the one who provided the quote) know that I thought the price was a bit high. A few days later, he emailed me a written quote of $1800. Meanwhile, I contacted an Angie's list, top-rated HVAC company and they gave me a quote of $500 for the same services. I had them do the work and they did a fantastic job. I indicated that I would not use this company in the future, even though I was thrilled with the one job they completed for me. I paid for that service upon completion and gave them genuine, positive feedback. However, the next time I called to use them, I felt like they were taking advantage of my satisfaction (and thinking I was an idiot, to boot). This quote did not come from some office person, it came from the owner. And the disparity between the two estimates I received suggests questionable integrity. A contractual relationship that isn't built on mutual trust and respect isn't worth having.
Description of Work: The company is punctual, responsive and appears to do a quality job. The price, professionalism and integrity are issues I'm unsure about. My rating is based on two different services. The first was radon mitigation which we had done and we were very satisfied with the work. The second was an estimate for installing bathroom fans, work we had completed by another contractor.

Rating CategoryRating out of 5
quality
4.0
value
1.0
professionalism
2.0
responsiveness
5.0
punctuality
5.0

$1,800

Ted S.
02/2014
5.0
They did the work on time and exactly on quote.
Description of Work: Radon system installation

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$750

Amy A.
11/2013
5.0
They were very professional and reasonable price-wise. They were on time, and I would definitely use them again in the future and would recommend them to others.
Description of Work: They did a Radon test to make sure the levels were healthy

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$650

Gail E.
11/2013
5.0
remodeling
  + -1 more
The people at Drennen are very friendly and professional. They were punctual with both bidding the project and doing the job. They coordinated the removal of the old door, remodeling the opening, and installing the new door. The entire job took three days, and they made sure the garage was inaccessable during the night.
Description of Work: Drennen expanded our 7-foot garage door opening to 9-foot. They also coordinated their work with the company installing the larger garage door.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$1,500

Vicki S.
10/2013
5.0
Work went very well and we are please with this company.
Description of Work: Replaced vapor barrier and redid Radon testing after broken water pipe in crawl space.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
4.0
punctuality
5.0

Yes, I recommend this pro
$350

Alex M.
08/2013
5.0
We were provided a quote for radon mitigation on a house that tested at 24 on the Radon scale. Initially they sunk a pipe and installed a fan. We then did the test. The results were not below 4 as the contract stated they would be so they kept at it until it was. They had to come back three times (and I don't think this is because they were incompetent, it was a tough house with poor soil and construction challenges) until they got it right, just like they said they would. We'll use them for other projects should the need arise.
Description of Work: Radon Mitigation

Rating CategoryRating out of 5
quality
4.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$1,100

Debra C.
07/2013
5.0
roofing
  + -1 more
The flashing and some other roofing materials were installed, along with new soffits. The workmanship is excellent.
Description of Work: Repaired soffits damaged from ice damming

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$1,300

Debra C.
07/2013
5.0
decks, drywall, remodeling
  + 1 more
We had a roofed porch with a wind-blocking north facing wall. The wall has one window. Drennen built the framing and screened in the open sides of the porch, installed glassblock on a half wall for privacy and finished all of the drywall to match the siding on the porch and the wind-blocking wall. The framing and workmanship, done by James and Brian, was excellent. The screened-in porch looks like it was built when the house was built. In no way does it look like an addition was put on the house. I would highly recommend Drennen Contracting for any project you have. You certainly won't be disappointed.
Description of Work: Screened in our back porch. We had a roofed porch with a wind-blocking north facing wall. The wall has one window. Drennen built the framing and screened in the open sides of the porch, installed glassblock on a half wall for privacy and finished all of the drywall to match the siding on the porch. The framing and workmanship was excellent.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$5,000

Jim B.
06/2013
5.0
The service provided was great from the start to the end. An estimate was received quickly and work was performed professionally. I have done some research on do's and dont's of this installation and everything was done right. The guys were very friendly and professional. They cleaned up after they were done. To sum up, this was an example of great costumer care and business excellence. I would definitely recommend them.
Description of Work: Installed the radon mitigation system and sealed the cracks in the basement.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$1,100

Kate A.
05/2013
5.0
remodeling
  + -1 more
We recently had a bathroom remodel done by James at Drennan. James came out to do our estimate and although we had consulted several contractors, none were as thorough as James. He considered aspects of the job that no one else had mentioned, so that when we got our estimate, we felt secure that it was pretty accurate, as it proved to be when the job was finished. Our home is over 70 years old, so of course there were a few surprises during the job, which James and crew handled with good humor and resourcefulness. James and his assistants, Nick and Chuck were very considerate of our comfort while they worked in this very small house. They were pleasant and friendly and by the time the project was done, we felt more like we were saying goodby to friends. This was a pretty big job, including demolition and creating new or resurfaced walls, floor and ceiling, plus installation of new fixtures and shower, etc. The job was done within the suggested timeframe, with the exception of a small glitch in acquiring a new vanity and sink. But even with that small delay, all was accomplished in a timely manner. James did a marvelous job tiling our new shower and floor. He even added little creative touches around the window and trim that we didn't expect, including suggesting some really nice looking soapstone corner shelves in the shower. He was more than happy to accomodate our ideas or to suggest alternatives that might work better. The texturing he did for our new walls really adds a nice touch to the room. In short, we highly recommend James and his crew at Drennan. We love the job they did.
Description of Work: This bathroom remodel involved near-total re-do of the room. Included breaking up and removing old cast iron bathtub and converting the area to a shower. Removal of old walls and flooring, putting in new walls surface and texturing, tiling new floor, resurfacing ceiling, removal of old window and installation of new. Install new sink and vanity, new shower fixtures, toilet, tile shower. Installed new light fixture and wired a new switch for the light. Treated for mold found at removal of old floor and walls.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$12,000

Maggie S.
04/2013
5.0
basement remodeling
  + -1 more
The Drennen Crew, and the supervisor James Warren, were very professional. On time, cleaned up every day before leaving and made a point of discussing each phase with us. They removed the old, small bathtub and built a beautiful tile shower, tile floors, raised vanities, granite countertops, and new carpeting in the master bedroom, guest room, dressing room, closets, and the stairway. And one of the best, built a hidden laundry shute that goes from the master bathroom directly down to the first floor into my laundry basket right next to the washing machine. I love it. The sub contractors, HiPeak Plumbing, Alan Epperson, Quality Carpet Install, Rock Solid Marble, were all effiecient and clean.
Description of Work: Master Bathroom remodel. We finally decided to remodel our master bathroom, dressing room, guest room, and stairway to 2nd floor where all are located. We knew it would take at least 3 weeks and be messy.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$15,000

Bonnie W.
02/2013
3.0
Drennan was recommended to me by our home inspector during the closing process of our home in rural Colorado. We needed a radon mitigation system installed. The receptionist was very pleasant and helpful, actually putting me in contact with the owner, Mr Drennan. Speaking to Mr Drennan over the phone was a bit of a frustrating challenge, he was difficult to understand and talked over me a lot, but did eventually answer all my questions. Specifically, I was happy with the guarantee that was given with their work: i.e. the price includes any re-visits or adjustments to the system post installation to ensure the radon level was below 4. I was quoted a price that I was happy with and scheduled the technician to come to the house. When the technician came to install the system, he and his partner were both punctual and professional. However after seeing how complicated the installation was going to actually be, the technician said the actual price was twice what was quoted to me, and he didn't have the right equipment with him that day. He asked that I then reschedule so that an appropriate system could be placed. This of course was a huge inconvenience considering the closing date was nearing, and I lived out of town, having only that one date to get this taken care of. When I tried to call Mr Drennan back to discuss the fact that he had given me an inaccurate quote, that his technicians were unprepared, and that since I specifically asked him to give me an on site quote which he said he didn't need, I think I deserved a little money back on the end figure, Mr Drennan was unavailable. Actually never did get back to me. In the end we went with another contractor who did a great job. Overall, I think that Drennan would have done a fine job for a fairly reasonable price, but the quote process was very painful and a waste of time.
Description of Work: A Quote for a radon mitigation system

Rating CategoryRating out of 5
professionalism
3.0
responsiveness
4.0
punctuality
4.0

Yes, I recommend this pro

Jeff S.
12/2012
5.0
basement remodeling
  + -1 more
James Warren was the project manager and performed much of the work himself. His attention to detail was excellent. He expects the highest level of work from his sub-contractors and will settle for nothing less. We planned our kitchen remodel for many months but when James arrived, he gave us ideas that dramatically improved the overall project. The only glitch was with the electrical sub-contractor, Lighten Up out of Ft. Collins. James had to monitor them closely and there was an issue with the final bill from this sub. However, James made sure all ended well and made sure we didn't pay for electrical work we didn't owe. This is what we expected from the General Contractor and this is what we received. All work was inspected by the city with no problems. We would highly recommend James for any remodel, large or small.
Description of Work: Remove load bearing wall between kitchen and dining room; all plumbing and electrical for kitchen remodel, installation of kitchen appliances; installation of exhaust vent through roof for new hood; remove sliding glass door and replace with framing/insulation; preparation for new cabinetry; preparation for new flooring; install lighting in kitchen

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$13,000

CAROL G.
07/2012
5.0
I thought they were great. Their price is fair.
Description of Work: Drennen Custom Contracting installed a radon navigation system for me last August.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$1,100

Laura M.
07/2012
5.0
Very friendly, knowledgeable gentleman explained in detail how unique our 100+ year old home was and how we'd have to try a few ways to mitigate the radon. His assessment matched others' that inspected our house for the same reason. But this company had more solutions to choose from. Like the others that provided estimates for this service, there was no guarantee because of the age of our house. He also provided ideas for us as new home owners: to get an energy audit from the city, to look into changing our dryer exhaust...he was so knowledgeable about everything. We did not use Drennen because we used a family friends' services instead. I'm embarrassed to say we did use the non-conventional ideas that Drennen had and they worked to rid our home of high radon readings. I would definitely trust Drennen with future needs for our house. They are professional, reliable, honest, and creative when it comes to problem-houses.
Description of Work: Visited house to estimate radon mitigation.

Rating CategoryRating out of 5
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

Ray T.
05/2012
5.0
The team arrived a little late but went straight to work on the project. It was very easy to work with the business owner, Arnie Drennen, and making decisions about drilling locations and routing of PVC plumbing was straight forward and fast. The crew was experienced and it showed. Without my asking they laid down masonite board to protect the carpet from the construction traffic. All through the day Arnie was involved with the project and not distracted by phone calls or interruptions from other job sites. I had lots of nice power tools laying around the garage and house and not one of them was missing after the crew departed. One thing I liked about working with Arnie is that he's somewhat of a techno n*** in that he keeps up with the latest building codes and construction pratices. When I had questions about other issues with the house unrelated to the radon system he was quick with answers. I have more construction work to do on the house and I would not hesitate to use Drennen Contractors to do the work.
Description of Work: Installed Radon Mitigation system. Bored and excavated hole in slab at two locations, installed PVC up basement wall, through garage to exit roof. Installed vacuum motor to draw Radon gas from below slab. Measured vacuum at various points in the slab to verify effectiveness of installation. Tested radon levels for 4 days to confirm results.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$2,200

Louis P.
04/2012
4.0
basement remodeling
  + -1 more
Work not done well and overpriced
Description of Work: Radon mitagation & mold & water damage wall replacement

Rating CategoryRating out of 5
quality
2.0
value
3.0
professionalism
3.0
responsiveness
5.0
punctuality
5.0

$4,500

gerald K.
02/2012
5.0
roofing
  + -1 more
I spent more than $10000. It's all dependent on the size of the roof. They were very professional and very timely. They were on schedule. The people that I worked with in their office as well as the people that I had on the job site were of good personalities. Their price was very favorable.
Description of Work: I used the services of Drennen Custom Contracting during the second week of January. They ripped off my old damaged roof and put on a new roof.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$10,000

Carol M.
05/2011
5.0
We thought that they did a good job. We spent about $1000 on that service. They basically put in a pressurized system with a motor that sucks out the air from the foundation, slab, and everything and gets the number below 4. It tested at about 1 or something, so we should be fine.
Description of Work: Drennen Custom Contracting did radon detection for us in April of this year.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$1,000
    • 1(current)
    • 2

Contact information

PO Box 272167, Fort Collins, CO 80527

http://www.drennencc.com

Service hours

Sunday:
Closed
Monday:
8:00 AM - 4:30 PM
Tuesday:
8:00 AM - 4:30 PM
Wednesday:
8:00 AM - 4:30 PM
Thursday:
8:00 AM - 4:30 PM
Friday:
8:00 AM - 4:30 PM
Saturday:
Closed

Licensing

Insured
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 State Contractor License Requirements page.

*Contact business to see additional licenses.


Service Categories

General Remodeling,
Basement Remodeling,
Roofing,
Kitchen and Bath Remodeling,
Drywall,
Decks and Porches,
Siding,
Radon Detection & Reduction

FAQ

Drennen Custom Contracting is currently rated 4.9 overall out of 5.

Sunday: Closed

Monday: 8:00 AM - 4:30 PM

Tuesday: 8:00 AM - 4:30 PM

Wednesday: 8:00 AM - 4:30 PM

Thursday: 8:00 AM - 4:30 PM

Friday: 8:00 AM - 4:30 PM

Saturday: Closed

Drennen Custom Contracting accepts the following forms of payment: Check
Yes, Drennen Custom Contracting offers free project estimates.
No, Drennen Custom Contracting does not offer eco-friendly accreditations.
No, Drennen Custom Contracting does not offer a senior discount.
No, Drennen Custom Contracting does not offer emergency services.
Yes, Drennen Custom Contracting offers warranties.
Drennen Custom Contracting offers the following services: Home efficiency, roofing installation, repair, remodeling & restoration.

Contact information

PO Box 272167, Fort Collins, CO 80527

http://www.drennencc.com

Service hours

Sunday:
Closed
Monday:
8:00 AM - 4:30 PM
Tuesday:
8:00 AM - 4:30 PM
Wednesday:
8:00 AM - 4:30 PM
Thursday:
8:00 AM - 4:30 PM
Friday:
8:00 AM - 4:30 PM
Saturday:
Closed