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HomeAdvisor Screened & Approved

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Learn about our screening process

32 Years In Business

Company Details


6321 Washington Street, Suite N
Denver, CO 80216


  • Mon: 8:00 AM - 4:00 PM
  • Tue: 8:00 AM - 4:00 PM
  • Wed: 8:00 AM - 4:00 PM
  • Thu: 8:00 AM - 4:00 PM
  • Fri: 8:00 AM - 4:00 PM
  • Sat: 8:00 AM - 12:00 PM
  • Sun: Closed
View All Details & Credentials


Service Details

  • Small Jobs Welcome

Areas of Expertise

  • Basement Drainage Channels
  • Drain Clog or Blockage - Clear
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Warranty Offered
  • Trip Charge May Apply
  • Credit Cards Accepted


206 Verified Reviews
  • 5
  • 4
  • 3
  • 2
  • 1

Highly rated for

  • Quality
  • Customer Service
Showing 1-10 of 206 results
5.0 Donna R. Denver, CO

Very responsive, came to do the work the day after I spoke with them. Steve was right on time and very professional. I'm a real estate broker always looking for qualified contractors. I'll be recommending A-Ok :)

5.0 Dave B. Arvada, CO

On time and did a great job.

5.0 Corale N. Denver, CO

4.5 Aurora, CO

Excellent customer service. The dispatcher was very friendly and helpful and the technician arrived on time and had the necessary part so he was able to fix it without delay. No muss. No fuss.

5.0 Liz L. Golden, CO

the job was small but the guy who came out was great. personable. helped us out tons. thank you.

5.0 Susan L. Thornton, CO

If I could give A-OK 10 stars, I would! After experiencing back-up plumbing issues in my home for over a year AND after having 2 other companies come out and do their thing, of which the 2nd guy totally ripped me off, the problems continued. You can imagine my frustration at having to call, yet another plumber. Finally picked a winner with A-OK. Steve came out, early mind you, listened to my issues and I explained what the past guys had done. Well, I instantly saw the light come on in Steve's brain, it was beautiful. He went right to work, was done in about an hour, cleaned up after himself and I was actually delighted to pay the bill. Shoot, I kinda wanted to give him a tip! Everything is flowing, flushing and fantastic, with a warranty to boot! He left me an A-OK sticker on my water heater for any future problems and you can best bet, I'll be referring to that little sticker should the need arise. Thanks, Steve. You rock!

5.0 Sherryl S. Aurora, CO

I wasn't expecting anybody to come at all until Monday and the customer service representative called me within one hour of my scheduled time on HomeAdvisor and let me know that they could actually come in today 3 days early thank you so much

5.0 David D. Aurora, CO

Steve was wonderful. He was on time and very, very nice. Will be using them again fo sure.

5.0 Bill C. Lakewood, CO

Steve was friendly and performed the work quickly and expertly.

4.5 Brian C. Littleton, CO

Great customer service.


AOK Plumbing & HVAC Services

HomeAdvisor allows Service Professionals to post information about themselves and their business on their profile. HomeAdvisor does not review or verify the information representations set forth in those profiles as they are self-reported by the Service Professional.

To find more licensing information for your state, visit our Licensing Requirements page. Note that some states require local or county level licensing and you should verify whether or not your pro is properly licensed.

Seal of Approval

What is the screening process that Service Professionals go through in order to become members of the HomeAdvisor network?

  1. Verify Trade License
    HomeAdvisor checks to see if the business carries the appropriate state-level license.
  2. Verify Insurance
    As a part of our screening process, we encourage professionals to carry general liability insurance. We require coverage for hundreds of services.
  3. Verification of State Business Filings
    For business types that require a Secretary of State filing, we confirm that the business is in good standing in the state in which it is located.
  4. Criminal Records Search
    HomeAdvisor uses 3rd party data sources to conduct a criminal search for any relevant criminal activity associated with the owner/principal of the business.
  5. Sex Offender Search
    We confirm that the owner/principal is not listed on the official state Sex Offender web site in the state in which the owner/principal of the company is located.
  6. Bankruptcy Search
    We use 3rd party data sources to check the history of the principal/owner of the business for bankruptcy filings by or against them.
  7. Legal Search for Civil Judgments
    We use 3rd party data sources to check the principal/owner of the business for state level civil legal judgments entered against them.
  8. Liens Search
    We use 3rd party data sources to check the principal/owner of the business for liens placed against them.
  9. Identity Verification (SSN)
    HomeAdvisor verifies the social security number(s) of the owner/principal for identity check purposes. This check applies primarily to smaller business entities.
  10. Identity Verification (Reverse Phone Lookup)
    We conduct a reverse business phone lookup to identify records matching the phone number information provided by the business.

NOTE: Member service professional information confirmed as described above may change or expire over time; while HomeAdvisor attempts to maintain accurate and up-to-date information, and confirms changes when notified, we cannot guarantee that profile and screening information is accurate. Therefore, we recommend that before working with a service professional you verify that information presented is still current and/or acceptable to you.
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