Black Rock Underground, LLC
Excavation Company in Beaverton, OR4.8 Google rating, 49 reviews11 reviews in the last 12 monthsMost recent review 2026-08-27Claimed on Google
About
Black Rock Underground, is a licensed, bonded, and insured underground utility and sewer contractor based in Beaverton, Oregon, providing commercial and residential services throughout Oregon and Southwest Washington. The team specializes in trenchless sewer repair and replacement, helping homeowners, businesses, and property managers resolve sewer and pipe issues with minimal disruption to lawns, landscaping, and structures. Using advanced methods such as sewer camera inspections, pipe bursting, directional drilling, and hydro jetting, problems are identified accurately and repaired efficiently. Services also include sewer backup solutions, excavation, underground utilities, site preparation, grading, and septic tank installation.
Description written by the business.
Services
- Excavation
- Land clearing
- Grading
- Site preparation
- Trenching
- Utility lines
- Septic install
- Drainage
- Hauling
What reviews mention
- sewer scope 26
- sewer line replacement 12
- work quality 5
- polite crew 3
- drain 3
- backhoe digging 2
- rain gutter repair 2
- concise bid 2
- home inspector 2
- clear explanations 2
Recent reviews
Antoine and crew (Nic and Austin) were very professional and great to work with (as were the owners and sales person/estimator). Antoine clearly has the customer's interest in mind. He kept me informed quickly throughout the project with any updates or issues or questions and was...
Cody & Antwon came out and did a fantastic job fixing our plumbing issue. They explained everything to me in laymens terms so I could understand the issue with the faulty plumbing and drains and when they were done they went so far as to clean up our gravel drive as well. Great c...
Top notch crew that did a excellent job at my apartment complex. Want to send out a special thanks to Adam who is in charge of this hard working group of men.
I can't really comment on the work, as i've never hired them. But, I have been the neighbor for 2 of their projects (at the same house). Cory (the owner) has always been nice and polite. And whenever he's around (which is often), he is attentive if i need to get his attention fo...
We are neighbors that share a driveway where the work was being done. Antoine went above and beyond. He was very kind, explained what they were doing, our driveway was affected and we had no notice that the driveway was going to be dug up by the property management who was having...
Hours
| Mon | 7 am to 5 pm |
|---|---|
| Tue | 7 am to 5 pm |
| Wed | 7 am to 5 pm |
| Thu | 7 am to 5 pm |
| Fri | 7 am to 5 pm |
| Sat | Closed |
| Sun | Closed |
Contact Black Rock Underground, LLC
- (503) 747-9312
- blackrockunderground.com
- 16770 SW Shaw St Ste C, Beaverton, OR 97007
- View on Google Maps
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Data: Google Business Profile data via DataForSEO, pulled October 2026. Profile checked 2026-10-16.
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