Black Rock Underground LLC

Black Rock Underground LLC Call Black Rock Underground today 1-503-747-9312 The technicians at Black Rock Underground, LLC are industry leaders in trenchless technology.

We have been helping diagnose, repair and replace sewers in the Portland metro area for over a decade. We’ll work with you to diagnose and develop plan to help keep your home sewer lines healthy.

Did you know poor grading can send water toward your home instead of away from it?Surface water may not seem like a majo...
06/12/2026

Did you know poor grading can send water toward your home instead of away from it?

Surface water may not seem like a major issue at first, but over time it can contribute to erosion, soft soil, drainage problems, driveway washouts, and water collecting where it shouldn’t.

Black Rock Underground helps homeowners identify and address site-related issues such as:

✔ Grading concerns
✔ Surface water management
✔ Drainage problems
✔ Culverts
✔ Site corrections

Not every property issue starts with the sewer line. Sometimes, the bigger concern is how water moves across the land.

If you’re noticing standing water, erosion, or drainage issues around your property, our team can help evaluate the problem and recommend practical solutions.

Licensed & Insured | OR CCB #196119
📞 Call or text (503) 747-9312
Request a quote: https://blackrockunderground.com/contact/

Calling all realtors! When property issues come up during a transaction, timing and clarity matter.Black Rock Undergroun...
05/22/2026

Calling all realtors!

When property issues come up during a transaction, timing and clarity matter.

Black Rock Underground works with real estate professionals, homeowners, and inspectors to help identify and address underground and site-related concerns that can impact a sale.

From sewer scope issues and sewer repairs to drainage, grading, surface water management, culverts, and other property concerns, our team helps provide clear answers and practical solutions so everyone understands the next step.

If you’re working through an inspection issue or helping a client evaluate a property, we’re here to help keep the process moving.

Licensed & Insured | OR CCB #196119

📞 Call or text (503) 747-9312
Learn more: https://blackrockunderground.com/about/for-real-estate-agents/

Most sewer and utility issues start where you can’t see them.Underground.At Black Rock Underground, we specialize in ide...
05/08/2026

Most sewer and utility issues start where you can’t see them.

Underground.

At Black Rock Underground, we specialize in identifying problems early and delivering reliable solutions—from inspection and excavation to full sewer replacement and utility installation.

✔ Sewer services
✔ Utility installation
✔ Excavation
✔ Repairs & maintenance

Whether it’s residential, commercial, or public works, our team is equipped to handle the work below the surface—safely, efficiently, and done right the first time.

Licensed & Insured | OR CCB #196119
📞 Call or text (503) 747-9312
Request a quote: https://blackrockunderground.com/contact/

A quality sewer replacement doesn’t just fix what’s underground—it leaves your property looking like we were never there...
04/17/2026

A quality sewer replacement doesn’t just fix what’s underground—it leaves your property looking like we were never there.

With trenchless sewer replacement, our team can install a new sewer line while minimizing disruption and restoring the surface once the work is complete.

✔ Minimal impact to your property
✔ Professional surface restoration
✔ Long-lasting underground solution

At Black Rock Underground, we take pride in doing the job right from start to finish—above ground and below.

Licensed & Insured | OR CCB #196119
📞 Call or text (503) 747-9312
Request a quote: https://blackrockunderground.com/contact/

Not all sewer replacements require major excavation.With trenchless pipe bursting sewer service replacement, we can repl...
04/03/2026

Not all sewer replacements require major excavation.

With trenchless pipe bursting sewer service replacement, we can replace your sewer line using small access points—like the ones shown here—while keeping your yard, landscaping, and hardscaping largely intact.

In this project, our team installed a new sewer line and cleanout access using minimal digging, reducing disruption while delivering a long-lasting solution.

✔ Smaller access areas
✔ Less damage to landscaping
✔ Efficient, reliable replacement

If you're dealing with sewer backups or an aging line, trenchless solutions may be the right fit.

Licensed & Insured | OR CCB #196119
📞 Call or text (503) 747-9312
Request a quote: https://blackrockunderground.com/contact/

04/01/2026

Is your drain backing up again? Noticing a strange smell near your home, or a soft spot in the yard that never dries out? 👋 That's your sewer line telling you something — and ignoring it only makes it worse.

Black Rock Underground has been helping homeowners across the Portland metro, Oregon, and SW Washington for over 13 years. Owner Cory Moore and his crew start with a camera inspection so you can actually see what's happening underground.

Here's what sets them apart:
✔️ Trenchless pipe bursting — your yard stays intact
✔️ Honest evaluation with clear options explained upfront
✔️ Licensed & insured in OR and WA
✔️ Restoration built into every job
✔️ Financing available for unexpected repairs

No high-pressure sales. No inflated quotes. Just 13+ years of doing it right the first time.

Get Your Free Sewer Evaluation 👉 blackrockunderground.com
Or call (503) 747-9312

Not every sewer problem requires tearing up your yard.With trenchless sewer solutions, our team can inspect, repair, or ...
03/20/2026

Not every sewer problem requires tearing up your yard.

With trenchless sewer solutions, our team can inspect, repair, or replace your sewer line with minimal disruption to your landscaping, driveway, and property.

At Black Rock Underground, we offer:

✔ Sewer scope camera inspections
✔ Trenchless sewer replacement
✔ Hydro-jet pipe cleaning
✔ Sewer line repair

Whether you're dealing with slow drains, backups, or aging pipes, we provide efficient, long-lasting solutions designed to keep your system flowing properly.

Licensed & Insured | OR CCB #196119
📞 Call or text (503) 747-9312
Request a quote: https://blackrockunderground.com/contact/

🚧 Project Spotlight: Trenchless Sewer Replacement in Beaverton, OR 🚧A homeowner in Beaverton was experiencing sewer back...
03/06/2026

🚧 Project Spotlight: Trenchless Sewer Replacement in Beaverton, OR 🚧

A homeowner in Beaverton was experiencing sewer backups caused by a failing concrete pipe. Traditional excavation would have required removing large trees and disrupting the property’s landscaping.

Our team at Black Rock Underground solved the problem using trenchless pipe bursting, allowing us to replace the sewer line while protecting the surrounding yard and landscape.

✔ Completed in just 1.5 days
✔ Minimal surface disruption
✔ Long-lasting sewer solution

Trenchless technology allows us to replace underground infrastructure quickly and efficiently while preserving the property above.

See the full project and photo gallery here: https://blackrockunderground.com/residential-sewer-replacement-via-trenchless-pipe-bursting-beaverton-or/

🚧 WE’RE HIRING 🚧Black Rock Underground is actively looking for a Sewer Scope Technician to join our team.If you have exp...
03/05/2026

🚧 WE’RE HIRING 🚧

Black Rock Underground is actively looking for a Sewer Scope Technician to join our team.

If you have experience with sewer inspections, diagnostics, and underground utility work, we’d love to hear from you.

We are also accepting applications for the following positions:

• General Laborer
• Pipelayer
• CDL Dump Truck Driver
• Certified Flagger
• Foreman

At Black Rock Underground, we offer competitive pay, steady project volume, and real opportunities for growth working on residential, commercial, and public works sewer projects across Oregon.

Experienced underground professionals — and established crews seeking long-term stability — are encouraged to apply.

Apply here: https://blackrockunderground.com/careers/

📞 (503) 747-9312
Licensed & Insured | OR CCB #196119

Public infrastructure installation takes precision, planning, and accountability.At Black Rock Underground, we partner w...
02/20/2026

Public infrastructure installation takes precision, planning, and accountability.

At Black Rock Underground, we partner with municipalities and public agencies to install critical infrastructure that communities rely on every day. From excavation to installation to restoration, our team focuses on doing the work right — safely, efficiently, and with minimal disruption.

What you can expect from our public works projects:

✔️ Sewer & stormwater system installation
✔️ Trenchless and traditional construction methods
✔️ Strict safety and compliance standards
✔️ Built-in restoration and site cleanup

We take pride in work that serves the public — and stands the test of time.

Licensed & Insured | OR CCB #196119
📞 Call or text (503) 747-9312
Request a quote 👉 https://blackrockunderground.com/contact/

Address

Hillsboro, OR
97124

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

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