Updated: Aug 17, 2026
Location and Projects
Address
Beaverton, OR, 97006
Use our bidding system to
request a quote
Black Rock Underground Plumber
Black Rock Underground LLC, Beaverton, OR (Employees: Cory Moore and Moore, Cory Michael) holds a Plumbing license and 2 other licenses according to the Oregon license board.
Their BuildZoom score of 117 ranks in the top 1% of 62,733 Oregon licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Black Rock Underground LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Black Rock Underground LLC Services
Start a project today:
Black Rock Underground LLC Contact Information
Phone Number: (503) 964-0694
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Black Rock Underground LLC Beaverton
Quality
117
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Black Rock Underground LLC has a BuildZoom score of 117, which places them above 99% of 62,733 contractors in Oregon.
Activity
|
98 projects
|
2025 |
|
93 projects
|
2024 |
|
82 projects
|
2023 |
Our building permit records indicate that Black Rock Underground LLC has worked on at least
273.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
83 projects
|
Home Additions |
|
32 projects
|
New Constructions |
|
4 projects
|
Commercial Renovations |
|
245 projects
|
Plumbing projects |
|
232 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Black Rock Underground LLC mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
1 project
|
$5k-$20k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Black Rock Underground LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
San conn: 245 lf of 12 csp main approx d=10 in se 76th ave. contractor shall construct new wye at curb install 6 cleanout in lateral most perpendicular to curb per cop standard details p-257 and rebuild both existing branches to property line. contractor to verify all depths and locations in field. contact x31026
Valuation:
N/A
Permit #:
2025-049299-000-00-UC
Status:
final
Fee:
N/A
Permit Type:
New connection
Building Type:
N/A
San conn only: 218 lf of 24 rcp public combo sewer main (approx d=10') in w. burnside st. contractor shall building new branch per standard p-262 and core drill tap (approx d=10') located in front of property address. contractor to verify all depths and locations in field. contact x37869
Valuation:
N/A
Permit #:
2025-020726-000-00-UC
Status:
final
Fee:
N/A
Permit Type:
New connection
Building Type:
N/A
San conn: 219 lf of 8 csp main in sw beaverton hillsdale highway. contractor to install 8"x6 tee into 8 main and prepare 6 branch to property per standard p-262. branch to extend through 3550 sw beaverton hillsdale highway across the sw beaverton hillsdale highway alleyway to property line. see attached map. contractor to verify all depths and connections in field. contact x31026
Valuation:
N/A
Permit #:
2025-019185-000-00-UC
Status:
final
Fee:
N/A
Permit Type:
New connection
Building Type:
N/A
*eplans* pipe burst replace the sanitary sewer lateral from the home to the sidewalk planter strip area. remove and repour 1 sidewalk panel black rock underground llc license no. : 196119 expiration date: 2/24/2026
Valuation:
N/A
Permit #:
ROW25-00016
Status:
complete
Fee:
$10
Permit Type:
N/A
Building Type:
N/A
Pipe burst replace the sanitary sewer lateral from the home to the curb at single family dwelling black rock underground llc license/registration no: pb1455 expiration date: 07/01/2026
Valuation:
N/A
Permit #:
PLM25-00394
Status:
issued
Fee:
$56
Permit Type:
Single-family
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location trenching. contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-050153-000-00-UR
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location trenching. contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-038356-000-00-UR
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location (burst). contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-047353-000-00-UR
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location bursting contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-032190-000-00-UR
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*eplans* pipe burst replace the sanitary sewer lateral from the home to the sidewalk area black rock underground llc license/registration no: pb1455 expiration date: 07/01/2026
Valuation:
N/A
Permit #:
PLM25-00181
Status:
complete
Fee:
$56
Permit Type:
Single-family
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location bursting. contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-016024-000-00-UR
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location (burst). contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-014606-000-00-UR
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location bursting. contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-010796-000-00-UR
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location bursting. contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-007728-000-00-UR
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location (burst). contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-006712-000-00-UR
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location bursting. contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-005382-000-00-UR
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to face of curb per city standard p-262; pbot note location bursting. contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-001393-000-00-UR
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family residence - 100 ft of sanitary sewer ***valid for work on private proprty only*** pipe burst replace the sanitary sewer lateral from the home to the road
Valuation:
N/A
Permit #:
PLMB-2500471
Status:
final
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
Contractor to replace existing lateral from property line to the edge of the city paved street area on sw 49th ave per city standard p-262; pbot note location bursting. contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2025-048179-000-00-UR
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Contractor replace existing lateral from property line to 14 feet from centerline of the city right-of-way (16 from sewer main in row) per city standard p-262; pbot note location trenching. contractor must verify depth/location and downstream connection point to public system in the field
Valuation:
N/A
Permit #:
2024-091097-000-00-UR
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
124
BZ Score
$6K
Avg Project
-
Projects
License # 236620
Oregon City, OR
122
BZ Score
$2.4K
Avg Project
-
Projects
126
BZ Score
$83.1K
Avg Project
-
Projects
Black Rock Underground LLC Reviews
BuildZoom hasn't received any reviews for Black Rock Underground LLC. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you a plumber in your area today
We'll search our vast network of Plumbers and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Black Rock Underground LLC License info
Verified License
| License # | PB1455 |
| Status | Active |
| State | Oregon |
| Type | Plumbing |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Black Rock Underground LLC at the Oregon Building Codes Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 196119 |
| Status | Active |
| State | Oregon |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Black Rock Underground LLC at the Oregon Construction Contractors Board (CCB).
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BLACKRU812NF |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Black Rock Underground LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
117
BuildZoom Score
Insured
| Insurer | Cincinnati Insurance Company (The) |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $20,000 |
1.2K
Permits
- Building permit records show that Black Rock Underground LLC has worked on 1162 permitted projects.
Black Rock Underground LLC Employees
CM
Cory Moore
Partner/Member
MM
Moore, Cory Michael
Member Limited Liability Company