Sierra Excavation & Construction
Excavation Company in Portland, OR4.9 Google rating, 57 reviews7 reviews in the last 12 monthsMost recent review 2026-09-23In business since 1999 (business states)Claimed on Google
About
Sierra Excavation & Construction LLC is a trusted specialist and sewer and waterline repairs, cesspool decommissioning, and rain drain repairs. Located in the Portland metro area we have probably served our community for 27 years delivering high-quality workmanship and exceptional customer service. Our experience team is dedicated to providing reliable solutions for all your sewer and waterline needs.
Description written by the business.
Services
- Excavation
Prices mentioned
- $6000 for unspecified (review, 2017-06-26)
- $1000 for unspecified (review, 2017-06-26)
What reviews mention
- sewer issues 30
- sewer line replacement 19
- polite staff 7
- friendly staff 6
- inspection 5
- sewer connection 3
- water line replacement 2
- cesspool decommissioning 2
- yard cleanup 2
- responsive team 2
Recent reviews
We've had issues with our 100 year old basement drain and plumbing. Ubaldo has been professional, reliable, and honest about issues whereas other companies haven't or weren't able to solve easily. The team fixed problems in an hour whereas other companies quoted us thousands of d...
I had never had a sewer line replaced before, so I was pretty worried about the process. Thankfully, there was nothing to worry about with Sierra Excavation & Construction. What started as a simple sewer line replacement became more complicated than expected. Ubaldo and his team...
They fixed a rather long sewer under the driveway that had busted overtime. They used a technique called, "pipe bursting". Sierra clearly knew what they were doing... they were on time, focused and competent. Communication was lacking on occasion, but I trusted them and would ...
Knowledgable and transparent on all aspects of the job from locating utilities, code, signage/permits to excavation details in tight downtown location, Quality crew. Sierra was the second contractor on the job and was superior in cost, transparency and job knowledge. Thanks Ubald...
Hours
| Mon | 8 am to 6 pm |
|---|---|
| Tue | 8 am to 6 pm |
| Wed | 8 am to 6 pm |
| Thu | 8 am to 6 pm |
| Fri | 8 am to 6 pm |
| Sat | 8:30 am to 2 pm |
| Sun | Closed |
Business details
- wheelchair accessible parking
Contact Sierra Excavation & Construction
- (503) 492-9242
- 4644 NE 118th Ave, Portland, OR 97220
- 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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