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Superior UndergroundExcavating contractor in Portland, OR

Superior Underground is an excavating contractor at 6400 SE 101st Ave UNIT 3, Portland, OR 97266, ranked #25 of 240 excavating contractors in Portland and rated 5.0 from 9 Google reviews. Open Monday to Saturday.

Portland, ORUpdated 0 paid placements in any rankingHow we rank

Call (503) 744-6905Website ↗

Key facts

Key facts about Superior Underground
Address6400 SE 101st Ave UNIT 3, Portland, OR 97266Get directions
Phone(503) 744-6905
Websitesuperiorunderground.net
HoursMonday to Friday: 7:30 AM – 5:30 PM; Saturday: 8 AM – 4 PM
Google rating5.0 from 9 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Excavatingmain tradeGoogle main category
  • Plumbingadditional Google category

Service area

Serves Portland and 11 towns within 25 miles: Lents, Happy Valley, Milwaukie, Oatfield, Clackamas, Oak Grove, Jennings Lodge, Damascus, Lake Oswego, Gresham and Gladstone.

Based in Portland, ORView on map

Opening hours

Opening hours for Superior Underground
DayHours
Monday7:30 AM – 5:30 PM
Tuesday7:30 AM – 5:30 PM
Wednesday7:30 AM – 5:30 PM
Thursday7:30 AM – 5:30 PM
Friday7:30 AM – 5:30 PM
Saturday8 AM – 4 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 9 Google reviews

Hired Superior Underground? Write a review

Questions about Superior Underground

How is Superior Underground ranked in Portland?

Superior Underground is ranked #25 of 240 excavating contractors in Portland by CR Score, with 56 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Superior Underground’s hours?

Superior Underground is open Monday to Saturday. Its listed hours are Monday to Friday, 7:30 AM – 5:30 PM; Saturday, 8 AM – 4 PM. On Saturdays it is open 8 AM to 4 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Superior Underground serve?

Serves Portland and 11 towns within 25 miles: Lents, Happy Valley, Milwaukie, Oatfield, Clackamas, Oak Grove, Jennings Lodge, Damascus, Lake Oswego, Gresham and Gladstone. The list is based on the business's location and the usual service radius for excavating and grading. Confirm your address is covered when you call.

What do Google reviews say about Superior Underground?

Superior Underground has a rating of 5.0 from 9 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Superior Underground?

Call Superior Underground on (503) 744-6905. The business is at 6400 SE 101st Ave UNIT 3, Portland, OR 97266. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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Compare nearby excavating contractors

Superior Underground compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Superior Underground (this business)—565.0 (9)—YesNo
PDX DIGGER LLC#23564.7 (15)—YesNo2.8 mi
Young Electric LLC#24564.8 (1,419)—NoNo10.8 mi
Rudiger Ted Excavation#26564.6 (9)———13.8 mi

See all 240 ranked excavating contractors in Portland