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Dias & Sons DrainagePlumber in Santa Rosa, CA

Dias & Sons Drainage is a plumber at 4595 Sonoma Hwy, Santa Rosa, CA 95409, ranked #25 of 34 excavating contractors in Santa Rosa and rated 5.0 from 3 Google reviews.

Santa Rosa, CAUpdated 0 paid placements in any rankingHow we rank

Call (707) 578-5545

Key facts

Key facts about Dias & Sons Drainage
Address4595 Sonoma Hwy, Santa Rosa, CA 95409Get directions
Phone(707) 578-5545
Google rating5.0 from 3 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Plumbingmain tradeGoogle main category
  • Excavatingadditional Google category

Service area

Serves Santa Rosa and 11 towns within 25 miles: Roseland, Larkfield-Wikiup, Rohnert Park, Sebastopol, Cotati, Calistoga, Windsor, Saint Helena, Boyes Hot Springs, Healdsburg and Petaluma.

Based in Santa Rosa, CAView on map

Typical plumbing prices

Typical plumbing prices
JobLowTypicalHigh
Water heater replacementPer unit, installed (unit plus labor); typical range of customer-reported jobs. US national range$882$1,348$1,826

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 3 Google reviews

Hired Dias & Sons Drainage? Write a review

Questions about Dias & Sons Drainage

How is Dias & Sons Drainage ranked in Santa Rosa?

Dias & Sons Drainage is ranked #25 of 34 excavating contractors in Santa Rosa by CR Score, with 48 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 areas does Dias & Sons Drainage serve?

Serves Santa Rosa and 11 towns within 25 miles: Roseland, Larkfield-Wikiup, Rohnert Park, Sebastopol, Cotati, Calistoga, Windsor, Saint Helena, Boyes Hot Springs, Healdsburg and Petaluma. The list is based on the business's location and the usual service radius for plumbing. Confirm your address is covered when you call.

What do Google reviews say about Dias & Sons Drainage?

Dias & Sons Drainage has a rating of 5.0 from 3 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 Dias & Sons Drainage?

Call Dias & Sons Drainage on (707) 578-5545. The business is at 4595 Sonoma Hwy, Santa Rosa, CA 95409. 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 plumbers

Dias & Sons Drainage compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Dias & Sons Drainage (this business)—485.0 (3)———
Santiago General Engineering#23495.0 (3)—YesYes9.6 mi
Taurian Construction#24495.0 (7)—YesYes16.2 mi
E K Excavating, Inc.#26485.0 (3)—NoNo19.2 mi

See all 34 ranked excavating contractors in Santa Rosa