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Cal-Tech PlumbingPlumber in Union City, CA

Cal-Tech Plumbing is a plumber at 4637 Ruth Way, Union City, CA 94587, rated 1.0 from 1 Google review. Open 24 hours a day, 7 days a week.

Union City, CA0 paid placements in any rankingHow we rank

Call (510) 431-3464

Key facts

Key facts about Cal-Tech Plumbing
Address4637 Ruth Way, Union City, CA 94587Get directions
Phone(510) 431-3464
HoursOpen 24 hours, 7 days a week
Google rating1.0 from 1 Google review

Trades

Each trade shows the evidence we matched it on.

  • Plumbingmain tradeGoogle main category

Service area

Serves Union City and 11 towns within 25 miles: Newark, Fremont, Hayward, Fairview, Cherryland, San Lorenzo, Castro Valley, Ashland, East Palo Alto, North Fair Oaks and Redwood Shores.

Based in Union City, CAView on map

Opening hours

Opening hours for Cal-Tech Plumbing
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

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

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Google

1.0from 1 Google reviews

Hired Cal-Tech Plumbing? Write a review

Questions about Cal-Tech Plumbing

What are Cal-Tech Plumbing’s hours?

Cal-Tech Plumbing is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Cal-Tech Plumbing serve?

Serves Union City and 11 towns within 25 miles: Newark, Fremont, Hayward, Fairview, Cherryland, San Lorenzo, Castro Valley, Ashland, East Palo Alto, North Fair Oaks and Redwood Shores. 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 Cal-Tech Plumbing?

Cal-Tech Plumbing has a rating of 1.0 from 1 Google review. 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 Cal-Tech Plumbing?

Call Cal-Tech Plumbing on (510) 431-3464. The business is at 4637 Ruth Way, Union City, CA 94587. Ask for a written estimate before any work starts.

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