Best Drain Cleanings in Diamond Bar, CA (2026)

8 verified businesses · Sorted by rating & reviews

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1

Roto-Rooter Plumbing & Water Cleanup

Google★★★★½4.81.2k reviews
905 Westminster Ave Suite A, Alhambra, CA 91803
+1562-582-1087
Plumber
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2

L.A to O.C Plumbing Pro

Google★★★★★5107 reviews
→ Stable·3 mo: 5★ (3)·6 mo: 5★ (12)
Staff:+Mando (2)
+1323-239-8505
Plumber
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3

Mr Drain Saver Plumbing & Rooter.

Google★★★★★559 reviews
1148 Knoll Dr, Monterey Park, CA 91754
+1626-320-2888
Plumber
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4

Caden's Plumbers

Google★★★★½4.764 reviews
→ Stable·3 mo: 4.8★ (10)·6 mo: 4.9★ (20)
Staff:+Jonah (2)+Bradley (2)
417 Bauchet St #1863, Los Angeles, CA 90012
+1213-634-2296
Plumber
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5

Trenchless Sewer Plumbing Inc.

Google★★★★½4.553 reviews
5003 Loleta Ave, Los Angeles, CA 90041
+1323-615-3843
Plumber
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6

The Drain Company

Google★★★★½4.628 reviews
+1818-344-1114
Plumber
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7

Precision Emergency Plumber Los Angeles

Google★★★★★516 reviews
→ Stable·3 mo: 5★ (12)·6 mo: 5★ (16)
412 Colyton St, Los Angeles, CA 90013
+1213-451-6567
Plumber
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8

Mr. Speedy Plumbing & Rooter Inc.

Google★★★★☆4.115 reviews
3130 E Olympic Blvd, Los Angeles, CA 90023
+1323-928-3006
Plumber
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