Best Sewer Line Repairs in Diamond Bar, CA (2026)

10 verified businesses · Sorted by rating & reviews

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1

A-1 Total Service Plumbing

Google★★★★½4.91.5k reviews
Yelp4.5 stars4.6437 reviews
↓ Declining·3 mo: 4.7★ (11)·6 mo: 4.9★ (24)
640 S Atlantic Blvd, Los Angeles, CA 90022
+1323-643-2844
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2

Roto-Rooter Plumbing & Water Cleanup

Google★★★★½4.81.2k reviews
905 Westminster Ave Suite A, Alhambra, CA 91803
+1562-582-1087
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3

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
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4

New Generation Plumbing

Google★★★★½4.7146 reviews
5113 N Figueroa St, Los Angeles, CA 90042
+1323-274-4863
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

Gopar's Plumbing

Google★★★★★527 reviews
124 Sycamore Park Dr, Los Angeles, CA 90031
+1323-336-0721
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7

The Drain Company

Google★★★★½4.628 reviews
+1818-344-1114
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8

Langford Plumbing Co

Google★★★★½4.824 reviews
3633 Slauson Ave suite 879, Maywood, CA 90270
+1213-772-7413
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9

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
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10

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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