🔧 Official Rankings
10 Best Plumbers in Newark, DE (September 2026)
We compared 10 plumbers serving Newark and New Castle County, Delaware, and ranked the top providers by verified reviews, ratings, and local reputation — 13,285 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by The Water Heater Company. Updated for September 2026.
- Plumbers ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 13,285
- Area code
- 302
The Water Heater Company
⭐ 5.0 · 74 reviews
1917 Capitol Tr, Newark, DE 19711
Boulden Brothers
⭐ 4.8 · 2664 reviews
107 Sandy Dr Building 700, Newark, DE 19713
Delaware Plumbing Professionals
⭐ 4.8 · 2171 reviews
300 E Ayre St, Wilmington, DE 19804
Roto-Rooter Plumbing & Water Cleanup
⭐ 4.8 · 2087 reviews
1001 Dawson Dr, Newark, DE 19713
J.F. Sobieski Mechanical Contractors, Inc.
⭐ 4.7 · 5862 reviews
1325 Old Cooch's Bridge, Newark, DE 19713
Joseph Frederick & Sons
⭐ 4.7 · 172 reviews
810 Stanton Rd, Wilmington, DE 19804
Plumbers listed here serve Newark, New Castle County, and nearby ZIP codes including 19702, 19711, 19712, 19713, 19714, 19715, 19716, 19717, 19718, 19725, 19726.