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Best Septic System Repair in Riverhead, NY

Compare 24 local septic system repair providers in Riverhead. Verified listings with real contact info.

24 verified providers · Updated 2026-04-19

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1

East End Cesspool Service

5.0 ★ (10 reviews)

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2

Clifford's Cesspool Service

5.0 ★ (9 reviews)

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3

Bay Area Sewer & Drain Service, Inc

5.0 ★ (1 reviews)

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1

East End Cesspool Service

5.0 (10 reviews)
981 E Main St, Riverhead, NY 11901
Open 24 Hours
2

Clifford's Cesspool Service

5.0 (9 reviews)
229 Hubbard Ave, Riverhead, NY 11901
Open 24 Hours
3

Bay Area Sewer & Drain Service, Inc

5.0 (1 reviews)
40 Seatuck Ave, Eastport, NY 11941
Open 24 Hours
4

suffolk county septic systems

5.0 (3 reviews)
4 Laila Ln, Remsenburg, NY 11960
Mon–Fri 9am–5pm · Sat–Sun Closed
5

Brothers Three Cesspools

5.0 (21 reviews)
7 Emerson Ct, Hampton Bays, NY 11946
Open 24 Hours
6

Morris Cesspool Service Inc.

5.0 (46 reviews)
35650 Middle Rd Unit 3, Peconic, NY 11958
Open 24 Hours
7

South Fork Septic Services Corporation

4.9 (7 reviews)
Southampton, NY 11968, USA
Open 24 Hours
8

South Fork Septic

5.0 (292 reviews)
76 B Mariner Dr, Southampton, NY 11968
Mon–Fri 7am–4pm · Sat–Sun Closed
9

SewerTech Cesspool & Drain

5.0 (180 reviews)
91a Southaven Ave, Medford, NY 11763
Open 24 Hours
10

Perfect Pumping LLC

4.9 (73 reviews)
6 Arthur Ave, Centereach, NY 11720
Mon–Sun 7am–9pm
11

Vecchio Cesspool

4.8 (60 reviews)
50 Joan Ave, Centereach, NY 11720
Open 24 Hours
12

Best Flo Cesspool Service Suffolk County

4.5 (86 reviews)
118 Division Ave, Blue Point, NY 11715
Open 24 Hours
13

Battlin' Barry's Cesspool Sewe

4.8 (117 reviews)
444 St James St, Holbrook, NY 11741
Open 24 Hours
14

Quackenbush Cesspools Inc

5.0 (529 reviews)
74 Montauk Hwy Suite #18, East Hampton, NY 11937
Open 24 Hours
15

Jet Cesspool Service

4.9 (93 reviews)
1513 Church St, Holbrook, NY 11741
Open 24 Hours
16

Clear River Environmental

4.7 (180 reviews)
847 11th St, Ronkonkoma, NY 11779
Mon–Sun 7am–10pm
17

Anderson Bros Sanitation & Excavating Inc

4.9 (101 reviews)
3-B, Nod Pl, CLINTON
Open 24 Hours
18

AAA Dependable Cesspool, Sewer & Drain Service Inc.

4.9 (78 reviews)
2281 Motor Pkwy, Ronkonkoma, NY 11779
Open 24 Hours
19

Four Seasons Cesspool

5.0 (246 reviews)
169 Smithtown Blvd, Nesconset, NY 11767
Open 24 Hours
20

Reputable Cesspool & Drain

5.0 (115 reviews)
769 Smithtown Bypass unit A, Smithtown, NY 11787
Open 24 Hours
21

Rescue Cesspool & Drain

4.8 (197 reviews)
1777 Veterans Memorial Hwy Suite 5, Islandia, NY 11749
Open 24 Hours
22

Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island

4.9 (628 reviews)
180 Blydenburgh Rd, Islandia, NY 11749
Mon–Sat 24hrs · Sun 6am–6pm
23

Discount Cesspool & Drain Inc.

4.9 (472 reviews)
240 Gibbs Rd, Islandia, NY 11749
Open 24 Hours
24

Hamptons Septic Services, Inc.

5.0 (665 reviews)
36 Bunker Hill Rd, Amagansett, NY 11930
Open 24 Hours

Frequently Asked Questions

What's the difference between septic tank repair and septic system repair?

Septic tank repair focuses on the tank itself. Septic system repair addresses the entire system, including the drain field, distribution box, pipes, and pump. System-level repairs require permits and must be performed by licensed contractors under NYSDOH standards (10 NYCRR Part 75) and your local board of health's permitting oversight.

How long does a septic system last before needing major repairs in New York?

A well-maintained septic system typically lasts 25-30 years. In New York, certain Long Island, New York City watershed, and other state-designated source-water protection areas must meet additional standards due to aquifer protection requirements. Coastal and high water table areas may see shorter drain field lifespans.

What causes septic drain field failure?

Common causes include lack of regular pumping (solids clog the drain field), excessive water use, flushing non-degradable items, parking vehicles on the field, and planting trees too close. High water tables in some areas and certain soil types make drain field failures more common.

Can a failed drain field be repaired or must it be replaced?

Sometimes drain fields can be restored through aeration or resting the field. However, severely failed fields typically need replacement, which requires a new site evaluation, soil test, and permit from your local board of health. Replacement can be significantly more complex and expensive due to lot size constraints in dense areas.

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