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Best Septic System Installation in Riverhead, NY

Compare 25 local septic system installation providers in Riverhead. Verified listings with real contact info.

25 verified providers · Updated 2026-04-19

Quick Compare

1

East End Cesspool Service

5.0 ★ (10 reviews)

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2

Island Cesspool Pumping

5.0 ★ (1 reviews)

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3

Clifford's Cesspool Service

5.0 ★ (9 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

Island Cesspool Pumping

5.0 (1 reviews)
1074 Pulaski St, Riverhead, NY 11901
Open 24 Hours
3

Clifford's Cesspool Service

5.0 (9 reviews)
229 Hubbard Ave, Riverhead, NY 11901
Open 24 Hours
4

JC cesspool services INC

4.8 (13 reviews)
204 Montauk Hwy, Speonk, NY 11972
Open 24 Hours
5

Bay Area Sewer & Drain Service, Inc

5.0 (1 reviews)
40 Seatuck Ave, Eastport, NY 11941
Open 24 Hours
6

suffolk county septic systems

5.0 (3 reviews)
4 Laila Ln, Remsenburg, NY 11960
Mon–Fri 9am–5pm · Sat–Sun Closed
7

Brothers Three Cesspools

5.0 (21 reviews)
7 Emerson Ct, Hampton Bays, NY 11946
Open 24 Hours
8

Morris Cesspool Service Inc.

5.0 (46 reviews)
35650 Middle Rd Unit 3, Peconic, NY 11958
Open 24 Hours
9

South Fork Septic

5.0 (292 reviews)
76 B Mariner Dr, Southampton, NY 11968
Mon–Fri 7am–4pm · Sat–Sun Closed
10

Direct Drainage Inc.

4.7 (85 reviews)
363 N Dunton Ave, East Patchogue, NY 11772
Mon–Sun 12am–11:30pm
11

SewerTech Cesspool & Drain

5.0 (180 reviews)
91a Southaven Ave, Medford, NY 11763
Open 24 Hours
12

Perfect Pumping LLC

4.9 (73 reviews)
6 Arthur Ave, Centereach, NY 11720
Mon–Sun 7am–9pm
13

Vecchio Cesspool

4.8 (60 reviews)
50 Joan Ave, Centereach, NY 11720
Open 24 Hours
14

Suffolk County Cesspool Service

4.8 (154 reviews)
652 Union Ave, Holtsville, NY 11742
Mon–Sun 6am–10pm
15

Best Flo Cesspool Service Suffolk County

4.5 (86 reviews)
118 Division Ave, Blue Point, NY 11715
Open 24 Hours
16

Quackenbush Cesspools Inc

5.0 (529 reviews)
74 Montauk Hwy Suite #18, East Hampton, NY 11937
Open 24 Hours
17

Jet Cesspool Service

4.9 (93 reviews)
1513 Church St, Holbrook, NY 11741
Open 24 Hours
18

Clear River Environmental

4.7 (180 reviews)
847 11th St, Ronkonkoma, NY 11779
Mon–Sun 7am–10pm
19

Anderson Bros Sanitation & Excavating Inc

4.9 (101 reviews)
3-B, Nod Pl, CLINTON
Open 24 Hours
20

AAA Dependable Cesspool, Sewer & Drain Service Inc.

4.9 (78 reviews)
2281 Motor Pkwy, Ronkonkoma, NY 11779
Open 24 Hours
21

Four Seasons Cesspool

5.0 (246 reviews)
169 Smithtown Blvd, Nesconset, NY 11767
Open 24 Hours
22

Rescue Cesspool & Drain

4.8 (197 reviews)
1777 Veterans Memorial Hwy Suite 5, Islandia, NY 11749
Open 24 Hours
23

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
24

Discount Cesspool & Drain Inc.

4.9 (472 reviews)
240 Gibbs Rd, Islandia, NY 11749
Open 24 Hours
25

Hamptons Septic Services, Inc.

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

Frequently Asked Questions

How much does a new septic system cost in New York?

A conventional septic system typically costs $15,000 to $30,000, depending on local permitting complexity, soil conditions, and labor costs. Alternative systems (mound systems, drip irrigation, FAST systems) required in certain areas cost even more.

What permits are needed for septic installation in New York?

You need a Soil Evaluation approval from your local board of health and a Construction Permit before installation. All work must comply with 10 NYCRR Part 75. In some areas, additional regional commission approvals may be required. The permitting process typically takes 2-4 months.

How long does septic system installation take in New York?

The physical installation usually takes 3-7 days for a conventional system. However, the entire process from initial soil testing through final inspection can take 3-6 months due to comprehensive permitting requirements.

What type of septic system do I need in New York?

The system type is largely determined by your local board of health applying NYSDOH standards under 10 NYCRR Part 75, with NYSDEC conditions when sites affect wetlands, streams, or other protected waters, based on soil percolation results, lot size, setback distances, and proximity to wells or water bodies. Many properties in certain areas require alternative systems due to high water tables, poorly draining soils, or tight lot configurations.

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