BackflowNear Test-Due Reminder

Backflow testing in Chesterfield, MO

134 backflow testing businesses work within 25 miles of Chesterfield, 8 of them based in town. Every one has testers on Missouri's certified backflow tester roster.

134 businesses within 25 miles
26 for-hire testers based in Chesterfield

Certified backflow testers near Chesterfield

Chesterfield Service

100/100
✓ MO Certified Backflow Tester Verified #32-9598 ★ 4.9 (4483 reviews) 2 certified testers Backflow Testing

245 Chesterfield Industrial Blvd, Chesterfield, MO 63005 · under 1 mile from Chesterfield

Call (636) 532-5841 Details Website

Verified Oct 2026 · Unclaimed listing

Builders Bloc

100/100
✓ MO Certified Backflow Tester Verified #06-1893 ★ 3.4 (18 reviews) 2 certified testers Backflow Testing

285 Chesterfield Business Pkwy, Chesterfield, MO 63005 · under 1 mile from Chesterfield

Call (314) 336-0200 Details Website

Verified Oct 2026 · Unclaimed listing

Parkway Construction Services

100/100
✓ MO Certified Backflow Tester Verified #06-12276 ★ 5 (3 reviews) 3 certified testers Backflow Testing

141 Chesterfield Industrial Blvd, Chesterfield, MO 63005 · under 1 mile from Chesterfield

Call (636) 561-5730 Details Website

Verified Oct 2026 · Unclaimed listing

Chesterfield Irrigation

100/100
✓ MO Certified Backflow Tester Verified #34-10712 ★ 3.5 (33 reviews) 4 certified testers Backflow Testing

727 Spirit of Saint Louis Blvd, Chesterfield, MO 63005 · 2 mi from Chesterfield

Call (636) 537-9795 Details Website

Verified Oct 2026 · Unclaimed listing

Trio Plumbing Co.

100/100
✓ MO Certified Backflow Tester Verified #06-9200 ★ 4 (149 reviews) 4 certified testers Backflow Testing

2138 Hunters Way Ct, Chesterfield, MO 63017 · 3 mi from Chesterfield

Call (636) 537-4938 Details Website

Verified Oct 2026 · Unclaimed listing

Metro Lawn Sprinklers

100/100
✓ MO Certified Backflow Tester Verified #34-9140 ★ 4.9 (851 reviews) 11 certified testers Backflow Testing

291 Indacom Dr, St Peters, MO 63376 · 9 mi from Chesterfield

Call (636) 936-8243 Details Website

Verified Oct 2026 · Unclaimed listing

GDS Irrigation

100/100
✓ MO Certified Backflow Tester Verified #43-8400 ★ 4.7 (50 reviews) 3 certified testers Backflow Testing

200 Clearview Dr, St Charles, MO 63303 · 10 mi from Chesterfield

Call (636) 724-8191 Details Website

Verified Oct 2026 · Unclaimed listing

Ozark Mechanical

100/100
✓ MO Certified Backflow Tester Verified #13-14144 ★ 5 (193 reviews) 2 certified testers Backflow Testing

2108 Parkway Dr, St Peters, MO 63376 · 10 mi from Chesterfield

Call (636) 317-1234 Details Website

Verified Oct 2026 · Unclaimed listing

Harvestowne Irrigation

100/100
✓ MO Certified Backflow Tester Verified #34-9317 ★ 4 (26 reviews) 12 certified testers Backflow Testing

326 Depot St, St Peters, MO 63376 · 10 mi from Chesterfield

Call (636) 970-0208 Details Website

Verified Oct 2026 · Unclaimed listing

Mechanical Solutions

100/100
✓ MO Certified Backflow Tester Verified #13-8149 ★ 4 (5 reviews) 5 certified testers Backflow Testing

2030 Altom Ct, St. Louis, MO 63146 · 10 mi from Chesterfield

Call (314) 342-1480 Details Website

Verified Oct 2026 · Unclaimed listing

Prestige Landscape

90/100
✓ MO Certified Backflow Tester Verified #34-14540 ★ 4.7 (7 reviews) Backflow Testing

108 N Eatherton Rd, Chesterfield, MO 63005 · 3 mi from Chesterfield

Call (636) 375-2221 Details Website

Verified Oct 2026 · Unclaimed listing

JJ Kokesh & Son

90/100
✓ MO Certified Backflow Tester Verified #06-10959 ★ 4.8 (271 reviews) 3 certified testers Backflow Testing

408 Kehrs Mill Rd, Ballwin, MO 63011 · 6 mi from Chesterfield

Call (636) 391-1233 Details Website

Verified Oct 2026 · Unclaimed listing

Out Door Décor

90/100
✓ MO Certified Backflow Tester Verified #34-2777 ★ 5 (17 reviews) Backflow Testing

553 Kimberly Ln, St Peters, MO 63376 · 7 mi from Chesterfield

Call (636) 697-2311 Details Website

Verified Oct 2026 · Unclaimed listing

O'Hara Landscaping

90/100
✓ MO Certified Backflow Tester Verified #34-8767 ★ 3.7 (67 reviews) Backflow Testing

11777 Clayton Rd, St. Louis, MO 63131 · 10 mi from Chesterfield

Call (314) 692-7171 Details Website

Verified Oct 2026 · Unclaimed listing

Best Outdoor LLC

80/100
✓ MO Certified Backflow Tester Verified #34-1701 Backflow Testing

18518 Melrose Rd, Wildwood, MO 63038 · 8 mi from Chesterfield

Call (636) 345-2378 Details

Verified Oct 2026 · Unclaimed listing

Deluca Plumbing

100/100
✓ MO Certified Backflow Tester Verified #06-10229 ★ 2.6 (10 reviews) 18 certified testers Backflow Testing

2466 Old Dorsett Rd, Maryland Heights, MO 63043 · 10 mi from Chesterfield

Call (314) 427-5551 Details Website

Verified Oct 2026 · Unclaimed listing

OJ Laughlin

100/100
✓ MO Certified Backflow Tester Verified #06-9600 ★ 4.1 (55 reviews) 13 certified testers Backflow Testing

300 St Louis Ave, Valley Park, MO 63088 · 10 mi from Chesterfield

Call (636) 225-0992 Details Website

Verified Oct 2026 · Unclaimed listing

Lawn Masters Inc

100/100
✓ MO Certified Backflow Tester Verified #34-8475 ★ 4.6 (212 reviews) 2 certified testers Backflow Testing

709 Glover Ave, Valley Park, MO 63088 · 10 mi from Chesterfield

Call (636) 230-0700 Details Website

Verified Oct 2026 · Unclaimed listing

Green Turf Irrigation

100/100
✓ MO Certified Backflow Tester Verified #34-9805 ★ 4.9 (584 reviews) 7 certified testers Backflow Testing

73 Millwell Ct, Maryland Heights, MO 63043 · 11 mi from Chesterfield

Call (314) 739-0410 Details Website

Verified Oct 2026 · Unclaimed listing

FDF Plumbing

100/100
✓ MO Certified Backflow Tester Verified #06-3396 2 certified testers Backflow Testing

320 Cahoon Dr, Eureka, MO 63025 · 11 mi from Chesterfield

Call (636) 492-3220 Details Website

Verified Oct 2026 · Unclaimed listing

Jarrell Mechanical

100/100
✓ MO Certified Backflow Tester Verified #13-13423 ★ 3.7 (25 reviews) 42 certified testers Backflow Testing

4208 Rider Trail N, Earth City, MO 63045 · 11 mi from Chesterfield

Call (314) 291-0100 Details Website

Verified Oct 2026 · Unclaimed listing

E&M Plumbing

100/100
✓ MO Certified Backflow Tester Verified #06-0062 ★ 4.6 (47 reviews) 5 certified testers Backflow Testing

101 Dreyer Ave, Eureka, MO 63025 · 11 mi from Chesterfield

Call (636) 938-1311 Details Website

Verified Oct 2026 · Unclaimed listing

Finch Plumbing

100/100
✓ MO Certified Backflow Tester Verified #06-9187 ★ 4.7 (3 reviews) 8 certified testers Backflow Testing

3377 Hollenberg Dr, Bridgeton, MO 63044 · 12 mi from Chesterfield

Call (314) 291-4300 Details Website

Verified Oct 2026 · Unclaimed listing

Never miss your annual backflow test

Most water utilities require the backflow assembly on an irrigation, fire or commercial line to be tested every year, and a missed test can mean a shutoff notice. Tell us when yours was last tested in Chesterfield and we'll text you a month before it is due, with certified local testers ready to book.

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Backflow testing questions in Chesterfield

Who can test a backflow preventer in Chesterfield?

A tester certified by Missouri Department of Natural Resources. Your water utility may also keep its own list of testers allowed to file reports. Check the notice your utility sent.

How many certified backflow testers are based in Chesterfield?

26 testers who test for the public list Chesterfield as their base on Missouri's roster, and 134 testing businesses are within 25 miles.

How often do I need a backflow test?

Most utilities require a test when the assembly is installed and then every year. Your utility's notice gives the due date and how the tester files the report.

Roster: Missouri Department of Natural Resources, read October 6, 2026.

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