Maine Extension & Soil Testing Directory
Find your local Maine County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: UMaine Soil Testing Service
Standard Fee: $18 routine soil test with organic matter
Turnaround Time: 5 to 7 business days
State residents can obtain soil sample bags and submittal forms at any local county extension branch.
🌱 State Growing Conditions
Soil Types: Glacial Marine Silt Loam & Acidic Forest Soil
Hardiness Zones: Zone 3b / 6a
Popular Crops: Blueberries, potatoes, apples, brassicas, cold-hardy greens
Maine soils are acid-leaning; blueberries love natural pH 4.5-5.2, but vegetable gardens require lime.
Featured County Directories in Maine (16 Listings)
Androscoggin County
Extension Office: University of Maine Extension - Androscoggin County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Aroostook County
Extension Office: University of Maine Extension - Aroostook County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Cumberland County
Extension Office: University of Maine Extension - Cumberland County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Franklin County
Extension Office: University of Maine Extension - Franklin County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Hancock County
Extension Office: University of Maine Extension - Hancock County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Kennebec County
Extension Office: University of Maine Extension - Kennebec County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Knox County
Extension Office: University of Maine Extension - Knox County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Lincoln County
Extension Office: University of Maine Extension - Lincoln County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Oxford County
Extension Office: University of Maine Extension - Oxford County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Penobscot County
Extension Office: University of Maine Extension - Penobscot County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Piscataquis County
Extension Office: University of Maine Extension - Piscataquis County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Sagadahoc County
Extension Office: University of Maine Extension - Sagadahoc County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Somerset County
Extension Office: University of Maine Extension - Somerset County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Waldo County
Extension Office: University of Maine Extension - Waldo County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
Washington County
Extension Office: University of Maine Extension - Washington County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
York County
Extension Office: University of Maine Extension - York County
Soil Lab Fee: $18 routine soil test with organic matter
Phone: (230) 555-0199
📦 Recommended Mail-In Soil Test Kits & Meters
FTC Affiliate Disclosure: We may earn a commissionIf you need immediate results without waiting for university mail-in lab turnaround times, these top-rated professional home soil test kits provide fast pH, N, P, and K diagnostic analysis:
MySoil Soil Test Kit
Professional mail-in kit analyzed by accredited labs. Returns 13 essential nutrient values (N, P, K, pH, Micronutrients) & customized fertilizer recommendations via app.
Luster Leaf Rapitest 1601
Popular color-comparator kit for 10 instant soil tests (pH, Nitrogen, Phosphorus, Potash). Includes tailored plant preference chart.
Sonkir 3-in-1 Soil Tester
Instant probe sensor for soil moisture, pH, and sunlight levels. Requires no batteries. Perfect for potted plants, lawns, and raised beds.
📋 Request Local Extension & Lawn Testing Assistance in Maine Statewide
Need help interpreting your lab results or finding local agricultural extension agents? Fill out the brief form below:
Frequently Asked Questions: Maine Soil & Extension
How do I get my soil tested in Maine?
To test your soil in Maine, collect 10 to 12 soil cores from a depth of 4 to 6 inches across your garden or field, air-dry the sample indoors, fill out your county extension submission form, and submit it to UMaine Soil Testing Service or your local county extension office.
How much does soil testing cost in Maine?
Routine soil fertility analysis in Maine typically costs $18 routine soil test with organic matter. Turnaround time for results is usually 5 to 7 business days.
Does every county in Maine have a Cooperative Extension Office?
Yes. Every county in Maine is served by the state's Land-Grant University Extension system. While our directory highlights primary regional office hubs and university labs, local extension agents serve horticulturists, farmers, and home gardeners across all counties in Maine.
Written & Verified by Sahajul
Verified Author & Founder
Sahajul is an independent agricultural data researcher based in India and founder of LocalSoilLab.com. He specializes in compiling, structuring, and verifying US land-grant university extension services, soil lab testing fee schedules, and county Master Gardener contact directories directly from official .edu and USDA NIFA portals.