Texas Extension & Soil Testing Directory
Find your local Texas County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: Texas A&M Soil, Water and Forage Testing Laboratory
Standard Fee: $12 routine soil analysis sample
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: Blackland Prairie Clay & Gulf Coast Sandy Loam
Hardiness Zones: Zone 7b / 10a
Popular Crops: Cotton, watermelons, citrus, pecans, St. Augustine turf
Blackland prairie soils are heavy clay with high pH; coastal soils need frequent organic matter.
Featured County Directories in Texas (13 Listings)
Harris County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Harris County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (482) 555-0199
Dallas County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Dallas County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (481) 555-0199
Tarrant County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Tarrant County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (484) 555-0199
Bexar County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Bexar County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (480) 555-0199
Travis County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Travis County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (484) 555-0199
Collin County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Collin County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (480) 555-0199
Denton County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Denton County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (481) 555-0199
El Paso County
Extension Office: Texas A&M University (AgriLife Extension) Extension - El Paso County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (481) 555-0199
Fort Bend County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Fort Bend County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (481) 555-0199
Hidalgo County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Hidalgo County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (482) 555-0199
Montgomery County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Montgomery County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (483) 555-0199
Williamson County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Williamson County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (484) 555-0199
Brazos County
Extension Office: Texas A&M University (AgriLife Extension) Extension - Brazos County
Soil Lab Fee: $12 routine soil analysis sample
Phone: (480) 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 Texas Statewide
Need help interpreting your lab results or finding local agricultural extension agents? Fill out the brief form below:
Frequently Asked Questions: Texas Soil & Extension
How do I get my soil tested in Texas?
To test your soil in Texas, 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 Texas A&M Soil, Water and Forage Testing Laboratory or your local county extension office.
How much does soil testing cost in Texas?
Routine soil fertility analysis in Texas typically costs $12 routine soil analysis sample. Turnaround time for results is usually 5 to 7 business days.
Does every county in Texas have a Cooperative Extension Office?
Yes. Every county in Texas 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 Texas.
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.