Soil Testing Laboratories in Fresno, Madera, Merced, and Stanislaus Counties
Note: The laboratories in this listing are for informational purposes only and do not constitute any endorsement or recommendation by UC Cooperative Extension. If you are a laboratory that would like to be added/updated, please email cmbergren@ucanr.edu
Last updated: 7/16/2019
| Name | Address | Phone # and Hours | ¿Quién habla español? | Cost for full soil analysis* | Notes on Sample |
| Precision Agri-Lab | 24730 Avenue 13, Madera, CA 93637 |
(559) 661-6386 M-F 8am-5pm |
Veronica Surrency | $65 | Can drop off sample anytime during business hours, need about 2 lbs of soil (about ½ a gallon zip plastic bag) |
| Dellavalle Laboratory, Inc | 1910 W. McKinley Ave, Suite 110, Fresno, CA 93728 |
(559) 233-6129 M-F 8am-5pm |
Zimri | $52-$88 | Same as above |
| Denele Analytical Inc | 1232 South Ave Turlock, CA 95380 |
(209)634-9055 M-F 7:30am-5pm |
-------------- | $54.80 | Same as above; once you establish an account with them, you can use a drop box location nearest to you, see locations at: https://denelelabs.com/drop-box-locations/ |
| A&L Western Labs | 1311 Woodland Ave, Suite 1 Modesto, CA 95351 |
(209) 529-4080 M-F 8am-5pm |
--------------- | $35.00 | Drop off during business hours, about ½ a gallon zip plastic bag. |
| JM Lord, Inc | 4184 N. Knoll Dr. Fresno CA 93722 |
(559) 268-9755 M-F 7am- 5pm |
Diana Rodriguez o Alex Aguilar | $45.00 | Same as above |
| VPN Laboratory |
3402 W. Holland Ave. #101 Fresno CA. 93722 |
(559) 276-0403 M-Th 8am-4pm F 8am-3pm (call before) |
------------- | $50 | Same as above. |
| D & D Agricultural Laboratory, Inc |
5750 East Shields Avenue # 104 |
(559) 348-1818 | |||
| California Growers Laboratory |
4630 W. Jennifer, Suite 104, Fresno, CA 93722 |
(559) 275- 3377 M-F 8am-3pm |
------------- | $75.00 | Same as above. |
*Each lab has slightly different recommendations for their ‘complete analysis’ option. Please check their website for exact testing performed, and to see different package options. Remember, if you are applying for or have received a Healthy Soils grant, your test needs to include soil organic matter.