Contact Us

Office Hours:

8:00 am - 4:30 pm, Monday - Friday


Soil Testing Laboratory 

Room 135 Crops Research Building
1902 Dudley Ave. 
St. Paul, MN 55108-6089

Phone: 612-625-3101
Fax: 612-624-3420

Note: Many GPS systems cannot find us, but Google Maps has the correct location: Link



There is drop-off parking on the north side of the Crop Research builidng. Wheelchair access is available via the connecting building to the east. Elevators & restrooms are available. 

Sample Drop Off Zone