P.O. Box 96
3790 Saint Leonard Road
Saint Leonard, MD 20685









Phone:       410-586-2721
Fax:            410-586-8969
Email:  Info@jcalvinwood.com
Toll Free: 800-250-9887


Monday thru Friday                Saturday

7 AM to 4:30 PM                      8 AM to 12 Noon

J. Calvin Wood, Jr., Inc. has been providing top quality service and material for 30 years.  Our crews are leaders in the areas of septic systems, excavation, land clearing, grading, demolition, storm water management, road preparation and installation. Our dump trucks and demo trailers are always ready to move your debris and material.


We have the equipment necessary to move heavy equipment such as excavators, dozers, etc.  requiring SHA permits.  

We will move it on time and on your schedule.     

J. Calvin Wood, Jr., Inc. is a fully licensed septic system contractor for Calvert and St. Mary’s Counties, Maryland.  

We perform perc-tests, install new systems or repair your existing system.  Our experience includes installation of the nitrogen removal systems now required by the Calvert & St. Mary’s County Health Departments for properties located in the critical areas.  

We routinely install mound systems, septic tanks, drain fields and pump pits.  We offer free estimates for all projects.


In addition, J. Calvin Wood, Jr., Inc. provides contractors, developers and homeowners with mulch, screened topsoil, gravel, stone, and sand for road, path or landscape applications