Professional Services

Charles P. Johnson & Associates, Inc.
Charles P. Johnson & Associates, Inc. (CPJ) is a full-service civil engineering firm providing the highest quality Land Planning, Civil and Environmental Engineering, and Surveying Services.
1751 Elton Road
Suite 300
Silver Spring, MD 20903
1806 Fenwood Ave.
Oxon Hill, Maryland 20745
4401 Nicole Drive
Lanham, MD 20706
418 10th Street
SE Washington, DC 20003
1300 Mercantile Lane, Suite 42
Largo, MD 20774
2809 Foxglove Way
Springdale, MD 20774
145 Fleet Street, Unit 180
National Harbor, MD 20745
P. O. Box 4511
Upper Marlboro, Maryland 20775
9134 Piscataway Road #422
Clinton, MD 20735
P O Box 494
Alexandria, VA 22313
1300 Mercantile Lane
Suite 100-A
Largo, MD 20774
6201 Annapolis Road
Landover Hills, MD 20784
15003 Dennington Drive
Bowie, Maryland 20721
11720 beltsville Dr.
Suite 350B
Beltsville, MD 20705
9103 Woodmore Centre Drive, Suite 213
Lanham, MD 20706
4601 Presidents Drive
Suite 131
Lanham, MD 20706
155 Potomac Passage
National Harbor, MD 20745
4640 Forbes Blvd
Suite 201
Lanham, MD 20706
3306 Shortridge Lane
Mitchellville, Maryland 20721
12501 Prosperity Drive, Ste. 320
Silver Spring, MD 20904-1699
9701 Apollo Drive - Suite 301
Largo, MD 20774
12115-L Parklawn Drive
Rockville, Maryland 20852