Consulting
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
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- 1-301-434-7000
9701 Apollo Drive
Suite 301
Upper Marlboro, MD 20774
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- (202) 327-5415
3306 Shortridge Lane
Mitchellville, Maryland 20721
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- (202) 340-5951
418 10th Street
SE Washington, DC 20003
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- (202) 660-0494
1300 Mercantile Lane, Suite 138C
Largo, MD 20774
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- 2024392874
9701 Apollo Drive
Suite 301
Largo, MD 20774
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- (301) 683-7373
14303 Ansonsia Court
Upper Marlboro, MD 20774
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- (202) 528-4073
1300 Mercantile Lane, Suite 42
Largo, MD 20774
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- (301) 322-4083
19847 Century Boulevard
Suite 200
Germantown, MD 20874
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- (240) 912-2103
13205 4th Street
Bowie, MD 20720
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- (610) 453-2409
9111 Edmonston Road
Greenbelt, Maryland 20770
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- (301) 352-7875
8181 Professional Place, Suite 208
Landover, MD 20785
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- (301) 429-5961
9134 Piscataway Road #422
Clinton, MD 20735
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- (202) 604-6383
100 West Road
Suite 300
Towson, MD 21204
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- (443) 478-7479
9103 Woodmore Centre Drive, Suite 213
Lanham, MD 20706
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- (202) 420-0565
2809 Foxglove Way
Springdale, MD 20774
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- (240) 495-1672
6900 Virginia Manor Road, Suite 111
Beltsville, MD 20705
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- (800) 974-3158
4390 Parliament Place
Suite A
Lanham, MD 20706
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- 3015528803
8636-B 16th Street
Unit 346
Silver Spring, MD 20705
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- (301) 523-7010
145 Fleet Street, Unit 180
National Harbor, MD 20745
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- 301-965-9308 ext. 708
