Contact Us Office Contact Information
CoStar's Offices
office address phone fax
Main Headquarters
click for map
2 Bethesda Metro Center
10th Floor
Bethesda, MD 20814-5388
(800) 204-5960
(301) 215-8300
(800) 613-1301
(301) 718-2444
West Coast Regional Office
click for map
4535 Towne Centre Court
San Diego, CA 92121-1900
(858) 458-4900 (858) 558-4309
Atlanta
click for map
3414 Peachtree Road, NE
Suite 300
Atlanta, GA 30326-1164
(404) 266-7700 (404) 841-5860
Boston
click for map
184 High Street
7th Floor
Boston, MA 02110-3025
(617) 956-9500 (617) 482-7729
Chicago
click for map
8755 West Higgins Road
Suite 1025
Chicago, IL 60631
(773) 693-6800 (773) 714-0073
Cleveland
click for map
6100 Oak Tree Boulevard
Suite 200
Independence, OH 44131-6914
(216) 328-2092 (216) 328-2094
Cincinnati
click for map
1600 Scripps Center
312 Walnut Street
Cincinnati, OH 45202-4038
(513) 762-7888 (513) 762-7889
Columbia
click for map
7120 Samuel Morse Drive
3rd Floor
Columbia, MD 21046-3406
(443) 285-5000 (443) 285-5280
Dallas
click for map
15303 Dallas Parkway
Suite 470
Addison, TX 75001-4644
(972) 982-3070 (972) 934-8878
Denver
click for map
1050 17th Street
Suite 370
Denver, CO 80265-2013
(720) 931-6000 (303) 534-5598
Detroit
click for map
2000 Town Center
Suite 1900
Southfield, MI 48075
(248) 233-0790 (248) 233-0791

Fort Lauderdale
click for map

550 W. Cypress Creek Road
Suite #390
Fort Lauderdale, FL 33309
(954) 351-2980 (945) 351-7750
Houston
click for map
1800 West Loop South
Suite 1650
Houston, TX 77027-3290
(713) 572-8888 (713) 572-8256
Kansas City
click for map
2300 Main Street
9th Floor
Kansas City, MO 64108-2408
(816) 448-3359 (816) 448-3793
London
click for map 
10 Great Pulteney Street
London
W1F 9NB
+44 (0)20 3214 0100 +44 (0)20 3214 0126
Los Angeles
click for map
11150 Santa Monica Boulevard
Suite 1670
Los Angeles, CA 90025-3386
(888) 242-7068 (310) 479-4848
Metropolis
click for map
222 Fashion Lane
Suite 208
Tustin, CA 92780-3318
(714) 505-4678 (714) 505-3978
New Jersey
click for map
120 Wood Avenue, South
Suite 610
Iselin, NJ 08830-2709
(732) 321-2780 (732) 744-9420
New York
click for map
420 Lexington Avenue
Suite 1605
New York, NY 10170-1699
(917) 332-2100 (212) 681-0744
Orange County
click for map
4590 MacArthur Boulevard
Suite 340
Newport Beach, CA 92660-2030
(949) 225-4740 (949) 250-1613
Philadelphia
click for map
2000 Market Street
Suite 1430
Philadelphia, PA 19103-3231
(215) 988-4580 (215) 568-3185
Phoenix
click for map
2231 E. Camelback Road
Suite 301
Phoenix, AZ 85016
(602) 954-8320 (602) 954-8781
Pittsburgh
click for map
301 Grant Street
43rd Floor
Pittsburgh, PA 15219
(412) 577-4060 (412) 577-4061
Portland
click for map
808 SW Third Avenue
Suite 570
Portland, OR 97204-2428
(503) 295-1776 (503) 295-1779
San Francisco
click for map
301 Howard Street
Suite 1350
San Francisco, CA 94105-6607
(415) 284-2920 (415) 284-0946
Scotland
click for map
26 New Street
Paisley PA1 1YB
United Kingdom
+44 (0)141 561 7300 +44 (0)141 561 7319
St. Louis
click for map
Two CityPlace Drive
Suite 200
St. Louis, MO 63141-7055
(314) 812-2580 (314) 812-2585
Tampa
click for map
5201 West Kennedy Boulevard
Suite 132
Tampa, FL 33609-1878
(813) 207-4480 (813) 289-1203
White Marsh
click for map
8140 Corporate Drive
Suite 150
Baltimore, MD 21236
(410) 248-1800 (410) 248-3502