6,824

Recently Sold Homes near St. Thomas More Cathedral School

Section Image
  • 1121 Arlington Blvd Unit 505, Arlington, VA 22209
    1121 Arlington Blvd Unit 505, Arlington, VA 22209
    1121 Arlington Blvd Unit 505, Arlington, VA 22209
    /8

    $167,000 Sold Jul 24, 2025

    1121 Arlington Blvd Unit 505, Arlington, VA 22209

    • 1 Bed
    • 1 Bath
    • 559 Sq Ft
    • Built 1955

    Last Sold Summary

    • $299/SF
    • 2 Days On Market

    Last Listing Agent Carmen Carter-Howell Samson Properties

    1121 Arlington Blvd Unit 505, Arlington, VA 22209
  • 5505 Seminary Rd Unit 305N, Falls Church, VA 22041
    5505 Seminary Rd Unit 305N, Falls Church, VA 22041
    5505 Seminary Rd Unit 305N, Falls Church, VA 22041
    /43

    $470,000 Sold Jul 11, 2025

    5505 Seminary Rd Unit 305N, Falls Church, VA 22041

    • 3 Beds
    • 2 Baths
    • 1,638 Sq Ft
    • Built 1984

    Last Sold Summary

    • $287/SF
    • 11 Days On Market

    Current Estimated Value $468,000

    Last Listing Agent Ruth Yehdego Spring Hill Real Estate, LLC.

    5505 Seminary Rd Unit 305N, Falls Church, VA 22041
  • 4540 Dexter St NW, Washington, DC 20007
    4540 Dexter St NW, Washington, DC 20007
    /2

    $3,300,000 Sold Nov 07, 2025

    4540 Dexter St NW, Washington, DC 20007

    • 5 Beds
    • 6 Baths
    • 5,200 Sq Ft
    • Built 1935

    Last Sold Summary

    • $635/SF
    • 0 Days On Market

    Last Listing Agent Russell Firestone TTR Sotheby's International Realty

    4540 Dexter St NW, Washington, DC 20007
  • 7202 Parkview Ave, Falls Church, VA 22042
    7202 Parkview Ave, Falls Church, VA 22042
    7202 Parkview Ave, Falls Church, VA 22042
    /46

    $790,000 Sold Sep 30, 2025

    7202 Parkview Ave, Falls Church, VA 22042

    • 4 Beds
    • 2 Baths
    • 1,245 Sq Ft
    • Built 1946

    Last Sold Summary

    • $635/SF
    • 4 Days On Market

    Last Listing Agent Carolina Hurtado Long & Foster Real Estate, Inc.

    7202 Parkview Ave, Falls Church, VA 22042
  • 235 Tennessee Ave, Alexandria, VA 22305
    235 Tennessee Ave, Alexandria, VA 22305
    235 Tennessee Ave, Alexandria, VA 22305
    /39

    $760,000 Sold Mar 24, 2025

    235 Tennessee Ave, Alexandria, VA 22305

    • 3 Beds
    • 2 Baths
    • 1,653 Sq Ft
    • Built 1952

    Last Sold Summary

    • $460/SF
    • 3 Days On Market

    Current Estimated Value $747,083

    Last Listing Agent Elissa Laderach Compass

    235 Tennessee Ave, Alexandria, VA 22305
  • 3010 N Tacoma St, Arlington, VA 22213
    3010 N Tacoma St, Arlington, VA 22213
    /2

    $2,845,764 Sold Oct 14, 2025

    3010 N Tacoma St, Arlington, VA 22213

    • 7 Beds
    • 7.5 Baths
    • 6,407 Sq Ft
    • Built 2025

    Last Sold Summary

    • $444/SF
    • 119 Days On Market

    Last Listing Agent Derek Huetinck Beacon Crest Real Estate LLC

    3010 N Tacoma St, Arlington, VA 22213
  • 2130 N St NW Unit 106, Washington, DC 20037
    2130 N St NW Unit 106, Washington, DC 20037
    2130 N St NW Unit 106, Washington, DC 20037
    /35

    $233,000 Sold Mar 10, 2025

    2130 N St NW Unit 106, Washington, DC 20037

    • 1 Bath
    • 408 Sq Ft
    • Built 1947

    Last Sold Summary

    • $571/SF
    • 0 Days On Market

    Current Estimated Value $232,015

    Last Listing Agent John Pruski Jack Realty Group

    2130 N St NW Unit 106, Washington, DC 20037
  • 52 Cockrell St, Alexandria, VA 22304
    52 Cockrell St, Alexandria, VA 22304
    52 Cockrell St, Alexandria, VA 22304
    /42

    $900,000 Sold Mar 24, 2025

    52 Cockrell St, Alexandria, VA 22304

    • 4 Beds
    • 3 Baths
    • 2,908 Sq Ft
    • Built 1960

    Last Sold Summary

    • $309/SF
    • 4 Days On Market

    Current Estimated Value $939,138

    Last Listing Agent Robert Burroughs Samson Properties

    52 Cockrell St, Alexandria, VA 22304
  • 208 Skyhill Rd Unit 10, Alexandria, VA 22314
    208 Skyhill Rd Unit 10, Alexandria, VA 22314
    208 Skyhill Rd Unit 10, Alexandria, VA 22314
    /26

    $315,000 Sold Jul 09, 2025

    208 Skyhill Rd Unit 10, Alexandria, VA 22314

    • 1 Bed
    • 1 Bath
    • 879 Sq Ft
    • Built 1959

    Last Sold Summary

    • $358/SF
    • 52 Days On Market

    Current Estimated Value $320,335

    Last Listing Agent Jake Grodt Key Home Sales and Management

    208 Skyhill Rd Unit 10, Alexandria, VA 22314
  • 1401 S Barton St Unit 214, Arlington, VA 22204
    1401 S Barton St Unit 214, Arlington, VA 22204
    1401 S Barton St Unit 214, Arlington, VA 22204
    /39

    $450,000 Sold Mar 12, 2025

    1401 S Barton St Unit 214, Arlington, VA 22204

    • 2 Beds
    • 1 Bath
    • 994 Sq Ft
    • Built 1939

    Last Sold Summary

    • $453/SF
    • 21 Days On Market

    Current Estimated Value $452,603

    Last Listing Agent Chris Wood EXP Realty, LLC

    1401 S Barton St Unit 214, Arlington, VA 22204
  • 6545 Placid St, Falls Church, VA 22043
    6545 Placid St, Falls Church, VA 22043
    /2

    $1,250,500 Sold Feb 25, 2025

    6545 Placid St, Falls Church, VA 22043

    • 3 Beds
    • 2.5 Baths
    • 1,144 Sq Ft
    • Built 1959

    Last Sold Summary

    • $1,093/SF

    Last Listing Agent Maria Georgiev Samson Properties

    6545 Placid St, Falls Church, VA 22043
  • 3769 Keller Ave, Alexandria, VA 22302
    3769 Keller Ave, Alexandria, VA 22302
    3769 Keller Ave, Alexandria, VA 22302
    /36

    $560,000 Sold Apr 11, 2025

    3769 Keller Ave, Alexandria, VA 22302

    • 2 Beds
    • 2 Baths
    • 1,275 Sq Ft
    • Built 1954

    Last Sold Summary

    • $439/SF
    • 23 Days On Market

    Current Estimated Value $552,416

    Last Listing Agent Michelle Doherty RLAH @properties

    3769 Keller Ave, Alexandria, VA 22302
  • 2301 Ontario Rd NW Unit 101, Washington, DC 20009
    2301 Ontario Rd NW Unit 101, Washington, DC 20009
    2301 Ontario Rd NW Unit 101, Washington, DC 20009
    /24

    $310,000 Sold Jun 06, 2025

    2301 Ontario Rd NW Unit 101, Washington, DC 20009

    • 1 Bed
    • 1 Bath
    • 400 Sq Ft
    • Built 2021

    Last Sold Summary

    • $775/SF
    • 69 Days On Market

    Current Estimated Value $293,000

    Last Listing Agent Natalie Ramirez Serhant

    2301 Ontario Rd NW Unit 101, Washington, DC 20009
  • 2351 Champlain St NW Unit C1, Washington, DC 20009
    2351 Champlain St NW Unit C1, Washington, DC 20009
    2351 Champlain St NW Unit C1, Washington, DC 20009
    /34

    $1,015,000 Sold Mar 31, 2025

    2351 Champlain St NW Unit C1, Washington, DC 20009

    • 2 Beds
    • 2.5 Baths
    • 1,621 Sq Ft
    • Built 2008

    Last Sold Summary

    • $626/SF
    • 87 Days On Market

    Current Estimated Value $1,033,142

    Last Listing Agent Andre Perez Compass

    2351 Champlain St NW Unit C1, Washington, DC 20009
  • 5701 11th St N Unit 7, Arlington, VA 22205
    5701 11th St N Unit 7, Arlington, VA 22205
    5701 11th St N Unit 7, Arlington, VA 22205
    /18

    $1,080,000 Sold Jun 12, 2025

    5701 11th St N Unit 7, Arlington, VA 22205

    • 3 Beds
    • 3.5 Baths
    • 1,816 Sq Ft
    • Built 2019

    Last Sold Summary

    • $595/SF
    • 4 Days On Market

    Current Estimated Value $1,089,656

    Last Listing Agent Patrick Davis Coldwell Banker Realty - Washington

    5701 11th St N Unit 7, Arlington, VA 22205
  • 910 M St NW Unit 310, Washington, DC 20001
    910 M St NW Unit 310, Washington, DC 20001
    910 M St NW Unit 310, Washington, DC 20001
    /16

    $660,000 Sold Jul 18, 2025

    910 M St NW Unit 310, Washington, DC 20001

    • 2 Beds
    • 2 Baths
    • 1,005 Sq Ft
    • Built 2006

    Last Sold Summary

    • $657/SF
    • 13 Days On Market

    Current Estimated Value $667,790

    Last Listing Agent Dylan White TTR Sotheby's International Realty

    910 M St NW Unit 310, Washington, DC 20001
  • 2911 Edgehill Dr, Alexandria, VA 22302
    2911 Edgehill Dr, Alexandria, VA 22302
    2911 Edgehill Dr, Alexandria, VA 22302
    /38

    $1,090,128 Sold Sep 24, 2025

    2911 Edgehill Dr, Alexandria, VA 22302

    • 4 Beds
    • 2 Baths
    • 2,210 Sq Ft
    • Built 1953

    Last Sold Summary

    • $493/SF
    • 3 Days On Market

    Last Listing Agent Gail Hayes Compass

    2911 Edgehill Dr, Alexandria, VA 22302
  • 2801 Cortland Place NW Unit 201, Washington, DC 20008
    2801 Cortland Place NW Unit 201, Washington, DC 20008
    2801 Cortland Place NW Unit 201, Washington, DC 20008
    /23

    $399,990 Sold Mar 28, 2025

    2801 Cortland Place NW Unit 201, Washington, DC 20008

    • 2 Beds
    • 1 Bath
    • 872 Sq Ft
    • Built 1936

    Last Sold Summary

    • $459/SF
    • 9 Days On Market

    Current Estimated Value $400,785

    Last Listing Agent Mark Meyerdirk Urban Brokers, LLC

    2801 Cortland Place NW Unit 201, Washington, DC 20008
  • 4048 21st St N, Arlington, VA 22207
    4048 21st St N, Arlington, VA 22207
    /2

    $1,175,000 Sold Apr 28, 2025

    4048 21st St N, Arlington, VA 22207

    • 3 Beds
    • 1 Bath
    • 1,592 Sq Ft
    • Built 1936

    Last Sold Summary

    • $738/SF

    Last Listing Agent Laura Biederman RLAH @properties

    4048 21st St N, Arlington, VA 22207
  • 802 Beverley Dr, Alexandria, VA 22302
    802 Beverley Dr, Alexandria, VA 22302
    802 Beverley Dr, Alexandria, VA 22302
    /50

    $2,145,000 Sold Sep 30, 2025

    802 Beverley Dr, Alexandria, VA 22302

    • 5 Beds
    • 3.5 Baths
    • 4,497 Sq Ft
    • Built 1940

    Last Sold Summary

    • $477/SF
    • 11 Days On Market

    Last Listing Agent Cynthia Byrnes-Golubin KW Metro Center

    802 Beverley Dr, Alexandria, VA 22302
  • Unlisted Address
    Unlisted Address
    /2

    $1,210,250 Sold Dec 05, 2025

    Unlisted Address

    • 3 Beds
    • 2 Baths
    • 1,529 Sq Ft
    • Built 1920

    Last Sold Summary

    • $792/SF
    • 7 Days On Market

    Last Listing Agent Anna Mackler Serhant

    Unlisted Address
  • 3116 14th St S, Arlington, VA 22204
    3116 14th St S, Arlington, VA 22204
    3116 14th St S, Arlington, VA 22204
    /64

    $1,192,000 Sold Jun 03, 2025

    3116 14th St S, Arlington, VA 22204

    • 4 Beds
    • 3 Baths
    • 3,062 Sq Ft
    • Built 1941

    Last Sold Summary

    • $389/SF
    • 0 Days On Market

    Current Estimated Value $1,112,632

    Last Listing Agent Michael Webb RE/MAX Allegiance

    3116 14th St S, Arlington, VA 22204
  • 2606 C S Arlington Mill Dr S Unit 3, Arlington, VA 22206
    2606 C S Arlington Mill Dr S Unit 3, Arlington, VA 22206
    /2

    $472,000 Sold Mar 21, 2025

    2606 C S Arlington Mill Dr S Unit 3, Arlington, VA 22206

    • 2 Beds
    • 1 Bath
    • 913 Sq Ft
    • Built 1983

    Last Sold Summary

    • $517/SF

    Current Estimated Value $475,414

    Last Listing Agent Brynn Runkel Compass

    2606 C S Arlington Mill Dr S Unit 3, Arlington, VA 22206
  • 104 E Oxford Ave, Alexandria, VA 22301
    104 E Oxford Ave, Alexandria, VA 22301
    104 E Oxford Ave, Alexandria, VA 22301
    /68

    $950,000 Sold Jun 17, 2025

    104 E Oxford Ave, Alexandria, VA 22301

    • 2 Beds
    • 2.5 Baths
    • 1,505 Sq Ft
    • Built 1920

    Last Sold Summary

    • $631/SF
    • 4 Days On Market

    Current Estimated Value $964,814

    Last Listing Agent Miriam Miller Corcoran McEnearney

    104 E Oxford Ave, Alexandria, VA 22301
  • 700 S Arlington Mill Dr Unit 103, Arlington, VA 22204
    700 S Arlington Mill Dr Unit 103, Arlington, VA 22204
    700 S Arlington Mill Dr Unit 103, Arlington, VA 22204
    /37

    $290,000 Sold Oct 23, 2025

    700 S Arlington Mill Dr Unit 103, Arlington, VA 22204

    • 2 Beds
    • 1 Bath
    • 748 Sq Ft
    • Built 1947

    Last Sold Summary

    • $388/SF
    • 17 Days On Market

    Last Listing Agent Cindy Schneider Long & Foster Real Estate, Inc.

    700 S Arlington Mill Dr Unit 103, Arlington, VA 22204
  • 2902 Summerfield Rd, Falls Church, VA 22042
    2902 Summerfield Rd, Falls Church, VA 22042
    2902 Summerfield Rd, Falls Church, VA 22042
    /18

    $655,000 Sold Feb 24, 2025

    2902 Summerfield Rd, Falls Church, VA 22042

    • 4 Beds
    • 2 Baths
    • 1,296 Sq Ft
    • Built 1943

    Last Sold Summary

    • $505/SF
    • 46 Days On Market

    Current Estimated Value $668,967

    Last Listing Agent Eri Bales EXP Realty, LLC

    2902 Summerfield Rd, Falls Church, VA 22042
  • 1718 P St NW Unit 220, Washington, DC 20036
    1718 P St NW Unit 220, Washington, DC 20036
    1718 P St NW Unit 220, Washington, DC 20036
    /32

    $310,000 Sold Jul 03, 2025

    1718 P St NW Unit 220, Washington, DC 20036

    • 1 Bed
    • 1 Bath
    • 450 Sq Ft
    • Built 1968

    Last Sold Summary

    • $689/SF
    • 61 Days On Market

    Current Estimated Value $303,717

    Last Listing Agent Greylin Thomas Compass

    1718 P St NW Unit 220, Washington, DC 20036
  • 5340 Holmes Run Pkwy Unit 1619, Alexandria, VA 22304
    5340 Holmes Run Pkwy Unit 1619, Alexandria, VA 22304
    5340 Holmes Run Pkwy Unit 1619, Alexandria, VA 22304
    /29

    $229,900 Sold Feb 20, 2025

    5340 Holmes Run Pkwy Unit 1619, Alexandria, VA 22304

    • 2 Beds
    • 1 Bath
    • 849 Sq Ft
    • Built 1967

    Last Sold Summary

    • $271/SF
    • 6 Days On Market

    Current Estimated Value $232,029

    Last Listing Agent Steven Benitez Samson Properties

    5340 Holmes Run Pkwy Unit 1619, Alexandria, VA 22304
  • 2424 S Queen St, Arlington, VA 22202
    2424 S Queen St, Arlington, VA 22202
    2424 S Queen St, Arlington, VA 22202
    /56

    $985,000 Sold Dec 18, 2025

    2424 S Queen St, Arlington, VA 22202

    • 4 Beds
    • 3.5 Baths
    • 3,075 Sq Ft
    • Built 1978

    Last Sold Summary

    • $320/SF
    • 17 Days On Market

    Last Listing Agent Susan Hand Compass

    2424 S Queen St, Arlington, VA 22202
  • 909 First St, Alexandria, VA 22314
    909 First St, Alexandria, VA 22314
    909 First St, Alexandria, VA 22314
    /38

    $930,000 Sold Jun 19, 2025

    909 First St, Alexandria, VA 22314

    • 3 Beds
    • 2.5 Baths
    • 1,652 Sq Ft
    • Built 1971

    Last Sold Summary

    • $563/SF
    • 17 Days On Market

    Current Estimated Value $934,853

    Last Listing Agent Jason Townsend Real Broker, LLC

    909 First St, Alexandria, VA 22314
  • 5123 Donovan Dr, Alexandria, VA 22304
    5123 Donovan Dr, Alexandria, VA 22304
    5123 Donovan Dr, Alexandria, VA 22304
    /64

    $600,000 Sold Aug 19, 2025

    5123 Donovan Dr, Alexandria, VA 22304

    • 2 Beds
    • 2.5 Baths
    • 1,206 Sq Ft
    • Built 1999

    Last Sold Summary

    • $498/SF
    • 1 Day On Market

    Current Estimated Value $593,551

    Last Listing Agent Irina Babb Samson Properties

    5123 Donovan Dr, Alexandria, VA 22304
  • 1915 Calvert St NW Unit 3, Washington, DC 20009
    1915 Calvert St NW Unit 3, Washington, DC 20009
    1915 Calvert St NW Unit 3, Washington, DC 20009
    /13

    $330,000 Sold Oct 09, 2025

    1915 Calvert St NW Unit 3, Washington, DC 20009

    • 1 Bed
    • 1 Bath
    • 651 Sq Ft
    • Built 1906

    Last Sold Summary

    • $507/SF
    • 6 Days On Market

    Last Listing Agent Chris Owens TTR Sotheby's International Realty

    1915 Calvert St NW Unit 3, Washington, DC 20009
  • 5911 Quantrell Ave Unit 204, Alexandria, VA 22312
    5911 Quantrell Ave Unit 204, Alexandria, VA 22312
    5911 Quantrell Ave Unit 204, Alexandria, VA 22312
    /9

    $200,000 Sold Dec 23, 2024

    5911 Quantrell Ave Unit 204, Alexandria, VA 22312

    • 1 Bed
    • 1 Bath
    • 750 Sq Ft
    • Built 1965

    Last Sold Summary

    • $267/SF
    • 22 Days On Market

    Current Estimated Value $205,973

    Last Listing Agent Mariam Mattin Fairfax Realty 50/66 LLC

    5911 Quantrell Ave Unit 204, Alexandria, VA 22312
  • 1134 N Harrison St, Arlington, VA 22205
    1134 N Harrison St, Arlington, VA 22205
    1134 N Harrison St, Arlington, VA 22205
    /48

    $1,299,000 Sold Nov 20, 2025

    1134 N Harrison St, Arlington, VA 22205

    • 3 Beds
    • 2.5 Baths
    • 2,354 Sq Ft
    • Built 1937

    Last Sold Summary

    • $552/SF
    • 31 Days On Market

    Last Listing Agent Alexandra Fielding TTR Sotheby's International Realty

    1134 N Harrison St, Arlington, VA 22205
  • 504 N Owen St, Alexandria, VA 22304
    504 N Owen St, Alexandria, VA 22304
    504 N Owen St, Alexandria, VA 22304
    /39

    $810,000 Sold Apr 17, 2025

    504 N Owen St, Alexandria, VA 22304

    • 3 Beds
    • 2 Baths
    • 2,602 Sq Ft
    • Built 1956

    Last Sold Summary

    • $311/SF
    • 3 Days On Market

    Current Estimated Value $803,649

    Last Listing Agent Elizabeth Twigg Corcoran McEnearney

    504 N Owen St, Alexandria, VA 22304
  • 329 I St SW Unit 205, Washington, DC 20024
    329 I St SW Unit 205, Washington, DC 20024
    329 I St SW Unit 205, Washington, DC 20024
    /37

    $669,000 Sold Jun 13, 2025

    329 I St SW Unit 205, Washington, DC 20024

    • 3 Beds
    • 1.5 Baths
    • 1,710 Sq Ft
    • Built 1961

    Last Sold Summary

    • $391/SF
    • 50 Days On Market

    Current Estimated Value $676,011

    Last Listing Agent David Wagner RE/MAX Realty Centre, Inc.

    329 I St SW Unit 205, Washington, DC 20024
  • 3541 Ordway St NW, Washington, DC 20016
    3541 Ordway St NW, Washington, DC 20016
    3541 Ordway St NW, Washington, DC 20016
    /3

    $2,425,000 Sold Dec 12, 2025

    3541 Ordway St NW, Washington, DC 20016

    • 5 Beds
    • 5.5 Baths
    • 4,324 Sq Ft
    • Built 1967

    Last Sold Summary

    • $561/SF
    • 44 Days On Market

    Last Listing Agent Jennifer Smira Compass

    3541 Ordway St NW, Washington, DC 20016
  • 1418 N Rhodes St Unit 401, Arlington, VA 22209
    1418 N Rhodes St Unit 401, Arlington, VA 22209
    1418 N Rhodes St Unit 401, Arlington, VA 22209
    /62

    $1,115,000 Sold Aug 21, 2025

    1418 N Rhodes St Unit 401, Arlington, VA 22209

    • 2 Beds
    • 2.5 Baths
    • 1,832 Sq Ft
    • Built 2010

    Last Sold Summary

    • $609/SF
    • 38 Days On Market

    Current Estimated Value $1,114,498

    Last Listing Agent Katherine Massetti Serhant

    1418 N Rhodes St Unit 401, Arlington, VA 22209
  • 5850 Aspen Wood Ct, McLean, VA 22101
    5850 Aspen Wood Ct, McLean, VA 22101
    5850 Aspen Wood Ct, McLean, VA 22101
    /13

    $1,400,000 Sold Mar 07, 2025

    5850 Aspen Wood Ct, McLean, VA 22101

    • 5 Beds
    • 3.5 Baths
    • 4,466 Sq Ft
    • Built 1985

    Last Sold Summary

    • $313/SF
    • 32 Days On Market

    Current Estimated Value $1,492,313

    Last Listing Agent JD Callander Weichert, REALTORS

    5850 Aspen Wood Ct, McLean, VA 22101
  • 1525 Q St NW Unit 1, Washington, DC 20009
    1525 Q St NW Unit 1, Washington, DC 20009
    /2

    $475,000 Sold Jun 16, 2025

    1525 Q St NW Unit 1, Washington, DC 20009

    • 2 Beds
    • 1 Bath
    • 753 Sq Ft
    • Built 1912

    Last Sold Summary

    • $631/SF
    • 20 Days On Market

    Current Estimated Value $467,955

    Last Listing Agent Jennifer Smira Compass

    1525 Q St NW Unit 1, Washington, DC 20009

Showing Results 361 - 400, Page 10 of 18

Virginia Arlington County Arlington St. Thomas More Cathedral School

Recently Sold Real Estate & Homes near St. Thomas More Cathedral School

How to Buy a Home How to Finance a Home How to Sell a Home

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Homes.com Licensing Information

§ 442-H New York Standard Operating Procedures

New York Fair Housing Notice

TREC: Information about brokerage services, Consumer protection notice

California DRE #01937601

Contact Homes.com Brokerage

Copyright © 2025 CoStar Group