578

Recently Sold Homes in 78070

Section Image
  • TBD Elmhurst Dr, Spring Branch, TX 78070
    TBD Elmhurst Dr, Spring Branch, TX 78070
    TBD Elmhurst Dr, Spring Branch, TX 78070
    /16

    $228,000 Last List Price Sold Sep 30, 2025

    TBD Elmhurst Dr, Spring Branch, TX 78070

    • Land
    • 6.39 Acres
    • $35,681 per Acre

    Last Sold Summary

    • 55 Days On Market

    Last Listing Agent Shannon Millard Hill Country Real Estate

    TBD Elmhurst Dr, Spring Branch, TX 78070
  • 142 Granite Rd, Spring Branch, TX 78070
    142 Granite Rd, Spring Branch, TX 78070
    142 Granite Rd, Spring Branch, TX 78070
    /23

    $309,500 Last List Price Sold Oct 07, 2025

    142 Granite Rd, Spring Branch, TX 78070

    • 3 Beds
    • 2.5 Baths
    • 1,464 Sq Ft
    • Built 2024

    Last Sold Summary

    • $211/SF
    • 208 Days On Market

    Last Listing Agent Ben Negru Alliance Realty Group

    142 Granite Rd, Spring Branch, TX 78070
  • 1218 High Point Cir, Canyon Lake, TX 78070

    $399,900 Last List Price Sold Feb 04, 2025

    1218 High Point Cir, Canyon Lake, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,885 Sq Ft
    • Built 2024

    Last Sold Summary

    • $212/SF
    • 83 Days On Market

    Current Estimated Value $399,900

    Last Listing Agent Adam Smith Boss Real Estate

    1218 High Point Cir, Canyon Lake, TX 78070
  • 91A Golf Dr Unit 91A, Spring Branch, TX 78070
    91A Golf Dr Unit 91A, Spring Branch, TX 78070
    91A Golf Dr Unit 91A, Spring Branch, TX 78070
    /27

    $58,000 Last List Price Sold Jun 30, 2025

    91A Golf Dr Unit 91A, Spring Branch, TX 78070

    • Land
    • 0.55 Acre
    • $105,455 per Acre

    Last Sold Summary

    • 410 Days On Market

    Last Listing Agent Shannon Millard Hill Country Real Estate

    91A Golf Dr Unit 91A, Spring Branch, TX 78070
  • 145 Finch Place, Spring Branch, TX 78070
    145 Finch Place, Spring Branch, TX 78070
    145 Finch Place, Spring Branch, TX 78070
    /13

    $88,000 Last List Price Sold Aug 20, 2025

    145 Finch Place, Spring Branch, TX 78070

    • Land
    • 1.12 Acres
    • $78,571 per Acre

    Last Sold Summary

    • 154 Days On Market

    Current Estimated Value $88,000

    Last Listing Agent Beth Bush Keller Williams Heritage

    145 Finch Place, Spring Branch, TX 78070
  • 1283 Whispering Water, Spring Branch, TX 78070
    1283 Whispering Water, Spring Branch, TX 78070
    1283 Whispering Water, Spring Branch, TX 78070
    /44

    $395,000 Last List Price Sold Nov 14, 2025

    1283 Whispering Water, Spring Branch, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,700 Sq Ft
    • Built 2005

    Last Sold Summary

    • $232/SF
    • 64 Days On Market

    Last Listing Agent Cali Esquivel Calistro Esquivel, Broker

    1283 Whispering Water, Spring Branch, TX 78070
  • 811 Hillside Dr, Spring Branch, TX 78070
    811 Hillside Dr, Spring Branch, TX 78070
    811 Hillside Dr, Spring Branch, TX 78070
    /31

    $479,000 Last List Price Sold Sep 12, 2025

    811 Hillside Dr, Spring Branch, TX 78070

    • 3 Beds
    • 2 Baths
    • 2,362 Sq Ft
    • Built 2017

    Last Sold Summary

    • $203/SF
    • 32 Days On Market

    Current Estimated Value $479,000

    Last Listing Agent Melissa Cassel Realty Nation

    811 Hillside Dr, Spring Branch, TX 78070
  • 703 Landons Way, Spring Branch, TX 78070
    703 Landons Way, Spring Branch, TX 78070
    703 Landons Way, Spring Branch, TX 78070
    /48

    $1,250,000 Last List Price Sold Feb 20, 2025

    703 Landons Way, Spring Branch, TX 78070

    • 5 Beds
    • 5 Baths
    • 5,212 Sq Ft
    • Built 1996

    Last Sold Summary

    • $240/SF
    • 94 Days On Market

    Current Estimated Value $1,250,000

    Last Listing Agent David Anderson Redbird Realty LLC

    703 Landons Way, Spring Branch, TX 78070
  • 171 Shadow Mountain Dr, Spring Branch, TX 78070
    171 Shadow Mountain Dr, Spring Branch, TX 78070
    171 Shadow Mountain Dr, Spring Branch, TX 78070
    /18

    $274,999 Last List Price Sold Apr 23, 2025

    171 Shadow Mountain Dr, Spring Branch, TX 78070

    • 4 Beds
    • 2 Baths
    • 2,128 Sq Ft
    • Built 1996

    Last Sold Summary

    • $129/SF
    • 19 Days On Market

    Last Listing Agent Elizabeth Lane Topper Real Estate

    171 Shadow Mountain Dr, Spring Branch, TX 78070
  • 1605 Zane Grey Ln, Spring Branch, TX 78070
    1605 Zane Grey Ln, Spring Branch, TX 78070
    1605 Zane Grey Ln, Spring Branch, TX 78070
    /24

    $299,999 Last List Price Sold Aug 25, 2025

    1605 Zane Grey Ln, Spring Branch, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,280 Sq Ft
    • Built 1964

    Last Sold Summary

    • $234/SF
    • 67 Days On Market

    Current Estimated Value $299,999

    Last Listing Agent Andrew Alderete eXp Realty

    1605 Zane Grey Ln, Spring Branch, TX 78070
  • 16597 U S 281, Spring Branch, TX 78070
    16597 U S 281, Spring Branch, TX 78070
    16597 U S 281, Spring Branch, TX 78070
    /15

    $750,000 Last List Price Sold Jun 13, 2025

    16597 U S 281, Spring Branch, TX 78070

    • Land
    • 7.5 Acres
    • $100,000 per Acre

    Last Sold Summary

    • 147 Days On Market

    Last Listing Agent Rodney Topper Topper Real Estate

    16597 U S 281, Spring Branch, TX 78070
  • 248 Indian Colt, Spring Branch, TX 78070
    248 Indian Colt, Spring Branch, TX 78070
    248 Indian Colt, Spring Branch, TX 78070
    /19

    $233,000 Last List Price Sold Oct 14, 2025

    248 Indian Colt, Spring Branch, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,252 Sq Ft
    • Built 2020

    Last Sold Summary

    • $186/SF
    • 66 Days On Market

    Last Listing Agent Kasaundra Mercado 1st Choice Realty Group

    248 Indian Colt, Spring Branch, TX 78070
  • 786 Deep Water Dr, Spring Branch, TX 78070
    786 Deep Water Dr, Spring Branch, TX 78070
    786 Deep Water Dr, Spring Branch, TX 78070
    /31

    $389,000 Last List Price Sold Apr 22, 2025

    786 Deep Water Dr, Spring Branch, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,672 Sq Ft
    • Built 2008

    Last Sold Summary

    • $233/SF
    • 64 Days On Market

    Current Estimated Value $389,000

    Last Listing Agent Kimberly Herrera Keller Williams City-View

    786 Deep Water Dr, Spring Branch, TX 78070
  • 253 Toucan Dr, Spring Branch, TX 78070
    253 Toucan Dr, Spring Branch, TX 78070
    253 Toucan Dr, Spring Branch, TX 78070
    /53

    $989,000 Last List Price Sold May 12, 2025

    253 Toucan Dr, Spring Branch, TX 78070

    • 4 Beds
    • 3.5 Baths
    • 2,659 Sq Ft
    • Built 2016

    Last Sold Summary

    • $372/SF
    • 26 Days On Market

    Current Estimated Value $989,000

    Last Listing Agent Kimberly Gray Keller Williams Heritage

    253 Toucan Dr, Spring Branch, TX 78070
  • 773 Las Hadas, Spring Branch, TX 78070
    773 Las Hadas, Spring Branch, TX 78070
    773 Las Hadas, Spring Branch, TX 78070
    /28

    $280,000 Last List Price Sold Apr 07, 2025

    773 Las Hadas, Spring Branch, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,680 Sq Ft
    • Built 2022

    Last Sold Summary

    • $167/SF
    • 195 Days On Market

    Current Estimated Value $280,000

    Last Listing Agent Gayle Dame Century 21 Scott Myers, REALTORS

    773 Las Hadas, Spring Branch, TX 78070
  • 1253 Bob White Dr, Spring Branch, TX 78070
    1253 Bob White Dr, Spring Branch, TX 78070
    1253 Bob White Dr, Spring Branch, TX 78070
    /26

    $359,000 Last List Price Sold Jul 01, 2025

    1253 Bob White Dr, Spring Branch, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,512 Sq Ft
    • Built 2022

    Last Sold Summary

    • $237/SF
    • 0 Days On Market

    Current Estimated Value $359,000

    Last Listing Agent Stephanie Jewett Phyllis Browning Company

    1253 Bob White Dr, Spring Branch, TX 78070
  • 326 Desert Quail, Spring Branch, TX 78070
    326 Desert Quail, Spring Branch, TX 78070
    326 Desert Quail, Spring Branch, TX 78070
    /64

    $1,150,000 Last List Price Sold Apr 22, 2025

    326 Desert Quail, Spring Branch, TX 78070

    • 3 Beds
    • 3.5 Baths
    • 3,477 Sq Ft
    • Built 2021

    Last Sold Summary

    • $331/SF
    • 14 Days On Market

    Current Estimated Value $1,150,000

    Last Listing Agent Jamie Amerman Phyllis Browning Company

    326 Desert Quail, Spring Branch, TX 78070
  • 1225 Mystic Shores Blvd, Spring Branch, TX 78070
    1225 Mystic Shores Blvd, Spring Branch, TX 78070
    1225 Mystic Shores Blvd, Spring Branch, TX 78070
    /15

    $109,999 Last List Price Sold Sep 19, 2025

    1225 Mystic Shores Blvd, Spring Branch, TX 78070

    • Land
    • 1.8 Acres
    • $61,111 per Acre

    Last Sold Summary

    • 730 Days On Market

    Current Estimated Value $109,999

    Last Listing Agent Mickey Brown Keller Williams Realty - Partn

    1225 Mystic Shores Blvd, Spring Branch, TX 78070
  • 0 Golf Dr Unit 1842867, Spring Branch, TX 78070
    0 Golf Dr Unit 1842867, Spring Branch, TX 78070
    0 Golf Dr Unit 1842867, Spring Branch, TX 78070
    /8

    $39,000 Last List Price Sold Mar 05, 2025

    0 Golf Dr Unit 1842867, Spring Branch, TX 78070

    • Land
    • 0.2 Acre
    • $195,000 per Acre

    Last Sold Summary

    • 18 Days On Market

    Last Listing Agent Crystal Unrue Sullivan Hill Country Properti

    0 Golf Dr Unit 1842867, Spring Branch, TX 78070
  • 742 Singing Creek, Spring Branch, TX 78070
    742 Singing Creek, Spring Branch, TX 78070
    742 Singing Creek, Spring Branch, TX 78070
    /23

    $485,000 Last List Price Sold Feb 07, 2025

    742 Singing Creek, Spring Branch, TX 78070

    • 5 Beds
    • 4 Baths
    • 3,202 Sq Ft
    • Built 2020

    Last Sold Summary

    • $151/SF
    • 32 Days On Market

    Current Estimated Value $485,000

    Last Listing Agent Valerie Barnard Keller Williams Legacy

    742 Singing Creek, Spring Branch, TX 78070
  • 355 Eagle Rock Rd, Canyon Lake, TX 78070
    355 Eagle Rock Rd, Canyon Lake, TX 78070
    355 Eagle Rock Rd, Canyon Lake, TX 78070
    /4

    $60,000 Last List Price Sold Feb 18, 2025

    355 Eagle Rock Rd, Canyon Lake, TX 78070

    • Land
    • 0.45 Acre
    • $133,333 per Acre

    Last Sold Summary

    • 77 Days On Market

    Current Estimated Value $60,000

    Last Listing Agent Rochelle Cardona Texas Real Estate

    355 Eagle Rock Rd, Canyon Lake, TX 78070
  • 1218 Highpoint Ln, Canyon Lake, TX 78070
    1218 Highpoint Ln, Canyon Lake, TX 78070
    1218 Highpoint Ln, Canyon Lake, TX 78070
    /15

    $399,900 Last List Price Sold Feb 04, 2025

    1218 Highpoint Ln, Canyon Lake, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,885 Sq Ft
    • Built 2024

    Last Sold Summary

    • $212/SF
    • 83 Days On Market

    Last Listing Agent Adam Smith Boss Real Estate

    1218 Highpoint Ln, Canyon Lake, TX 78070
  • 1381 Overbrook Ln, Spring Branch, TX 78070
    1381 Overbrook Ln, Spring Branch, TX 78070
    1381 Overbrook Ln, Spring Branch, TX 78070
    /21

    $338,995 Last List Price Sold Nov 17, 2025

    1381 Overbrook Ln, Spring Branch, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,366 Sq Ft
    • Built 2022

    Last Sold Summary

    • $248/SF
    • 111 Days On Market

    Last Listing Agent Joy Flamer All City San Antonio Registered Series

    1381 Overbrook Ln, Spring Branch, TX 78070
  • 335 Toucan Dr, Spring Branch, TX 78070
    335 Toucan Dr, Spring Branch, TX 78070
    335 Toucan Dr, Spring Branch, TX 78070
    /41

    $748,999 Last List Price Sold Mar 27, 2025

    335 Toucan Dr, Spring Branch, TX 78070

    • 3 Beds
    • 2.5 Baths
    • 2,419 Sq Ft
    • Built 2024

    Last Sold Summary

    • $310/SF
    • 124 Days On Market

    Current Estimated Value $748,999

    Last Listing Agent Andrea Pogue Penny B Properties

    335 Toucan Dr, Spring Branch, TX 78070
  • 318 Crooked Oak Dr, Spring Branch, TX 78070
    318 Crooked Oak Dr, Spring Branch, TX 78070
    318 Crooked Oak Dr, Spring Branch, TX 78070
    /20

    $229,900 Last List Price Sold Dec 01, 2025

    318 Crooked Oak Dr, Spring Branch, TX 78070

    • Land
    • 2.5 Acres
    • $91,960 per Acre

    Last Sold Summary

    • 132 Days On Market

    Last Listing Agent Paul Sullivan Sullivan Hill Country Properti

    318 Crooked Oak Dr, Spring Branch, TX 78070
  • 580 Compass Rose, Canyon Lake, TX 78133
    580 Compass Rose, Canyon Lake, TX 78133
    580 Compass Rose, Canyon Lake, TX 78133
    /18

    $479,000 Last List Price Sold Nov 12, 2025

    580 Compass Rose, Canyon Lake, TX 78133

    • 3 Beds
    • 2 Baths
    • 1,790 Sq Ft
    • Built 2024

    Last Sold Summary

    • $268/SF
    • 68 Days On Market

    Last Listing Agent Maria Bienvenu Resi Realty, LLC

    580 Compass Rose, Canyon Lake, TX 78133
  • 2560 Elm Cir, Spring Branch, TX 78070
    2560 Elm Cir, Spring Branch, TX 78070
    2560 Elm Cir, Spring Branch, TX 78070
    /10

    $185,000 Last List Price Sold Jun 09, 2025

    2560 Elm Cir, Spring Branch, TX 78070

    • Land
    • 1.98 Acres
    • $93,482 per Acre

    Last Sold Summary

    • 67 Days On Market

    Last Listing Agent Samantha Baer Compass RE Texas, LLC - SA

    2560 Elm Cir, Spring Branch, TX 78070
  • 478 Bentwood Dr, Spring Branch, TX 78070
    478 Bentwood Dr, Spring Branch, TX 78070
    478 Bentwood Dr, Spring Branch, TX 78070
    /37

    $789,000 Last List Price Sold Feb 26, 2025

    478 Bentwood Dr, Spring Branch, TX 78070

    • 4 Beds
    • 3.5 Baths
    • 3,301 Sq Ft
    • Built 2014

    Last Sold Summary

    • $239/SF
    • 69 Days On Market

    Current Estimated Value $789,000

    Last Listing Agent Stacie Poorman Premier Town & Country Realty

    478 Bentwood Dr, Spring Branch, TX 78070
  • 1028 Fabled Way, Canyon Lake, TX 78070
    1028 Fabled Way, Canyon Lake, TX 78070
    1028 Fabled Way, Canyon Lake, TX 78070
    /34

    $500,000 Last List Price Sold Feb 21, 2025

    1028 Fabled Way, Canyon Lake, TX 78070

    • Land
    • 1.43 Acres
    • $349,650 per Acre

    Last Sold Summary

    • 128 Days On Market

    Current Estimated Value $500,000

    Last Listing Agent Craig Browning Phyllis Browning Company

    1028 Fabled Way, Canyon Lake, TX 78070
  • 588 Indian Scout, Canyon Lake, TX 78070
    588 Indian Scout, Canyon Lake, TX 78070
    588 Indian Scout, Canyon Lake, TX 78070
    /34

    $378,999 Last List Price Sold Jan 30, 2025

    588 Indian Scout, Canyon Lake, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,378 Sq Ft
    • Built 2024

    Last Sold Summary

    • $275/SF
    • 45 Days On Market

    Last Listing Agent Chelsea Evans Real Broker, LLC

    588 Indian Scout, Canyon Lake, TX 78070
  • 265 Twin Lake Trail, Spring Branch, TX 78070
    265 Twin Lake Trail, Spring Branch, TX 78070
    265 Twin Lake Trail, Spring Branch, TX 78070
    /25

    $295,000 Last List Price Sold Mar 04, 2025

    265 Twin Lake Trail, Spring Branch, TX 78070

    • 2 Beds
    • 1 Bath
    • 858 Sq Ft
    • Built 2024

    Last Sold Summary

    • $344/SF
    • 103 Days On Market

    Current Estimated Value $295,000

    Last Listing Agent Eva Varga eXp Realty

    265 Twin Lake Trail, Spring Branch, TX 78070
  • 282 & 266 Park Grove, Spring Branch, TX 78070
    282 & 266 Park Grove, Spring Branch, TX 78070
    282 & 266 Park Grove, Spring Branch, TX 78070
    /37

    $380,000 Last List Price Sold Mar 12, 2025

    282 & 266 Park Grove, Spring Branch, TX 78070

    • 3 Beds
    • 2 Baths
    • 1,949 Sq Ft
    • Built 2010

    Last Sold Summary

    • $195/SF
    • 125 Days On Market

    Current Estimated Value $380,000

    Last Listing Agent Andrew Corder Real Broker

    282 & 266 Park Grove, Spring Branch, TX 78070
  • 171 Grey Fox Cir, Spring Branch, TX 78070
    171 Grey Fox Cir, Spring Branch, TX 78070
    171 Grey Fox Cir, Spring Branch, TX 78070
    /25

    $599,800 Last List Price Sold Mar 04, 2025

    171 Grey Fox Cir, Spring Branch, TX 78070

    • 4 Beds
    • 2.5 Baths
    • 2,013 Sq Ft
    • Built 2024

    Last Sold Summary

    • $298/SF
    • 78 Days On Market

    Current Estimated Value $599,800

    Last Listing Agent Suzanne Kuntz Keller Williams Heritage

    171 Grey Fox Cir, Spring Branch, TX 78070
  • 4013 Fire Candle, Spring Branch, TX 78070
    4013 Fire Candle, Spring Branch, TX 78070
    4013 Fire Candle, Spring Branch, TX 78070
    /10

    $170,000 Last List Price Sold Feb 07, 2025

    4013 Fire Candle, Spring Branch, TX 78070

    • Land
    • 3.15 Acres
    • $53,968 per Acre

    Last Sold Summary

    • 154 Days On Market

    Current Estimated Value $170,000

    Last Listing Agent Lesli Matt Hill Country Flat Fee Realty

    4013 Fire Candle, Spring Branch, TX 78070
  • 154 Gadwall Way, Spring Branch, TX 78070
    154 Gadwall Way, Spring Branch, TX 78070
    154 Gadwall Way, Spring Branch, TX 78070
    /70

    $920,000 Last List Price Sold May 14, 2025

    154 Gadwall Way, Spring Branch, TX 78070

    • 3 Beds
    • 3.5 Baths
    • 3,687 Sq Ft
    • Built 2006

    Last Sold Summary

    • $250/SF
    • 55 Days On Market

    Current Estimated Value $920,000

    Last Listing Agent Kimberly Gray Keller Williams Heritage

    154 Gadwall Way, Spring Branch, TX 78070
  • 0 tbd Cliff Dr, Spring Branch, TX 78070
    0 tbd Cliff Dr, Spring Branch, TX 78070
    0 tbd Cliff Dr, Spring Branch, TX 78070
    /4

    $24,900 Last List Price Sold Jun 06, 2025

    0 tbd Cliff Dr, Spring Branch, TX 78070

    • Land
    • 0.17 Acre
    • $146,471 per Acre

    Last Sold Summary

    • 14 Days On Market

    Last Listing Agent Gary Rutten C R Phoenix Real Estate

    0 tbd Cliff Dr, Spring Branch, TX 78070
  • 341 River Cliff Place, Spring Branch, TX 78070

    $539,000 Last List Price Sold Nov 26, 2025

    341 River Cliff Place, Spring Branch, TX 78070

    • Land
    • 8.61 Acres
    • $62,602 per Acre

    Last Sold Summary

    • 262 Days On Market

    Last Listing Agent Gina Pearce eXp Realty LLC

    341 River Cliff Place, Spring Branch, TX 78070
  • 582 Whispering Oaks, Spring Branch, TX 78070
    582 Whispering Oaks, Spring Branch, TX 78070
    582 Whispering Oaks, Spring Branch, TX 78070
    /24

    $389,000 Last List Price Sold Apr 23, 2025

    582 Whispering Oaks, Spring Branch, TX 78070

    • Land
    • 5 Acres
    • $77,800 per Acre

    Last Sold Summary

    • 14 Days On Market

    Last Listing Agent Mark Phillips Hill Country Flat Fee Realty

    582 Whispering Oaks, Spring Branch, TX 78070
  • 1891 Rolling River View, Spring Branch, TX 78070
    1891 Rolling River View, Spring Branch, TX 78070
    /2

    $60,000 Last List Price Sold Sep 16, 2025

    1891 Rolling River View, Spring Branch, TX 78070

    • Land
    • 0.51 Acre
    • $117,188 per Acre

    Last Sold Summary

    • 272 Days On Market

    Current Estimated Value $60,000

    Last Listing Agent Brian M. Paris Keller Williams City-View

    1891 Rolling River View, Spring Branch, TX 78070
  • 2455 Frontier, Spring Branch, TX 78070
    2455 Frontier, Spring Branch, TX 78070
    2455 Frontier, Spring Branch, TX 78070
    /43

    $884,000 Last List Price Sold Jun 13, 2025

    2455 Frontier, Spring Branch, TX 78070

    • 4 Beds
    • 3.5 Baths
    • 3,332 Sq Ft
    • Built 2003

    Last Sold Summary

    • $265/SF
    • 32 Days On Market

    Current Estimated Value $884,000

    Last Listing Agent Kimberly Gray Keller Williams Heritage

    2455 Frontier, Spring Branch, TX 78070

Showing Results 201 - 240, Page 6 of 15

Texas Comal County Spring Branch 78070

Recently Sold Real Estate & Homes in 78070

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