57

Recently Sold Homes in 49246

Section Image
  • 0 Mathews Rd Parcel C, Spring Arbor, MI 49283
    0 Mathews Rd Parcel C, Spring Arbor, MI 49283
    0 Mathews Rd Parcel C, Spring Arbor, MI 49283
    /6

    $29,000 Sold May 16, 2025

    0 Mathews Rd Parcel C, Spring Arbor, MI 49283

    • Land
    • 2.27 Acres
    • $12,775 per Acre

    Last Sold Summary

    • 22% Below List Price
    • 6 Days On Market

    Last Listing Agent Rusty Wellman The Real Estate Connection

    0 Mathews Rd Parcel C, Spring Arbor, MI 49283
  • 231 Pine Hill Lake Dr, Horton, MI 49246

    $429,000 Sold Jun 02, 2025

    231 Pine Hill Lake Dr, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 1,040 Sq Ft
    • Built 1981

    Last Sold Summary

    • $412/SF
    • 35 Days On Market

    Current Estimated Value $441,164

    Last Listing Agent Pete Gallagher Keller Williams Premier

    231 Pine Hill Lake Dr, Horton, MI 49246
  • 7499 Mathews Rd, Spring Arbor, MI 49283
    7499 Mathews Rd, Spring Arbor, MI 49283
    7499 Mathews Rd, Spring Arbor, MI 49283
    /52

    $800,000 Sold Dec 15, 2025

    7499 Mathews Rd, Spring Arbor, MI 49283

    • 4 Beds
    • 3 Baths
    • 1,880 Sq Ft
    • Built 2022

    Last Sold Summary

    • $426/SF

    Last Listing Agent Jeff Glover Keller Williams Professionals

    7499 Mathews Rd, Spring Arbor, MI 49283
  • 0, Spring Arbor, MI 49283
    0, Spring Arbor, MI 49283
    0, Spring Arbor, MI 49283
    /6

    $29,000 Sold May 16, 2025

    0, Spring Arbor, MI 49283

    • Land
    • 2.27 Acres
    • $12,775 per Acre

    Last Sold Summary

    • 22% Below List Price
    • 6 Days On Market

    Last Listing Agent Rusty Wellman The Real Estate Connection

    0, Spring Arbor, MI 49283
  • 447 Paradise Ln, Horton, MI 49246
    447 Paradise Ln, Horton, MI 49246
    447 Paradise Ln, Horton, MI 49246
    /45

    $675,000 Sold Sep 11, 2025

    447 Paradise Ln, Horton, MI 49246

    • 2 Beds
    • 2 Baths
    • 1,550 Sq Ft
    • Built 1930

    Last Sold Summary

    • 10% Below List Price
    • $435/SF
    • 44 Days On Market

    Current Estimated Value $676,882

    Last Listing Agent Gavin Homer eXp Realty LLC

    447 Paradise Ln, Horton, MI 49246
  • 7521 Tripp Rd, Horton, MI 49246
    7521 Tripp Rd, Horton, MI 49246
    7521 Tripp Rd, Horton, MI 49246
    /24

    $234,900 Sold Jun 20, 2025

    7521 Tripp Rd, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 960 Sq Ft
    • Built 1973

    Last Sold Summary

    • $245/SF
    • 81 Days On Market

    Current Estimated Value $239,117

    Last Listing Agent Alex Perlos ERA REARDON REALTY, L.L.C.

    7521 Tripp Rd, Horton, MI 49246
  • 10785 Moscow Rd, Jonesville, MI 49250

    $196,000 Sold May 30, 2025

    10785 Moscow Rd, Jonesville, MI 49250

    • 4 Beds
    • 1.5 Baths
    • 2,020 Sq Ft
    • Built 1926

    Last Sold Summary

    • 17% Below List Price
    • $97/SF
    • 86 Days On Market

    Current Estimated Value $196,667

    Last Listing Agent Amy-Tony Simpkins Goedert Real Estate - Adr

    10785 Moscow Rd, Jonesville, MI 49250
  • 1704 Little Dr, Horton, MI 49246
    1704 Little Dr, Horton, MI 49246
    1704 Little Dr, Horton, MI 49246
    /50

    $630,000 Sold Jul 25, 2025

    1704 Little Dr, Horton, MI 49246

    • 3 Beds
    • 2.5 Baths
    • 2,260 Sq Ft
    • Built 1981

    Last Sold Summary

    • 6% Below List Price
    • $279/SF
    • 58 Days On Market

    Current Estimated Value $629,514

    Last Listing Agent Stephanie Bosanac RE/MAX MID-MICHIGAN R.E.

    1704 Little Dr, Horton, MI 49246
  • 9491 Thorne Rd, Horton, MI 49246
    9491 Thorne Rd, Horton, MI 49246
    9491 Thorne Rd, Horton, MI 49246
    /35

    $275,000 Sold May 16, 2025

    9491 Thorne Rd, Horton, MI 49246

    • 4 Beds
    • 2 Baths
    • 1,512 Sq Ft
    • Built 2015

    Last Sold Summary

    • 23% Below List Price
    • $182/SF
    • 207 Days On Market

    Current Estimated Value $290,197

    Last Listing Agent Hayley Reifel The Charles Reinhart Company

    9491 Thorne Rd, Horton, MI 49246
  • 240 Aquamarine Dr, Horton, MI 49246
    240 Aquamarine Dr, Horton, MI 49246
    240 Aquamarine Dr, Horton, MI 49246
    /84

    $1,342,000 Sold Oct 08, 2025

    240 Aquamarine Dr, Horton, MI 49246

    • 3 Beds
    • 2.5 Baths
    • 3,088 Sq Ft
    • Built 1930

    Last Sold Summary

    • 13% Below List Price
    • $435/SF
    • 50 Days On Market

    Current Estimated Value $1,392,709

    Last Listing Agent Jennifer Murphy Coldwell Banker Beiswanger Realty Group

    240 Aquamarine Dr, Horton, MI 49246
  • 6510 Folks Rd, Horton, MI 49246
    6510 Folks Rd, Horton, MI 49246
    6510 Folks Rd, Horton, MI 49246
    /39

    $259,000 Sold May 07, 2025

    6510 Folks Rd, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 2,320 Sq Ft
    • Built 1955

    Last Sold Summary

    • 6% Below List Price
    • $112/SF
    • 178 Days On Market

    Current Estimated Value $283,041

    Last Listing Agent Tamra Allen Production Realty

    6510 Folks Rd, Horton, MI 49246
  • 12545 Leisure Ln, Horton, MI 49246
    12545 Leisure Ln, Horton, MI 49246
    12545 Leisure Ln, Horton, MI 49246
    /70

    $875,000 Sold Oct 24, 2025

    12545 Leisure Ln, Horton, MI 49246

    • 3 Beds
    • 3 Baths
    • 2,424 Sq Ft
    • Built 1991

    Last Sold Summary

    • 3% Below List Price
    • $361/SF
    • 17 Days On Market

    Current Estimated Value $876,214

    Last Listing Agent Stephanie Bosanac RE/MAX MID-MICHIGAN R.E.

    12545 Leisure Ln, Horton, MI 49246
  • 235 Steves Scenic Dr, Horton, MI 49246
    235 Steves Scenic Dr, Horton, MI 49246
    235 Steves Scenic Dr, Horton, MI 49246
    /98

    $577,319 Sold Nov 13, 2025

    235 Steves Scenic Dr, Horton, MI 49246

    • 3 Beds
    • 2.5 Baths
    • 2,098 Sq Ft
    • Built 2025

    Last Sold Summary

    • 11% Below List Price
    • $275/SF
    • 40 Days On Market

    Last Listing Agent Jennifer Murphy Coldwell Banker Beiswanger Realty Group

    235 Steves Scenic Dr, Horton, MI 49246
  • 190 Steves Scenic Dr, Horton, MI 49246
    190 Steves Scenic Dr, Horton, MI 49246
    190 Steves Scenic Dr, Horton, MI 49246
    /47

    $475,000 Sold Jan 09, 2026

    190 Steves Scenic Dr, Horton, MI 49246

    • 4 Beds
    • 1.5 Baths
    • 1,740 Sq Ft
    • Built 1978

    Last Sold Summary

    • 17% Below List Price
    • $273/SF
    • 405 Days On Market

    Last Listing Agent Stephanie Bosanac RE/MAX MID-MICHIGAN R.E.

    190 Steves Scenic Dr, Horton, MI 49246
  • 3637 Hanover Rd, Horton, MI 49246
    3637 Hanover Rd, Horton, MI 49246
    3637 Hanover Rd, Horton, MI 49246
    /31

    $115,000 Sold Mar 21, 2025

    3637 Hanover Rd, Horton, MI 49246

    • 3 Beds
    • 1 Bath
    • 1,890 Sq Ft

    Last Sold Summary

    • 8% Below List Price
    • $61/SF
    • 2 Days On Market

    Last Listing Agent Brock Spink ERA REARDON REALTY, L.L.C.

    3637 Hanover Rd, Horton, MI 49246
  • 1094 Lake Marie Dr, Horton, MI 49246
    1094 Lake Marie Dr, Horton, MI 49246
    1094 Lake Marie Dr, Horton, MI 49246
    /22

    $236,900 Sold Jul 25, 2025

    1094 Lake Marie Dr, Horton, MI 49246

    • 3 Beds
    • 1 Bath
    • 1,562 Sq Ft
    • Built 1972

    Last Sold Summary

    • 1% Above List Price
    • $152/SF
    • 13 Days On Market

    Current Estimated Value $234,403

    Last Listing Agent Dana Brown The Brokerage House

    1094 Lake Marie Dr, Horton, MI 49246
  • 846 Morton Rd, Horton, MI 49246
    846 Morton Rd, Horton, MI 49246
    846 Morton Rd, Horton, MI 49246
    /69

    $285,000 Sold Aug 08, 2025

    846 Morton Rd, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 2,643 Sq Ft
    • Built 1979

    Last Sold Summary

    • $108/SF
    • 47 Days On Market

    Current Estimated Value $297,066

    Last Listing Agent Amanda Breneman eXp Realty, LLC

    846 Morton Rd, Horton, MI 49246
  • 0 Mathews Rd Parcel E, Spring Arbor, MI 49283
    0 Mathews Rd Parcel E, Spring Arbor, MI 49283
    0 Mathews Rd Parcel E, Spring Arbor, MI 49283
    /6

    $29,000 Sold May 16, 2025

    0 Mathews Rd Parcel E, Spring Arbor, MI 49283

    • Land
    • 2.27 Acres
    • $12,775 per Acre

    Last Sold Summary

    • 22% Below List Price
    • 6 Days On Market

    Last Listing Agent Rusty Wellman The Real Estate Connection

    0 Mathews Rd Parcel E, Spring Arbor, MI 49283
  • 8615 E Chicago Rd, Horton, MI 49246
    8615 E Chicago Rd, Horton, MI 49246
    8615 E Chicago Rd, Horton, MI 49246
    /25

    $325,000 Sold Jul 01, 2025

    8615 E Chicago Rd, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 2,240 Sq Ft
    • Built 2001

    Last Sold Summary

    • 7% Below List Price
    • $145/SF
    • 26 Days On Market

    Current Estimated Value $338,479

    Last Listing Agent Brandy Bice HOWARD HANNA REAL ESTATE SERVI

    8615 E Chicago Rd, Horton, MI 49246
  • 147 Ashworth Dr, Horton, MI 49246
    147 Ashworth Dr, Horton, MI 49246
    147 Ashworth Dr, Horton, MI 49246
    /106

    $1,000,000 Sold Oct 03, 2025

    147 Ashworth Dr, Horton, MI 49246

    • 5 Beds
    • 3 Baths
    • 3,405 Sq Ft
    • Built 1998

    Last Sold Summary

    • 17% Below List Price
    • $294/SF
    • 3 Days On Market

    Current Estimated Value $1,073,890

    Last Listing Agent Stephanie Bosanac RE/MAX MID-MICHIGAN R.E.

    147 Ashworth Dr, Horton, MI 49246
  • 5017 Farwell Lake Rd, Horton, MI 49246

    $201,000 Sold Jul 03, 2025

    5017 Farwell Lake Rd, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 1,248 Sq Ft
    • Built 2002

    Last Sold Summary

    • 14% Below List Price
    • $161/SF
    • 3 Days On Market

    Current Estimated Value $218,833

    Last Listing Agent Sandra Osmer National Realty Centers, Inc

    5017 Farwell Lake Rd, Horton, MI 49246
  • 0 Mathews Rd Parcel A, Spring Arbor, MI 49283
    0 Mathews Rd Parcel A, Spring Arbor, MI 49283
    0 Mathews Rd Parcel A, Spring Arbor, MI 49283
    /6

    $29,000 Sold May 16, 2025

    0 Mathews Rd Parcel A, Spring Arbor, MI 49283

    • Land
    • 2 Acres
    • $14,500 per Acre

    Last Sold Summary

    • 22% Below List Price
    • 6 Days On Market

    Last Listing Agent Rusty Wellman The Real Estate Connection

    0 Mathews Rd Parcel A, Spring Arbor, MI 49283
  • 186 Goldsmith Dr, Clarklake, MI 49234
    186 Goldsmith Dr, Clarklake, MI 49234
    186 Goldsmith Dr, Clarklake, MI 49234
    /59

    $340,000 Sold Aug 22, 2025

    186 Goldsmith Dr, Clarklake, MI 49234

    • 4 Beds
    • 2 Baths
    • 2,117 Sq Ft
    • Built 2002

    Last Sold Summary

    • 5% Below List Price
    • $161/SF
    • 10 Days On Market

    Current Estimated Value $349,525

    Last Listing Agent AJ Crownover RE/MAX MID-MICHIGAN R.E.

    186 Goldsmith Dr, Clarklake, MI 49234
  • 0, Spring Arbor, MI 49283
    0, Spring Arbor, MI 49283
    0, Spring Arbor, MI 49283
    /6

    $135,000 Sold May 16, 2025

    0, Spring Arbor, MI 49283

    • Land
    • 15.32 Acres
    • $8,812 per Acre

    Last Sold Summary

    • 10% Below List Price
    • 6 Days On Market

    Last Listing Agent Rusty Wellman The Real Estate Connection

    0, Spring Arbor, MI 49283
  • 485 Skyline Dr, Horton, MI 49246
    485 Skyline Dr, Horton, MI 49246
    485 Skyline Dr, Horton, MI 49246
    /43

    $259,900 Sold Jan 07, 2026

    485 Skyline Dr, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 1,568 Sq Ft
    • Built 2005

    Last Sold Summary

    • 4% Below List Price
    • $166/SF
    • 0 Days On Market

    Last Listing Agent Sharon Norton RE/MAX MID-MICHIGAN R.E.

    485 Skyline Dr, Horton, MI 49246
  • 142 Cottage Dr, Horton, MI 49246
    142 Cottage Dr, Horton, MI 49246
    142 Cottage Dr, Horton, MI 49246
    /61

    $725,000 Sold Apr 03, 2025

    142 Cottage Dr, Horton, MI 49246

    • 4 Beds
    • 3 Baths
    • 2,872 Sq Ft
    • Built 1950

    Last Sold Summary

    • 19% Below List Price
    • $252/SF
    • 53 Days On Market

    Current Estimated Value $708,527

    Last Listing Agent Stephanie Bosanac RE/MAX MID-MICHIGAN R.E.

    142 Cottage Dr, Horton, MI 49246
  • 3251 Hanover Rd, Horton, MI 49246
    3251 Hanover Rd, Horton, MI 49246
    3251 Hanover Rd, Horton, MI 49246
    /51

    $350,000 Sold Mar 14, 2025

    3251 Hanover Rd, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 1,200 Sq Ft
    • Built 2024

    Last Sold Summary

    • 12% Below List Price
    • $292/SF
    • 35 Days On Market

    Last Listing Agent Brock Spink ERA REARDON REALTY, L.L.C.

    3251 Hanover Rd, Horton, MI 49246
  • 0 Maple Dale Rd, Horton, MI 49246
    0 Maple Dale Rd, Horton, MI 49246
    0 Maple Dale Rd, Horton, MI 49246
    /7

    $57,000 Sold Dec 31, 2025

    0 Maple Dale Rd, Horton, MI 49246

    • Land
    • 17.42 Acres
    • $3,272 per Acre

    Last Sold Summary

    • 43% Below List Price

    Last Listing Agent LeAnne Hagemann RE/MAX Perrett Associates - Marshall

    0 Maple Dale Rd, Horton, MI 49246
  • 1620 Little Dr, Horton, MI 49246
    1620 Little Dr, Horton, MI 49246
    1620 Little Dr, Horton, MI 49246
    /52

    $675,000 Sold Jun 12, 2025

    1620 Little Dr, Horton, MI 49246

    • 4 Beds
    • 3 Baths
    • 2,450 Sq Ft
    • Built 1972

    Last Sold Summary

    • 13% Below List Price
    • $276/SF
    • 257 Days On Market

    Current Estimated Value $700,145

    Last Listing Agent Stephanie Bosanac RE/MAX MID-MICHIGAN R.E.

    1620 Little Dr, Horton, MI 49246
  • 120 Ashworth Dr, Horton, MI 49246
    120 Ashworth Dr, Horton, MI 49246
    120 Ashworth Dr, Horton, MI 49246
    /7

    $44,900 Sold Dec 05, 2025

    120 Ashworth Dr, Horton, MI 49246

    • Land
    • 0.48 Acre
    • $93,542 per Acre

    Last Sold Summary

    • 10% Below List Price
    • 24 Days On Market

    Last Listing Agent Skylar Harris The Brokerage House

    120 Ashworth Dr, Horton, MI 49246
  • 508 Maitland Dr, Horton, MI 49246
    508 Maitland Dr, Horton, MI 49246
    508 Maitland Dr, Horton, MI 49246
    /38

    $262,000 Sold Apr 18, 2025

    508 Maitland Dr, Horton, MI 49246

    • 5 Beds
    • 2 Baths
    • 3,563 Sq Ft
    • Built 1997

    Last Sold Summary

    • 5% Below List Price
    • $74/SF
    • 21 Days On Market

    Current Estimated Value $275,716

    Last Listing Agent Brock Fletcher KELLER WILLIAMS LANSING

    508 Maitland Dr, Horton, MI 49246
  • 7998 Sears Rd, Horton, MI 49246
    7998 Sears Rd, Horton, MI 49246
    7998 Sears Rd, Horton, MI 49246
    /69

    $309,000 Sold May 01, 2025

    7998 Sears Rd, Horton, MI 49246

    • 3 Beds
    • 2.5 Baths
    • 2,212 Sq Ft
    • Built 1976

    Last Sold Summary

    • 4% Above List Price
    • $140/SF
    • 4 Days On Market

    Current Estimated Value $319,296

    Last Listing Agent Pamela Mackinder Century 21 Affiliated - Jackson

    7998 Sears Rd, Horton, MI 49246
  • 7450 Sears Rd, Horton, MI 49246
    7450 Sears Rd, Horton, MI 49246
    7450 Sears Rd, Horton, MI 49246
    /69

    $675,000 Sold Oct 17, 2025

    7450 Sears Rd, Horton, MI 49246

    • 4 Beds
    • 3.5 Baths
    • 3,100 Sq Ft
    • Built 2022

    Last Sold Summary

    • 10% Below List Price
    • $218/SF
    • 178 Days On Market

    Current Estimated Value $676,401

    Last Listing Agent Jeff Redman Home 1st Real Estate

    7450 Sears Rd, Horton, MI 49246
  • 9875 Rountree Rd, Hanover, MI 49241
    9875 Rountree Rd, Hanover, MI 49241
    9875 Rountree Rd, Hanover, MI 49241
    /36

    $425,000 Sold Aug 12, 2025

    9875 Rountree Rd, Hanover, MI 49241

    • 3 Beds
    • 2 Baths
    • 1,629 Sq Ft
    • Built 1966

    Last Sold Summary

    • 6% Below List Price
    • $261/SF
    • 27 Days On Market

    Current Estimated Value $427,059

    Last Listing Agent Brock Spink ERA REARDON REALTY, L.L.C.

    9875 Rountree Rd, Hanover, MI 49241
  • 2650 Bader Rd, Horton, MI 49246
    2650 Bader Rd, Horton, MI 49246
    2650 Bader Rd, Horton, MI 49246
    /37

    $375,000 Sold Mar 19, 2025

    2650 Bader Rd, Horton, MI 49246

    • 4 Beds
    • 3 Baths
    • 2,454 Sq Ft
    • Built 1987

    Last Sold Summary

    • 11% Below List Price
    • $153/SF
    • 142 Days On Market

    Current Estimated Value $388,875

    Last Listing Agent Hayley Reifel The Charles Reinhart Company

    2650 Bader Rd, Horton, MI 49246
  • 4111 Hanover Rd, Horton, MI 49246
    4111 Hanover Rd, Horton, MI 49246
    4111 Hanover Rd, Horton, MI 49246
    /41

    $235,000 Sold Oct 24, 2025

    4111 Hanover Rd, Horton, MI 49246

    • 3 Beds
    • 1.5 Baths
    • 1,824 Sq Ft
    • Built 1946

    Last Sold Summary

    • 6% Below List Price
    • $129/SF
    • 17 Days On Market

    Current Estimated Value $244,540

    Last Listing Agent Stephanie Bosanac RE/MAX MID-MICHIGAN R.E.

    4111 Hanover Rd, Horton, MI 49246
  • 4991 Hatch Rd, Horton, MI 49246
    4991 Hatch Rd, Horton, MI 49246
    4991 Hatch Rd, Horton, MI 49246
    /71

    $410,000 Sold Jan 26, 2026

    4991 Hatch Rd, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 2,948 Sq Ft
    • Built 1900

    Last Sold Summary

    • 5% Below List Price
    • $139/SF
    • 73 Days On Market

    Last Listing Agent Collin Cote ERA REARDON - BROOKLYN

    4991 Hatch Rd, Horton, MI 49246
  • VL Weir Rd, Horton, MI 49246
    VL Weir Rd, Horton, MI 49246
    VL Weir Rd, Horton, MI 49246
    /11

    $270,000 Sold Nov 03, 2025

    VL Weir Rd, Horton, MI 49246

    • Land
    • 40 Acres
    • $6,750 per Acre

    Last Sold Summary

    • 25% Below List Price
    • 42 Days On Market

    Last Listing Agent Alex Perlos ERA REARDON REALTY, L.L.C.

    VL Weir Rd, Horton, MI 49246
  • 7100 Tripp Rd, Horton, MI 49246
    7100 Tripp Rd, Horton, MI 49246
    7100 Tripp Rd, Horton, MI 49246
    /51

    $216,000 Sold Jul 17, 2025

    7100 Tripp Rd, Horton, MI 49246

    • 3 Beds
    • 2 Baths
    • 1,568 Sq Ft
    • Built 1999

    Last Sold Summary

    • $138/SF
    • 2 Days On Market

    Current Estimated Value $241,297

    Last Listing Agent Blake Jenkins CENTURY 21 Affiliated

    7100 Tripp Rd, Horton, MI 49246
  • 10900 Round Lake Rd, Horton, MI 49246
    10900 Round Lake Rd, Horton, MI 49246
    10900 Round Lake Rd, Horton, MI 49246
    /65

    $360,000 Sold Oct 24, 2025

    10900 Round Lake Rd, Horton, MI 49246

    • 4 Beds
    • 2 Baths
    • 2,344 Sq Ft
    • Built 1969

    Last Sold Summary

    • 6% Below List Price
    • $154/SF
    • 150 Days On Market

    Current Estimated Value $369,541

    Last Listing Agent Heather Herndon HOWARD HANNA REAL ESTATE SERVI

    10900 Round Lake Rd, Horton, MI 49246

Showing Results 1 - 40, Page 1 of 2

Michigan Jackson County Horton 49246

Recently Sold Real Estate & Homes in 49246

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 © 2026 CoStar Group