90

Recently Sold Homes in 19941

Section Image Section Image
  • 14431 Breakwater Reach, Ellendale, DE 19941
    14431 Breakwater Reach, Ellendale, DE 19941
    14431 Breakwater Reach, Ellendale, DE 19941
    /56

    $415,000

    Sold Mar 30, 2026

    14431 Breakwater Reach, Ellendale, DE 19941

    • 4 Beds
    • 3 Baths
    • 1,802 Sq Ft
    • Built 2023

    Last Sold Summary

    • 2% Below List Price
    • $230/SF
    • 15 Days On Market

    Current Estimated Value $416,500

    Last Listing Agent Brian Barrows Monument Sotheby's International Realty

    14431 Breakwater Reach, Ellendale, DE 19941
  • 13313 Mullica Dr, Ellendale, DE 19941
    13313 Mullica Dr, Ellendale, DE 19941
    13313 Mullica Dr, Ellendale, DE 19941
    /30

    $378,190

    Sold Aug 29, 2025

    13313 Mullica Dr, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,676 Sq Ft
    • Built 2025

    Last Sold Summary

    • $226/SF
    • 109 Days On Market

    Last Listing Agent Jaime Hurlock Long & Foster Real Estate, Inc.

    13313 Mullica Dr, Ellendale, DE 19941
  • 109 Main St, Ellendale, DE 19941
    109 Main St, Ellendale, DE 19941
    109 Main St, Ellendale, DE 19941
    /29

    $307,500

    Sold Dec 05, 2025

    109 Main St, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,344 Sq Ft
    • Built 2025

    Last Sold Summary

    • $229/SF
    • 46 Days On Market

    Current Estimated Value $310,611

    Last Listing Agent Tyler Nicholls Iron Valley Real Estate Premier

    109 Main St, Ellendale, DE 19941
  • 14503 Beach Hwy, Ellendale, DE 19941
    14503 Beach Hwy, Ellendale, DE 19941
    14503 Beach Hwy, Ellendale, DE 19941
    /29

    $245,000

    Sold Feb 27, 2026

    14503 Beach Hwy, Ellendale, DE 19941

    • 2 Beds
    • 1 Bath
    • 1,140 Sq Ft
    • Built 1956

    Last Sold Summary

    • $215/SF
    • 3 Days On Market

    Current Estimated Value $244,739

    Last Listing Agent Deborah Baker Patterson-Schwartz-Hockessin

    14503 Beach Hwy, Ellendale, DE 19941
  • 23 Bonnie Ln Unit 52174, Ellendale, DE 19941
    23 Bonnie Ln Unit 52174, Ellendale, DE 19941
    23 Bonnie Ln Unit 52174, Ellendale, DE 19941
    /15

    $114,000

    Sold Jan 24, 2026

    23 Bonnie Ln Unit 52174, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,232 Sq Ft
    • Built 2000

    Last Sold Summary

    • $93/SF
    • 177 Days On Market

    Last Listing Agent Kellie Bergen Coldwell Banker Premier - Lewes

    23 Bonnie Ln Unit 52174, Ellendale, DE 19941
  • 12390 N Old State Rd, Ellendale, DE 19941
    12390 N Old State Rd, Ellendale, DE 19941
    12390 N Old State Rd, Ellendale, DE 19941
    /18

    $339,900

    Sold May 30, 2025

    12390 N Old State Rd, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,260 Sq Ft
    • Built 2025

    Last Sold Summary

    • $270/SF
    • 86 Days On Market

    Current Estimated Value $356,014

    Last Listing Agent George Chambers Jack Lingo - Lewes

    12390 N Old State Rd, Ellendale, DE 19941
  • 13305 Mullica Dr, Ellendale, DE 19941
    13305 Mullica Dr, Ellendale, DE 19941
    13305 Mullica Dr, Ellendale, DE 19941
    /20

    $400,990

    Sold Aug 11, 2025

    13305 Mullica Dr, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,676 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $239/SF
    • 102 Days On Market

    Lennar Newdale Acres - Manor

    13305 Mullica Dr, Ellendale, DE 19941
  • 11637 Diamond Ln, Ellendale, DE 19941
    11637 Diamond Ln, Ellendale, DE 19941
    11637 Diamond Ln, Ellendale, DE 19941
    /47

    $485,000

    Sold Jul 14, 2025

    11637 Diamond Ln, Ellendale, DE 19941

    • 6 Beds
    • 3 Baths
    • 3,268 Sq Ft
    • Built 2014

    Last Sold Summary

    • $148/SF
    • 337 Days On Market

    Current Estimated Value $498,023

    Last Listing Agent Adam Pusey The Real Estate Market

    11637 Diamond Ln, Ellendale, DE 19941
  • 521 Colette St, Ellendale, DE 19941
    521 Colette St, Ellendale, DE 19941
    521 Colette St, Ellendale, DE 19941
    /30

    $308,990

    Sold Mar 12, 2026

    521 Colette St, Ellendale, DE 19941

    • 3 Beds
    • 2.5 Baths
    • 1,500 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • 1% Above List Price
    • $206/SF
    • 8 Days On Market

    Current Estimated Value $1,124,258

    D.R. Horton Ingram Village

    521 Colette St, Ellendale, DE 19941
  • Lot 1 S Old State Rd, Ellendale, DE
    Lot 1 S Old State Rd, Ellendale, DE
    Lot 1 S Old State Rd, Ellendale, DE
    /7

    $97,500

    Sold Jul 17, 2025

    Lot 1 S Old State Rd, Ellendale, DE

    • Land
    • 1.27 Acres
    • $76,772 per Acre

    Last Sold Summary

    • 62 Days On Market

    Last Listing Agent Michael Kennedy Compass

    Lot 1 S Old State Rd, Ellendale, DE
  • 303 Main St, Ellendale, DE 19941
    303 Main St, Ellendale, DE 19941
    303 Main St, Ellendale, DE 19941
    /5

    $245,000

    Sold Jul 10, 2025

    303 Main St, Ellendale, DE 19941

    • 3 Beds
    • 1 Bath
    • 2,092 Sq Ft
    • Built 1910

    Last Sold Summary

    • $117/SF
    • 2 Days On Market

    Current Estimated Value $253,917

    Last Listing Agent Kristopher Clark Coastal Real Estate Group, LLC

    303 Main St, Ellendale, DE 19941
  • 13321 Mullica Dr, Ellendale, DE 19941
    13321 Mullica Dr, Ellendale, DE 19941
    13321 Mullica Dr, Ellendale, DE 19941
    /20

    $349,990

    Sold Sep 04, 2025

    13321 Mullica Dr, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,676 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $209/SF
    • 34 Days On Market

    Lennar Newdale Acres - Manor

    13321 Mullica Dr, Ellendale, DE 19941
  • 12004 Rosedale Ct, Ellendale, DE 19941
    12004 Rosedale Ct, Ellendale, DE 19941
    12004 Rosedale Ct, Ellendale, DE 19941
    /18

    $321,190

    Sold Feb 23, 2026

    12004 Rosedale Ct, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,534 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • $209/SF
    • 145 Days On Market

    Lennar Newdale Acres - Manor

    12004 Rosedale Ct, Ellendale, DE 19941
  • 26728 Northstar Dr, Ellendale, DE 19941
    26728 Northstar Dr, Ellendale, DE 19941
    26728 Northstar Dr, Ellendale, DE 19941
    /24

    $444,990

    Sold May 22, 2026

    26728 Northstar Dr, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,793 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • 1% Below List Price
    • $248/SF
    • 9 Days On Market

    K. Hovnanian Homes Captain's Way

    26728 Northstar Dr, Ellendale, DE 19941
  • 14963 Channel Run, Ellendale, DE 19941
    14963 Channel Run, Ellendale, DE 19941
    14963 Channel Run, Ellendale, DE 19941
    /19

    $429,990

    Sold Apr 01, 2026

    14963 Channel Run, Ellendale, DE 19941

    • 4 Beds
    • 2.5 Baths
    • 2,430 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • $177/SF
    • 20 Days On Market

    Current Estimated Value $421,302

    K. Hovnanian Homes Captain's Way

    14963 Channel Run, Ellendale, DE 19941
  • 20348 Reynolds Pond Rd, Ellendale, DE 19941
    20348 Reynolds Pond Rd, Ellendale, DE 19941
    20348 Reynolds Pond Rd, Ellendale, DE 19941
    /32

    $570,000

    Sold Oct 29, 2025

    20348 Reynolds Pond Rd, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 2,417 Sq Ft
    • Built 2025

    Last Sold Summary

    • $236/SF
    • 5 Days On Market

    Last Listing Agent Isha Iqbal Century 21 Gold Key Realty

    20348 Reynolds Pond Rd, Ellendale, DE 19941
  • 12014 Rosedale Ct, Ellendale, DE 19941
    12014 Rosedale Ct, Ellendale, DE 19941
    12014 Rosedale Ct, Ellendale, DE 19941
    /18

    $351,190

    Sold Oct 03, 2025

    12014 Rosedale Ct, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,534 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $229/SF
    • 43 Days On Market

    Lennar Newdale Acres - Townhomes

    12014 Rosedale Ct, Ellendale, DE 19941
  • 14960 Channel Run, Ellendale, DE 19941
    14960 Channel Run, Ellendale, DE 19941
    14960 Channel Run, Ellendale, DE 19941
    /13

    $464,900

    Sold Nov 14, 2025

    14960 Channel Run, Ellendale, DE 19941

    • 4 Beds
    • 2.5 Baths
    • 2,430 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $191/SF
    • 9,449 Days On Market

    Current Estimated Value $459,308

    K. Hovnanian Homes Captain's Way

    14960 Channel Run, Ellendale, DE 19941
  • 21246 Ridge Rd, Ellendale, DE 19941
    21246 Ridge Rd, Ellendale, DE 19941
    21246 Ridge Rd, Ellendale, DE 19941
    /22

    $390,000

    Sold Jul 03, 2025

    21246 Ridge Rd, Ellendale, DE 19941

    • 3 Beds
    • 2.5 Baths
    • 1,638 Sq Ft
    • Built 2021

    Last Sold Summary

    • $238/SF
    • 250 Days On Market

    Current Estimated Value $398,368

    Last Listing Agent Seth Lawrence Keller Williams Realty Central-Delaware

    21246 Ridge Rd, Ellendale, DE 19941
  • 12005 Rosedale Ct, Ellendale, DE 19941
    12005 Rosedale Ct, Ellendale, DE 19941
    12005 Rosedale Ct, Ellendale, DE 19941
    /18

    $299,990

    Sold Sep 26, 2025

    12005 Rosedale Ct, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,534 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $196/SF
    • 58 Days On Market

    Current Estimated Value $297,154

    Lennar Newdale Acres - Townhomes

    12005 Rosedale Ct, Ellendale, DE 19941
  • 208 Pine St, Ellendale, DE 19941
    208 Pine St, Ellendale, DE 19941
    /2

    $83,000

    Sold Nov 24, 2025

    208 Pine St, Ellendale, DE 19941

    • 2 Beds
    • 1 Bath
    • 825 Sq Ft
    • Built 1950

    Last Sold Summary

    • $101/SF
    • 0 Days On Market

    Current Estimated Value $131,809

    Last Listing Agent Eric Lafontaine Century 21 Emerald

    208 Pine St, Ellendale, DE 19941
  • 13627 Beaver Dam Rd, Ellendale, DE 19941
    13627 Beaver Dam Rd, Ellendale, DE 19941
    13627 Beaver Dam Rd, Ellendale, DE 19941
    /4

    $87,500

    Sold Aug 15, 2025

    13627 Beaver Dam Rd, Ellendale, DE 19941

    • Land
    • 1 Acre
    • $87,500 per Acre

    Last Sold Summary

    • 241 Days On Market

    Current Estimated Value $100,000

    Last Listing Agent Erin Baker Keller Williams Realty

    13627 Beaver Dam Rd, Ellendale, DE 19941
  • 513 Colette St, Ellendale, DE 19941
    513 Colette St, Ellendale, DE 19941
    513 Colette St, Ellendale, DE 19941
    /30

    $269,990

    Sold Jan 28, 2026

    513 Colette St, Ellendale, DE 19941

    • 3 Beds
    • 2.5 Baths
    • 1,365 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • $198/SF
    • 15 Days On Market

    Current Estimated Value $264,590

    D.R. Horton Ingram Village

    513 Colette St, Ellendale, DE 19941
  • 26028 Starboard Dr, Ellendale, DE 19941
    26028 Starboard Dr, Ellendale, DE 19941
    26028 Starboard Dr, Ellendale, DE 19941
    /36

    $400,000

    Sold Oct 07, 2025

    26028 Starboard Dr, Ellendale, DE 19941

    • 4 Beds
    • 3 Baths
    • 1,976 Sq Ft
    • Built 2021

    Last Sold Summary

    • $202/SF
    • 155 Days On Market

    Current Estimated Value $405,005

    Last Listing Agent Jordan Garcia Long & Foster Real Estate, Inc.

    26028 Starboard Dr, Ellendale, DE 19941
  • 14966 Channel Run, Ellendale, DE 19941
    14966 Channel Run, Ellendale, DE 19941
    14966 Channel Run, Ellendale, DE 19941
    /27

    $444,990

    Sold Apr 13, 2026

    14966 Channel Run, Ellendale, DE 19941

    • 4 Beds
    • 2 Baths
    • 1,793 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • 1% Below List Price
    • $248/SF
    • 6 Days On Market

    Current Estimated Value $440,990

    K. Hovnanian Homes Captain's Way

    14966 Channel Run, Ellendale, DE 19941
  • 12013 Rosedale Ct, Ellendale, DE 19941
    12013 Rosedale Ct, Ellendale, DE 19941
    12013 Rosedale Ct, Ellendale, DE 19941
    /19

    $292,140

    Sold Aug 15, 2025

    12013 Rosedale Ct, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,704 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $171/SF
    • 18 Days On Market

    Current Estimated Value $289,378

    Lennar Newdale Acres - Townhomes

    12013 Rosedale Ct, Ellendale, DE 19941
  • 22520 Hummingbird Rd, Ellendale, DE 19941
    22520 Hummingbird Rd, Ellendale, DE 19941
    22520 Hummingbird Rd, Ellendale, DE 19941
    /77

    $612,500

    Sold Dec 12, 2025

    22520 Hummingbird Rd, Ellendale, DE 19941

    • 4 Beds
    • 3.5 Baths
    • 2,085 Sq Ft
    • Built 2024

    Last Sold Summary

    • $294/SF
    • 392 Days On Market

    Last Listing Agent Skip Faust Coldwell Banker Premier - Rehoboth

    22520 Hummingbird Rd, Ellendale, DE 19941
  • 21227 Ridge Rd, Ellendale, DE 19941
    21227 Ridge Rd, Ellendale, DE 19941
    21227 Ridge Rd, Ellendale, DE 19941
    /36

    $430,000

    Sold Apr 17, 2026

    21227 Ridge Rd, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,638 Sq Ft
    • Built 2022

    Last Sold Summary

    • $263/SF
    • 174 Days On Market

    Current Estimated Value $430,209

    Last Listing Agent Russell Griffin Keller Williams Realty

    21227 Ridge Rd, Ellendale, DE 19941
  • 12029 Rosedale Ct, Ellendale, DE 19941
    12029 Rosedale Ct, Ellendale, DE 19941
    12029 Rosedale Ct, Ellendale, DE 19941
    /18

    $333,690

    Sold Oct 03, 2025

    12029 Rosedale Ct, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,534 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $218/SF
    • 43 Days On Market

    Lennar Newdale Acres - Townhomes

    12029 Rosedale Ct, Ellendale, DE 19941
  • 505 Colette St, Ellendale, DE 19941
    505 Colette St, Ellendale, DE 19941
    505 Colette St, Ellendale, DE 19941
    /30

    $276,990

    Sold Feb 11, 2026

    505 Colette St, Ellendale, DE 19941

    • 3 Beds
    • 2.5 Baths
    • 1,365 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • $203/SF
    • 12 Days On Market

    Current Estimated Value $271,450

    D.R. Horton Ingram Village

    505 Colette St, Ellendale, DE 19941
  • 22430 Hummingbird Rd, Ellendale, DE 19941
    22430 Hummingbird Rd, Ellendale, DE 19941
    22430 Hummingbird Rd, Ellendale, DE 19941
    /39

    $880,000

    Sold Feb 06, 2026

    22430 Hummingbird Rd, Ellendale, DE 19941

    • 4 Beds
    • 2.5 Baths
    • 3,355 Sq Ft
    • Built 2025

    Last Sold Summary

    • $262/SF
    • 65 Days On Market

    Last Listing Agent Anthony Savini 360 PROPERTY SOLUTIONS

    22430 Hummingbird Rd, Ellendale, DE 19941
  • 15012 Boatswain Ave, Ellendale, DE 19941
    15012 Boatswain Ave, Ellendale, DE 19941
    15012 Boatswain Ave, Ellendale, DE 19941
    /14

    $394,990

    Sold Apr 22, 2026

    15012 Boatswain Ave, Ellendale, DE 19941

    • 4 Beds
    • 2 Baths
    • 1,793 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • 1% Below List Price
    • $220/SF
    • 15 Days On Market

    Current Estimated Value $391,902

    K. Hovnanian Homes Captain's Way

    15012 Boatswain Ave, Ellendale, DE 19941
  • 12011 Rosedale Ct, Ellendale, DE 19941
    12011 Rosedale Ct, Ellendale, DE 19941
    12011 Rosedale Ct, Ellendale, DE 19941
    /19

    $293,840

    Sold Aug 14, 2025

    12011 Rosedale Ct, Ellendale, DE 19941

    • 3 Beds
    • 2 Baths
    • 1,704 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $172/SF
    • 17 Days On Market

    Current Estimated Value $289,378

    Lennar Newdale Acres - Townhomes

    12011 Rosedale Ct, Ellendale, DE 19941
  • 21000 Jefferson Rd, Lincoln, DE 19960
    21000 Jefferson Rd, Lincoln, DE 19960
    21000 Jefferson Rd, Lincoln, DE 19960
    /30

    $321,500

    Sold Jul 18, 2025

    21000 Jefferson Rd, Lincoln, DE 19960

    • 1 Bed
    • 1 Bath
    • 1,022 Sq Ft
    • Built 2022

    Last Sold Summary

    • $315/SF
    • 11 Days On Market

    Current Estimated Value $319,500

    Last Listing Agent Russell Griffin Keller Williams Realty

    21000 Jefferson Rd, Lincoln, DE 19960
  • 22226 Reynolds Pond Rd, Ellendale, DE 19941
    22226 Reynolds Pond Rd, Ellendale, DE 19941
    22226 Reynolds Pond Rd, Ellendale, DE 19941
    /43

    $677,125

    Sold Sep 11, 2025

    22226 Reynolds Pond Rd, Ellendale, DE 19941

    • 4 Beds
    • 3.5 Baths
    • 3,300 Sq Ft
    • Built 1987

    Last Sold Summary

    • $205/SF
    • 46 Days On Market

    Current Estimated Value $669,327

    Last Listing Agent Mary Niles Dayton Keller Williams Realty

    22226 Reynolds Pond Rd, Ellendale, DE 19941
  • 12255 Sowbridge Ln, Ellendale, DE 19941
    12255 Sowbridge Ln, Ellendale, DE 19941
    12255 Sowbridge Ln, Ellendale, DE 19941
    /22

    $943,549

    Sold Aug 25, 2025

    12255 Sowbridge Ln, Ellendale, DE 19941

    • 5 Beds
    • 3.5 Baths
    • 4,059 Sq Ft
    • Built 2025

    Last Sold Summary

    • $232/SF
    • 2 Days On Market

    Last Listing Agent Brent Reed Cape Realty

    12255 Sowbridge Ln, Ellendale, DE 19941
  • 515 Colette St, Ellendale, DE 19941
    515 Colette St, Ellendale, DE 19941
    515 Colette St, Ellendale, DE 19941
    /30

    $276,990

    Sold Feb 04, 2026

    515 Colette St, Ellendale, DE 19941

    • 3 Beds
    • 2.5 Baths
    • 1,365 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • 1% Above List Price
    • $203/SF
    • 8 Days On Market

    Current Estimated Value $271,450

    D.R. Horton Ingram Village

    515 Colette St, Ellendale, DE 19941
  • 14959 Channel Run, Ellendale, DE 19941
    14959 Channel Run, Ellendale, DE 19941
    14959 Channel Run, Ellendale, DE 19941
    /14

    $369,990

    Sold Dec 22, 2025

    14959 Channel Run, Ellendale, DE 19941

    • 4 Beds
    • 2 Baths
    • 1,793 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $206/SF
    • 9,487 Days On Market

    Current Estimated Value $371,396

    K. Hovnanian Homes Captain's Way

    14959 Channel Run, Ellendale, DE 19941
  • 561 Norwood Dr, Ellendale, DE 19941
    561 Norwood Dr, Ellendale, DE 19941
    561 Norwood Dr, Ellendale, DE 19941
    /31

    $300,490

    Sold Mar 11, 2026

    561 Norwood Dr, Ellendale, DE 19941

    • 3 Beds
    • 2.5 Baths
    • 1,365 Sq Ft
    • Built 2026

    Move in Ready Sold Summary

    • $220/SF
    • 26 Days On Market

    D.R. Horton Ingram Village

    561 Norwood Dr, Ellendale, DE 19941
  • 13309 Mullica Dr, Ellendale, DE 19941
    13309 Mullica Dr, Ellendale, DE 19941
    13309 Mullica Dr, Ellendale, DE 19941
    /23

    $349,900

    Sold Dec 23, 2025

    13309 Mullica Dr, Ellendale, DE 19941

    • 4 Beds
    • 2 Baths
    • 1,995 Sq Ft
    • Built 2025

    Move in Ready Sold Summary

    • $175/SF
    • 205 Days On Market

    Lennar Newdale Acres - Manor

    13309 Mullica Dr, Ellendale, DE 19941

Showing Results 41 - 80, Page 2 of 3

Delaware Sussex County Ellendale 19941

Recently Sold Real Estate & Homes in 19941

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