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19720 Real Estate and Properties for Sale

$395,000
Coming Soon
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36 S INDEPENDENCE BOULEVARD

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 2 Baths
  • 1,925 sqft
$289,000
Active
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108 GRIFFITH COURT

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 5 Baths
  • 1,980 sqft
$1,550
Active
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10 BAYLIS STREET

NEW CASTLE, DE 19720

  • Rental
  • 2 Beds
  • 1 Bath
  • 1,950 sqft
$1,500
Coming Soon
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16 MOWERY ROAD #16A

NEW CASTLE, DE 19720

  • Rental
  • 2 Beds
  • 1 Bath
  • 700 sqft
$1,650
Active
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221B HIGHLAND BOULEVARD

NEW CASTLE, DE 19720

  • Rental
  • 2 Beds
  • 2 Baths
  • 916 sqft
$325,000
Active
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137 ATLAS DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,600 sqft
$1,000,000
Active
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2994 NEW CASTLE AVENUE

NEW CASTLE, DE 19720

  • Commercial
  • 2,721 sqft
$289,000
Active
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127 HUNN ROAD

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,000 sqft
$324,900
Active
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216 E 2ND STREET

NEW CASTLE, DE 19720

  • Single Family
  • 2 Beds
  • 2 Baths
  • 1,400 sqft
$285,000
Active
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921 GRAY STREET

HISTORIC NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 2 Baths
  • 1,125 sqft
$350,000
Coming Soon
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142 CASIMIR

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,925 sqft
$299,999
Active
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66 CHESTERFIELD DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,000 sqft
$1,600
Active
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1010 CLAYTON

NEW CASTLE, DE 19720

  • Rental
  • 2 Beds
  • 1 Bath
  • 860 sqft
$499,000
Coming Soon
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123 STUYVESANT AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 3 Baths
  • 1,871 sqft
$309,000
Active
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103 TALBOT DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,025 sqft
$174,900
Active
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115 STONE HURST COURT #115

NEW CASTLE, DE 19720

  • Single Family
  • 2 Beds
  • 2 Baths
$425,000
Active
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19 VALLEY FORGE ROAD

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 3 Baths
  • 2,359 sqft
$415,000
Active
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12 DUNSINANE DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 3 Baths
  • 2,125 sqft
$399,900
Coming Soon
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5 SMALLWOOD LANE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 3,101 sqft
$425,000
Active
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805 CORNSTALK DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 4 Baths
  • 1,875 sqft
$309,777
Active
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40 UNIVERSITY AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 5 Beds
  • 3 Baths
  • 2,275 sqft
$309,000
Coming Soon
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133 KARLYN DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,275 sqft
$345,000
Active
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204 GARFIELD AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,500 sqft
$299,999
Active
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48 YALE AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,150 sqft
$365,000
Active
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332 E ROOSEVELT AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,375 sqft
$475,000
Active
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20 BAYWATCH ROAD

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 3 Baths
  • 1,550 sqft
$389,995
Active
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127 N KATRIN CIRCLE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 3 Baths
  • 1,175 sqft
$475,000
Active
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207 ROLLING GREEN AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 3 Baths
  • 2,500 sqft
$298,000
Active
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2 WILLIAM PENN SQUARE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,200 sqft
$475,000
Active
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650 W 7TH STREET

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 2 Baths
  • 2,825 sqft
$279,000
Active
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209 PARMA AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,475 sqft
$319,999
Active
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146 RODNEY DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,225 sqft
$1,095,000
Active
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1024 MATTHEW WAY

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 5 Baths
  • 6,750 sqft
$2,400
Active
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208 W 9TH STREET

NEW CASTLE, DE 19720

  • Rental
  • 3 Beds
  • 4 Baths
  • 1,280 sqft
$49,000
Active
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108 THORN LANE

NEW CASTLE, DE 19720

  • Single Family
  • 1,025 sqft
$389,900
Active
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2 ARBUTUS AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 3 Baths
  • 1,900 sqft
$319,900
Active
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308 7TH STREET

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,098 sqft
$319,000
Active
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121 ROBINSON

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,000 sqft
$199,900
Active
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1012 WILLINGS WAY #1012

NEW CASTLE, DE 19720

  • Single Family
  • 2 Beds
  • 2 Baths
$1,150,000
Active
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1030 MATTHEW WAY

NEW CASTLE, DE 19720

  • Single Family
  • 5 Beds
  • 5 Baths
  • 6,600 sqft
$320,000
Coming Soon
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56 MORRIS ROAD

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 900 sqft
$1,750
Active
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200 DELAWARE STREET #1

NEW CASTLE, DE 19720

  • Rental
  • 1 Bed
  • 1 Bath
$3,000
Active
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43 W 5TH STREET

NEW CASTLE, DE 19720

  • Rental
  • 3 Beds
  • 2 Baths
  • 2,475 sqft
$275,000
Active
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7 DEBORAH AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 900 sqft
$750,000
Active
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1103 CASEY DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 4 Baths
  • 3,800 sqft
$424,250
Active
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560 ARROWGRASS LANE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 3 Baths
  • 2,278 sqft
$1,800
Active
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222 DELAWARE ST. #2

NEW CASTLE, DE 19720

  • Rental
  • 1 Bed
  • 1 Bath
$2,200
Active
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114 BALDT AVE

NEW CASTLE, DE 19720

  • Rental
  • 3 Beds
  • 2 Baths
  • 1,300 sqft
$597,900
Active
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1010 RED LION ROAD

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 2,660 sqft
$330,000
Active
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103 MEMORIAL DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,788 sqft
$1,750,000
Active
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461 OLD AIRPORT ROAD

NEW CASTLE, DE 19720

  • Commercial
  • 1,152 sqft
$289,500
Active
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422 HOWELL DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,000 sqft
$700,000
Active
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803 SYLVIA WAY

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 4 Baths
  • 3,225 sqft
$1,400
Active
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733 CENTER STREET

NEW CASTLE, DE 19720

  • Rental
  • 2 Beds
  • 1 Bath
  • 950 sqft
$375,000
Coming Soon
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5 HOLLY DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 2 Baths
  • 1,625 sqft
$2,650
Active
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13 ARBUTUS #UNIT 1

NEW CASTLE, DE 19720

  • Rental
  • 3 Beds
  • 2 Baths
  • 1,600 sqft
$1,300
Active
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166-B S DUPONT HIGHWAY

NEW CASTLE, DE 19720

  • Rental
  • 1 Bed
  • 1 Bath
  • 590 sqft
$580,000
Active
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26 W 4TH STREET

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 3 Baths
  • 2,775 sqft
$440,000
Active
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5 CAVALLERO COURT

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 3 Baths
  • 1,625 sqft
$290,000
Active
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402 WEST AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,210 sqft
$399,950
Active
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559 ARROWGRASS LANE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 3 Baths
  • 2,278 sqft
$1,900
Active
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10 W BURTON AVENUE

NEW CASTLE, DE 19720

  • Rental
  • 3 Beds
  • 1 Bath
  • 900 sqft
$100,000
Active
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610 W 11TH #23

NEW CASTLE, DE 19720

  • Single Family
  • 1 Bed
  • 1 Bath
$528,999
Active
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515 BLUEBILL DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 3 Baths
  • 3,900 sqft
$529,900
Active
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404 PIGEON VIEW LANE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 4 Baths
  • 3,300 sqft
$260,000
Active
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20 CHESTERFIELD DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,475 sqft
$359,999
Active
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19 BEACON LANE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,700 sqft
$239,900
Active
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202 MINQUADALE BOULEVARD

NEW CASTLE, DE 19720

  • Single Family
  • 2 Beds
  • 1 Bath
  • 979 sqft
$865,000
Active
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13 THE STRAND

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 5 Baths
  • 3,199 sqft
$465,000
Active
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18 GEORGE READ ROAD

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 4 Baths
  • 2,853 sqft
$400,000
Active
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155 CASIMIR

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 3 Baths
  • 1,750 sqft
$399,000
Active
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6 CHIMING ROAD

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 2 Baths
  • 1,575 sqft
$2,500
Active
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213 SECOND STREET

NEW CASTLE, DE 19720

  • Rental
  • 3 Beds
  • 2 Baths
  • 1,150 sqft
$779,900
Active
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1238 CAITLIN WAY

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 4 Baths
  • 4,417 sqft
$510,000
Active
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1607 WIEGON DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 4 Beds
  • 3 Baths
  • 2,550 sqft
$327,000
Active
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7 GAINOR ROAD

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 1,475 sqft
$499,000
Active
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4084 NEW CASTLE AVENUE

NEW CASTLE, DE 19720

  • Commercial
  • 1,000 sqft
$335,000
Active
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321 BASSETT AVENUE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 2 Baths
  • 1,000 sqft
$850,000
Active
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327 AIRPORT ROAD

NEW CASTLE, DE 19720

  • Commercial
  • 2,000 sqft
$289,000
Active
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250 APPLEBY ROAD

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 875 sqft
$405,000
Active
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11 DUNSINANE DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 5 Beds
  • 2 Baths
  • 2,100 sqft
$280,000
Active
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11 CASTLE HILL DRIVE

NEW CASTLE, DE 19720

  • Single Family
  • 3 Beds
  • 1 Bath
  • 862 sqft
$55,000
Active
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41 HOLCOMB LANE

NEW CASTLE, DE 19720

  • Vacant Land
$1,150
Active
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802 13TH STREET #B

NEW CASTLE, DE 19720

  • Rental
  • 3 Beds
  • 1 Bath
$4,000,000
Active
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602 N DUPONT HIGHWAY

NEW CASTLE, DE 19720

  • Commercial
  • 30,000 sqft
$159,000
Active
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0 WASHINGTON STREET

NEW CASTLE, DE 19720

  • Vacant Land
The data relating to real estate for sale on this web site comes in part from the IDX program of BRIGHT MLS. Information is supplied by seller and other third parties and has not been verified. All information provided is deemed reliable but is not guaranteed. All properties are subject to prior sale or withdrawal. Data may not be reproduced or redistributed and may not be used for any purpose other than consumers’ personal, non-commercial use. MLS Data Last Updated 6/30/2026 12:31 PM PST. Copyright 2026 BRIGHT MLS – All Rights Reserved.