Keystone is an unincorporated census-designated place in Hillsborough County, Florida, United States. The population was 24,039 at the 2010 census, up from 14,627 at the 2000 census. The ZIP Codes encompassing the CDP area are 33556 and 33558.
Keystone is located in the northwest corner of Hillsborough County at 28°7′39″N 82°35′21″W (28.127550, -82.589117).[5] It is bordered to the east by Cheval and Northdale, to the southeast by Citrus Park, and to the south by Westchase, all in Hillsborough County. To the west, it is bordered by East Lake in Pinellas County, and to the north the CDP is bordered by Trinity and Odessa in Pasco County. Keystone is 22 miles (35 km) northwest of downtown Tampa. The CDP includes the older unincorporated community of Lake Fern.
Served by Hillsborough County Public School through the following:
Bryant Elementary School
Hammond Elementary School
Northwest Elementary School
McKitrick Elementary School
Farnell Middle School
Martinez Middle School
Keystone Homes For Sale
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Sold
$1,450,000-
Lot Size2.48 ac
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Home Size1,828 sqft
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Beds3 Beds
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Baths2 Baths
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Year Built1979
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Days on Market4
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Sold
$720,000-
Lot Size1.06 ac
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Home Size2,219 sqft
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Beds4 Beds
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Baths2 Baths
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Year Built1976
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Days on Market84
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See all City-Keystone Homes For Sale.
(all data current as of
3/7/2026)
Listing information deemed reliable but not guaranteed. Read full disclaimer.
All Homes for Sale in Hillsborough County
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$885,000-
Lot Size1.30 ac
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Home Size3,378 sqft
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Beds4 Beds
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Baths3 Baths
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Year Built2007
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Days on Market1
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$550,000-
Lot Size6,099 sqft
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Home Size3,566 sqft
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Beds5 Beds
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Baths3 Baths
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Year Built2023
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Days on Market1
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$449,900-
Lot Size5,663 sqft
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Home Size2,555 sqft
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Beds4 Beds
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Baths3 Baths
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Year Built2019
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Days on Market1
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$314,900-
Lot Size6,099 sqft
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Home Size768 sqft
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Beds2 Beds
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Baths1 Bath
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Year Built1959
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Days on Market1
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See all Real estate matching your search.
(all data current as of
3/7/2026)
Listing information deemed reliable but not guaranteed. Read full disclaimer.
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$295,000
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