21716 Prospect St is a 1,977 square foot house on a 7,500 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on September 26, 2012 for $335,000. Based on Redfin's Hayward data, we estimate the home's value is $836,859.
Single-familyProperty Type
1947Year Built
7,500 sq ftLot Size
$423Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$836,859
$502K since sold in September 2012$44K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.9% lower than the average sale price ($889K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40033561
Apr 7, 2017
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40039972
Apr 7, 2017
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40068365
Apr 7, 2017
Listing Removed
—
Public Records
Sep 26, 2012
Sold
$335,000
$169/sq ft
Public Records
Jun 1, 2005
Sold
$654,000
$331/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40077724
May 9, 2005
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2025
$5,134 (+1.0%)
$126,228 + $294,532
$420,760
2024
$5,084 (+1.5%)
$123,753 + $288,758
$412,511
2023
$5,008 (+2.0%)
$121,327 + $283,097
$404,424
2022
$4,911 (+0.8%)
$116,617 + $272,106
$388,723
2021
$4,870 (+1.1%)
$116,617 + $272,106
$388,723
2020
$4,817 (−0.8%)
$114,330 + $266,771
$381,101
2019
$4,853 (+6.5%)
$113,158 + $264,037
$377,195
2018
$4,559 (+2.3%)
$110,940 + $258,862
$369,802
2017
$4,455 (+6.2%)
$106,633 + $248,811
$355,444
2016
$4,194 (+2.0%)
$106,633 + $248,811
$355,444
2015
$4,111 (+5.2%)
$104,543 + $243,933
$348,476
2014
$3,907 (+0.9%)
$100,956 + $235,564
$336,520
2013
$3,874 (−2.0%)
$100,956 + $235,564
$336,520
2012
$3,953 (−3.7%)
$100,500 + $234,500
$335,000
2011
$4,103 (+10.4%)
$100,500 + $234,500
$335,000
2010
$3,717 (−16.2%)
$106,500 + $248,500
$355,000
2009
$4,438 (−31.7%)
$97,500 + $227,500
$325,000
2008
$6,494
$115,500 + $269,500
$385,000
Tax history for 21716 Prospect St
Year
Property tax
Land + Additions
Assessment*
2025
$5,134 (+1.0%)
$126,228 + $294,532
$420,760
2024
$5,084 (+1.5%)
$123,753 + $288,758
$412,511
2023
$5,008 (+2.0%)
$121,327 + $283,097
$404,424
2022
$4,911 (+0.8%)
$116,617 + $272,106
$388,723
2021
$4,870 (+1.1%)
$116,617 + $272,106
$388,723
2020
$4,817 (−0.8%)
$114,330 + $266,771
$381,101
2019
$4,853 (+6.5%)
$113,158 + $264,037
$377,195
2018
$4,559 (+2.3%)
$110,940 + $258,862
$369,802
2017
$4,455 (+6.2%)
$106,633 + $248,811
$355,444
2016
$4,194 (+2.0%)
$106,633 + $248,811
$355,444
2015
$4,111 (+5.2%)
$104,543 + $243,933
$348,476
2014
$3,907 (+0.9%)
$100,956 + $235,564
$336,520
2013
$3,874 (−2.0%)
$100,956 + $235,564
$336,520
2012
$3,953 (−3.7%)
$100,500 + $234,500
$335,000
2011
$4,103 (+10.4%)
$100,500 + $234,500
$335,000
2010
$3,717 (−16.2%)
$106,500 + $248,500
$355,000
2009
$4,438 (−31.7%)
$97,500 + $227,500
$325,000
2008
$6,494
$115,500 + $269,500
$385,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 27, 2021 • Final
Residential - re-roof
Roofing
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Good
Property Information
Living Sq. Ft: 1,977
Building Sq. Ft: 1,977
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,500
Municipality Name: HAYWARD INCORP
Acres: 0.1722
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,977
Stories: 1.0
Lot Size: 7,500 square feet
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1947
County: Alameda County
APN: 428 001106300
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
Cherryland Elementary School
Public K-6 • Assigned • 0.6mi
3/10
Bret Harte Middle School
Public 7-8 • Assigned • 1.0mi
4/10
Hayward High School
Public 9-12 • Assigned • 1.4mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The median sold price dropped to $860K, but price-per-square-foot actually went up. Buyers are just buying smaller, nicer homes. Use the "falling prices" headline to negotiate hard on larger, dated properties.
Hayward's fall market offers fantastic value for East Bay buyers. With median prices holding around $845K and homes averaging 20 days on market, you have breathing room to negotiate on older homes. Yet pristine, turnkey properties still move fast....