21800 Fortini Rd is a 1,857 square foot house on a 3.14 acre lot with 2 bedrooms and 1 bathroom. Based on Redfin's San Jose data, we estimate the home's value is $1,572,546.
Single-familyProperty Type
1976Year Built
3.14 acresLot Size
$847Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,572,546
$51K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12.5% higher than the average sale price ($1.40M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,274 (+0.2%)
$47,104 + $45,445
$92,549
2024
$1,272 (+1.4%)
$46,181 + $44,554
$90,735
2023
$1,254 (−0.3%)
$45,276 + $43,681
$88,957
2022
$1,257 (+1.5%)
$44,389 + $42,825
$87,214
2021
$1,238 (+1.6%)
$43,519 + $41,986
$85,505
2020
$1,219 (+1.6%)
$42,666 + $41,163
$83,829
2019
$1,200 (+0.4%)
$42,229 + $40,741
$82,970
2018
$1,195 (−4.1%)
$41,401 + $39,943
$81,344
2017
$1,246 (+8.6%)
$39,795 + $38,393
$78,188
2016
$1,147 (+5.7%)
$39,795 + $38,393
$78,188
2015
$1,085 (+2.8%)
$39,015 + $37,641
$76,656
2014
$1,055
$37,677 + $36,350
$74,027
2012
$1,056 (+6.1%)
$37,507 + $36,186
$73,693
2011
$995 (+0.8%)
$36,772 + $35,477
$72,249
2010
$987 (+0.8%)
$36,051 + $34,782
$70,833
2009
$979 (+3.8%)
$35,782 + $34,523
$70,305
2008
$944
$35,165 + $33,928
$69,093
Tax history for 21800 Fortini Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,274 (+0.2%)
$47,104 + $45,445
$92,549
2024
$1,272 (+1.4%)
$46,181 + $44,554
$90,735
2023
$1,254 (−0.3%)
$45,276 + $43,681
$88,957
2022
$1,257 (+1.5%)
$44,389 + $42,825
$87,214
2021
$1,238 (+1.6%)
$43,519 + $41,986
$85,505
2020
$1,219 (+1.6%)
$42,666 + $41,163
$83,829
2019
$1,200 (+0.4%)
$42,229 + $40,741
$82,970
2018
$1,195 (−4.1%)
$41,401 + $39,943
$81,344
2017
$1,246 (+8.6%)
$39,795 + $38,393
$78,188
2016
$1,147 (+5.7%)
$39,795 + $38,393
$78,188
2015
$1,085 (+2.8%)
$39,015 + $37,641
$76,656
2014
$1,055
$37,677 + $36,350
$74,027
2012
$1,056 (+6.1%)
$37,507 + $36,186
$73,693
2011
$995 (+0.8%)
$36,772 + $35,477
$72,249
2010
$987 (+0.8%)
$36,051 + $34,782
$70,833
2009
$979 (+3.8%)
$35,782 + $34,523
$70,305
2008
$944
$35,165 + $33,928
$69,093
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 15, 2019 • Final
Construction
Replace the existing wall furnace.
HVAC
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
Physical Condition: Average
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Fair
Roof Framing Type: Wood
Property Information
Subdivision Name: A H MARTEN W S CLAYTON J R CHA
Living Sq. Ft: 1,857
Ground Floor Sq. Ft: 1,857
Building Sq. Ft: 1,857
# of Stories: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 560
Lot Information
# of Buildings: 1
Land Sq. Ft: 136,778
Legal Lot Number: 23A
Municipality Name: SAN JOSE UNIFIED
Acres: 3.14
Zoning Code: RR
County Use Description: RESID SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Tax Area: SAN JOSE UNIFIED
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,857
Stories: 1.0
Lot Size: 3.14 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1976
County: Santa Clara County
APN: 70841011
Home facts updated by county records on Aug 22, 2026
Around this home
Schools
Graystone Elementary School
Public K-5 • Assigned • 2.0mi
9/10
Bret Harte Middle School
Public 6-8 • Assigned • 2.5mi
8/10
Leland High School
Public 9-12 • Assigned • 2.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Tucked between the Santa Cruz Mountains and the Santa Teresa Hills, Almaden Valley offers views of the surrounding natural spaces. There are many hiking trails, biking paths, and golf courses. With low inventory, home prices are continuing to rise in...