Mt. Hamilton Luxury 4 BD 4.5 BA Hillside Retreat Extraordinary custom-built 20-acre estate with panoramic views of the valley below, dramatic courtyard entry, open floor plan, gourmet kitchen, opportunities for both formal or casual dining, stunning family room with vaulted ceilings, 3 ensuite bedrooms, guest bed/bath in a separate wing, 3 car garage, and barn with endless possibilities! Minutes to several San Jose favorites, including the San Jose Country Club, The Grandview, Downtown San Jose, Alum Rock Park and just a brief jaunt to Lick Observatory, for the star-gazer in you! NEW- RENOVATED BARN AS POTENTIAL ADU, CENTRAL VACCUM SYSTEM FOR THE ENTIRE HOUSE, UPGRADED HVAC CONTROL, POTENTIAL TO COMBINE WITH A SECOND PARCEL TO CREATE 23 ACRE ESTATE. Don't miss this opportunity!
bridgeMLS, Bay East AOR, or Contra Costa AOR #41018262
Feb 10, 2023
Sold
$2,300,000
$576/sq ft
Feb 4, 2023
Pending
—
Feb 1, 2023
Listed
$3,200,000
$801/sq ft
Public Records
Jan 29, 2015
Sold
$1,600,000
$401/sq ft
MLSListings #ML81445899
Jan 6, 2015
Pending
—
Jan 6, 2015
Listed
$1,600,000
$401/sq ft
Jan 6, 2015
Sold
$1,600,000
$401/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$33,248 (+1.6%)
$1,952,622 + $689,785
$2,642,407
2024
$32,736 (+36.3%)
$1,914,336 + $676,260
$2,590,596
2023
$24,010 (+2.1%)
$1,876,800 + $663,000
$2,539,800
2022
$23,509 (+3.1%)
$1,155,178 + $687,329
$1,842,507
2021
$22,804 (+0.9%)
$1,132,528 + $673,852
$1,806,380
2020
$22,608 (+2.9%)
$1,110,322 + $660,640
$1,770,962
2019
$21,978 (+0.5%)
$1,098,938 + $653,866
$1,752,804
2018
$21,871 (−0.8%)
$1,077,391 + $641,046
$1,718,437
2017
$22,045 (+6.4%)
$1,035,555 + $616,154
$1,651,709
2016
$20,724 (+117.8%)
$1,035,555 + $616,154
$1,651,709
2015
$9,514 (+3.2%)
$1,015,250 + $604,073
$1,619,323
2014
$9,218 (+4.4%)
$99,182 + $599,088
$698,270
2012
$8,830 (+1.5%)
$98,734 + $596,381
$695,115
2011
$8,697 (+2.2%)
$96,799 + $584,688
$681,487
2010
$8,506 (+1.9%)
$94,901 + $573,224
$668,125
2009
$8,351 (+4.3%)
$94,192 + $568,940
$663,132
2008
$8,009
$92,565 + $559,110
$651,675
Tax history for 12645 Mount Hamilton Rd
Year
Property tax
Land + Additions
Assessment*
2025
$33,248 (+1.6%)
$1,952,622 + $689,785
$2,642,407
2024
$32,736 (+36.3%)
$1,914,336 + $676,260
$2,590,596
2023
$24,010 (+2.1%)
$1,876,800 + $663,000
$2,539,800
2022
$23,509 (+3.1%)
$1,155,178 + $687,329
$1,842,507
2021
$22,804 (+0.9%)
$1,132,528 + $673,852
$1,806,380
2020
$22,608 (+2.9%)
$1,110,322 + $660,640
$1,770,962
2019
$21,978 (+0.5%)
$1,098,938 + $653,866
$1,752,804
2018
$21,871 (−0.8%)
$1,077,391 + $641,046
$1,718,437
2017
$22,045 (+6.4%)
$1,035,555 + $616,154
$1,651,709
2016
$20,724 (+117.8%)
$1,035,555 + $616,154
$1,651,709
2015
$9,514 (+3.2%)
$1,015,250 + $604,073
$1,619,323
2014
$9,218 (+4.4%)
$99,182 + $599,088
$698,270
2012
$8,830 (+1.5%)
$98,734 + $596,381
$695,115
2011
$8,697 (+2.2%)
$96,799 + $584,688
$681,487
2010
$8,506 (+1.9%)
$94,901 + $573,224
$668,125
2009
$8,351 (+4.3%)
$94,192 + $568,940
$663,132
2008
$8,009
$92,565 + $559,110
$651,675
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
4
Baths
4
Stories
1
Lot width
—
Lot depth
—
Lot size
20.14 Acres
Year renovated
1987
Sq. Ft.
3,993
Year built
1987
Style
Single Family Residential
County
Santa Clara County
APN
61256015
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 21, 2026.
Dec 14, 2018 • Final
Construction
Install roof-mounted solar modules on a residential building. No batteries are included in this installation.
Electrical
Solar
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
Parking
Parking Information
Has Attached Garage
Garage Spaces: 3
Covered Spaces: 3
Parking Features: Attached, On Street, Private
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 5
# of Bathrooms Full: 4
# of Bathrooms Partial: 1
Interior Features
Interior Features: Family Room, Office, Storage, Breakfast Bar, Breakfast Nook, Tile Counters, Pantry
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2023. This data may not match public records. Learn more.