Set on approximately 4 acres with sweeping views of the surrounding hills, this custom estate offers space, privacy, and a rare opportunity in one of Pleasanton’s most desirable settings. Built in 2008 and spanning nearly 8,000 square feet, the home features a well-designed layout with multiple living areas, a dramatic great room, and an expansive kitchen ideal for everyday living and entertaining. The floor plan includes multiple bedroom suites, along with dedicated spaces for a home office, gym, and media or game room. A finished lower level adds flexibility for extended living, recreation, or guest use. The property offers exceptional outdoor potential with open land, scenic views, and room to create your ideal setting—whether that’s a vineyard, equestrian use, or additional amenities. Further highlights include a gated entrance, multiple garage spaces, and a setting that combines privacy with convenience to downtown Pleasanton, top-rated schools, and commuter access. A rare offering with scale, flexibility, and long-term upside!
Est. $8,883 per month, based on comparable rentals
Sale and tax history for 920 Happy Valley Rd
Sale History
Tax History
Date
Event
Price
bridgeMLS, Bay East AOR, or Contra Costa AOR #41130472
May 7, 2026
Sold
$4,330,000
$545/sq ft
Apr 17, 2026
Pending
—
Apr 10, 2026
Listed
$4,200,000
$528/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40817242
Jul 6, 2018
Sold
$3,400,000
$428/sq ft
Jun 26, 2018
Pending
—
Apr 12, 2018
Listed
$3,800,000
$478/sq ft
+34
THIS IS IT! Incredible gated country estate on a 4+ Acre lot. Sweeping views of the Pleasanton Ridge, this custom home features designer finishes & amenities, with a state of the art custom kitchen, dramatic great room & expansive dining room. The master suite is your personal sanctuary, with a spa-like bath. The modern floor plan features 5 bedroom suites plus a theater, office, gym, plus a 1,600+ sq ft finished daylight basement with game room, exercise room, kitchenette, full bath, & plenty of storage. There is also a 3-stop elevator. The incredible lot features views from all sides, with sunny terrace in the front, a private patio with pergola & firepit in the back yard, and plenty of room for horses, vineyard, pool or sports court. 2 car attached garage PLUS 6-car detached garage with workshop and bathroom
bridgeMLS, Bay East AOR, or Contra Costa AOR #11180670
May 16, 2003
Sold
$1,750,000
$220/sq ft
Apr 14, 2003
Listing Removed
—
Mar 28, 2003
Listed
$1,950,000
$245/sq ft
SINGLE STORY WITH FLAT 4 ACRES, 4 BEDROOMS AND A HUGE FAMILY ROOM,GAME ROOM,OFFICE/DEN PLANTATION SHUTTERS,GRANITE KITCHEN COUNTER
bridgeMLS, Bay East AOR, or Contra Costa AOR #11170412
Mar 27, 2003
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11180669
Mar 27, 2003
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2025
$45,072 (+3.4%)
$1,115,500 + $2,677,200
$3,792,700
2024
$43,582 (+1.1%)
$1,115,500 + $2,677,200
$3,792,700
2023
$43,088 (+5.6%)
$1,093,630 + $2,624,712
$3,718,342
2022
$40,812 (+2.6%)
$1,051,170 + $2,522,808
$3,573,978
2021
$39,769 (+1.3%)
$1,051,170 + $2,522,808
$3,573,978
2020
$39,261 (−1.2%)
$1,030,560 + $2,473,344
$3,503,904
2019
$39,746 (+32.7%)
$1,020,000 + $2,448,000
$3,468,000
2018
$29,962 (+2.6%)
$1,000,000 + $2,400,000
$3,400,000
2017
$29,191 (+8.3%)
$1,123,083 + $1,396,194
$2,519,277
2016
$26,964 (+1.9%)
$1,123,083 + $1,396,194
$2,519,277
2015
$26,457 (−1.8%)
$1,101,069 + $1,368,824
$2,469,893
2014
$26,935 (−1.7%)
$1,063,296 + $1,321,867
$2,385,163
2013
$27,390 (+2.7%)
$1,063,296 + $1,321,867
$2,385,163
2012
$26,676 (+1.7%)
$1,058,499 + $1,315,902
$2,374,401
2011
$26,236 (+1.4%)
$1,037,745 + $1,282,102
$2,319,847
2010
$25,873 (+0.6%)
$1,017,405 + $1,256,971
$2,274,376
2009
$25,719 (+3.2%)
$1,009,809 + $1,247,585
$2,257,394
2008
$24,916
$1,012,212 + $1,250,554
$2,262,766
Public record
Public record
Zoning
Permits
Beds
5
Baths
—
Stories
3
Lot width
—
Lot depth
—
Lot size
4.1 Acres
Year renovated
2008
Sq. Ft.
7,951
Year built
2008
Style
Single Family Residential
County
Alameda County
APN
949 000701305
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 21, 2026.
R1
Single-Family Residence Districts
Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.
Permitted uses
Include but are not limited to:
Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard
Mar 16, 2023 • Final
Building
HVAC
Jul 20, 2007 • Final
Building
Construct a new detached accessory structure for use as a workshop and garage. The structure includes a half bathroom and serves an existing single-family home.
ADU
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
Garage Spaces: 8
Has Carport
Covered Spaces: 8
Parking Features: Attached, Carport - 2 Or More, Detached
Interior
Bathroom Information
# of Bathrooms Total: 7
# of Bathrooms Full: 6
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub, Stall Shower, Tile
Primary Bathroom Included Features: Stall Shower, Tile, Tub, Double Vanity, Stone
Appliances: Dishwasher, Double Oven, Gas Range, Microwave, Free-Standing Range, Refrigerator, Water Filter System, Gas Water Heater, Water Softener, Tankless Water Heater
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2026. This data may not match public records. Learn more.