Architecturally designed to nestle into the Happy Valley hillside, this exceptional Contemporary is filled with elegance and style. Spacious 5502 sq ft with 5BD/5.5BA, office, au pair/in law and 3 car garage. Open floor plan, walls of glass, soaring ceilings & art walls. Decks, lawn, patio, views.
Single-familyProperty Type
1954Year Built
0.85 acresLot Size
$843Est. Price/Sq.Ft.
3 car garageParking
Listed by Sherrie Perlstein•DRE #00925213• Pacific Union International
Bought with Out Of Area Out•DRE #09999915• OUT OF AREA - NON MEMBER
bridgeMLS, Bay East AOR, or Contra Costa AOR #40733864
Apr 18, 2016
Sold
$2,700,000
$491/sq ft
Apr 1, 2016
Pending
—
Mar 28, 2016
Listed
$2,575,000
$468/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$36,859 (+1.7%)
$1,811,206 + $1,448,963
$3,260,169
2024
$36,240 (+1.7%)
$1,775,693 + $1,420,552
$3,196,245
2023
$35,634 (+1.5%)
$1,740,876 + $1,392,699
$3,133,575
2022
$35,094 (+3.0%)
$1,706,742 + $1,365,392
$3,072,134
2021
$34,080 (−0.6%)
$1,673,277 + $1,338,620
$3,011,897
2020
$34,280 (+1.9%)
$1,640,468 + $1,312,373
$2,952,841
2019
$33,654 (+3.7%)
$1,623,648 + $1,298,917
$2,922,565
2018
$32,463 (+1.7%)
$1,591,812 + $1,273,449
$2,865,261
2017
$31,908 (+74.3%)
$1,530,000 + $1,224,000
$2,754,000
2016
$18,301 (+2.8%)
$1,530,000 + $1,224,000
$2,754,000
2015
$17,808 (+0.8%)
$502,809 + $1,025,162
$1,527,971
2014
$17,659 (+1.1%)
$485,556 + $989,985
$1,475,541
2013
$17,462 (+3.1%)
$485,556 + $989,985
$1,475,541
2012
$16,941 (+1.5%)
$483,362 + $985,511
$1,468,873
2011
$16,690 (+1.9%)
$473,885 + $966,188
$1,440,073
2010
$16,382 (+0.3%)
$464,594 + $947,244
$1,411,838
2009
$16,339 (+1.8%)
$461,122 + $940,165
$1,401,287
2008
$16,057
$462,218 + $942,399
$1,404,617
Tax history for 1227 Upper Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$36,859 (+1.7%)
$1,811,206 + $1,448,963
$3,260,169
2024
$36,240 (+1.7%)
$1,775,693 + $1,420,552
$3,196,245
2023
$35,634 (+1.5%)
$1,740,876 + $1,392,699
$3,133,575
2022
$35,094 (+3.0%)
$1,706,742 + $1,365,392
$3,072,134
2021
$34,080 (−0.6%)
$1,673,277 + $1,338,620
$3,011,897
2020
$34,280 (+1.9%)
$1,640,468 + $1,312,373
$2,952,841
2019
$33,654 (+3.7%)
$1,623,648 + $1,298,917
$2,922,565
2018
$32,463 (+1.7%)
$1,591,812 + $1,273,449
$2,865,261
2017
$31,908 (+74.3%)
$1,530,000 + $1,224,000
$2,754,000
2016
$18,301 (+2.8%)
$1,530,000 + $1,224,000
$2,754,000
2015
$17,808 (+0.8%)
$502,809 + $1,025,162
$1,527,971
2014
$17,659 (+1.1%)
$485,556 + $989,985
$1,475,541
2013
$17,462 (+3.1%)
$485,556 + $989,985
$1,475,541
2012
$16,941 (+1.5%)
$483,362 + $985,511
$1,468,873
2011
$16,690 (+1.9%)
$473,885 + $966,188
$1,440,073
2010
$16,382 (+0.3%)
$464,594 + $947,244
$1,411,838
2009
$16,339 (+1.8%)
$461,122 + $940,165
$1,401,287
2008
$16,057
$462,218 + $942,399
$1,404,617
*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
5
Baths
6
Stories
1
Lot width
—
Lot depth
—
Lot size
0.85 Acres
Year renovated
1993
Sq. Ft.
5,502
Year built
1954
Style
Single Family Residential
County
Contra Costa County
APN
2470320074
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Jan 30, 2010 • Final
Building/residential/rp/repair
Remodel
Jan 30, 2010 • Final
Building/grading/g/grading supervised
Perform supervised grading work on the site.
Grading
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, Int Access From Garage, Garage Door Opener
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 6
# of Bathrooms Full: 5
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub, Solid Surface, Tile
Primary Bathroom Included Features: Skylight, Solid Surface, Stall Shower, Sunken Tub, Tub with Jets
Interior Features
Interior Features: Family Room, Formal Dining Room, Kitchen/Family Combo, Office, Storage, Breakfast Bar, Breakfast Nook, Counter - Solid Surface, Eat-in Kitchen, Pantry, Updated Kitchen, Wet Bar, Central Vacuum
Appliances: Dishwasher, Double Oven, Disposal, Gas Range, Microwave, Oven, Refrigerator, Gas Water Heater
Laundry Features: Hookups Only, Laundry Room
Street Level Features: 4 Bedrooms, 4 Baths, Main Entry
Window Features: Skylight(s), Window Coverings
Fireplaces Total: 3
Has Fireplace
Flooring: Hardwood, Carpet
Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Bar,Breakfast Nook,Counter - Solid Surface,Dishwasher,Double Oven,Eat In Kitchen,Garbage Disposal,Gas Range/Cooktop,Microwave,Oven Built-in,Pantry,Refrigerator,Skylight(s),Updated Kitchen,Wet Bar
Rooms Total: 14
Fireplace Features: Family Room, Gas Starter, Living Room, Stone
Basement: Crawl Space
Exterior
Building Information
Construction Materials: Stucco
Building Area Total: 5,502
Exterior Features
Patio And Porch Features: Deck, Patio
Exterior Features: Back Yard, Side Yard
Fencing: Fenced
Property Information
Living Area: 5502
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1954
Lot Information
Lot Size Square Feet: 37026
Lot Size Area: 0.85
Lot Size Units: Acres
Lot Size Acres: 0.85
Lot Features: Sloped Down, Level
Zoning: 1001
Utilities
Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Zoned
Location
School Information
High School District: Lafayette (925) 280-3900
Public facts
Beds: 5
Baths: 6.0
Sq. Ft.: 5,502
Stories: 1.0
Lot Size: 0.85 acres
Style: Single Family Residential
Year Built: 1954
Year Renovated: 1993
County: Contra Costa County
APN: 2470320074
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 0.6mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.5mi
8/10
Acalanes High School
Public 9-12 • Assigned • 3.1mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
1% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 92° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
14 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
Lafayette, CA • 94549
Average low and high temperatures (°F)
60
43
62
46
70
50
68
49
75
52
78
54
79
55
87
58
84
59
77
56
63
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.5 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$4.41M – $5.34M
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2016. This data may not match public records. Learn more.