Views, privacy, space, top-rated schools and walking distance to downtown Lafayette and BART need we say more? A rare opportunity in the heart of Lafayettes highly desirable Happy Valley! Privately tucked away along a private road shared by only three residences, this special property offers beautiful views across Happy Valley, mature trees and a relatively level building area ready for your vision. Previously developed lot with a new driveway, water and electricity already in place. Plans for an approx. 3,831 SF two-story residence with 2-car garage were previously approved by the City of Lafayette and a building permit was obtained. While approvals have expired, the existing plans, engineering and extensive groundwork may provide a significant head start. Architect and builder familiar with the project may also be available to assist. Build an incredible custom residence and explore the potential for an ADU, pool, gardens, pickleball/tennis court and exceptional indoor-outdoor living. An exciting opportunity for homeowners, builders or investors in an area where newly built luxury homes have sold above $4M. Easy access to Hwy 24 and San Francisco. Seller financing may be available. Bring your vision and create something truly special in Happy Valley!
Vacant landProperty Type
0.62 acresLot Size
$2,177,419Price/Acres
Listed by Marcela Simonkova•DRE #02108736• David Lyng Real Estate
Happy Valley, located between downtown Lafayette and the Briones Regional Park foothills, is a residential and semi-rural Lafayette neighborhood with rolling hills and equestrian properties. The neighborhood reads as a patchwork of ranch-style homes, gated lanes, and long driveways framed by oaks and open pasture. The character concentrates around the Happy Valley Road and Pleasant Hill Road junction, where morning traffic, cyclists, and school runs set a steady tempo. A short drive away, the Lafayette Reservoir loop and the Lafayette Library and Learning Center function as everyday anchors for walks, reading, and community programs. Weekends often point toward the Lafayette Farmers Market for local produce and a town-square feel. The landscape shifts quickly from manicured lots to trailheads and ridgelines, keeping the mood quiet and outdoors-oriented.
Provided by Walk Score and Local Logic
Property details
Interior
Exterior
Finance
Interior features
Vacant lot with building plans and improvement plans available
Exterior features
Partial fencing
Sloped and varying grade
Hills and valley views
Home design
Residential property
Individual ownership
Construction
Finished lot
Utilities
Public water
Public sewer
Public gas and utilities
Financial info
Cash or conventional financing accepted
Suitable for individual buyers
Electricity and solar
View estimated energy costs and solar savings for this home
Views, privacy, space, top-rated schools and walking distance to downtown Lafayette and BART need we say more? A rare opportunity in the heart of Lafayettes highly desirable Happy Valley! Privately tucked away along a private road shared by only three residences, this special property offers beautiful views across Happy Valley, mature trees and a relatively level building area ready for your vision. Previously developed lot with a new driveway, water and electricity already in place. Plans for an approx. 3,831 SF two-story residence with 2-car garage were previously approved by the City of Lafayette and a building permit was obtained. While approvals have expired, the existing plans, engineering and extensive groundwork may provide a significant head start. Architect and builder familiar with the project may also be available to assist. Build an incredible custom residence and explore the potential for an ADU, pool, gardens, pickleball/tennis court and exceptional indoor-outdoor living. An exciting opportunity for homeowners, builders or investors in an area where newly built luxury homes have sold above $4M. Easy access to Hwy 24 and San Francisco. Seller financing may be available. Bring your vision and create something truly special in Happy Valley!
Public Records
May 22, 2015
Sold
$1,000,000
Public Records
Jun 17, 2002
Sold
$560,000
bridgeMLS, Bay East AOR, or Contra Costa AOR #11137881
May 15, 2002
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11128167
May 1, 2002
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$15,686 (+3.6%)
$1,225,882
2025
$15,143 (+1.7%)
$1,225,882
2024
$14,884 (+1.8%)
$1,201,846
2023
$14,620 (+1.6%)
$1,178,281
2022
$14,396 (+3.0%)
$1,155,178
2021
$13,979 (−0.1%)
$1,132,528
2020
$13,999 (+3.1%)
$1,110,322
2019
$13,579 (+3.6%)
$1,098,938
2018
$13,101 (+1.7%)
$1,077,391
2017
$12,877 (+1.9%)
$1,035,555
2016
$12,631 (+51.5%)
$1,035,555
2015
$8,338 (+1.1%)
$1,015,250
2014
$8,250 (+1.3%)
$626,657
2013
$8,140 (+3.1%)
$626,657
2012
$7,893 (+1.7%)
$623,825
2011
$7,763 (+2.4%)
$611,594
2010
$7,579 (−5.2%)
$599,602
2009
$7,998 (+1.7%)
$595,121
2008
$7,864
$596,535 + $45,884
$642,419
Public record
Public record
Permits
Beds
—
Baths
—
Stories
—
Lot width
—
Lot depth
—
Lot size
0.62 Acres
Year renovated
—
Finished Sq. Ft.
—
Unfinished Sq. Ft.
—
Total Sq. Ft.
—
Year built
—
Style
Vacant Land
County
Contra Costa County
APN
2441400096
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 30, 2026.
Mar 11, 2020 • Final
Building/grading/gl/grading lafayette
Construct a new single-family home.
Grading
New construction
Mar 20, 2018 • Final
Building/residential/r/new single family-duplex
Construct a new single-family home.
New construction
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.
Climate risks
8/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.77% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 93° 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
15 unhealthy days expected this year, 16 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
81
56
87
58
81
60
72
54
63
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
81/ 100
Very good sunlight
Sunscore
This home receives average direct sun exposure in Lafayette. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
8.9 hrs
5.6 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 3659 Happy Vly
$1,287,301
$63K under list price of $1.35M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $871K to $2.7M.