For sale
$1,350,000
Est. $8,919/mo
Land
•
0.62
acre (lot)

3659 Happy Vly, Lafayette, CA 94549

map-entry

About this home

Vacant landProperty Type
0.62 acresLot Size
$2,177,419Price/Acres
Listed by Marcela Simonkova •DRE #02108736 • David Lyng Real Estate
Listing updated:
Redfin checked: a minute ago
•Source:MLSListings #ML82062390
Listing provided courtesy of MLSListings Inc. (MLSListings)
40 days on Redfin • 455 views • 14 favorites

Payment calculator

$8,919 per month

Principal and interest$7,276
Property taxes
HOA dues
Home insurance
Utilities
Down payment
20% ($270,000)
Home price
$1,350,000
Loan details
30-yr fixed, 7.13%

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Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 1.0mi

8/10
M. H. Stanley Middle School

Public 6-8 • Assigned • 1.0mi

8/10
Acalanes High School

Public 9-12 • Assigned • 1.8mi

10/10
Provided by GreatSchools
About Happy
Valley

Provided by Walk Score and Local Logic

Property details

  • Interior features
  • Vacant lot with building plans and improvement plans available

Sale and tax history for 3659 Happy Vly

Public record

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
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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.

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.

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GreatSchools Ratings provided by GreatSchools.org.