Off Market Jun 1992 for $1.7M
$4,713,816
Est. refi paymentEst. refi $8,715/mo
bd
— ba
4,948
sq ft

4115 Happy Valley Rd, Lafayette, CA 94549

map-entry

About this home

4115 Happy Valley Rd is a 4,948 square foot house on a 10.54 acre lot. - it last sold on June 30, 1992 for $1,700,000. Based on Redfin's Lafayette data, we estimate the home's value is $4,713,816.
Single-familyProperty Type
1970Year Built
10.54 acresLot Size
$953Est. Price/Sq.Ft.
Source:Public Records

Redfin Estimate

$4,713,816
$3.0M since sold in June 1992$36K since August

This home's estimate is 60.1% higher than the average sale price ($2.94M) of 6 comparable homes.

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Earn from this home

Sell
$4,465,341
Est. take-home

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Refinance
$0
Est. cash available

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Market trends in 94549, CA

Sale history for 4115 Happy Valley Rd

Tax history for 4115 Happy Valley Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Permits

Jun 30, 2025Active
Building - residential mechanical

Convert an air conditioning unit to a heat pump in the backyard. Replace a furnace in a closet. A HERS report may be required at the final inspection.

Heat pump

HVAC

Apr 27, 2022Final
Building - residential electrical

Install an advanced energy system including battery storage units, a backup gateway with an internal panelboard, and a backup loads panel.

Battery

Electrical

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

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 • 2.9mi

8/10
Acalanes High School

Public 9-12 • Assigned • 3.5mi

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

2/10 Heat Factor

7 days above 92° expected this year, 15 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
$4.48M – $5.42M

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GreatSchools Ratings provided by GreatSchools.org.