OFF MARKET
Google street view image for 3920 Happy Valley Rd, Lafayette, CA 94549
Off market nov 2021 for $2M
$3,045,858
Est. refi paymentEst. refi $13,484/mo
4
bd
•
3.5 ba
•
3,902
sq ft

3920 Happy Valley Rd, Lafayette, CA 94549

map-entry

About this home

3920 Happy Valley Rd is a 3,902 square foot house on a 1.06 acre lot with 4 bedrooms and 3.5 bathrooms. - it last sold on November 12, 2021 for $2,000,000. Based on Redfin's Lafayette data, we estimate the home's value is $3,045,858.
Single-familyProperty Type
1966Year Built
1.06 acresLot Size
$781Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records

Redfin Estimate

$3,045,858
$1.0M since sold in November 2021$206K since October

This home's estimate is 15.8% higher than the average sale price ($2.63M) of 6 comparable homes.

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Earn from this home

Sell
$1,440,950
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$9,454/mo
Redfin rental estimate

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Market trends in 94549, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price
102.4%

+1.0% MoM

Median sale price
$1.8M

$948 MoM

Avg. days on market
17d

0 days MoM

Recently sold homes
90

1 MoM

New listings for sale

Provided by Redfin

Sale history for 3920 Happy Valley Rd

Tax history for 3920 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

Oct 3, 2023 • Final
Building/residential/al/alteration

Perform an interior remodel and alteration including a concrete slab replacement. The project includes electrical, mechanical, and plumbing work for the kitchen and four bathrooms. Relocate two bedrooms from the lower level to the main level.

Bathroom

Electrical

HVAC

Plumbing

Remodel

May 3, 2022 • Final
Permit submittal

Perform an interior remodel and replace a damaged concrete slab. The project includes mechanical, electrical, and plumbing work for the kitchen and four bathrooms. Relocate two bedrooms from the lower level to the main level while keeping the existing stairs, fireplace, and roof unchanged.

Bathroom

Electrical

Kitchen

Plumbing

Remodel

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 • 0.3mi

8/10
M. H. Stanley Middle School

Public 6-8 • Assigned • 2.2mi

8/10
Acalanes High School

Public 9-12 • Assigned • 2.7mi

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

2% 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

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

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
$2.89M – $3.50M

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Home values near 3920 Happy Valley Rd

Data from public records.
This data may not show owner updates. Learn more.

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