331 Violet Rd is a 1,927 square foot house on a 8,050 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on September 11, 1986 for $149,000. Based on Redfin's Hercules data, we estimate the home's value is $810,908.
Single-familyProperty Type
1978Year Built
8,050 sq ftLot Size
$421Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$810,908
$662K since sold in September 1986$21K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.7% lower than the average sale price ($879K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RS-L
Residential Single-Family Low Density District
To provide areas for single-family housing on smaller lots that will generally be developed as part of a larger planned subdivision where a limited number of models of varied exterior designs are built in a random pattern on individual lots with a gross density of 2 to 7 units per acre and a minimum parcel size of 6,000 sq ft unless a smaller lot size is allowed by an approved planned development (PD).
Permitted uses
Include but are not limited to:
Housing-Multiple units
May 9, 2016 • Final
Building - residential solar photovoltaic
Expand an existing residential solar photovoltaic system. Add five new solar panels and relocate two existing panels.
Electrical
Solar
Mar 14, 2016 • Final
Building - residential solar photovoltaic
Install a flush roof-mounted solar power system on a residential building.
Electrical
Solar
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
Interior
Room Information
# of Rooms: 9
Exterior
Pool Information
Has Pool
Property Information
Living Sq. Ft: 1,927
Ground Floor Sq. Ft: 972
Building Sq. Ft: 1,927
# of Stories: 2
Legal Description: T05007 L0053 B
Parking & Garage Information
Garage/Parking Sq. Ft: 458
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,050
Legal Lot Number: 53
Acres: 0.1848
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 1,927
Stories: 2.0
Lot Size: 8,050 square feet
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1979
County: Contra Costa County
APN: 4062210010
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Lupine Hills Elementary School
Public K-5 • Assigned • 0.6mi
4/10
Hercules Middle School
Public 6-8 • Assigned • 0.8mi
7/10
Hercules High School
Public 9-12 • Assigned • 0.8mi
9/10
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 93° 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
13 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Hercules, CA • 94547
Average low and high temperatures (°F)
60
41
62
44
69
46
67
47
73
52
74
54
71
55
79
57
78
57
75
53
63
47
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.4 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.4 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$771,000 – $933,000
Reach more buyers when you sell with Redfin. Save up to $8,109 in fees.3 minutes to get started.