640 Katherine Rd is a 1,414 square foot house on a 3,920 square foot lot with 3 bedrooms and 3 bathrooms. - it last sold on December 30, 1994 for $165,000. Based on Redfin's Simi Valley data, we estimate the home's value is $719,541.
Single-familyProperty Type
1992Year Built
3,920 sq ftLot Size
$509Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$719,541
$555K since sold in December 1994$2,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.3% lower than the average sale price ($802K) 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
RE
Rural Exclusive Zone
The purpose of this zone is to provide for and maintain rural residential areas in conjunction with horticultural activities, and to provide for a limited range of service and institutional uses which are compatible with and complementary to rural residential communities.
Permitted uses
Include but are not limited to:
Greenhouse / nursery
Livestock production
Agriculture-Other
Housing-Single unit
Housing-Senior
Housing-Other
Communications tower
Park & open space
Property details
Interior
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Property Information
Subdivision Name: SUSANA KNOLLS 01
Living Sq. Ft: 1,414
Gross Sq. Ft: 1,866
Ground Floor Sq. Ft: 661
Building Sq. Ft: 1,414
# of Stories: 2
Legal Description: MAP 19 PG 16 LOT 934,951 & OTHER LOTS
Parking & Garage Information
Garage/Parking Sq. Ft: 452
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,920
Legal Lot Number: 934
Acres: 0.09
Zoning Code: RE
County Use Description: CUSTOM SINGLE FAM RES
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 1,414
Stories: 2.0
Lot Size: 3,920 square feet
Style: Single Family Residential
Year Built: 1992
Year Renovated: —
County: Ventura County
APN: 6460054070
Home facts updated by county records on Jul 11, 2026
Around this home
Schools
Places
Transit
Knolls Elementary School
Public K-6 • Assigned • 0.3mi
3/10
Valley View Middle School
Public 6-8 • Assigned • 3.2mi
4/10
Simi Valley High School
Public 9-12 • Assigned • 1.4mi
7/10
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
8/10 Fire Factor
43% chance of being in a wildfire in next 30 years
5/10 Heat Factor
8 days above 101° expected this year, 22 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
3/10 Air Factor
4 unhealthy days expected this year, 4 days in 30 years
Provided by First Street
Historical weather
Simi Valley, CA • 93063
Average low and high temperatures (°F)
65
49
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50
72
50
69
49
74
52
79
55
82
56
88
62
84
60
79
56
69
50
69
50
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Nov
Dec
Sun exposure
In this area, properties receive around 10 hours in
June and 6.2 hours in December, placing it above the
U.S. average for solar exposure.
10 hrs
6.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$684,000 – $828,000
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