620 Los Alamos Rd is a 2,332 square foot house on a 0.99 acre lot with 3 bedrooms and 2.5 bathrooms. - it last sold on December 20, 1979 for $42,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $1,005,519.
Single-familyProperty Type
1985Year Built
0.99 acresLot Size
$431Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,005,519
$964K since sold in December 1979$2,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.4% lower than the average sale price ($1.04M) 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
RR-40-SR
Rural Residential - 1 Acre - Scenic Road Combining District
The RR zoning district is applied to areas of the City intended to accommodate residential neighborhoods with compatible agricultural uses, but where the primary uses are residential, and compatible accessory uses. The maximum allowable density ranges from 0.2 to 2 dwellings per acre, with the specific allowable density for each parcel shown on the zoning map by a numerical suffix to the RR map symbol see Section 20-22.040. The RR zoning district implements and is consistent with the Residential Very Low Density land use classification of the General Plan. The SR combining district is intended to enhance and preserve the natural and constructed features that contribute to the character of scenic roads. Natural and constructed features include trees, rock walls, view corridors, road configuration and tree canopy.
Permitted uses
Include but are not limited to:
Agriculture-Other
Healthcare-Other
Housing-Group
Housing-Single unit
Housing-Student
Housing-Other
Infrastructure-Other
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard
Housing-Mobile home park
Property details
Interior
Basement Information
Basement Sq. Ft: 873
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Subdivision Name: LOS ALAMOS ESTATES
Living Sq. Ft: 2,332
Ground Floor Sq. Ft: 1,170
Building Sq. Ft: 2,332
# of Stories: 5
Parking & Garage Information
Garage/Parking Sq. Ft: 528
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,124
Legal Lot Number: 9
Legal Block Number: 2
Acres: 0.99
Zoning Code: CITYSR
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 2,332
Stories: 5.0
Lot Size: 0.99 acres
Style: Single Family Residential
Year Built: 1985
Year Renovated: 1985
County: Sonoma County
APN: 030350017000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Austin Creek Elementary School
Public K-6 • Assigned • 0.5mi
10/10
Rincon Valley Middle School
Public 7-8 • Assigned • 2.7mi
5/10
Maria Carrillo High School
Public 9-12 • Assigned • 2.1mi
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
3/10 Fire Factor
0.46% chance of being in a wildfire in next 30 years
4/10 Heat Factor
8 days above 93° expected this year, 17 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
26 unhealthy days expected this year, 28 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95409
Average low and high temperatures (°F)
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85
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82
55
76
52
62
46
58
44
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Sun exposure
In this area, properties receive around 11.2 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$956,000 – $1.16M
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