21458 Alpine Ter is a 1,280 square foot house on a 0.66 acre lot with 2 bedrooms and 3 bathrooms. - it last sold on July 30, 2015 for $368,000. Based on Redfin's Monte Rio data, we estimate the home's value is $664,916.
Single-familyProperty Type
1910Year Built
0.66 acresLot Size
$519Est. Price/Sq.Ft.
1 spaceParking
Source:Public Records
Redfin Estimate
$664,916
$297K since sold in July 2015$29K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.6% lower than the average sale price ($704K) 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.
Permits
Jun 11, 2016 • Final
Building permit with plan check
Replace damaged deck posts with similar materials. Install new footings, pressure-treated posts, caps, and bases.
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
Interior
Basement Information
Basement Sq. Ft: 240
Bathroom Information
# of Full Baths: 3
Heating & Cooling
Heating Type: Solar
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Raised W/Crawlspace
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Exterior Wall: Wood
Property Information
Subdivision Name: MONTE RIO PARK
Living Sq. Ft: 1,280
Ground Floor Sq. Ft: 560
Building Sq. Ft: 1,280
# of Stories: 2
Legal Description: LOT 1-4
Parking & Garage Information
# of Parking Spaces: 1
Garage/Parking Sq. Ft: 280
Lot Information
# of Buildings: 1
Land Sq. Ft: 28,884
Legal Lot Number: 1-4
Legal Block Number: L
Acres: 0.6631
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Location Information
Parcel Location Influence: Woodland
Utility Information
Sewer Type: Septic
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 3.0
Sq. Ft.: 1,280
Stories: 2.0
Lot Size: 0.66 acres
Style: Single Family Residential
Year Built: 1910
Year Renovated: 1990
County: Sonoma County
APN: 095134001000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Monte Rio Elementary School
Public K-8 • Assigned • 0.6mi
7/10
Analy High School
Public 9-12 • Assigned • 10.8mi
8/10
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
9 days above 86° expected this year, 23 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Monte Rio, CA • 95462
Average low and high temperatures (°F)
59
40
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43
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66
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73
52
82
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78
53
75
49
62
45
58
44
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Sun exposure
In this area, properties receive around 10.6 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
10.6 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$632,000 – $765,000
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