21474 Rio Vista Ter is a 856 square foot house on a 4,000 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's Monte Rio data, we estimate the home's value is $462,233.
Single-familyProperty Type
1952Year Built
4,000 sq ftLot Size
$540Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$462,233
$17K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.1% higher than the average sale price ($432K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,416 (+3.6%)
$34,516 + $42,717
$77,233
2024
$1,367 (+1.7%)
$33,840 + $41,880
$75,720
2023
$1,344 (+2.0%)
$33,177 + $41,059
$74,236
2022
$1,318 (+1.1%)
$32,527 + $40,254
$72,781
2021
$1,304 (−3.9%)
$31,890 + $39,465
$71,355
2020
$1,357 (+6.2%)
$31,265 + $38,692
$69,957
2019
$1,278 (+22.5%)
$30,945 + $38,296
$69,241
2018
$1,043 (+3.2%)
$30,339 + $37,546
$67,885
2017
$1,011 (−6.6%)
$29,162 + $36,089
$65,251
2015
$1,083 (+1.4%)
$28,591 + $35,382
$63,973
2014
$1,068 (+0.2%)
$27,611 + $34,169
$61,780
2013
$1,066 (+3.3%)
$27,611 + $34,169
$61,780
2012
$1,032 (+1.3%)
$27,487 + $34,015
$61,502
2011
$1,019 (+0.7%)
$26,949 + $33,349
$60,298
2010
$1,012 (−0.4%)
$26,421 + $32,696
$59,117
2009
$1,015 (−3.5%)
$26,224 + $32,452
$58,676
2007
$1,052
$25,772 + $31,893
$57,665
Tax history for 21474 Rio Vista Ter
Year
Property tax
Land + Additions
Assessment*
2025
$1,416 (+3.6%)
$34,516 + $42,717
$77,233
2024
$1,367 (+1.7%)
$33,840 + $41,880
$75,720
2023
$1,344 (+2.0%)
$33,177 + $41,059
$74,236
2022
$1,318 (+1.1%)
$32,527 + $40,254
$72,781
2021
$1,304 (−3.9%)
$31,890 + $39,465
$71,355
2020
$1,357 (+6.2%)
$31,265 + $38,692
$69,957
2019
$1,278 (+22.5%)
$30,945 + $38,296
$69,241
2018
$1,043 (+3.2%)
$30,339 + $37,546
$67,885
2017
$1,011 (−6.6%)
$29,162 + $36,089
$65,251
2015
$1,083 (+1.4%)
$28,591 + $35,382
$63,973
2014
$1,068 (+0.2%)
$27,611 + $34,169
$61,780
2013
$1,066 (+3.3%)
$27,611 + $34,169
$61,780
2012
$1,032 (+1.3%)
$27,487 + $34,015
$61,502
2011
$1,019 (+0.7%)
$26,949 + $33,349
$60,298
2010
$1,012 (−0.4%)
$26,421 + $32,696
$59,117
2009
$1,015 (−3.5%)
$26,224 + $32,452
$58,676
2007
$1,052
$25,772 + $31,893
$57,665
*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 no plan check
Roofing
Jun 11, 2016 • Final
Building history record
Work on a sewer system.
Plumbing
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
Bathroom Information
# of Full Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 3
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Fair
Property Information
Subdivision Name: MONTE RIO PARK
Living Sq. Ft: 856
Ground Floor Sq. Ft: 856
Building Sq. Ft: 856
# of Stories: 1
Legal Description: MAP 15 PG 4 LOT 12
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,000
Legal Lot Number: 12
Acres: 0.0918
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 856
Stories: 1.0
Lot Size: 4,000 square feet
Style: Single Family Residential
Year Built: 1952
Year Renovated: 1956
County: Sonoma County
APN: 095157011000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Places
Transit
Monte Rio Elementary School
Public K-8 • Assigned • 0.5mi
7/10
Analy High School
Public 9-12 • Assigned • 10.7mi
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, 24 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
60
43
69
44
66
46
74
49
75
51
73
52
81
53
78
53
75
49
62
45
58
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$440,000 – $532,000
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