21818 Monte Vista Ter is a 576 square foot house on a 8,896 square foot lot with 1 bathroom. Based on Redfin's Monte Rio data, we estimate the home's value is $310,867.
Single-familyProperty Type
1915Year Built
8,896 sq ftLot Size
$540Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$310,867
$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 39% lower than the average sale price ($509K) of 5 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
$1,000 (+4.2%)
$12,939 + $18,829
$31,768
2024
$960 (+1.3%)
$12,686 + $18,460
$31,146
2023
$947 (+1.9%)
$12,438 + $18,099
$30,537
2022
$929 (+0.8%)
$12,195 + $17,745
$29,940
2021
$922 (−5.7%)
$11,956 + $17,398
$29,354
2020
$979 (+7.8%)
$11,722 + $17,057
$28,779
2019
$908 (+31.5%)
$11,602 + $16,883
$28,485
2018
$690 (+2.1%)
$11,375 + $16,552
$27,927
2017
$677 (−2.5%)
$10,934 + $15,910
$26,844
2015
$694 (+0.9%)
$10,720 + $15,599
$26,319
2014
$688 (+0.2%)
$10,353 + $15,065
$25,418
2013
$687 (+4.2%)
$10,353 + $15,065
$25,418
2012
$659 (+0.9%)
$10,307 + $14,997
$25,304
2011
$653 (+0.4%)
$10,105 + $14,703
$24,808
2010
$651 (−0.2%)
$9,907 + $14,415
$24,322
2009
$652 (−6.3%)
$9,833 + $14,308
$24,141
2007
$696
$9,664 + $14,061
$23,725
Tax history for 21818 Monte Vista Ter
Year
Property tax
Land + Additions
Assessment*
2025
$1,000 (+4.2%)
$12,939 + $18,829
$31,768
2024
$960 (+1.3%)
$12,686 + $18,460
$31,146
2023
$947 (+1.9%)
$12,438 + $18,099
$30,537
2022
$929 (+0.8%)
$12,195 + $17,745
$29,940
2021
$922 (−5.7%)
$11,956 + $17,398
$29,354
2020
$979 (+7.8%)
$11,722 + $17,057
$28,779
2019
$908 (+31.5%)
$11,602 + $16,883
$28,485
2018
$690 (+2.1%)
$11,375 + $16,552
$27,927
2017
$677 (−2.5%)
$10,934 + $15,910
$26,844
2015
$694 (+0.9%)
$10,720 + $15,599
$26,319
2014
$688 (+0.2%)
$10,353 + $15,065
$25,418
2013
$687 (+4.2%)
$10,353 + $15,065
$25,418
2012
$659 (+0.9%)
$10,307 + $14,997
$25,304
2011
$653 (+0.4%)
$10,105 + $14,703
$24,808
2010
$651 (−0.2%)
$9,907 + $14,415
$24,322
2009
$652 (−6.3%)
$9,833 + $14,308
$24,141
2007
$696
$9,664 + $14,061
$23,725
*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 history record
Upgrade the electrical system.
Electrical
Jun 11, 2016 • Final
Building permit no plan check
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
Bathroom Information
# of Full Baths: 1
Room Information
# of Rooms: 1
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Poor
Property Information
Subdivision Name: TIER 1/MESA GRANDE ADD #1
Living Sq. Ft: 576
Ground Floor Sq. Ft: 576
Building Sq. Ft: 576
# of Stories: 1
Legal Description: LTS 16 & 17 MESA GRANDE ADDN
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,896
Legal Lot Number: 16
Acres: 0.2042
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: 1.0
Sq. Ft.: 576
Stories: 1.0
Lot Size: 8,896 square feet
Style: Single Family Residential
Year Built: 1915
Year Renovated: 1924
County: Sonoma County
APN: 095034010000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Monte Rio Elementary School
Public K-8 • Assigned • 0.5mi
7/10
Analy High School
Public 9-12 • Assigned • 11.5mi
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
8 days above 84° expected this year, 21 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
82
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
$296,000 – $358,000
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