21873 Mesa Grande Ter is a 1,014 square foot house on a 0.5 acre lot with 1 bedroom and 2 bathrooms. Based on Redfin's Monte Rio data, we estimate the home's value is $533,868.
Single-familyProperty Type
1911Year Built
0.5 acresLot Size
$526Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$533,868
$27K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.8% lower than the average sale price ($561K) 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
$2,106 (+2.9%)
$66,799 + $66,828
$133,627
2024
$2,046 (+1.7%)
$65,490 + $65,518
$131,008
2023
$2,012 (+2.0%)
$64,206 + $64,234
$128,440
2022
$1,973 (+1.1%)
$62,948 + $62,975
$125,923
2021
$1,952 (−2.5%)
$61,714 + $61,741
$123,455
2020
$2,001 (+4.6%)
$60,504 + $60,531
$121,035
2019
$1,913 (+15.7%)
$59,884 + $59,911
$119,795
2018
$1,653 (+3.7%)
$58,710 + $58,737
$117,447
2017
$1,594 (+1.9%)
$56,431 + $56,457
$112,888
2015
$1,564 (+1.6%)
$55,325 + $55,350
$110,675
2014
$1,540 (+0.3%)
$53,427 + $53,452
$106,879
2013
$1,536 (+2.8%)
$53,427 + $53,452
$106,879
2012
$1,494 (+1.5%)
$53,186 + $53,211
$106,397
2011
$1,471 (+0.8%)
$52,144 + $52,168
$104,312
2010
$1,459 (−0.4%)
$51,122 + $51,146
$102,268
2009
$1,466 (−1.9%)
$50,740 + $50,764
$101,504
2007
$1,494
$49,864 + $49,888
$99,752
Tax history for 21873 Mesa Grande Ter
Year
Property tax
Land + Additions
Assessment*
2025
$2,106 (+2.9%)
$66,799 + $66,828
$133,627
2024
$2,046 (+1.7%)
$65,490 + $65,518
$131,008
2023
$2,012 (+2.0%)
$64,206 + $64,234
$128,440
2022
$1,973 (+1.1%)
$62,948 + $62,975
$125,923
2021
$1,952 (−2.5%)
$61,714 + $61,741
$123,455
2020
$2,001 (+4.6%)
$60,504 + $60,531
$121,035
2019
$1,913 (+15.7%)
$59,884 + $59,911
$119,795
2018
$1,653 (+3.7%)
$58,710 + $58,737
$117,447
2017
$1,594 (+1.9%)
$56,431 + $56,457
$112,888
2015
$1,564 (+1.6%)
$55,325 + $55,350
$110,675
2014
$1,540 (+0.3%)
$53,427 + $53,452
$106,879
2013
$1,536 (+2.8%)
$53,427 + $53,452
$106,879
2012
$1,494 (+1.5%)
$53,186 + $53,211
$106,397
2011
$1,471 (+0.8%)
$52,144 + $52,168
$104,312
2010
$1,459 (−0.4%)
$51,122 + $51,146
$102,268
2009
$1,466 (−1.9%)
$50,740 + $50,764
$101,504
2007
$1,494
$49,864 + $49,888
$99,752
*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
Upgrade the electrical service to 200 amps.
Electrical
Jun 11, 2016 • Final
Building history record
Work on an addition.
Addition
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: 2
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 3
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Poor
Property Information
Subdivision Name: MESA GRANDE ADD 01
Living Sq. Ft: 1,014
Building Sq. Ft: 1,014
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,756
Legal Lot Number: 61,63
Acres: 0.4994
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 2.0
Sq. Ft.: 1,014
Stories: 1.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1911
Year Renovated: 1948
County: Sonoma County
APN: 095022019000
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 • 11.6mi
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
$508,000 – $614,000
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