21891 Mesa Grande Ter is a 1,114 square foot house on a 8,848 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on May 21, 2010 for $155,000. Based on Redfin's Monte Rio data, we estimate the home's value is $514,536.
Single-familyProperty Type
1915Year Built
8,848 sq ftLot Size
$462Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$514,536
$360K since sold in May 2010$12K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.1% lower than the average sale price ($592K) 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
Jul 24, 2018 • Final
Building permit no plan check
Replace the furnace in a single-family home with a 95% efficiency unit.
HVAC
Jun 11, 2016 • Final
Building permit no plan check
HVAC
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: 330
Bathroom Information
# of Full Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: MESA GRANDE ADD 01
Living Sq. Ft: 1,114
Building Sq. Ft: 1,114
# of Stories: 1
Legal Description: LOTS 81 & 83 TIER 1 MESA GRANDE ADDTN NO 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,848
Legal Lot Number: 81
Acres: 0.2031
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,114
Stories: 1.0
Lot Size: 8,848 square feet
Style: Single Family Residential
Year Built: 1915
Year Renovated: 1990
County: Sonoma County
APN: 095022015000
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
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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
$489,000 – $592,000
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