20 Inverrary Ln is a 4,767 square foot house on a 0.58 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on May 15, 1992 for $660,000. Based on Redfin's Alamo data, we estimate the home's value is $3,003,974.
Single-familyProperty Type
1987Year Built
0.58 acresLot Size
$630Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,003,974
$2.3M since sold in May 1992$20K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.3% higher than the average sale price ($2.77M) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 26, 2006 • Final
Building - residential mechanical
Remove and replace two furnaces and two air conditioning units. Verification of duct sealing is required per Title 24 regulations.
HVAC
Jun 18, 2001 • Final
Building - residential mechanical
Replace the heating and air conditioning unit.
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
Heating & Cooling
Air Conditioning Type: Central
Heating Fuel Type: Gas
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 3
Has Fireplace
Room Information
# of Rooms: 12
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Contemporary
Building Construction Quality: Good
Exterior Wall: Wood Siding
View Information
View: Good
Property Information
Living Sq. Ft: 4,767
Ground Floor Sq. Ft: 2,991
Building Sq. Ft: 4,767
# of Stories: 2
Legal Description: T04915 L0020 B
Parking & Garage Information
# of Parking Spaces: 3
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 780
Lot Information
# of Buildings: 1
Land Sq. Ft: 25,350
Legal Lot Number: 20
Acres: 0.582
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 4,767
Stories: 2.0
Lot Size: 0.58 acres
Style: Single Family Residential
Year Built: 1987
Year Renovated: 1988
County: Contra Costa County
APN: 1936800133
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Rancho Romero Elementary School
Public K-5 • Assigned • 2.2mi
9/10
Stone Valley Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 1.6mi
10/10
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
5/10 Fire Factor
5% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 94° expected this year, 14 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, 17 days in 30 years
Provided by First Street
Historical weather
Alamo, CA • 94507
Average low and high temperatures (°F)
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76
53
62
44
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43
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Sun exposure
In this area, properties receive around 11.8 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
11.8 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.85M – $3.46M
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