17671 W Grant Line Rd is a 2,802 square foot house on a 2.38 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on July 29, 1988 for $95,000. Based on Redfin's Mountain House data, we estimate the home's value is $903,975.
Single-familyProperty Type
2008Year Built
2.38 acresLot Size
$323Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$903,975
$809K since sold in July 1988$78K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.5% lower than the average sale price ($947K) 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.
Zoning and permits
Zoning
Permits
A
Agricultural Districts
Agricultural districts, hereinafter designated as A districts, are established to promote implementation of general plan land use proposals for agricultural and other nonurban uses, to conserve and protect existing agricultural uses, and to provide space for and encourage such uses in places where more intensive development is not desirable or necessary for the general welfare.
Permitted uses
Include but are not limited to:
Equestrian facility
Greenhouse / nursery
Livestock production
Ranch
Winery & vineyard
Housing-Single unit
Housing-Other
Agriculture-Cropland
Dec 2, 2008 • Final
Building
Install a new pre-manufactured single-family home with three bedrooms and two bathrooms. Demolish the existing single-family home on the site.
Demolition
New construction
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
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 2,802
Building Sq. Ft: 2,802
# of Stories: 1
Legal Description: TWP 02S RGE 04E SEC 17 QTR SE4
Lot Information
# of Buildings: 1
Land Sq. Ft: 103,673
Municipality Name: MOUNTAIN HOUSE UNINCORP
Acres: 2.38
County Use Description: IMPROVED RURAL-RESIDENTIAL HOM
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,802
Stories: 1.0
Lot Size: 2.38 acres
Style: Single Family Residential
Year Built: 2008
Year Renovated: 2008
County: Alameda County
APN: 099B765000515
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
Mountain House Elementary School
Public K-8 • Assigned • 2.4mi
9/10
Mountain House High School
Public 9-12 • Assigned • 0.9mi
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
9/10 Fire Factor
53% chance of being in a wildfire in next 30 years
6/10 Heat Factor
7 days above 100° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
22 unhealthy days expected this year, 23 days in 30 years
Provided by First Street
Historical weather
Mountain House, CA • 95391
Average low and high temperatures (°F)
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89
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80
55
64
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56
43
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Feb
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Sun exposure
In this area, properties receive around 12.3 hours in
June and 4.7 hours in December, placing it above the
U.S. average for solar exposure.
12.3 hrs
4.7 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$859,000 – $1.04M
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