As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$995 (−6.7%)
$65,064
2024
$1,066 (−5.5%)
$73,532
2023
$1,128 (−2.2%)
$80,729
2022
$1,154 (−2.6%)
$86,955
2021
$1,184 (+3.0%)
$86,955
2020
$1,150 (−0.6%)
$87,432
2019
$1,157 (+1.5%)
$86,536
2018
$1,140 (+2.0%)
$84,839
2017
$1,117 (+90.6%)
$81,545
2016
$586 (+4.1%)
$81,545
2015
$563 (+3.5%)
$37,961
2014
$544 (+2.3%)
$36,052
2013
$532 (+3.4%)
$36,052
2012
$515 (+2.9%)
2011
$500 (−0.6%)
2010
$504 (+3.6%)
$30,393
2009
$486 (+1.7%)
$60,786
2008
$478
$30,440
Tax history for 9989 Altamont Pass Rd
Year
Property tax
Land + Additions
Assessment*
2025
$995 (−6.7%)
$65,064
2024
$1,066 (−5.5%)
$73,532
2023
$1,128 (−2.2%)
$80,729
2022
$1,154 (−2.6%)
$86,955
2021
$1,184 (+3.0%)
$86,955
2020
$1,150 (−0.6%)
$87,432
2019
$1,157 (+1.5%)
$86,536
2018
$1,140 (+2.0%)
$84,839
2017
$1,117 (+90.6%)
$81,545
2016
$586 (+4.1%)
$81,545
2015
$563 (+3.5%)
$37,961
2014
$544 (+2.3%)
$36,052
2013
$532 (+3.4%)
$36,052
2012
$515 (+2.9%)
2011
$500 (−0.6%)
2010
$504 (+3.6%)
$30,393
2009
$486 (+1.7%)
$60,786
2008
$478
$30,440
*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
Jul 9, 2019 • Final
Building
Replace a 4 ton air conditioning unit and a portion of the ductwork in the same location.
HVAC
Sep 29, 2004 • Final
Building
Demolition
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
Lot Information
Land Sq. Ft: 4,818,607
Municipality Name: LIVERMORE UNINCORP
Acres: 110.62
County Use Description: VACANT RURAL-RES HOMESITES, MA
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: 110.62 acres
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Alameda County
APN: 099B601000106
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
K - 12
Preschool & daycare
Altamont Creek Elementary School
Public K-5 • Assigned • 2.7mi
7/10
Andrew N. Christensen Middle School
Public 6-8 • Assigned • 3.2mi
7/10
Livermore High School
Public 9-12 • Assigned • 6.3mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
3/10 Flood Factor
Estimated 10-14% chance of a flood reaching the building in the next 30 years
8/10 Fire Factor
33% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 96° 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
19 unhealthy days expected this year, 20 days in 30 years
Provided by First Street
Historical weather
Livermore, CA • 94551
Average low and high temperatures (°F)
59
39
62
42
70
45
71
46
78
50
84
53
87
56
90
57
84
59
74
51
64
45
57
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.9 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
11.9 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.54M – $1.87M
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