1817 9th St is a 1,200 square foot house on a 4,445 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on May 12, 1995 for $145,000. Based on Redfin's Alameda data, we estimate the home's value is $939,608.
Single-familyProperty Type
1907Year Built
4,445 sq ftLot Size
$783Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$939,608
$795K since sold in May 1995$33K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.5% lower than the average sale price ($994K) 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
R-2
Two-Family Residence District
It is intended that this district classification be applied in lower density neighborhoods where one-family, two-family, and multifamily dwellings are or are intended to be the dominant use.
Replace the existing brick foundation with concrete and add plywood sheathing at the crawl space.
Addition
Remodel
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: 121
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Floor Furnace
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Raised W/Crawlspace
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Wood Siding
Building Type: Detached
Property Information
Subdivision Name: MASTIK PARK
Living Sq. Ft: 1,200
Building Sq. Ft: 1,200
# of Units: 1
# of Stories: 1
Legal Description: OFFICIAL RECS 22 PG 56 BLK F LOT 9
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,445
Legal Lot Number: 9
Legal Block Number: F
Municipality Name: ALAMEDA INCORP
Acres: 0.102
Depth Footage: 127
Front Footage: 35
Zoning Code: R-2
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,200
Stories: 1.0
Lot Size: 4,445 square feet
Style: Single Family Residential
Year Built: 1907
Year Renovated: 1907
County: Alameda County
APN: 073 041004800
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
Maya Lin School
Public K-5 • Assigned • 0.3mi
8/10
Encinal Jr. Sr. High School
Public 6-12 • Assigned • 1.1mi
7/10
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
3/10 Heat Factor
7 days above 82° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
16 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Alameda, CA • 94501
Average low and high temperatures (°F)
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66
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66
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70
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72
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71
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63
52
57
48
Jan
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Sun exposure
In this area, properties receive around 10.9 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.9 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$893,000 – $1.08M
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