3446 Pine St is a 2,185 square foot house on a 5,000 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on October 31, 1989 for $168,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,029,343.
Single-familyProperty Type
1948Year Built
5,000 sq ftLot Size
$471Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,029,343
$861K since sold in October 1989$32K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.1% higher than the average sale price ($952K) 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
Aug 1, 2019 • Final
Building
Assign a new address to an accessory dwelling unit.
ADU
Feb 7, 2006 • Final
Building
Complete construction work on a residential building. Add second story decks and finish the habitable area.
Addition
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
Heating Type: Heat Pump
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 2,185
Building Sq. Ft: 2,185
# of Units: 1
# of Stories: 2
Legal Description: TRACT 815 BLK A LOT 7
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,000
Legal Lot Number: 7
Legal Block Number: A
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1148
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,185
Stories: 2.0
Lot Size: 5,000 square feet
Style: Single Family Residential
Year Built: 1948
Year Renovated: 1982
County: Alameda County
APN: 084C060900300
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Marshall Elementary School
Public K-5 • Assigned • 0.5mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 0.9mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.9mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley remains a highly competitive market. On average, homes are selling for 103.7% of their asking price, with nearly 60% of properties closing above list price.
Castro Valley's fall market offers great buyer leverage. While median prices hold steady around $1.2M, increased inventory gives you room to negotiate on homes needing updates. Turnkey properties still move fast in under 15 days, so act quickly with...