Rare Duplex Opportunity! Rent out both sides or live in one of the 2 bedroom 1 bath units and keep the other rented and supplement your income. Newer Carpet in the vacant unit. Both units have their own single car attached garage and a private backyard patio area to enjoy. Very low maintenance and great location for these two units! Close to schools, shopping, Bart and Freeway
Multi-familyProperty Type
1962Year Built
6,250 sq ftLot Size
$628Est. Price/Sq.Ft.
1 car garageParking
Listed by Tanya Jones•DRE #01242674• Compass
Bought with Mark Rodrigues•DRE #00886103• Coldwell Banker Realty
bridgeMLS, Bay East AOR, or Contra Costa AOR #40939752
Apr 12, 2021
Sold
$910,000
$542/sq ft
Mar 10, 2021
Pending
—
Mar 2, 2021
Listed
$899,000
$535/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40646074
Apr 29, 2014
Sold
$610,000
$363/sq ft
Apr 2, 2014
Pending
—
Mar 12, 2014
Relisted
—
Mar 7, 2014
Pending
—
Feb 27, 2014
Pending
—
Feb 14, 2014
Listed
$599,900
$357/sq ft
+1
Great Duplex in convenient location- close to schools, parks and up the street from BART. 2 bedroom 1 bath units with central heat, individual fenced rear patios with new fences. 2 large one car garages below units. Laundry hookups in each unit. Great Opportunity!
Year
Property tax
Land + Additions
Assessment*
2025
$13,144 (+2.4%)
$295,500 + $689,501
$985,001
2024
$12,837 (+1.8%)
$295,500 + $689,501
$985,001
2023
$12,612 (+2.1%)
$289,707 + $675,984
$965,691
2022
$12,352 (+29.8%)
$278,460 + $649,740
$928,200
2021
$9,515 (+2.4%)
$278,460 + $649,740
$928,200
2020
$9,292 (−1.7%)
$207,243 + $483,568
$690,811
2019
$9,452 (+2.9%)
$205,119 + $478,611
$683,730
2018
$9,181 (+2.8%)
$201,098 + $469,230
$670,328
2017
$8,935 (+5.0%)
$193,291 + $451,014
$644,305
2016
$8,509 (+7.1%)
$193,291 + $451,014
$644,305
2015
$7,946 (+339.0%)
$189,501 + $442,171
$631,672
2014
$1,810 (+3.8%)
$37,001 + $36,001
$73,002
2013
$1,743 (+3.5%)
$37,001 + $36,001
$73,002
2012
$1,684 (+1.7%)
$36,834 + $35,839
$72,673
2011
$1,656 (+1.2%)
$36,112 + $35,136
$71,248
2010
$1,635 (+1.2%)
$35,404 + $34,447
$69,851
2009
$1,615 (+6.0%)
$35,139 + $34,190
$69,329
2008
$1,524
$35,223 + $34,271
$69,494
Tax history for 18177 Redwood Rd
Year
Property tax
Land + Additions
Assessment*
2025
$13,144 (+2.4%)
$295,500 + $689,501
$985,001
2024
$12,837 (+1.8%)
$295,500 + $689,501
$985,001
2023
$12,612 (+2.1%)
$289,707 + $675,984
$965,691
2022
$12,352 (+29.8%)
$278,460 + $649,740
$928,200
2021
$9,515 (+2.4%)
$278,460 + $649,740
$928,200
2020
$9,292 (−1.7%)
$207,243 + $483,568
$690,811
2019
$9,452 (+2.9%)
$205,119 + $478,611
$683,730
2018
$9,181 (+2.8%)
$201,098 + $469,230
$670,328
2017
$8,935 (+5.0%)
$193,291 + $451,014
$644,305
2016
$8,509 (+7.1%)
$193,291 + $451,014
$644,305
2015
$7,946 (+339.0%)
$189,501 + $442,171
$631,672
2014
$1,810 (+3.8%)
$37,001 + $36,001
$73,002
2013
$1,743 (+3.5%)
$37,001 + $36,001
$73,002
2012
$1,684 (+1.7%)
$36,834 + $35,839
$72,673
2011
$1,656 (+1.2%)
$36,112 + $35,136
$71,248
2010
$1,635 (+1.2%)
$35,404 + $34,447
$69,851
2009
$1,615 (+6.0%)
$35,139 + $34,190
$69,329
2008
$1,524
$35,223 + $34,271
$69,494
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
4
Baths
2
Stories
1.5
Lot width
—
Lot depth
—
Lot size
6,250 Sq. Ft.
Year renovated
1962
Sq. Ft.
1,680
Year built
1962
Style
Multi-Family (2-4 Unit)
County
Alameda County
APN
084D120800614
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 27, 2026.
R1
Single-Family Residence Districts
Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.
Permitted uses
Include but are not limited to:
Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard
Jan 24, 2005 • Final
Building
Remove the existing tar and gravel roof and replace it with a new modified bitumen roofing system. The new roof will be a Class A system.
Roofing
Sep 15, 1992 • Final
Building
Plumbing
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
Parking
Parking Information
Total # of Parking Spaces: 2
Has Attached Garage
Parking Features: Attached
Interior
Interior Features
Interior Features: Tub w/Shower Over
Window Features: Window Coverings
Flooring: Linoleum, Carpet
Unit 1 Information
Unit 1 # of Bathrooms: 1
Unit 1 Parking Spaces: 1
Unit 2 Information
Unit 2 # of Bathrooms: 1
Unit 2 # of Parking Spaces: 1
Multi-Unit Information
Number Of Units Total: 2
Exterior
Building Information
Construction Materials: Stucco
Building Area Total: 1,680
Exterior Features
Patio And Porch Features: Balcony/Patio
Fencing: Back Yard
Property Information
Living Area: 1680
Living Area Units: Square Feet
Property Type: Residential Income
Property Sub Type: DUPLEX
Year Built: 1962
Lot Information
Lot Size Square Feet: 6250
Lot Size Area: 0.14
Lot Size Units: Acres
Lot Size Acres: 0.14
Financial
Tax Information
Tax Annual Amount: $9,292
Utilities
Utility Information
Utilities: Individual Electric Meter, Individual Gas Meter
Heating & Cooling
Has Heating
Heating: Forced Air
Location
School Information
High School District: Castro Valley (510) 537-3000
Community Information
Community Features: Play Area
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,680
Stories: 1.5
Lot Size: 6,250 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1962
Year Renovated: 1962
County: Alameda County
APN: 084D120800614
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Proctor Elementary School
Public K-5 • Assigned • 0.3mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.6mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley's late-summer market shows a clear split. While median prices hold near $1.2M, increased inventory gives buyers leverage on older properties. However, immaculate homes still go pending in under 15 days. A strong, clean offer is key!
Strong buyer demand keeps the Castro Valley market moving incredibly fast. With homes frequently selling above their $1.2 million median price, decisive action is essential. To win here, buyers need to submit competitive offers quickly and minimize...
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2021. This data may not match public records. Learn more.