PRICE CUT & OPEN HOUSE 2/21 & 2/22. Rare opportunity to own 2 residences on 1 lot in a highly desirable Castro Valley location, with great schools (Castro Valley High 9/10 & Creekside Middle School 8/10) and immediate $2,300/month rental income from the ADU. The fully permitted, detached 590 sq ft ADU (2BR/1BA) includes its own private entrance and in-unit laundry. The main home is a beautifully updated 3BR/2BA and designed around a bright open-concept floor-plan. The kitchen is updated with granite countertops, stainless steel appliances, and white cabinetry. Perfect for multi-gen living or tenant use. Property includes a 1-car drive-through garage, multi-car driveway, and bonus storage. Just mins to CV BART, Castro Valley HS, shops & dining.
Property Details
Price:
$1,249,000
MLS #:
ML82031330
Status:
Active
Beds:
5
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
699notdefined
Listed Date:
Jan 15, 2026
Finished Sq Ft:
1,771
Lot Size:
7,714 sqft / 0.18 acres (approx)
Year Built:
1950
See this Listing
Schools
School District:
Other
High School:
Other
Interior
Bathrooms
3 Full Bathrooms
Cooling
CA
Heating
CF
Exterior
Parking Spots
1
Roof
SHN
Financial
Map
Community
- Address19373 San Miguel AV Castro Valley CA
- CityCastro Valley
- CountyAlameda
- Zip Code94546
Subdivisions in Castro Valley
Market Summary
Current real estate data for Single Family in Castro Valley as of Feb 21, 2026
9
Single Family Listed
38
Avg DOM
485
Avg $ / SqFt
$937,466
Avg List Price
Property Summary
- 19373 San Miguel AV Castro Valley CA is a Single Family for sale in Castro Valley, CA, 94546. It is listed for $1,249,000 and features 5 beds, 3 baths, and has approximately 1,771 square feet of living space, and was originally constructed in 1950. The current price per square foot is $705. The average price per square foot for Single Family listings in Castro Valley is $485. The average listing price for Single Family in Castro Valley is $937,466.
Similar Listings Nearby
Courtesy of BRG Realty. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than include the name of the listing broker. Neither the listing company nor shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.19373 San Miguel AV
Castro Valley, CA