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  • 2121 166Th Ave

2121 166th Ave, Castro Valley, CA 94578

$949,000 Approx. USD 3 beds, 3 baths
1,770 sqft

  VIRTUAL TOUR Reduced by $50,000 on 11/2/2026 Open House 11/8 2:00 PM - 4:00 PM
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Photo of Patrick Ahern

Patrick Ahern REALTOR® - Sales Associate 858-220-9001 m
858-459-0501 o
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com Text Me
Call My Cell
Call My Office
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com La Jolla Prospect Office
1299 Prospect St, Ste. 100-101, 200-203 & 301-302
La Jolla, CA 92037
Phone: 858-459-0501
Fax: 858-459-3275
 La Jolla Prospect 1299 Prospect St, Ste. 100-101, 200-203 & 301-302
La Jolla, CA 92037
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Fax: 858-459-3275
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Listing Agent


David Holmes | david.holmes@compass.com
Lic#: 01901395
Broker: Courtesy of Compass
Phone: 510-325-6479

Agent Remarks

Huge Price Reduction! This absolutely stunning home boasts over $125,000 of tasteful updates and upgrades from the previous two owners including a remodeled kitchen with built in beverage bar, home theater, remodeled half bath with vanity, laminate flooring, recessed lighting, crown molding, dual pane windows, epoxy garage floor, Hardie plank siding, Trex composite decking, new AC, a new driveway, and Tesla car charger. An abundance of natural light fills the open concept and versatile floor plan which flows seamlessly to a beautiful backyard – perfect for relaxing at home or entertaining family and friends on special occasions. Great location—close to the freeway and BART (without the noise) for an easy commute, near the vibrant downtown with a diverse dining scene, and surrounded by abundant hiking and biking trails. This one is not to be missed!

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# 41147899
List price is $949,000 Reduced by $50,000 on 11/2/2026
Price: $949,000
Beds: 3
Baths: 3 (2 full) (1 half)
Living Room fireplaces
Built in 1978
1,770 sqft
2 stories
0.10 acres
Lot size: 0.0979
Subdivision: Other
County: Alameda
Property style: Contemporary
Construction: See Remarks
Parking description: Garage
Heating/cooling: Central Air
Heating description: Gravity

Last Updated: 11/2/2026

 Days On Market (DOM): 29

 Find more Castro Valley homes and real estate

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The style of this listing is Contemporary.
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Lat/Long: 37.698985, -122.102339.
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DISCLAIMER: There is NO WARRANTY, expressed or implied, for the accuracy of this information or its applicability to your financial situation. Please consult your financial and/or tax advisor. GET PRE-APPROVED The loan's interest rate will depend upon the specific characteristics of the loan transaction and credit profile up to the time of closing.

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Photo of Patrick Ahern

Patrick Ahern REALTOR® - Sales Associate 858-220-9001 m
858-459-0501 o
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com Text Me
Call My Cell
Call My Office
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com
La Jolla Prospect Office
1299 Prospect St, Ste. 100-101, 200-203 & 301-302
La Jolla, CA 92037
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