4247 Gem Ave Castro Valley, CA ^$ 999,000

4247 Gem Ave

^$ 999,000

Back to search

Recently Listed

Open House 11/1 3pm - 5pm

4247 Gem Ave

Castro Valley, CA, 94546

^$ 999,000

Bedrooms3 Baths3.0 Sq 1,737

Monthly Estimate*

^$ 6,900

4247 Gem Ave, Castro Valley, CA 94546 - Image 1

4247 Gem Ave, Castro Valley, CA 94546 - Image 2

4247 Gem Ave, Castro Valley, CA 94546 - Image 3

4247 Gem Ave, Castro Valley, CA 94546 - Image 4

4247 Gem Ave, Castro Valley, CA 94546 - Image 5

4247 Gem Ave, Castro Valley, CA 94546 - Image 6

4247 Gem Ave, Castro Valley, CA 94546 - Image 7

4247 Gem Ave, Castro Valley, CA 94546 - Image 8

4247 Gem Ave, Castro Valley, CA 94546 - Image 9

4247 Gem Ave, Castro Valley, CA 94546 - Image 10

4247 Gem Ave, Castro Valley, CA 94546 - Image 11

4247 Gem Ave, Castro Valley, CA 94546 - Image 12

4247 Gem Ave, Castro Valley, CA 94546 - Image 13

4247 Gem Ave, Castro Valley, CA 94546 - Image 14

4247 Gem Ave, Castro Valley, CA 94546 - Image 15

4247 Gem Ave, Castro Valley, CA 94546 - Image 16

4247 Gem Ave, Castro Valley, CA 94546 - Image 17

4247 Gem Ave, Castro Valley, CA 94546 - Image 18

4247 Gem Ave, Castro Valley, CA 94546 - Image 19

4247 Gem Ave, Castro Valley, CA 94546 - Image 20

4247 Gem Ave, Castro Valley, CA 94546 - Image 21

4247 Gem Ave, Castro Valley, CA 94546 - Image 22

4247 Gem Ave, Castro Valley, CA 94546 - Image 23

4247 Gem Ave, Castro Valley, CA 94546 - Image 24

4247 Gem Ave, Castro Valley, CA 94546 - Image 25

4247 Gem Ave, Castro Valley, CA 94546 - Image 26

4247 Gem Ave, Castro Valley, CA 94546 - Image 27

4247 Gem Ave, Castro Valley, CA 94546 - Image 28

4247 Gem Ave, Castro Valley, CA 94546 - Image 29

4247 Gem Ave, Castro Valley, CA 94546 - Image 30

4247 Gem Ave, Castro Valley, CA 94546 - Image 31

4247 Gem Ave, Castro Valley, CA 94546 - Image 32

4247 Gem Ave, Castro Valley, CA 94546 - Image 33

4247 Gem Ave, Castro Valley, CA 94546 - Image 34

4247 Gem Ave, Castro Valley, CA 94546 - Image 35

4247 Gem Ave, Castro Valley, CA 94546 - Image 36

4247 Gem Ave, Castro Valley, CA 94546 - Image 37

4247 Gem Ave, Castro Valley, CA 94546 - Image 38

4247 Gem Ave, Castro Valley, CA 94546 - Image 39

4247 Gem Ave, Castro Valley, CA 94546 - Image 40

4247 Gem Ave, Castro Valley, CA 94546 - Image 41

4247 Gem Ave, Castro Valley, CA 94546 - Image 42

4247 Gem Ave, Castro Valley, CA 94546 - Image 43

4247 Gem Ave, Castro Valley, CA 94546 - Image 44

4247 Gem Ave, Castro Valley, CA 94546 - Image 45

4247 Gem Ave, Castro Valley, CA 94546 - Image 46

4247 Gem Ave, Castro Valley, CA 94546 - Image 47

4247 Gem Ave, Castro Valley, CA 94546 - Image 48

4247 Gem Ave, Castro Valley, CA 94546 - Image 49

4247 Gem Ave, Castro Valley, CA 94546 - Image 50

4247 Gem Ave, Castro Valley, CA 94546 - Image 51

4247 Gem Ave, Castro Valley, CA 94546 - Image 52

4247 Gem Ave, Castro Valley, CA 94546 - Image 53

4247 Gem Ave, Castro Valley, CA 94546 - Image 54

4247 Gem Ave, Castro Valley, CA 94546 - Image 55

4247 Gem Ave, Castro Valley, CA 94546 - Image 56

4247 Gem Ave, Castro Valley, CA 94546 - Image 57

4247 Gem Ave, Castro Valley, CA 94546 - Image 58

4247 Gem Ave, Castro Valley, CA 94546 - Image 59

4247 Gem Ave, Castro Valley, CA 94546 - Image 60

4247 Gem Ave, Castro Valley, CA 94546 - Image 61

4247 Gem Ave, Castro Valley, CA 94546 - Image 62

4247 Gem Ave, Castro Valley, CA 94546 - Image 63

4247 Gem Ave, Castro Valley, CA 94546 - Image 64

4247 Gem Ave, Castro Valley, CA 94546 - Image 65

4247 Gem Ave, Castro Valley, CA 94546 - Image 66

4247 Gem Ave, Castro Valley, CA 94546 - Image 67

4247 Gem Ave, Castro Valley, CA 94546 - Image 68

4247 Gem Ave, Castro Valley, CA 94546 - Image 69

4247 Gem Ave, Castro Valley, CA 94546 - Image 70

4247 Gem Ave, Castro Valley, CA 94546 - Image 71

4247 Gem Ave, Castro Valley, CA 94546 - Image 72

4247 Gem Ave, Castro Valley, CA 94546 - Image 73

4247 Gem Ave, Castro Valley, CA 94546 - Image 74

4247 Gem Ave, Castro Valley, CA 94546 - Image 75

4247 Gem Ave, Castro Valley, CA 94546 - Image 76

4247 Gem Ave, Castro Valley, CA 94546 - Image 77

4247 Gem Ave, Castro Valley, CA 94546 - Image 78

4247 Gem Ave, Castro Valley, CA 94546 - Image 79

4247 Gem Ave, Castro Valley, CA 94546 - Image 80

4247 Gem Ave, Castro Valley, CA 94546 - Image 81

4247 Gem Ave, Castro Valley, CA 94546 - Image 82

4247 Gem Ave, Castro Valley, CA 94546 - Image 83

4247 Gem Ave, Castro Valley, CA 94546 - Image 84

4247 Gem Ave, Castro Valley, CA 94546 - Image 85

4247 Gem Ave, Castro Valley, CA 94546 - Image 86

4247 Gem Ave, Castro Valley, CA 94546 - Image 87

4247 Gem Ave, Castro Valley, CA 94546 - Image 88

4247 Gem Ave, Castro Valley, CA 94546 - Image 89

4247 Gem Ave, Castro Valley, CA 94546 - Image 90

4247 Gem Ave, Castro Valley, CA 94546 - Image 91

4247 Gem Ave, Castro Valley, CA 94546 - Image 92

4247 Gem Ave, Castro Valley, CA 94546 - Image 93

4247 Gem Ave, Castro Valley, CA 94546 - Image 94

4247 Gem Ave, Castro Valley, CA 94546 - Image 95

4247 Gem Ave, Castro Valley, CA 94546 - Image 96

4247 Gem Ave, Castro Valley, CA 94546 - Image 97

4247 Gem Ave, Castro Valley, CA 94546 - Image 98

4247 Gem Ave, Castro Valley, CA 94546 - Image 99

View a Virtual Tour

Single Family Home for sale in Castro Valley, CA

for $999,000 with 3 bedrooms and 3 full baths. This 1,737 square foot home was built in 1947 on a lot size of 0.13.

Welcome to 4247 Gem Avenue, a beautifully renovated single-story home in the heart of Castro Valley! Thoughtfully transformed with quality craftsmanship, modern finishes, and extensive upgrades completed with permits. The stunning kitchen features stainless steel appliances, custom cabinetry, a spacious island, and a pot filler. Beautifully designed bathrooms offer walk-in showers, rainfall showerheads, and modern fixtures. Major improvements include new electrical wiring with a 200-amp panel, updated plumbing and drainage, a new HVAC furnace and ductwork, and a new composition roof. Additional highlights include waterproof plank flooring, designer lighting, an EV-ready garage, and refreshed landscaping. Conveniently located near Castro Valley’s highly regarded schools, shopping, dining, and commuter routes. Move-in ready with the peace of mind of permitted improvements!

Open House

11/1/2026 3:00 PM - 5:00 PM

4247 Gem Ave Castro Valley, CA

* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

^$ 999,000

Bedrooms

Full Bath

Property Type

Single Family

Taxes

^$ 0

Style

Ranch

Lot Size

0.13

Year Built

1947

Town/City

Castro Valley

County/Region

Alameda

MLS | Web ID

41151756

Features

General

Living Area 1737

Sewer Public Sewer

Heating Central

Cooling None

Roof Composition Shingles

Appliances Dishwasher Gas Range Refrigerator Tankless Water Heater

Garage Spaces 1

Architectural Style Ranch

Pool Features None

Construction Materials Stucco

Year Built 1947

Electric No Solar

Stories Count 1

Levels One Story

Property Subtype Detached

County Alameda

New Construction false

Property Type Residential

HOA false

Subdivision Name Castro Valley

Garage Y/N true

Total Rooms 6

Full Baths 3

Status New

Directions GPS..

City Castro Valley

MLS Area Listing

Lot Size Square Feet 5775

Property Condition Existing

Virtual Tour https://4247Gem.com/idx

Standard Status Active

Interior

Interior Amenities Dining Area Breakfast Bar Updated Kitchen

Flooring Hardwood

Total Fireplaces 3

Fireplace Features Living Room

Air Conditioning Y/N false

Heating Y/N true

Fireplace Y/N true

Laundry Features Hookups Only Laundry Room

Total Bedrooms 3

Kitchen Features Breakfast Bar Stone Counters Dishwasher Disposal Gas Range/Cooktop Refrigerator Updated Kitchen Other

Total Baths 3

1/2 Baths 0

Exterior

Exterior Amenities Garden Back Yard Front Yard Garden/Play See Remarks

Fencing Fenced

Parking Features Attached

Lot Features Level See Remarks

Water Source Public

Lot Size Area 5775

Building Area Total 1737

Lot Size Acres 0.13

Other Equipment See Remarks

* Excluded Features

List By

Kristen Bleth

Listing Agent

Evolve Real Estate

Broker

kristen@evolvereca.com

Affordability Calculator

$6,900

Per Month

Monthly Principal & Interest: $6,900
Monthly Property Taxes: --
Monthly Home Insurance: --

Set your offer price

Down Payment

Loan Term

Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Learn more about how to save

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

THE TIME TO SELL IS NOW! What's my home worth?

Nearby

Trends
Schools

Single family listings in Castro Valley, CA

Average List Price ^$1,279,550

Percent of Sale Price 28%

About Castro Valley, CA

63,507 Population

6% Since 2002

^$88,568 Median Income

42.76 Median Age

32% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4827338 Elementary School

0 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
10/20/2026	$999,000		Listed Price

Map

More homes like this one

homes for you

See all

4247 Gem Ave, Castro Valley, CA, 94546 is a Single Family Home for sale at $999,000 with 1,737 sqft and a lot size of 0.13. 4247 Gem Ave has 3 bedrooms, 3.0 baths, and was built in 1947. The property's zip code is 94546 which is in Castro Valley, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at 10/27/2026 02:52 AM UTC

*Full Name

*Email

*Phone

I am interested in financing options

Get more info

By submitting the form, you agree that Weichert^® may contact you via phone or text about your inquiry, which may involve the use of automated means. You are not required to consent as a condition of purchasing any property, goods or services. For any other information please read our privacy policy.

Get more info

Looking for an Associate?

Already Working with an Associate?

4247 Gem Ave

Single Family Home for sale in Castro Valley, CA

Open House

Affordability Calculator

Map

More homes like this one

Get more info about this home