GUIDE Real Estate
  • HOME
  • About
    1. ABOUT
    2. MEET LAUREN
    3. MEET KAREN
    4. TESTIMONIALS
  • Communities
    1. PASO ROBLES
    2. SAN MIGUEL
    3. ATASCADERO
    4. SAN LUIS OBISPO
    5. TEMPLETON
    6. PISMO BEACH
    7. CRESTON
    8. ARROYO GRANDE
    9. SANTA MARGARITA
  • Sellers
    1. SELLERS
    2. HOME VALUATION
    3. MARKETING
  • Buyers
    1. HOME SEARCH
    2. FEATURED LISTINGS
  • Contact
  • MORE
  • Register
  • Sign In
Filters Reset
1 Filter
Price
  • Any
  • $ 100,000
  • $ 150,000
  • $ 200,000
  • $ 400,000
  • $ 800,000
  • Any
  • $ 200,000
  • $ 300,000
  • $ 400,000
  • $ 600,000
  • $ 1,000,000
Beds
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
Baths
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
Reset
1 Filter
1 Filter Applied

Price
  • Any
  • $ 100,000
  • $ 150,000
  • $ 200,000
  • $ 400,000
  • $ 800,000
  • Any
  • $ 200,000
  • $ 300,000
  • $ 400,000
  • $ 600,000
  • $ 1,000,000
Beds
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
Baths
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
Days On Site
Advanced
Less Than
Days
Unit Level
Unfin SqFt

SqFt
Switch to Acre
Sqft
Sqft
Lot Size
Switch to Acre
Sqft
Sqft
Price per Sqft
Monthly HOA Fee
Year Built
Stories
Acres
Full Bathrooms
Half Bathrooms
Frontage
Tax Amount
Land Lease Fee
Keyword
Assessed Value

Fireplace Number

Parking Space
Garage Space
Carport Spaces

Open House
Has Picture
New
Hot
Virtual Tour
3D Tour
Price Reduced
Save Search (2)
Save your search to get Alerts
8 Properties
Map

8 Properties Available In Castro Valley

  • Default
  • Price-High To Low
  • Price-Low To High
  • Newest Listings
  • Beds (Most)
  • Baths (Most)
  • Year Built (Newest)
  • Square Feet (Biggest)
CA >Castro Valley >
Market Insights
19100 Crest Ave #66, Castro Valley, CA 94546
Open Sat 2PM-4PM

$485,000

19100 Crest Ave #66, Castro Valley, CA 94546

2 Beds2 Baths1,328 SqFt

MLS# 41133005

Listed by Leslie Peterson of Evolve Real Estate

CRMLS Full IDX Feed (MAIN Website Search)
5389 San Simeon PL, Castro Valley, CA 94552
Open Sat 1PM-4PM

$899,998

5389 San Simeon PL, Castro Valley, CA 94552

3 Beds3 Baths1,640 SqFt

MLS# 41112710

Listed by Jonathan Minerick of HOMECOIN.COM

CRMLS Full IDX Feed (MAIN Website Search)
25806 Clear Springs Ct, Castro Valley, CA 94552-5528
New

$4,790

25806 Clear Springs Ct, Castro Valley, CA 94552-5528

3 Beds3 Baths2,092 SqFt

MLS# 41135475

Listed by Tracy Tang of Compass

CRMLS Full IDX Feed (MAIN Website Search)
19375 Parsons Ave, Castro Valley, CA 94546
Price Dropped by $162K

$988,000

19375 Parsons Ave, Castro Valley, CA 94546

3 Beds3 Baths1,469 SqFt

MLS# 41134650

Listed by Joshua Tasbihi of Joshua Tasbihi, Broker

CRMLS Full IDX Feed (MAIN Website Search)
21239 Gary #206, Castro Valley, CA 94546
Price Dropped by $21K

$499,000

21239 Gary #206, Castro Valley, CA 94546

2 Beds2 Baths1,393 SqFt

MLS# PW26101712

Listed by Kris Massaro of Circle Real Estate

CRMLS Full IDX Feed (MAIN Website Search)
18100 De Souza Pl, Castro Valley, CA 94546
Price Dropped by $100K

$1,899,000

18100 De Souza Pl, Castro Valley, CA 94546

4 Beds4 Baths3,400 SqFt

MLS# 41132606

Listed by Leah Tounger of KW Advisors East Bay

CRMLS Full IDX Feed (MAIN Website Search)
19100 Crest Ave #24, Castro Valley, CA 94546-9999
Price Dropped by $15K

$445,000

19100 Crest Ave #24, Castro Valley, CA 94546-9999

2 Beds1 Bath1,190 SqFt

MLS# 41129688

Listed by Lynn Levin of Berkshire Hathaway Home Services

CRMLS Full IDX Feed (MAIN Website Search)
26928 Palomares Rd, Castro Valley, CA 94552
Price Dropped by $100K

$1,790,000

26928 Palomares Rd, Castro Valley, CA 94552

3 Beds2 Baths1,944 SqFt

MLS# 41113706

Listed by Tom Chance of Legacy Real Estate & Assoc.

CRMLS Full IDX Feed (MAIN Website Search)
  • 1

explore listings in Castro Valley

  • Open House
  • Price Reduced
  • Virtual Tour
  • 3D Tour
site logo
GUIDE Real Estate
Karen Calagna | License ID: 01411811
1213 Vine St. Paso Robles, CA. 93446

+1(805) 674-4482

karencalagna@gmail.com

Get My App

The cooperating broker offer of compensation summaries herein are intended solely as preliminary expressions of possible outcomes. No such offer of compensation shall become binding, or create any legal obligation of any kind, unless and until a written Cooperative Broker Compensation Agreement has been fully executed and delivered by both brokers.

Website Design by Bullsai

IDX information is provided exclusively for consumers’ personal, non-commercial use and that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed to be accurate. Listing information updated daily.

Terms of Service & Privacy Policy | Cookie Policy | Cookie Preferences | Property Listings | Sitemap | Accessibility

Powered by Lofty Inc. Copyright 2026. All Rights Reserved.

Filters Reset
1 Filter
Price
  • Any
  • $ 100,000
  • $ 150,000
  • $ 200,000
  • $ 400,000
  • $ 800,000
  • Any
  • $ 200,000
  • $ 300,000
  • $ 400,000
  • $ 600,000
  • $ 1,000,000
Beds
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
Baths
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
Reset
1 Filter
1 Filter Applied

Price
  • Any
  • $ 100,000
  • $ 150,000
  • $ 200,000
  • $ 400,000
  • $ 800,000
  • Any
  • $ 200,000
  • $ 300,000
  • $ 400,000
  • $ 600,000
  • $ 1,000,000
Beds
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
Baths
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
  • Any
  • 1
  • 2
  • 3
  • 4
  • 5
Days On Site
Advanced
Less Than
Days
Unit Level
Unfin SqFt

SqFt
Switch to Acre
Sqft
Sqft
Lot Size
Switch to Acre
Sqft
Sqft
Price per Sqft
Monthly HOA Fee
Year Built
Stories
Acres
Full Bathrooms
Half Bathrooms
Frontage
Tax Amount
Land Lease Fee
Keyword
Assessed Value

Fireplace Number

Parking Space
Garage Space
Carport Spaces

Open House
Has Picture
New
Hot
Virtual Tour
3D Tour
Price Reduced
Save Search (2)
Save your search to get Alerts
8 Properties
Map

8 Properties Available In Castro Valley

  • Default
  • Baths (Most)
  • Beds (Most)
  • Newest Listings
  • Square Feet (Biggest)
  • Price-High To Low
  • Price-Low To High
CA >Castro Valley >
  • 19100 Crest Ave #66, Castro Valley, CA 94546
    2 Beds2 Baths1,328 SqFt
    1/48 48
    Open Sat 2PM-4PM

    $485,000

    19100 Crest Ave #66, Castro Valley, CA 94546

    MLS# 41133005

    Listed by Leslie Peterson of Evolve Real Estate

    CRMLS Full IDX Feed (MAIN Website Search)
  • 5389 San Simeon PL, Castro Valley, CA 94552
    3 Beds3 Baths1,640 SqFt
    1/26 26
    Open Sat 1PM-4PM

    $899,998

    5389 San Simeon PL, Castro Valley, CA 94552

    MLS# 41112710

    Listed by Jonathan Minerick of HOMECOIN.COM

    CRMLS Full IDX Feed (MAIN Website Search)
  • 25806 Clear Springs Ct, Castro Valley, CA 94552-5528
    3 Beds3 Baths2,092 SqFt
    1/27 27
    New

    $4,790

    25806 Clear Springs Ct, Castro Valley, CA 94552-5528

    MLS# 41135475

    Listed by Tracy Tang of Compass

    CRMLS Full IDX Feed (MAIN Website Search)
  • 19375 Parsons Ave, Castro Valley, CA 94546
    3 Beds3 Baths1,469 SqFt
    1/26 26
    Price Dropped by $162K

    $988,000

    19375 Parsons Ave, Castro Valley, CA 94546

    MLS# 41134650

    Listed by Joshua Tasbihi of Joshua Tasbihi, Broker

    CRMLS Full IDX Feed (MAIN Website Search)
  • 21239 Gary #206, Castro Valley, CA 94546
    2 Beds2 Baths1,393 SqFt
    1/37 37
    Price Dropped by $21K

    $499,000

    21239 Gary #206, Castro Valley, CA 94546

    MLS# PW26101712

    Listed by Kris Massaro of Circle Real Estate

    CRMLS Full IDX Feed (MAIN Website Search)
  • 18100 De Souza Pl, Castro Valley, CA 94546
    4 Beds4 Baths3,400 SqFt
    1/55 55
    Price Dropped by $100K

    $1,899,000

    18100 De Souza Pl, Castro Valley, CA 94546

    MLS# 41132606

    Listed by Leah Tounger of KW Advisors East Bay

    CRMLS Full IDX Feed (MAIN Website Search)
  • 19100 Crest Ave #24, Castro Valley, CA 94546-9999
    2 Beds1 Bath1,190 SqFt
    1/26 26
    Price Dropped by $15K

    $445,000

    19100 Crest Ave #24, Castro Valley, CA 94546-9999

    MLS# 41129688

    Listed by Lynn Levin of Berkshire Hathaway Home Services

    CRMLS Full IDX Feed (MAIN Website Search)
  • 26928 Palomares Rd, Castro Valley, CA 94552
    3 Beds2 Baths1,944 SqFt
    1/58 58
    Price Dropped by $100K

    $1,790,000

    26928 Palomares Rd, Castro Valley, CA 94552

    MLS# 41113706

    Listed by Tom Chance of Legacy Real Estate & Assoc.

    CRMLS Full IDX Feed (MAIN Website Search)
  • 1

explore listings in Castro Valley

  • Open House
  • Price Reduced
  • Virtual Tour
  • 3D Tour
site logo
GUIDE Real Estate
Karen Calagna | License ID: 01411811
1213 Vine St. Paso Robles, CA. 93446

+1(805) 674-4482

karencalagna@gmail.com

Get My App

The cooperating broker offer of compensation summaries herein are intended solely as preliminary expressions of possible outcomes. No such offer of compensation shall become binding, or create any legal obligation of any kind, unless and until a written Cooperative Broker Compensation Agreement has been fully executed and delivered by both brokers.

Website Design by Bullsai

IDX information is provided exclusively for consumers’ personal, non-commercial use and that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed to be accurate. Listing information updated daily.

Terms of Service & Privacy Policy | Cookie Policy | Cookie Preferences | Property Listings | Sitemap | Accessibility

Powered by Lofty Inc. Copyright 2026. All Rights Reserved.

site logo
GUIDE Real Estate
Karen Calagna | License ID: 01411811
1213 Vine St. Paso Robles, CA. 93446

+1(805) 674-4482

karencalagna@gmail.com

Get My App

The cooperating broker offer of compensation summaries herein are intended solely as preliminary expressions of possible outcomes. No such offer of compensation shall become binding, or create any legal obligation of any kind, unless and until a written Cooperative Broker Compensation Agreement has been fully executed and delivered by both brokers.

Website Design by Bullsai

IDX information is provided exclusively for consumers’ personal, non-commercial use and that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed to be accurate. Listing information updated daily.

Terms of Service & Privacy Policy | Cookie Policy | Cookie Preferences | Property Listings | Sitemap | Accessibility

Powered by Lofty Inc. Copyright 2026. All Rights Reserved.