Realty.com
Buy

Start here

  • Homes for sale by state
  • Home buying tips
  • Before you start looking
  • The buying timeline

Afford it

  • Today's mortgage rates
  • Mortgage calculator
  • How much can I afford?
  • Get pre-approved

Make the deal

  • Writing a winning offer
  • Inspections & appraisals
  • Closing costs, itemized
  • Find a buyer's agent
Sell

Selling Options

  • What's my home worth?
  • Compare selling options
  • Get an instant cash offer
  • Buy before you sell

Resources

  • How selling works
  • When should I sell?
  • Home selling tips
  • Pricing your home
  • What's worth fixing first
  • Find a seller's agent
Home Loans
Find an Agent
Save searchAdvertiseSign In
Saved homesSaved searchesYour toursYour inquiriesRecently viewedAccount settings

Save search

Map layers

Safety

Safety & registry resources

Review official public-safety information for any area from these government sources:

  • U.S. Dept. of Justice National Sex Offender Public Website (NSOPW)
  • FBI: state sex-offender registry directory
Homes Under $300K in Castroville, TX
Realty.com
Buy

Start here

  • Homes for sale by state
  • Home buying tips
  • Before you start looking
  • The buying timeline

Afford it

  • Today's mortgage rates
  • Mortgage calculator
  • How much can I afford?
  • Get pre-approved

Make the deal

  • Writing a winning offer
  • Inspections & appraisals
  • Closing costs, itemized
  • Find a buyer's agent
Save searchAdvertiseSign In
Saved homesSaved searchesYour toursYour inquiriesRecently viewedAccount settings
  • Rentals
  • Commercial

12 listings
Sell

Selling Options

  • What's my home worth?
  • Compare selling options
  • Get an instant cash offer
  • Buy before you sell

Resources

  • How selling works
  • When should I sell?
  • Home selling tips
  • Pricing your home
  • What's worth fixing first
  • Find a seller's agent
Home Loans
Find an Agent
Save search
3 beds

Homes Under $300K in Castroville, TX

Homes Under $300K in Castroville, TX

Hide Map
12 Listings
Map

Homes Under $300K in Castroville, TX

12 Listings

Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #721428

Call Thomas
  1. 157 County Road 5635 — photoPrice Reduced28Active

    $279,900

    4 bd · 2 ba · 2,128 sqft

    157 County Road 5635, Castroville, TX

    Jose Buentello · The Agency San Antonio

  2. 264 County Road 5633 — photo27Active

    $264,500

    4 bd · 3 ba · 2,240 sqft

    264 County Road 5633, Castroville, TX

    Issac McKee · Galm Real Estate, LLC

  3. 9730 County Road 5723 — photo47Active

    $248,000

    2 bd · 1 ba · 640 sqft

    9730 County Road 5723, Castroville, TX

    Francis Haby · Haby Realty

  4. 102 County Road 479 — photoPrice Reduced35Active

    $260,000

    4 bd · 2 ba · 1,664 sqft

    102 County Road 479, Castroville, TX

    Kendyll Velasquez · eXp Realty

  5. 2106 Geneva Street — photoPrice ReducedOpen house Sat, Oct 17 · 9:00 AM21Active

    $280,000

    4 bd · 2 ba · 1,573 sqft

    2106 Geneva Street, Castroville, TX

    Amber Broadway · Opendoor Brokerage, LLC

  6. 18525 County Road 5722 — photoPrice Reduced24Active

    $160,000

    3 bd · 2 ba · 1,404 sqft

    18525 County Road 5722, Castroville, TX

    Joshua Boykin · REsource Realty

  7. 176 County Road 5633 — photoPrice Reduced36Active

    $184,999

    3 bd · 2 ba · 1,680 sqft

    176 County Road 5633, Castroville, TX

    Jaime Cuevas · Real Broker, LLC

  8. 903 CR 561 — photo10Active

    $250,000

    3 bd · 2 ba · 1,553 sqft

    903 CR 561, Castroville, TX

    Eddie Lozano · Premier Realty Group Platinum

  9. 1714 W Constantinople — photo27Active

    $150,000

    3 bd · 2 ba · 1,456 sqft

    1714 W Constantinople, Castroville, TX

    Gianmarcos Villafane · Real Broker, LLC

  10. 913 Houston — photoPrice Reduced9Active

    $137,999

    1 bd · 1 ba · 540 sqft

    913 Houston, Castroville, TX

    Ruben Prieto · Jason Mitchell Real Estate Tex

  11. 313 County Road 468 — photo17Active

    $199,000

    3 bd · 1 ba · 2,202 sqft

    313 County Road 468, Castroville, TX

    Henry Pena · Kingsland Properties

  12. 374 County Road 574 — photoPrice Reduced28Active

    $170,000

    3 bd · 2 ba · 924 sqft

    374 County Road 574, Castroville, TX

    Alexandro Longoria · Real Broker, LLC

Explore Castroville homes

By price

  • Homes Under $500K
  • Homes Under $600K
  • Homes Under $700K

By bedrooms

  • 3 Bedroom Homes
  • 4 Bedroom Homes
Texas Real Estate Commission: Information About Brokerage Services · Consumer Protection Notice
Realty.com

L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

Equal Housing OpportunityEqual Housing Lender

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

© 2026 Realty.com. All rights reserved.·Privacy·Terms·California Privacy Rights·Accessibility·Licensing

Listing data & MLS disclosures

San Antonio Board of REALTORS
Information provided Courtesy of San Antonio Board of Realtors. IDX information is provided exclusively for consumers'personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is believed to be accurate but not guaranteed. Provided courtesy of the San Antonio Board of Realtors. Copyright 2026 San Antonio Board of Realtors, All Rights Reserved. Data last updated: 2026-10-16 05:42:02 UTC
  • Your local brokerage

    TO

    Thomas O'Leary

    Realty.com

    Lic. #721428

    Call Thomas

    Castroville, TX community profile

    Population
    3,214
    Median income
    $79,975
    Housing units
    1,321
    People per sq. mi.
    45.5
    Area
    70.6 sq. mi.

    Source: HJN community data

    Castroville housing market

    September 2026 · This period is still settling

    Price trend · Assessor repeat sales, as of Sep 30, 2026

    Year-over-year
    -11.6%

    Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

    Median home size
    2,010 sq. ft.