Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$659,900 -$100,000 (-13.16%) Price Reduced

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 3 Full Baths
  • 2,488 Sq. Ft.
  • 0.3214 Acres
  • Updated 8 hours ago
See This Home
Save This Home
See This Home
Save This Home
Welcome to this exceptional 2,488 sq ft two-story coastal home on a corner lot built for comfort, safety, and entertaining. The upper level features three bedrooms, two baths, and a full kitchen with granite countertops, custom cabinetry, gas cooktop, built-in microwave and oven. The dine in kitchen w/island is open to the bright spacious living area. Step onto a patio equipped with ceiling fans to relax and view your heated pool and private paradise. The upper and lower patios both have propane gas supply outlets for your heaters and are also equipped with a rail/cable and curtain assembly to block out the cold winter winds for year-round enjoyment and or to protect your tropical plants. 40 newer double-pane, storm-rated windows come with hurricane rated screens which provide superior protection, and home security. The upper sliding glass door is protected by a metal roll-down hurricane storm door. You can access the upper floor via elevator and or stairs. The lower level offers its own private entrance, a full kitchen, laundry, bath, and a large bedroom. It can be used as an Airbnb suite or as guest quarters while entertaining friends and family. Two separate A/C systems, instant propane water heaters, and a 500-gallon underground propane tank ensure year-round comfort. Additional highlights include a backup propane generator, Windstorm-rated metal roof, Hardi Plank siding over cypress with 2 inch overlap, and 10x10 structural piers for superior stability. There is also a 30 amp RV Hookup with city approved easement use and septic connection. Enjoy resort-style living with an in-ground heated pool, tiki hut with gas grill, bar, ice maker, outdoor shower, firepit, she shed, and a 30x28 steel workshop with three roll-up doors. Fully fenced yard with gated entry, public water/sewer plus private well for irrigation and pool. This rare, exceptionally built home offers durability, flexibility, and endless entertainment possibilities-don't miss this coastal gem!

Full Property Details for 509 Monroe Ave

General

  • Price: $659,900
  • Status: Active
  • Type: Single Family
  • Source: Central_Texas_MLS
  • MLS ID: 595890
  • Updated: 1/17/2026
  • Added to Site: 88 day(s) ago

Interior

  • Interior Features: Breakfast Bar, Bookcases, Built-in Features, Ceiling Fan(s), Elevator, High Ceilings, Recessed Lighting, Shower Only, Separate Shower, Tub Shower, Upper Level Primary, Vanity, Vaulted Ceiling(s), Wired for Sound, Breakfast Area, Custom Cabinets, Eat-in Kitchen, Granite Counters, Instant Hot Water, Kitchen Island, Kitchen/Dining Combo
  • Fireplace(s): None
  • Appliances: Dishwasher, Gas Cooktop, Disposal, Gas Range, Oven, Propane Water Heater, Range Hood, Tankless Water Heater, Vented Exhaust Fan, Washer, Some Gas Appliances, Built-In Oven, Microwave, Range, Water Softener Owned
  • Flooring: Laminate

Rooms

Bathrooms

  • Total Bathrooms: 3
  • Full Bathrooms: 3

Bedrooms

  • Total Bedrooms: 4

Other Rooms

  • Laundry: Gas Dryer Hookup, Inside, Lower Level, Laundry Room

Additional Information

  • Pool: Yes
  • Private Pool: Yes
  • Pool Description: Gunite, Electric Heat, Heated, In Ground, Private
  • Security/Safety: Smoke Detector(s)

Exterior

  • Exterior Features: Balcony, Deck, Elevator, Fire Pit, Outdoor Grill, Outdoor Shower, Propane Tank - Owned
  • Porch/Patio/Deck: Balcony, Deck

Parking

  • Carports: Yes
  • Carport Spaces: 3
  • Parking Features: Attached Carport, Carport, Oversized, RV Access/Parking

Location

  • County: Calhoun
  • Subdivision: Port Oconnor
  • Driving Directions: From Port Lavaca, Hwy 35 to Virginia, turn onto Virginia heading east, turn Right on Austin st, which becomes hwy 238, turn R on Hwy 238 at flashing light for 1 mile, turn L onto 1289 and continue south for 11 miles. At the stop sign turn L onto TX 185 for 7.7 miles, turn Left onto 5th street go .2 miles to Monroe and turn Left, House will be on the next corner on the left across from the school.

School Information

  • Elem School District: Calhoun County ISD
  • Midd School District: Calhoun County ISD
  • High School District: Calhoun County ISD

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air, Electric, 2 Units
  • Heating Type: Central, Electric, Propane, Multiple Heating Units

Utilities

  • Sewer: Public Sewer
  • Water: Private, Public, Well
  • Well: Yes
  • Utility Description: Electricity Available, Propane, Trash Collection Public, Water Available

Structural Information

  • Architectural Style: Split Level
  • Construction: HardiPlank Type
  • Roof: Metal
  • Windows: Double Pane Windows, Storm Window(s)
  • Stories/Levels: 2
  • Square Feet: 2,488
  • Sq. Ft. Source: Appraiser
  • Living Area: 2,488 Sq. Ft.
  • Year Built: 1986
  • Year Built Source: Assessor
  • Property Condition: Resale
  • Other Struct. Feat.: Elevator(s)

Additional Structures

  • Other Structures: Cabana, Workshop

Lot Features

  • Lot Size (Acres): 0.3214
  • Fencing (Description): Back Yard, Chain Link, Full, Gate, Picket, Privacy

Green Features

  • Energy Efficient: Solar Screens

Financial Considerations

  • Terms: Cash, Conventional, FHA, VA Loan

Disclosures and Reports

  • Legal Description: PORT OCONNOR, BLOCK 124, LOT 7, 8
  • Property ID: 30904
  • Block: 124
  • Lot Number: 7

Listed by The Ron Brown Company

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Or call us at (800) 531-7667

Listing agent

— 509 Monroe Ave —

  • The Ron Brown Company

713-480-4019

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 509 Monroe Ave

School District:Calhoun County Independent School District
NameGradesDistance
Port O Connor Elementary School
508 Monroe Street, Port O'Connor, TX 77982
PK-50.1 mi
Travis Middle School, Port Lavaca, TX
705 North Nueces Street, Port Lavaca, TX 77979
6-817.9 mi
Calhoun High School
201 Sandcrab Boulevard, Port Lavaca, TX 77979
9-1218.4 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 509 Monroe Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
1/17/2026
Price Reduced
$659,900
-13.16%
MLS
10/21/2025
Listed
$759,900
—
MLS
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 509 Monroe Ave

Year
Property Taxes
Change
Tax Assessment
Change
2025
$2,894
-23%
$487,140
2%
2022
$3,740
—
$477,300
17%
2022
$3,740
—
$409,020
26%
2022
$3,740
-11%
$324,690
2%
2021
$4,191
—
$318,200
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 509 Monroe Ave

$
Down Payment
%
$
%

$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by The Ron Brown Company

Similar Properties near 509 Monroe Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

72 Cir Hook, Port O'Connor, TX 77982 - Photo 1
$675,000

72 Cir Hook  Port O'Connor, TX 77982

  • Single Family
  • Active
  • 4
    Beds
  • 4
    Total Baths
82 Cir Hook, Port O'Connor, TX 77982 - Photo 1
$639,000

82 Cir Hook  Port O'Connor, TX 77982

  • Single Family
  • Active
  • 3
    Beds
  • 3
    Total Baths
1 Marina Del Mar, Port O'Connor, TX 77982 - Photo 1
$650,000

1 Marina Del Mar  Port O'Connor, TX 77982

  • Single Family
  • Active
  • 3
    Beds
  • 3
    Total Baths
Listed by Tigrett Real Estate

Just Listed near 509 Monroe Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

327 W Main St, Port Lavaca, TX 77979 - Photo 1 Just Listed
$148,500

327 W Main St  Port Lavaca, TX 77979

  • Single Family
  • Active
  • Updated 1 day ago
  • 1
    Bed
  • 1
    Total Bath
Listed by Russell Cain Real Estate
9 Lee St, Port Lavaca, TX 77979 - Photo 1 Just Listed
$350,000

9 Lee St  Port Lavaca, TX 77979

  • Single Family
  • Active
  • Updated 5 days ago
  • 2
    Beds
  • 2
    Total Baths
Listed by Russell Cain Real Estate
535 Travis St, Port Lavaca, TX 77979 - Photo 1 Just Listed
$199,900

535 Travis St  Port Lavaca, TX 77979

  • Single Family
  • Active
  • Updated 6 hours ago
  • 3
    Beds
  • 2
    Total Baths
Listed by RE/MAX Land & Homes on the Bay
2641 Cr 312, Port Lavaca, TX 77979 - Photo 1 Just Listed
$175,000

2641 Cr 312  Port Lavaca, TX 77979

  • Single Family
  • Active
  • Updated 4 days ago
  • 1
    Bed
  • 2
    Total Baths
Listed by Texas Coastal Properties

Price Reduced near 509 Monroe Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

38 Chumley, Port Lavaca, TX 77979 - Photo 1 Price Reduced
-$20,000 (-7.41%)
$249,900

38 Chumley  Port Lavaca, TX 77979

  • Single Family
  • Active
  • Updated 4 days ago
  • 4
    Beds
  • 3
    Total Baths
Listed by RE/MAX Land & Homes
213 S Ocean Dr, Port Lavaca, TX 77979 - Photo 1 Price Reduced
-$10,000 (-3.85%)
$249,900

213 S Ocean Dr  Port Lavaca, TX 77979

  • Single Family
  • Active
  • Updated 6 hours ago
  • 2
    Beds
  • 1
    Total Bath
Listed by RE/MAX Land & Homes on the Bay
1106 Brookhollow Dr, Port Lavaca, TX 77979 - Photo 1 Price Reduced
-$11,600 (-4.02%)
$276,900
Open House

1106 Brookhollow Dr  Port Lavaca, TX 77979

  • Single Family
  • Active
  • Updated 3 days ago
  • 4
    Beds
  • 2
    Total Baths
Listed by RE/MAX Land & Homes on the Bay
716 Brookhollow Dr, Port Lavaca, TX 77979 - Photo 1 Price Reduced
-$5,000 (-1.92%)
$255,000
Open House

716 Brookhollow Dr  Port Lavaca, TX 77979

  • Single Family
  • Active
  • Updated 2 days ago
  • 4
    Beds
  • 2
    Total Baths
Listed by RE/MAX Land & Homes on the Bay

509 Monroe Avenue, Port O'Connor, TX 77982 (MLS# 595890) is a Single Family property with 4 bedrooms and 3 full bathrooms. 509 Monroe Avenue is currently listed for $659,900 and was received on October 21, 2025. Want to learn more about 509 Monroe Avenue? Do you have questions about finding other Single Family real estate for sale in Port O'Connor? You can browse all Port O'Connor real estate or contact a Coldwell Banker agent to request more information.

Tour this property