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509 Monroe Avenue, Port O'Connor, TX 77982

Port Oconnor · Calhoun County

Key Facts

4Beds
3Baths
2,488Sq Ft
1986Year Built
0.32Lot (acres)

Description

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!

Property Information

Property Type

Residential

Sub-Type

Single Family Residence

Style

SplitLevel

Year Built

1986

Living Area

2,488 sq ft

Lot Size

0.32 acres

Days on Market

208

MLS® Listing#

595890

Property Features

Interior

ElevatorBreakfast BarBookcasesBuilt-in FeaturesCeiling Fan(s)High CeilingsRecessed LightingVaulted Ceiling(s)Wired for SoundEat-in KitchenGranite CountersKitchen Island

Exterior

BalconyFire PitOutdoor GrillOutdoor Shower

Appliances

DishwasherGas CooktopDisposalGas RangeOvenRange HoodTankless Water HeaterVented Exhaust FanWasherMicrowaveRangeWater Softener Owned

Cooling

Ceiling Fan(s)Central AirElectric

Heating

CentralElectricPropane

Flooring

Laminate

Fireplace

None

Pool

GuniteElectric HeatHeatedIn GroundPrivate

Parking

Attached CarportCarportOversizedRV Access/Parking

Laundry

Gas Dryer HookupInsideLower LevelLaundry Room

Patio

Deck

Fencing

Back YardChain LinkFullGatePrivacy

Lot Features

Corner LotCity Lot

Construction

HardiPlank Type

Foundation

Slab

Roof

Metal

Windows

Double Pane WindowsStorm Window(s)

Security

Smoke Detector(s)

Other Structures

CabanaWorkshop

Community

None

Utilities

Electricity AvailablePropaneWater Available

Sewer

Public Sewer

Water Source

PrivatePublicWell

Financial Details

HOA

None

Annual Taxes

$3,200

Tax year 2025

Parcel Number

30904

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.

Affordability Calculator

$130,000

Estimated monthly payment

$3,460/mo

Principal $520,000 · Est. interest $725,446 over 30 yrs

Neighborhood Market Statistics

How this home compares to active listings in Port O'Connor, TX

$381,699
Median Listing Price
127
Median Days on Market
1,636
Median Sq Ft
$257
Median Price / Sq Ft
434
Active Listings
  • This home’s price is 70% above the area median.
  • Its price per sq ft is 2% above the area median.

Market statistics compiled from active EXIT Realty® and MLS listings in Port O'Connor, TX.

Location

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EXIT Agents in Port O'Connor

Listing Courtesy: The Ron Brown Company - 713-480-4019

Information is provided exclusively for consumers personal, non - commerical use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Copyright 2026, Central Texas Board of REALTORS

The data relating to real estate for sale on this web site comes in part from the Internet Data Exchange (IDX) program of one or more Multiple Listing Services (MLS). Listing information is deemed reliable but is not guaranteed accurate. Copyright © EXIT Realty® and respective MLS providers.

Data provided by WilliamsonCountyAssociationOfRealtors. MLS® Listing#595890. © 2026EXIT Realty®. All rights reserved.