509 Monroe Avenue, Port O’Connor, Calhoun, Residential, 4, 3

$ 650,000
509 Monroe Avenue, Port O'Connor, Port Oconnor

Overview

  • Updated On:
  • July 8, 2026
  • 4 Bedrooms
  • 3 Bathrooms
  • 2,488 ft2

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 10×10 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 30×28 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!

Address: 509 Monroe Avenue
State/County:
Zip: 77982
Country: United States

Property Id: 1153187
Price: $ 650,000
Property Size: 2,488 ft2
Property Lot Size: 0 ft2
Bedrooms: 4
Bathrooms: 3
ActivationDate: 2025-10-21
BathroomsFull: 3
ConstructionMaterials: HardiPlank Type
ContractStatusChangeDate: 2025-10-21
Cooling: Central Air, Electric, 2 Units
CumulativeDaysOnMarket: 208
DaysOnMarket: 208
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.
Disclosures: Homestead Exemption
ElementarySchoolDistrict: Calhoun County ISD
Fencing: Back Yard, Chain Link, Full, Gate, Picket, Privacy
Flooring: Laminate
FoundationDetails: Slab
GreenEnergyEfficient: Solar Screens
Heating: Central, Electric, Propane, Multiple Heating Units
HighSchoolDistrict: Calhoun County ISD
InternetAddressDisplayYN: 1
Levels: Two, Multi/Split
ListAgentAOR: Williamson County Association of REALTORS
ListAgentDirectPhone: 713-480-4019
ListAgentEmail: soltermack@gmail.com
ListAgentFirstName: Gilbert
ListAgentFullName: Gilbert Soltermack
ListAgentKey: 25883933
ListAgentLastName: Soltermack
ListAgentMlsId: W0718273
ListAgentOfficePhone: 361-575-1446
ListAgentPreferredPhone: 713-480-4019
ListAgentStateLicense: 0718273
ListOfficeAOR: Williamson County Association of REALTORS
ListOfficeEmail: info@RonBrown.com
ListOfficeKey: 5842890
ListOfficeMlsId: W829000004
ListOfficeName: The Ron Brown Company
ListOfficePhone: 361-575-1446
ListingAgreement: Exclusive Right To Sell
ListingContractDate: 2025-10-21
MLS ID: 595890
ListingTerms: Cash, Conventional, FHA, VA Loan
LivingAreaSource: Appraiser
LotSizeArea: 0.3214
MiddleOrJuniorSchoolDistrict: Calhoun County ISD
MlsStatus: Active
Last Modified: July 7, 2026 at 09:42pm
OnMarketDate: 2025-10-21
OriginalListPrice: 759900
OriginatingSystemKey: 56893380
OriginatingSystemName: CTEXAS
OtherStructures: Cabana, Workshop
PatioAndPorchFeatures: Balcony, Deck
PhotosCount: 46
PostalCode: 77982
PreviousListPrice: 625000
PriceChangeTimestamp: July 7, 2026 at 04:41pm
PropertyCondition: Resale
Roof: Metal
SecurityFeatures: Smoke Detector(s)
Sewer: Public Sewer
StateOrProvince: TX
StatusChangeTimestamp: June 12, 2026 at 02:05pm
Stories: 2
StreetName: Monroe
StreetNumber: 509
StreetNumberNumeric: 509
StreetSuffix: Avenue
TaxBlock: 124
TaxLegalDescription: PORT OCONNOR, BLOCK 124, LOT 7, 8
TaxLot: 7
Utilities: Electricity Available, Propane, Trash Collection Public, Water Available
WaterSource: Private, Public, Well
WindowFeatures: Double Pane Windows, Storm Window(s)
YearBuilt: 1986
YearBuiltSource: Assessor

Other Features
1
Balcony
Bookcases
Breakfast Area
Breakfast Bar
Built-in Features
Built-In Oven
Ceiling Fan(s)
Custom Cabinets
Deck
Dishwasher
Disposal
Eat-in Kitchen
Elevator
Fire Pit
Gas Cooktop
Gas Dryer Hookup, Inside, Lower Level, Laundry Room
Gas Range
Granite Counters
Has Carport
Has Cooling System
Has Heating System
Has Pool
High Ceilings
Instant Hot Water
Kitchen Island
Kitchen/Dining Combo
Microwave
Outdoor Grill
Outdoor Shower
Oven
Propane Tank - Owned
Propane Water Heater
Range
Range Hood
Recessed Lighting
Separate Shower
Shower Only
Some Gas Appliances
Tankless Water Heater
Tub Shower
Upper Level Primary
Vanity
Vaulted Ceiling(s)
Vented Exhaust Fan
Washer
Water Softener Owned
Wired for Sound

$ 3,332.68
per month
  • Principal and Interest
  • Property Tax
  • HOA fee
$ 2,520.18

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Heidi Brautigan