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

$ 659,900
509 Monroe Avenue, Port O'Connor, Port Oconnor

Overview

  • Updated On:
  • March 28, 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: 301713
Price: $ 659,900
Property Size: 2,488 ft2
Property Lot Size: 0 ft2
Bedrooms: 4
Bathrooms: 3
ActivationDate: 2025-10-21
BathroomsFull: 3
ConstructionMaterials: HardiplankType
ContractStatusChangeDate: 2025-10-21
Cooling: CentralAir, Electric, TwoUnits
CumulativeDaysOnMarket: 130
DaysOnMarket: 130
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.
ElementarySchoolDistrict: Calhoun County ISD
Fencing: BackYard, ChainLink, Full, Gate, Picket, Privacy
Flooring: Laminate
FoundationDetails: Slab
GreenEnergyEfficient: SolarScreens
Heating: Central, Electric, Propane, MultipleHeatingUnits
HighSchoolDistrict: Calhoun County ISD
InternetAddressDisplayYN: 1
Levels: Two, MultiSplit
ListAgentAOR: WilliamsonCountyAssociationOfRealtors
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: WilliamsonCountyAssociationOfRealtors
ListOfficeEmail: info@RonBrown.com
ListOfficeKey: 5842890
ListOfficeMlsId: W829000004
ListOfficeName: The Ron Brown Company
ListOfficePhone: 361-575-1446
ListingAgreement: ExclusiveRightToSell
ListingContractDate: 2025-10-21
MLS ID: 595890
ListingTerms: Cash, Conventional, FHA, VaLoan
LivingAreaSource: Appraiser
LotSizeArea: 0.3214
MiddleOrJuniorSchoolDistrict: Calhoun County ISD
MlsStatus: Active
Last Modified: March 21, 2026 at 05:34pm
OnMarketDate: 2025-10-21
OriginalListPrice: 759900
OriginatingSystemKey: 56893380
OriginatingSystemName: CTEXAS
OtherStructures: Cabana, Workshop
PatioAndPorchFeatures: Balcony, Deck
PhotosCount: 46
PreviousListPrice: 759900
PriceChangeTimestamp: January 17, 2026 at 11:57am
PropertyCondition: Resale
Roof: Metal
SecurityFeatures: SmokeDetectors
Sewer: PublicSewer
StateOrProvince: TX
StatusChangeTimestamp: December 4, 2025 at 01:49am
Stories: 2
StreetName: Monroe
StreetNumber: 509
StreetNumberNumeric: 509
StreetSuffix: Avenue
TaxBlock: 124
TaxLegalDescription: PORT OCONNOR, BLOCK 124, LOT 7, 8
TaxLot: 7
Utilities: ElectricityAvailable, Propane, TrashCollectionPublic, WaterAvailable
WaterSource: Private, Public, Well
WindowFeatures: DoublePaneWindows, StormWindows
YearBuilt: 1986
YearBuiltSource: Assessor

$ 3,383.44
per month
  • Principal and Interest
  • Property Tax
  • HOA fee
$ 2,558.56

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