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155 Gassman Rd, Castle Rock, WA 98611

Local realty services provided by:CENTURY 21 Agate Realty
155 Gassman Rd,Castlerock, WA 98611
$899,000
  • 4 Beds
  • 2 Baths
  • 2,137 sq. ft.
  • Single family
  • Active
Listed by: matthew morris
Office: matt morris real estate
MLS#:215597680
Source:PORTLAND

Price summary

  • Price:$899,000
  • Price per sq. ft.:$420.68
  • Monthly HOA dues:$15

About this home

Set on a generous ½-acre lot, this property offers the perfect blend of versatility, privacy, and opportunity. Whether you envision additional parking, a garden retreat, or future outbuildings, there’s room to grow—all with the peace and space you deserve. Here, you can design a custom luxury home tailored to your lifestyle, complete with secure storage for your 41’ RV or boat. Located in one of the area’s most desirable subdivisions, the neighborhood combines modern conveniences with natural beauty, featuring tranquil forest views, paved streets, sidewalks, streetlights, city water, and a standard septic system.The exterior makes an immediate statement with a 12’ wide by 14’ tall garage door, providing effortless access for oversized vehicles. A sprawling 630 sq. ft. covered patio expands your living space outdoors—ideal for year-round entertaining, quiet evenings, or al fresco dining. Inside, the home is crafted to feel open, light-filled, and refined, with soaring 9’ ceilings (with

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Home facts

  • Year built:2025
  • Listing ID #:215597680
  • Added:197 day(s) ago
  • Updated:January 28, 2026 at 12:18 PM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:2
  • Full bathrooms:2
  • Living area:2,137 sq. ft.

Heating and cooling

  • Cooling:Heat Pump
  • Heating:Heat Pump

Structure and exterior

  • Roof:Composition
  • Year built:2025
  • Building area:2,137 sq. ft.
  • Lot area:0.5 Acres

Schools

  • High school:Castle Rock
  • Middle school:Castle Rock
  • Elementary school:Castle Rock

Utilities

  • Water:Public Water
  • Sewer:Standard Septic

Finances and disclosures

  • Price:$899,000
  • Price per sq. ft.:$420.68
  • Tax amount:$805 (2024)
MLS LogoAll information provided is deemed reliable but is not guaranteed and should be independently verified. The content relating to real estate for sale on this web site comes in part from the IDX program of the RMLS of Portland Oregon. Real estate listings held by brokerage firms other than CENTURY 21 Agate Realty are marked with the RMLS logo and detailed information about these properties includes the names of the listing brokers. Copyright 2026 RMLS, Portland, Oregon. Last updated: January 28, 2026

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