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155 Gassman Rd, Castle Rock, WA 98611

Castle Rock
Local realty services provided by:CENTURY 21 Agate Realty
155 Gassman Rd,Castlerock, WA 98611
$888,000
  • 4 Beds
  • 2 Baths
  • 2,137 sq. ft.
  • Single family
  • Active
Listed by: matthew morris
Office: matt morris real estate360-773-7333
MLS#:215597680
Source:PORTLAND

Price summary

  • Price:$888,000
  • Price per sq. ft.:$415.54
  • Monthly HOA dues:$15

About this home

Rare 40-ft RV garage plus tandem 3-car parking, single-story living, and a bright open layout with premium finishes throughout.Enjoy elevated single-story living on a spacious ½-acre lot offering exceptional flexibility—room for RVs, boats, hobbies, a shop, ADU, pets, or gardening. This 2,137 sq ft custom home blends comfort, style, and long-term ease with a wide, open layout and oversized wood-wrapped windows that fill the great room with natural light. Energy-efficient heat-pump systems, city water, and a standard septic help keep monthly costs low and predictable.A standout feature is the 40-foot deep RV garage, perfect for motorhomes, trailers, boats, or workshop space. Paired with a tandem 3-car garage, this home offers unmatched parking, storage, and hobby flexibility rarely found in new construction.Designed for versatility, the home offers 4 bedrooms or 3 bedrooms plus an office, along with 2 bathrooms including a beautifully tiled walk-in shower and a relaxing soaking tub in...

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Home facts

  • Year built:2025
  • Listing ID #:215597680
  • Added:336 day(s) ago
  • Updated:June 16, 2026 at 11:24 AM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:2
  • Full bathrooms:2
  • Bathrooms Description:Soaking Tub
  • Kitchen Description:Built In Oven, Convection Oven, Cooktop, Dishwasher, Double Oven, ENERGY STAR Qualified Appliances, Free Standing Refrigerator, Island, Microwave, Pantry, Plumbed For Icemaker, Quartz, Range Hood, Stainless Steel Appliance
  • Basement Description:Crawl Space
  • 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
  • Lot Features:Cleared, Corner Lot, Level, Public Road
  • Architectural Style:1 Story
  • Exterior Features:Covered Patio, Patio, Porch, Public Road, RV Boat Storage, RV Hookup, RV Parking, Workshop
  • Foundation Description:Concrete Perimeter
  • Levels:1 Story

Schools

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

Utilities

  • Water:Public Water
  • Sewer:Standard Septic

Finances and disclosures

  • Price:$888,000
  • Price per sq. ft.:$415.54
  • Tax amount:$846 (2025)

Features and amenities

  • Amenities:Double Pane Window(s), Garage Door Opener, Hardwood Floors, High Ceilings, High Speed Internet, Laundry, Vinyl Floors, Vinyl Frame Windows, Wall To Wall Carpet

Parking

  • Total parking spaces:5
  • Parking description:Driveway, RV Access Parking
  • Garage spaces:5
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: June 16, 2026 PORTLAND Member Broker: Rebecca Watwood PC

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