420 Warren Street, Mount Vernon, WA, 98273
About This Home
Incredible Triplex Potential on Mount Vernon Hill!Unlock massive upside on an excellent corner lot in a highly desirable neighborhood. Perfect for investors or ambitious buyers looking to build substantial equity, this versatile property is primed for an effortless multi-family triplex conversion.The main level’s south side features a 1-bedroom setup with its own bathroom and a kitchen area ready for your finishing touches. The other half of the main floor hosts an additional full bath, while the upstairs level boasts four more bedrooms and another full bathroom. Add stairs to the upper level to complete a lucrative three-unit layout, or restore the entire space into a grand single-family estate.Cherished by the same owner for 21 years, the property features elegant French doors leading to a beautiful, cozy backyard. Selling as-is with low-maintenance leaf guard gutters!
Getting Around
Very Walkable
Very Limited Transit
BikeableSchools
Construction
Condition
- Year built: 1922
Materials
- Foundation: Poured Concrete
- Roof: Composition
- Construction materials: Wood Products
Type & Style
- Home type: SingleFamily
- Architectural style: 1 1/2 Story
- Property subType: Single Family Residence
Interior
Appliances
- Appliances included: Refrigerator,Stove(s)/Range(s),Refrigerator(s)
Basement
- Basement: None
Bathroom Full
- Level: Second
Bathroom Full
- Level: Main
Bathroom Full
- Level: Main
Bedroom
- Level: Second
Bedroom
- Level: Second
Bedroom
- Level: Second
Bedroom
- Level: Second
Bedrooms & Bathrooms
- Bedrooms: 5
- Bathrooms: 3
- Full bathrooms: 3
- Main level bathrooms: 2
- Main level bedrooms: 1
Dining Room
- Level: Main
Entry Hall
- Level: Main
Features
- Ceiling Fan(s),Dining Room
- Door features: French Doors
- Window features: Dbl Pane/Storm Window
- Flooring: Hardwood,Vinyl
Heating & Cooling
- Heating features: Forced Air,Wall Furnace,Electric,Natural Gas
- Cooling features: None
Interior Area
- Total structure area: 2,231
- Total interior livable area: 2,231 sqft
Kitchen With Eating Space
- Level: Main
Living Room
- Level: Main
Master Bedroom
- Level: Main
Utility Room
- Level: Main
Property
Details
- Parcel number: P54683
- Special condition: Standard
Features
- Levels: One and One Half
- Stories: 1
- Entry location: Main
- Patio & porch: Ceiling Fan(s),Dbl Pane/Storm Window,Dining Room,French Doors
- Has view: Yes
- View description: Mountain(s),Territorial
- Residential vegetation: Fruit Trees,Garden Space
Lot
- Lot size: 6,098 sqft
- Features: Corner Lot,Paved,Sidewalk,Deck,Fenced-Fully,Gas Available,High Speed Internet
Parking
- Total spaces: 1
- Parking features: Detached Carport
- Covered spaces: 1
- Carport: Yes
- Carport spaces: 1
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Earthquake
- Ice Storm
- Volcanic Activity
- Inland Flooding
- Winter Weather
How This Home’s Risks Compare
FEMA Declared Disasters in Skagit County and Washington
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $2,654 | $31,848 |
| Home Insurance * | $110 | $1,320 |
| Property Taxes | $457 | $5,484 |
| Electricity | $152 | $1,831 |
| Total | $3,373 | $40,476 |
Income You'd Need if You Spent...
Washington FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-07-30 | Price change | $525,000 |
| 2026-07-17 | Listed for sale | $550,000 |
| 2026-07-09 | Pending sale | $550,000 |
| 2026-07-09 | Listed for sale | $550,000 |
| 2005-01-21 | Sold | $199,000 |
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