New construction

403 S 20th Street, Mount Vernon, WA 98274

Mount Vernon, WA 98274 · Mount Vernon
— bd— ba— sqft0.51 ac lotBuilt 0Multi-family
$649,000 — / sqft · Cumulative Days Active: 30 Estimate your monthly payment ↓
Multi-family, Mount Vernon Listing by Coldwell Banker Bain 1 / 4
Price / sqft—
Lot0.51 acres
Year built—
TypeMulti-family
HOANone
Cumulative Days Active30

About this home

Permit-ready 3-story, 15-unit apartment building located in south Mount Vernon. This property offers easy access to I-5, nearby parks, schools, shopping, restaurants, and Skagit Valley Hospital, and downtown Mount Vernon. Enjoy quick access to Kiwanis Park and outdoor recreation, while the Skagit Riverwalk and historic downtown are just a short drive away. It's a convenient location for commuters heading north toward Burlington and Bellingham or south toward Seattle. Designed by Haven Design Workshop, each unit includes a kitchen, living room, flex room, full bathroom, and laundry closet.

NWMLS logoListing courtesy of the Northwest Multiple Listing Service (NWMLS).

New construction
Listed Sep 22, 2026MLS# 2585903

Facts & features

0Year built
0.51 acLot
Building
TypeMulti-family
Year built0
RoofSee Remarks
Lot & exterior
Lot size0.51 acres (22,216 sqft)
WaterfrontNo
ZoningMulti-Family,See Remarks
Utilities
HeatingSee Remarks
SewerAvailable
HOA & taxes
HOA duesNone
Interior features
Exterior & lot
See Remarks

Monthly payment

Full calculator →

Payment estimate calculated by irenakolbert.com from the assumptions below — not part of the NWMLS listing data. A lender will confirm actual figures.

Loan term
Down payment$20%
Interest rate%
Est. total / month$3,90630-year fixed · 6.5%
P&I $3,282Taxes $514Insurance $110
Plus ~$19,470 closing costs (est. 3%), paid once at closing. Get pre-approval guidance →
Estimate only, using the down payment, interest rate, and loan term set above. The APR, which includes loan costs, may be higher than the rate. Includes estimated property tax (~0.95%), insurance (~$110/mo), and any HOA dues. Not an offer of credit — a lender will confirm actual terms.

Price history

DateEventPrice Sep 22, 2026Listed for sale $649,000

Tax history

YearAssessed valueProperty tax
Source: Skagit County Assessor. Assessed value is not a market value.

Schools

Mount Vernon School District
ElementaryJefferson Elem
MiddleMount Baker Mid
HighMount Vernon High
School assignments come from the listing data provided by NWMLS. They're based on address and can change — verify with the district before relying on them.
⬤ Street view ↗
Downtown Bellingham36 min
WWU35 min
St. Joseph Hospital38 min
Peace Arch border63 min

Drive times are straight-line estimates calculated by irenakolbert.com — not part of the NWMLS listing data.

Median list price$630k243 active listings
Cumulative Days Active69median, active listings
List price per sqft$333this home: —
Homes for sale243in Mount Vernon

Area figures compiled by irenakolbert.com from current active NWMLS listings — not part of this listing's data.

Listing details

StatusActive
MLS #2585903
ListedSep 22, 2026
List price$649,000
Cumulative Days Active30
Property typeMulti-family
Listing brokerageColdwell Banker Bain
SourceNWMLS as distributed by MLS GRID
Listing courtesy of Coldwell Banker Bain. Based on information submitted to the MLS GRID as of Oct 23, 2026, 12:56 PM (date and time MLS GRID Data was obtained). All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website: listings located outside Whatcom and Skagit counties are not displayed.
$649,000Tour this home