605 Cosgrove St
Mount Vernon, WA 98273
2 bd 1 ba 869 sqft Built 1910 Lot 4,792 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2026 | $173,600 | $186,900 | $360,500 | $4,375 |
| 2025 | $173,600 | $186,900 | $360,500 | $4,148 |
| 2024 | $150,500 | $167,900 | $318,400 | $3,547 |
| 2023 | $153,600 | $173,700 | $327,300 | $3,704 |
| 2022 | $142,100 | $113,100 | $255,200 | $3,301 |
| 2021 | $50,400 | $95,900 | $146,300 | $2,043 |
| 2020 | $44,800 | $88,200 | $133,000 | $1,918 |
| 2019 | $41,400 | $75,500 | $116,900 | $1,518 |
| 2018 | $34,400 | $62,700 | $97,100 | $1,609 |
| 2017 | $29,400 | $53,600 | $83,000 | $1,379 |
| 2016 | $28,000 | $51,000 | $79,000 | $1,330 |
| 2015 | $24,100 | $51,800 | $75,900 | $1,333 |
| 2014 | $24,100 | $51,800 | $75,900 | $1,318 |
| 2013 | $24,100 | $51,800 | $75,900 | $1,338 |
| 2012 | $25,400 | $54,600 | $80,000 | $1,304 |
| 2011 | $28,700 | $61,700 | $90,400 | $1,357 |
| 2010 | $30,000 | $64,500 | $94,500 | $1,330 |
| 2009 | $32,000 | $84,200 | $116,200 | $1,536 |
| 2008 | $32,000 | $84,200 | $116,200 | $1,463 |
Property facts
Year built
1910
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
869 sqft
Lot size
4,792 sqft
ZIP code
98273
City
Mount Vernon
Street
Cosgrove St
Coordinates
48.42246, -122.34253
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 605 Cosgrove St last sell?
No public-record sale is on file for 605 Cosgrove St.
What is the current tax assessment for 605 Cosgrove St?
The most recent total assessment for 605 Cosgrove St (year 2026) is $360,500 with $4,375 in property tax.
When was 605 Cosgrove St built?
605 Cosgrove St was built in 1910.
How does 605 Cosgrove St compare to others on Cosgrove St?
We track 3 other properties on Cosgrove St. Browse the list under "Other properties on Cosgrove St" to compare beds, baths, and sale history.
What are the property facts for 605 Cosgrove St?
605 Cosgrove St is a 2 bed, 1 bath, 869 sqft, 4,792 sqft lot single_family.
Is 605 Cosgrove St a flip candidate?
No — 605 Cosgrove St does not appear in our flips dataset.
Is 605 Cosgrove St a tax-appeal candidate?
No — 605 Cosgrove St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.5%
Implied 1-yr
-2.0%
2026 Q3
$540.1K
2026 Q4
$537.3K
ZIP 98273 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Cosgrove St