MN Property Tax BuddyFree metro assessment lookup

Assessment changes by city / Cottage Grove

Cottage Grove: how assessments moved

Across 14,478 residential properties in Cottage Grove (Washington County), assessed values moved a median of +1.2% from the 2025 assessment to the 2026 assessment.

Median change

+1.2%

Middle half of homes

0.0% to +3.0%

Median assessed value

$371,300

3% of Cottage Grove homes saw their assessment rise 10% or more, while 23% saw a decrease. If your change sits well above the middle half, that does not prove the county is wrong about your home, but it is exactly the situation where checking the value against real sales is worth an evening.

Check your own address with the free assessment lookup, run the two-minute appeal checkup, and know this year's appeal deadlines.

Watch your Cottage Grove assessment

We will email you when valuation notices go out and if the assessment on record for your address jumps.

Email me when my county mails valuation notices each spring, and if the assessed value on record for the address I provide jumps. We watch the county assessment data so you do not have to. We never sell your email, and you can unsubscribe anytime.

Source: county parcel data published through MetroGIS, residential classifications only, extreme outliers excluded. Last verified July 8, 2026.