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21240 12th St

Sammamish, WA 98074

4 bd 3 ba 1,530 sqft Built 1975 Lot 9,605 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

YearBuildingLandTotal assessedTax paid
2025 $350,000 $531,000 $881,000 $6,884
2024 $256,000 $531,000 $787,000 $6,579
2023 $325,000 $600,000 $925,000 $7,384
2022 $183,000 $365,000 $548,000 $5,348
2021 $150,000 $304,000 $454,000 $4,864
2020 $146,000 $305,000 $451,000 $4,725
2019 $155,000 $304,000 $459,000 $4,599
2018 $142,000 $272,000 $414,000 $4,605
2017 $129,000 $240,000 $369,000 $3,963
2016 $113,000 $231,000 $344,000 $3,729
2015 $115,000 $226,000 $341,000 $3,807
2014 $78,000 $206,000 $284,000 $3,517
2013 $79,000 $191,000 $270,000 $3,478
2012 $82,000 $200,000 $282,000 $3,363
2011 $122,000 $171,000 $293,000 $3,194
2009 $178,000 $171,000 $349,000 $3,216
2007 $156,000 $154,000 $310,000 $2,968

Property facts

Year built
1975
Property type
single_family
Stories
1
Beds
4
Baths
3
Living area
1,530 sqft
Lot size
9,605 sqft
ZIP code
98074
City
Sammamish
Street
12th St
Coordinates
47.61995, -122.05557

Comparable properties nearby

Frequently asked questions

When did 21240 12th St last sell?
No public-record sale is on file for 21240 12th St.
What is the current tax assessment for 21240 12th St?
The most recent total assessment for 21240 12th St (year 2025) is $881,000 with $6,884 in property tax.
When was 21240 12th St built?
21240 12th St was built in 1975.
How does 21240 12th St compare to others on 12th St?
We track 3 other properties on 12th St. Browse the list under "Other properties on 12th St" to compare beds, baths, and sale history.
What are the property facts for 21240 12th St?
21240 12th St is a 4 bed, 3 bath, 1,530 sqft, 9,605 sqft lot single_family.
Is 21240 12th St a flip candidate?
No — 21240 12th St does not appear in our flips dataset.
Is 21240 12th St a tax-appeal candidate?
No — 21240 12th St is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
-4.4%
Implied 1-yr
-17.6%
2026 Q3
$1.3M
2026 Q4
$1.22M
ZIP 98074 — Median Price History + Forecast

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