3878 99th Cir
Thornton, CO 80229
4 bd 3 ba 2,850 sqft Built 1991 Lot 13,886 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 |
|---|---|---|---|---|
| 2025 | $30,600 | $6,120 | $36,720 | $3,476 |
| 2023 | $35,110 | $5,750 | $40,860 | $3,467 |
| 2022 | $25,450 | $5,910 | $31,360 | $3,126 |
| 2021 | $26,180 | $6,080 | $32,260 | $2,948 |
| 2020 | $21,460 | $6,080 | $27,540 | $2,562 |
| 2019 | $21,460 | $6,080 | $27,540 | $2,577 |
| 2018 | $17,410 | $5,760 | $23,170 | $2,303 |
| 2017 | $17,410 | $5,760 | $23,170 | $2,257 |
| 2016 | $17,210 | $3,180 | $20,390 | $2,027 |
| 2015 | $17,210 | $3,180 | $20,390 | $1,772 |
| 2014 | $14,000 | $2,310 | $16,310 | $1,458 |
| 2013 | $14,000 | $2,310 | $16,310 | $1,437 |
| 2011 | $14,140 | $2,550 | $16,690 | $1,419 |
| 2010 | $14,140 | $2,550 | $16,690 | $1,480 |
| 2009 | $14,960 | $2,470 | $17,430 | $1,418 |
| 2007 | $18,010 | $3,020 | $21,030 | $1,632 |
Property facts
Year built
1991
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,850 sqft
Lot size
13,886 sqft
ZIP code
80229
City
Thornton
Street
99th Cir
Coordinates
39.87618, -104.94237
Comparable properties nearby
Frequently asked questions
When did 3878 99th Cir last sell?
No public-record sale is on file for 3878 99th Cir.
What is the current tax assessment for 3878 99th Cir?
The most recent total assessment for 3878 99th Cir (year 2025) is $36,720 with $3,476 in property tax.
When was 3878 99th Cir built?
3878 99th Cir was built in 1991.
How does 3878 99th Cir compare to others on 99th Cir?
We do not currently track other properties on 99th Cir.
What are the property facts for 3878 99th Cir?
3878 99th Cir is a 4 bed, 3 bath, 2,850 sqft, 13,886 sqft lot single_family.
Is 3878 99th Cir a flip candidate?
No — 3878 99th Cir does not appear in our flips dataset.
Is 3878 99th Cir a tax-appeal candidate?
No — 3878 99th Cir is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-2.5%
Implied 1-yr
-9.8%
2026 Q3
$362.5K
2026 Q4
$351.9K
ZIP 80229 — Median Price History + Forecast
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Geography