870 129th Ave
Thornton, CO 80241
4 bd 3 ba 2,680 sqft Built 1997 Lot 5,000 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 | $29,380 | $8,020 | $37,400 | $4,209 |
| 2023 | $32,000 | $6,770 | $38,770 | $3,591 |
| 2022 | $19,690 | $6,950 | $26,640 | $2,934 |
| 2021 | $20,260 | $7,150 | $27,410 | $3,032 |
| 2020 | $18,840 | $7,150 | $25,990 | $2,101 |
| 2019 | $18,840 | $7,150 | $25,990 | $2,106 |
| 2018 | $14,910 | $7,200 | $22,110 | $1,715 |
| 2017 | $14,910 | $7,200 | $22,110 | $1,559 |
| 2016 | $14,610 | $4,300 | $18,910 | $1,176 |
| 2015 | $8,460 | $2,490 | $10,950 | $1,175 |
| 2014 | $5,880 | $1,950 | $7,830 | $902 |
| 2013 | $5,880 | $1,950 | $7,830 | $926 |
| 2011 | $11,550 | $3,820 | $15,370 | $1,845 |
| 2010 | $11,550 | $3,820 | $15,370 | $1,898 |
| 2009 | $12,220 | $3,580 | $15,800 | $1,895 |
| 2007 | $13,000 | $3,900 | $16,900 | $2,017 |
Property facts
Year built
1997
Property type
single_family
Stories
1
Beds
4
Baths
3
Living area
2,680 sqft
Lot size
5,000 sqft
ZIP code
80241
City
Thornton
Street
129th Ave
Coordinates
39.93010, -104.97652
Comparable properties nearby
Frequently asked questions
When did 870 129th Ave last sell?
No public-record sale is on file for 870 129th Ave.
What is the current tax assessment for 870 129th Ave?
The most recent total assessment for 870 129th Ave (year 2025) is $37,400 with $4,209 in property tax.
When was 870 129th Ave built?
870 129th Ave was built in 1997.
How does 870 129th Ave compare to others on 129th Ave?
We track 8 other properties on 129th Ave. Browse the list under "Other properties on 129th Ave" to compare beds, baths, and sale history.
What are the property facts for 870 129th Ave?
870 129th Ave is a 4 bed, 3 bath, 2,680 sqft, 5,000 sqft lot single_family.
Is 870 129th Ave a flip candidate?
No — 870 129th Ave does not appear in our flips dataset.
Is 870 129th Ave a tax-appeal candidate?
No — 870 129th Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+2.1%
Implied 1-yr
+8.4%
2026 Q3
$570.8K
2026 Q4
$581.4K
ZIP 80241 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 129th Ave