4400 Ruby St
Boulder, CO 80304
3 bd 2 ba 1,256 sqft Built 1957 Lot 41,382 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 | — | $101,131 | $101,131 | $10,105 |
| 2024 | — | $101,131 | $101,131 | $8,578 |
| 2023 | $9,659 | $86,928 | $96,587 | $8,436 |
| 2022 | $7,223 | $65,008 | $72,231 | $7,036 |
| 2021 | $7,431 | $66,879 | $74,310 | $6,709 |
| 2020 | $12,377 | $49,478 | $61,855 | $5,650 |
| 2019 | $12,377 | $49,478 | $61,855 | $5,564 |
| 2018 | $11,722 | $46,872 | $58,594 | $5,330 |
| 2017 | $11,722 | $46,872 | $58,594 | $5,171 |
| 2016 | $11,454 | $45,770 | $57,224 | $5,200 |
| 2015 | $11,454 | $45,770 | $57,224 | $4,937 |
| 2014 | $9,870 | $40,755 | $50,625 | $4,371 |
| 2013 | $9,870 | $40,755 | $50,625 | $4,849 |
| 2011 | $10,905 | $40,755 | $51,660 | $4,304 |
| 2010 | $10,905 | $40,755 | $51,660 | $4,442 |
| 2009 | $10,905 | $40,755 | $51,660 | $4,186 |
| 2008 | $11,140 | $38,210 | $49,350 | $3,745 |
Property facts
Year built
1957
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,256 sqft
Lot size
41,382 sqft
ZIP code
80304
City
Boulder
Street
Ruby St
Coordinates
40.04928, -105.26565
Comparable properties nearby
Frequently asked questions
When did 4400 Ruby St last sell?
No public-record sale is on file for 4400 Ruby St.
What is the current tax assessment for 4400 Ruby St?
The most recent total assessment for 4400 Ruby St (year 2025) is $101,131 with $10,105 in property tax.
When was 4400 Ruby St built?
4400 Ruby St was built in 1957.
How does 4400 Ruby St compare to others on Ruby St?
We track 1 other property on Ruby St. Browse the list under "Other properties on Ruby St" to compare beds, baths, and sale history.
What are the property facts for 4400 Ruby St?
4400 Ruby St is a 3 bed, 2 bath, 1,256 sqft, 41,382 sqft lot single_family.
Is 4400 Ruby St a flip candidate?
No — 4400 Ruby St does not appear in our flips dataset.
Is 4400 Ruby St a tax-appeal candidate?
No — 4400 Ruby 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
+1.7%
Implied 1-yr
+6.8%
2026 Q3
$1.79M
2026 Q4
$1.81M
ZIP 80304 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Ruby St