309 27th St
Boulder, CO 80305
2 bd 1 ba 913 sqft Built 1954 Lot 6,441 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 | $15,750 | $27,338 | $43,088 | $4,189 |
| 2024 | $15,750 | $27,338 | $43,088 | $4,157 |
| 2023 | $17,929 | $32,160 | $50,089 | $4,082 |
| 2022 | $14,929 | $24,360 | $39,289 | $3,648 |
| 2021 | $15,358 | $25,061 | $40,419 | $3,479 |
| 2020 | $13,971 | $24,096 | $38,067 | $3,313 |
| 2019 | $13,971 | $24,096 | $38,067 | $3,262 |
| 2018 | $12,672 | $22,248 | $34,920 | $3,027 |
| 2017 | $12,672 | $22,248 | $34,920 | $2,932 |
| 2016 | $16,374 | $15,442 | $31,816 | $2,754 |
| 2015 | $16,374 | $15,442 | $31,816 | $2,608 |
| 2014 | $12,227 | $12,816 | $25,043 | $2,153 |
| 2013 | $12,227 | $12,816 | $25,043 | $2,105 |
| 2011 | $10,587 | $14,408 | $24,995 | $2,075 |
| 2010 | $10,587 | $14,408 | $24,995 | $1,871 |
| 2009 | $10,587 | $14,408 | $24,995 | $1,747 |
| 2008 | $7,860 | $15,920 | $23,780 | $1,749 |
Property facts
Year built
1954
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
913 sqft
Lot size
6,441 sqft
ZIP code
80305
City
Boulder
Street
27th St
Coordinates
39.99589, -105.25999
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 309 27th St last sell?
No public-record sale is on file for 309 27th St.
What is the current tax assessment for 309 27th St?
The most recent total assessment for 309 27th St (year 2025) is $43,088 with $4,189 in property tax.
When was 309 27th St built?
309 27th St was built in 1954.
How does 309 27th St compare to others on 27th St?
We track 8 other properties on 27th St. Browse the list under "Other properties on 27th St" to compare beds, baths, and sale history.
What are the property facts for 309 27th St?
309 27th St is a 2 bed, 1 bath, 913 sqft, 6,441 sqft lot single_family.
Is 309 27th St a flip candidate?
No — 309 27th St does not appear in our flips dataset.
Is 309 27th St a tax-appeal candidate?
No — 309 27th 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
-0.2%
Implied 1-yr
-0.8%
2026 Q3
$1.2M
2026 Q4
$1.2M
ZIP 80305 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 27th St