503 Kalmia Ave
Boulder, CO 80304
4 bd 4 ba 5,381 sqft Built 1978 Lot 24,829 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 | $119,213 | $170,769 | $289,982 | $27,649 |
| 2024 | $119,213 | $170,769 | $289,982 | $28,249 |
| 2023 | $135,869 | $189,262 | $325,131 | $27,759 |
| 2022 | $87,195 | $135,914 | $223,109 | $20,718 |
| 2021 | $89,704 | $139,825 | $229,529 | $19,756 |
| 2020 | $79,508 | $126,055 | $205,563 | $17,893 |
| 2019 | $79,508 | $126,055 | $205,563 | $17,619 |
| 2018 | $81,936 | $100,800 | $182,736 | $15,843 |
| 2017 | $81,936 | $100,800 | $182,736 | $15,347 |
| 2016 | $99,261 | $74,744 | $174,005 | $15,062 |
| 2015 | $99,261 | $74,744 | $174,005 | $14,263 |
| 2014 | $75,620 | $59,700 | $135,320 | $11,634 |
| 2013 | $75,620 | $59,700 | $135,320 | $11,377 |
| 2011 | $54,446 | $36,298 | $90,744 | $7,534 |
| 2010 | $54,446 | $36,298 | $90,744 | $7,675 |
| 2009 | $54,446 | $36,298 | $90,744 | $7,167 |
| 2008 | $34,550 | $51,740 | $86,290 | $6,346 |
Property facts
Year built
1978
Property type
single_family
Stories
1
Beds
4
Baths
4
Living area
5,381 sqft
Lot size
24,829 sqft
ZIP code
80304
City
Boulder
Street
Kalmia Ave
Coordinates
40.03933, -105.28978
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 503 Kalmia Ave last sell?
No public-record sale is on file for 503 Kalmia Ave.
What is the current tax assessment for 503 Kalmia Ave?
The most recent total assessment for 503 Kalmia Ave (year 2025) is $289,982 with $27,649 in property tax.
When was 503 Kalmia Ave built?
503 Kalmia Ave was built in 1978.
How does 503 Kalmia Ave compare to others on Kalmia Ave?
We track 8 other properties on Kalmia Ave. Browse the list under "Other properties on Kalmia Ave" to compare beds, baths, and sale history.
What are the property facts for 503 Kalmia Ave?
503 Kalmia Ave is a 4 bed, 4 bath, 5,381 sqft, 24,829 sqft lot single_family.
Is 503 Kalmia Ave a flip candidate?
No — 503 Kalmia Ave does not appear in our flips dataset.
Is 503 Kalmia Ave a tax-appeal candidate?
No — 503 Kalmia 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
+1.2%
Implied 1-yr
+5.0%
2026 Q3
$2.17M
2026 Q4
$2.2M
ZIP 80304 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Kalmia Ave