504 Marine St
Boulder, CO 80302
4 bd 4 ba 4,492 sqft Built 1905 Lot 10,019 sqft single_family
Most recent sale
$2,050,000
Jul 11, 2013
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 6, 2022 | Listed | $4,750,000 | MLS #976698 |
| Jul 11, 2013 | Sold | $2,050,000 | MLS #703858 |
| Apr 15, 2013 | Price changed | $2,149,900 | MLS #703858 |
| Apr 4, 2013 | Listed | $2,220,000 | MLS #703858 |
| Mar 14, 2013 | Listed | $2,195,000 | MLS #701866 |
| Sep 26, 2012 | Price changed | $2,195,000 | MLS #676728 |
| Mar 28, 2012 | Listed | $2,295,000 | MLS #676728 |
| Aug 30, 2011 | Listed | $2,395,000 | MLS #664423 |
| Sep 10, 2002 | Sold | $664,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $175,431 | $94,744 | $270,175 | $25,761 |
| 2024 | $175,431 | $94,744 | $270,175 | $24,025 |
| 2023 | $181,617 | $95,448 | $277,065 | $23,608 |
| 2022 | $156,340 | $72,169 | $228,509 | $21,220 |
| 2021 | $160,839 | $74,246 | $235,085 | $20,234 |
| 2020 | $129,937 | $86,658 | $216,595 | $18,854 |
| 2019 | $129,937 | $86,658 | $216,595 | $18,565 |
| 2018 | $113,969 | $75,960 | $189,929 | $16,467 |
| 2017 | $113,969 | $75,960 | $189,929 | $15,952 |
| 2016 | $110,747 | $73,869 | $184,616 | $15,981 |
| 2015 | $110,747 | $73,869 | $184,616 | $15,133 |
| 2014 | $68,695 | $35,820 | $104,515 | $8,986 |
| 2013 | $68,695 | $35,820 | $104,515 | $8,788 |
| 2012 | $67,660 | $35,820 | $103,480 | $8,669 |
| 2011 | $67,660 | $35,820 | $103,480 | $8,592 |
| 2010 | $88,038 | $31,044 | $119,082 | $8,908 |
| 2009 | $88,038 | $31,044 | $119,082 | $8,317 |
| 2008 | $51,740 | $35,820 | $87,560 | $6,440 |
Property facts
Year built
1905
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
4,492 sqft
Lot size
10,019 sqft
ZIP code
80302
City
Boulder
Street
Marine St
Coordinates
40.01133, -105.28904
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 504 Marine St last sell?
504 Marine St most recently sold on Jul 11, 2013 for $2,050,000.
What is the current tax assessment for 504 Marine St?
The most recent total assessment for 504 Marine St (year 2025) is $270,175 with $25,761 in property tax.
How does 504 Marine St's assessment compare to its last sale price?
The current assessment is 86.8% below the last sale price of $2,050,000.
When was 504 Marine St built?
504 Marine St was built in 1905.
How does 504 Marine St compare to others on Marine St?
We track 8 other properties on Marine St. Browse the list under "Other properties on Marine St" to compare beds, baths, and sale history.
What are the property facts for 504 Marine St?
504 Marine St is a 4 bed, 4 bath, 4,492 sqft, 10,019 sqft lot single_family.
Is 504 Marine St a flip candidate?
No — 504 Marine St does not appear in our flips dataset.
Is 504 Marine St a tax-appeal candidate?
No — 504 Marine 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
-0.3%
Implied 1-yr
-1.2%
2026 Q3
$1.68M
2026 Q4
$1.67M
ZIP 80302 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Marine St