512 Marine St
Boulder, CO 80302
4 bd 5 ba 4,904 sqft Built 1903 Lot 9,947 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 | $192,963 | $93,644 | $286,607 | $27,327 |
| 2024 | $192,963 | $93,644 | $286,607 | $25,583 |
| 2023 | $200,457 | $94,336 | $294,793 | $25,139 |
| 2022 | $171,582 | $71,335 | $242,917 | $22,558 |
| 2021 | $176,519 | $73,388 | $249,907 | $21,510 |
| 2020 | $138,632 | $92,450 | $231,082 | $20,114 |
| 2019 | $138,632 | $92,450 | $231,082 | $19,806 |
| 2018 | $120,801 | $80,568 | $201,369 | $17,458 |
| 2017 | $120,801 | $80,568 | $201,369 | $16,912 |
| 2016 | $110,206 | $73,471 | $183,677 | $15,900 |
| 2015 | $110,206 | $73,471 | $183,677 | $15,056 |
| 2014 | $68,169 | $81,510 | $149,679 | $12,868 |
| 2013 | $68,169 | $81,510 | $149,679 | $12,585 |
| 2011 | $95,440 | $30,726 | $126,166 | $10,476 |
| 2010 | $95,440 | $30,726 | $126,166 | $11,913 |
| 2009 | $95,440 | $30,726 | $126,166 | $11,124 |
| 2008 | $17,190 | $35,820 | $53,010 | $3,898 |
Property facts
Year built
1903
Property type
single_family
Stories
2
Beds
4
Baths
5
Living area
4,904 sqft
Lot size
9,947 sqft
ZIP code
80302
City
Boulder
Street
Marine St
Coordinates
40.01133, -105.28886
Comparable properties nearby
Frequently asked questions
When did 512 Marine St last sell?
No public-record sale is on file for 512 Marine St.
What is the current tax assessment for 512 Marine St?
The most recent total assessment for 512 Marine St (year 2025) is $286,607 with $27,327 in property tax.
When was 512 Marine St built?
512 Marine St was built in 1903.
How does 512 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 512 Marine St?
512 Marine St is a 4 bed, 5 bath, 4,904 sqft, 9,947 sqft lot single_family.
Is 512 Marine St a flip candidate?
No — 512 Marine St does not appear in our flips dataset.
Is 512 Marine St a tax-appeal candidate?
No — 512 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