623 Marine St
Boulder, CO 80302
4 bd 3 ba 2,659 sqft Built 1984 Lot 4,356 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 | $42,250 | $54,544 | $96,794 | $9,309 |
| 2024 | $42,250 | $54,544 | $96,794 | $8,832 |
| 2023 | $47,349 | $55,938 | $103,287 | $8,676 |
| 2022 | $38,003 | $47,017 | $85,020 | $7,970 |
| 2021 | $39,096 | $48,370 | $87,466 | $7,603 |
| 2020 | $38,817 | $41,899 | $80,716 | $7,025 |
| 2019 | $38,817 | $41,899 | $80,716 | $6,918 |
| 2018 | $42,703 | $28,440 | $71,143 | $6,168 |
| 2017 | $42,703 | $28,440 | $71,143 | $5,975 |
| 2016 | $37,141 | $24,756 | $61,897 | $5,358 |
| 2015 | $37,141 | $24,756 | $61,897 | $5,073 |
| 2014 | $23,991 | $19,900 | $43,891 | $3,773 |
| 2013 | $23,991 | $19,900 | $43,891 | $3,690 |
| 2011 | $24,596 | $19,661 | $44,257 | $3,674 |
| 2010 | $24,596 | $19,661 | $44,257 | $3,879 |
| 2009 | $24,596 | $19,661 | $44,257 | $3,622 |
| 2008 | $20,640 | $27,060 | $47,700 | $2,922 |
Property facts
Year built
1984
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,659 sqft
Lot size
4,356 sqft
ZIP code
80302
City
Boulder
Street
Marine St
Coordinates
40.01196, -105.28652
Comparable properties nearby
Frequently asked questions
When did 623 Marine St last sell?
No public-record sale is on file for 623 Marine St.
What is the current tax assessment for 623 Marine St?
The most recent total assessment for 623 Marine St (year 2025) is $96,794 with $9,309 in property tax.
When was 623 Marine St built?
623 Marine St was built in 1984.
How does 623 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 623 Marine St?
623 Marine St is a 4 bed, 3 bath, 2,659 sqft, 4,356 sqft lot single_family.
Is 623 Marine St a flip candidate?
No — 623 Marine St does not appear in our flips dataset.
Is 623 Marine St a tax-appeal candidate?
No — 623 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