4121 San Marco Dr
Longmont, CO 80503
4 bd 4 ba 2,747 sqft Built 2005 Lot 6,100 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 | $38,225 | $9,281 | $47,506 | $4,987 |
| 2024 | $38,225 | $9,281 | $47,506 | $4,445 |
| 2023 | $40,294 | $9,862 | $50,156 | $4,384 |
| 2022 | $28,488 | $7,464 | $35,952 | $3,557 |
| 2021 | $29,308 | $7,679 | $36,987 | $3,603 |
| 2020 | $28,278 | $6,936 | $35,214 | $3,420 |
| 2019 | $28,278 | $6,936 | $35,214 | $3,366 |
| 2018 | $23,436 | $6,120 | $29,556 | $2,807 |
| 2017 | $23,436 | $6,120 | $29,556 | $2,769 |
| 2016 | $20,155 | $8,119 | $28,274 | $2,702 |
| 2015 | $20,155 | $8,119 | $28,274 | $2,575 |
| 2014 | $17,950 | $5,333 | $23,283 | $2,166 |
| 2013 | $17,950 | $5,333 | $23,283 | $2,174 |
| 2011 | $16,597 | $6,010 | $22,607 | $1,963 |
| 2010 | $16,597 | $6,010 | $22,607 | $2,021 |
| 2009 | $16,597 | $6,010 | $22,607 | $1,984 |
| 2008 | $17,450 | $5,170 | $22,620 | $1,999 |
Property facts
Year built
2005
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
2,747 sqft
Lot size
6,100 sqft
ZIP code
80503
City
Longmont
Street
San Marco Dr
Coordinates
40.14017, -105.15641
Comparable properties nearby
Frequently asked questions
When did 4121 San Marco Dr last sell?
No public-record sale is on file for 4121 San Marco Dr.
What is the current tax assessment for 4121 San Marco Dr?
The most recent total assessment for 4121 San Marco Dr (year 2025) is $47,506 with $4,987 in property tax.
When was 4121 San Marco Dr built?
4121 San Marco Dr was built in 2005.
How does 4121 San Marco Dr compare to others on San Marco Dr?
We track 8 other properties on San Marco Dr. Browse the list under "Other properties on San Marco Dr" to compare beds, baths, and sale history.
What are the property facts for 4121 San Marco Dr?
4121 San Marco Dr is a 4 bed, 4 bath, 2,747 sqft, 6,100 sqft lot single_family.
Is 4121 San Marco Dr a flip candidate?
No — 4121 San Marco Dr does not appear in our flips dataset.
Is 4121 San Marco Dr a tax-appeal candidate?
No — 4121 San Marco Dr is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
0.0%
Implied 1-yr
-0.1%
2026 Q3
$1.11M
2026 Q4
$1.11M
ZIP 80503 — Median Price History + Forecast
Explore nearby
Geography
Other properties on San Marco Dr