Residential - Vacant LandResidential
Last sold for $12,600 on Jun 18, 1976
3140 RIVERSIDE DR
LYONS, CO 80540
0
Baths
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
Valuation
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$12,600 · Jun 18, 1976
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,880 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$19,942 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,942
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$20,709
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$76,700
Climate Risk
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal
Scores 0–100; higher = greater projected risk.
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyBOULDER
Lot (acres)The size of the land the home sits on, from county records.0.34
PoolWhether the property has a pool, and what kind, such as in-ground.No
Transaction History(4)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
ME
Lyons Middle / Senior High SchoolA-
Middle · Grades 6–12 · 11.4 mi
Lyons Elementary SchoolA-
Elementary · Grades PK–5 · 11.5 mi
District: St. Vrain Valley School District Re 1j
Neighborhood · ZIP 80540These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.157
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54
Index scale: 100 = US average (tick). Lower is better.
Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.72%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.3,726
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,918
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,576
Average tempThe average temperature here across a full year.41°F
Annual precipHow much rain and melted snow falls here in a typical year.22 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.69%
Ownership
OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
3140 Riverside Dr measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Has a smaller lot than 80% of homes in Allenspark Vicinity
How it measures up in Lyons 80540
The dot is this home. The mark in the middle is the typical home in Lyons 80540.
Lot size0.34 ac
SmallerTypical 0.73 acBigger
Bigger than 34% of homes nearby
| Measure | This home | Allenspark Vicinity | Lyons 80540 | Boulder County |
|---|---|---|---|---|
| Lot sizebigger than | 0.34 ac | 20% of homes | 34% of homes | 78% of homes |
About 3140 Riverside Dr
When did 3140 Riverside Dr, Lyons, CO last sell?
3140 Riverside Dr, Lyons, CO last sold on Jun 18, 1976 for $12,600, according to the county's recorded deed.
What schools serve 3140 Riverside Dr, Lyons, CO?
3140 Riverside Dr, Lyons, CO is assigned to Lyons Middle / Senior High School (middle), rated A-; Lyons Elementary School (elementary), rated A-. All sit in St. Vrain Valley School District Re 1j. Attendance boundaries change — confirm with the district before relying on an assignment.
What are the property taxes on 3140 Riverside Dr, Lyons, CO?
The 2025 property tax bill for 3140 Riverside Dr, Lyons, CO was $1,880. The county assessed it at $19,942.
Closest homes
- 3139 Riverside Dr$408K75 ft · 2 bd · 1.5 ba · 1,216 ft² · Sold Nov 1948
- 3143 Riverside Dr$345K99 ft · 2 bd · 1 ba · 696 ft² · Sold $345K · Jun 2026
- 3135 Riverside Dr$570K150 ft · 3 bd · 1.8 ba · 1,440 ft² · Sold $560K · May 2022
- 3147 Riverside Dr$276K173 ft · 1 bd · 288 ft² · Sold Apr 1992
- 3141 Riverside Dr$305K205 ft · 1 bd · 1.8 ba · 792 ft² · Sold $259K · Sep 2017
- 3145 Riverside Dr$515K234 ft · 2 bd · 1 ba · 1,536 ft² · Sold May 1987
- 3137 Riverside Dr$425K196 ft · 2 bd · 1.5 ba · 960 ft² · Sold $13K · Jun 1976
- 3131 Riverside Dr$634K234 ft · 2 bd · 1.8 ba · 1,798 ft² · Sold $373K · Sep 2015
More homes in Lyons 80540
- 1692 Kiowa Rd$2.3M5 bd · 4 ba · 6,127 ft² · Sold $2.2M · Aug 2026
- 300 Colard Ln$1.8M3 bd · 4.5 ba · 3,585 ft² · Sold $1.8M · Aug 2026
- 57 Antelope Dr$998K3 bd · 2.8 ba · 2,600 ft² · Sold $1.2M · Aug 2026
- 153 Hemlock Dr$316K1 bd · 1 ba · 531 ft² · Sold $200K · Jul 2026
- 423 Reese St$574K3 bd · 1 ba · 1,176 ft² · Sold $675K · Jul 2026
- 3600 Blue Mountain Trl$795K3 bd · 2 ba · 1,250 ft² · Sold $675K · Jul 2026
- 213 Welch Dr$795K3 bd · 2.5 ba · 2,042 ft² · Sold $780K · Jul 2026
- 113 Eagle Valley Dr$1.1M5 bd · 4.3 ba · 4,810 ft² · Sold $1.1M · Jul 2026
- 125 Longs Peak Dr$1.3M5 bd · 3.3 ba · 3,096 ft² · Sold $1.3M · Jul 2026
- 16 Kittle Ct3.59 ac · Sold $272K · Jul 2026
- 18673 State Highway 7$2.5M2 bd · 1.8 ba · 1,484 ft² · Sold $2M · Jul 2026
- 3652 Blue Mountain Trl$990K2 bd · 2 ba · 2,410 ft² · Sold $989K · Jun 2026
Assigned schools
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