55 Riverside Dr is a 607 square foot house on a 5,361 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on July 18, 1991 for $39,900. Based on Redfin's Lyons data, we estimate the home's value is $291,230.
Single-familyProperty Type
1949Year Built
5,361 sq ftLot Size
$480Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$291,230
$251K since sold in July 1991$6,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 21.6% lower than the average sale price ($372K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
F
Forestry District
Rural areas established for the purpose of efficiently using land to conserve forest resources, protect the natural environment, and preserve open areas.
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Livestock production
Housing-Group
Housing-Single unit
Bed & breakfast
Office
Public service
Communications tower
Park & open space
Property details
Interior
Bathroom Information
# of Full Baths: 1
Room Information
# of Rooms: 3
Exterior
Exterior Information
Physical Condition: Fair
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Fair
Exterior Wall: Frame Wood
Building Type: Single Family
Property Information
Subdivision Name: RIVERSIDE
Living Sq. Ft: 607
Ground Floor Sq. Ft: 607
Building Sq. Ft: 607
# of Stories: 1
Stories Type: 1
Legal Description: LOT 10 & W 5 FT LOT 9 BLK 3 RIVERSIDE
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,361
Legal Lot Number: 10
Legal Block Number: 3
Municipality Name: MOUNTAIN
Acres: 0.1231
Zoning Code: F
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Tax Area: RE1J-SVLHD-APFD
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 607
Stories: 1.0
Lot Size: 5,361 square feet
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1949
County: Boulder County
APN: R0053626
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Lyons Elementary School
Public PreK-5 • Assigned • 9.2mi
7/10
Lyons Middle/Senior High School
Public 6-12 • Assigned • 9.1mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
10/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
6/10 Fire Factor
9% chance of being in a wildfire in next 30 years
1/10 Heat Factor
8 days above 83° expected this year, 22 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
2/10 Air Factor
0 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Lyons, CO • 80540
Average low and high temperatures (°F)
41
19
49
26
61
37
61
38
67
45
80
55
85
59
83
58
78
52
66
42
52
31
51
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
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Dec
Sun exposure
In this area, properties receive around 10.1 hours in
June and 6 hours in December, placing it above the
U.S. average for solar exposure.
10.1 hrs
6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$277,000 – $335,000
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