170 Spring Ln is a 1,944 square foot house on a 2.88 acre lot with 3 bedrooms and 2.5 bathrooms. - it last sold on December 02, 1986 for $23,000. Based on Redfin's Boulder data, we estimate the home's value is $882,131.
Single-familyProperty Type
1987Year Built
2.88 acresLot Size
$454Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$882,131
$859K since sold in December 1986$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.6% higher than the average sale price ($851K) 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
Basement Information
Basement Sq. Ft: 400
Basement Finish: Finished
Basement Type: Walk Out
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Frame Wood
Building Type: Single Family
Property Information
Subdivision Name: BOULDER HEIGHTS 7
Living Sq. Ft: 1,944
Ground Floor Sq. Ft: 1,544
Building Sq. Ft: 1,944
# of Stories: 1
Stories Type: 1
Legal Description: LOT 67 BOULDER HEIGHTS 7 & VAC PT OF SPRING DR PER VO 882589 10/87
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 456
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 125,387
Legal Lot Number: 67
Municipality Name: BOULDER
Acres: 2.8785
Zoning Code: F
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Tax Area: RE2-BRFD
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,944
Stories: 1.0
Lot Size: 2.88 acres
Style: Single Family Residential
Year Built: 1987
Year Renovated: 1987
County: Boulder County
APN: R0034378
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Foothill Elementary School
Public K-5 • Assigned • 3.8mi
9/10
Centennial Middle School
Public 6-8 • Assigned • 4.0mi
6/10
Boulder High School
Public 9-12 • Assigned • 5.4mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
5/10 Fire Factor
4% chance of being in a wildfire in next 30 years
1/10 Heat Factor
1 days above 88° expected this year, 2 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Boulder, CO • 80302
Average low and high temperatures (°F)
37
18
45
25
54
34
54
34
60
41
74
53
80
59
78
58
73
51
62
42
49
32
47
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.5 hours in
June and 6 hours in December, placing it above the
U.S. average for solar exposure.
10.5 hrs
6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$839,000 – $1.01M
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