Embrace this beautiful ranch-style home in Niwot with a design that offers comfort, convenience, natural beauty, partial mountain views & is an excellent place for hosting gatherings, barbecues, & outdoor parties. Open floor plan creates a harmonious & inviting living space that feels open, bright, & connected to the outdoors. Enjoy the large main-floor primary suite with direct access to the backyard, which provides a private & tranquil retreat. Imagine waking up and stepping onto your deck to enjoy a morning coffee surrounded by the serene sights & sounds of your garden. Enjoy the evening hot tub, which becomes the perfect spot to unwind & stargaze. The other two bedrooms on the main level incorporate both a sleeping area & a living room area, creating a luxurious & multifunctional space. This layout allows separate zones for relaxation, entertainment, & privacy. One of the rooms features outside access, which can be great for an in-law apartment, home office, or nanny quarters. The spacious kitchen features a large island, gas range, custom cabinets, & access to the backyard. The morning sun that beams into the kitchen eating area makes it a pleasant place to enjoy your morning breakfast. From the kitchen, step seamlessly onto the delightful covered deck that overlooks the expansive backyard. The .8 of acre lot provides opportunities for recreation, relaxation, creativity, and a deeper connection with the natural world. Whether you're an avid gardener or appreciate the beauty of nature, this well-designed garden adds a beautiful and fulfilling dimension to the home. The outdoor space are a fantastic spot for entertaining guests. Hosting gatherings, dinners, or small events in this picturesque setting can create a dynamic and enjoyable experience for you and your guests. Niwot is a charming town known for its small-town charm, friendly community, and scenic surroundings. GREAT IN LAW SUITE OR HOME OFFICE THAT HAS AN OUTSIDE ENTRANCE
Single-familyProperty Type
2012Year Built
0.8 acresLot Size
$404Est. Price/Sq.Ft.
3 car garageParking
Listed by Tara Littell• Compass Colorado, LLC - Boulder
Listed by Patricia R Murphy• Compass - Denver
Contact: tara.littell@compass.com,303-819-2761
Bought with Wendy Kahn-Robson• RE/MAX of Boulder, Inc
LISTING WEB SITE: WWW.8858MARATHON Embrace this beautiful ranch-style home in Niwot with a design that offers, comfort, ,convenience, natural beauty, partial mountain views & is an excellent place for hosting gatherings, barbeques, & outdoor parties. The open floor plan creates a harmonious & inviting space that feels open, bright & connected to outdoors. Enjoy the main floor primary suite with direct access to the backyard, which provides a private & tranquil retreat. Imagine waking up and stepping onto your deck to enjoy morning coffee surrounded by the serene sights & sound of your garden and birds. Enjoy the hot tub in the evenings, which becomes the perfect spot to unwind. The other two bedrooms on the main level incorporate both a sleeping area and living area, creating a luxurious and mulitfunctional space. The layout allows separate zones for relaxation, entertainment, and privacy. One of the suites features an outside entrance which can great for in-law apartment, home office, or nanny quarters. The spacious kitchen features a large island, gas range, custom cabinets & access to backyard. morning sun tht beam s into the kitchen eating area makes it a pleasant place to enjoy your breakfast. From the kitchen step seamlessly onto the delightful covered deck that overlooks the expansive back yard. The.8 of acre lot provides opportunities for recreation, relaxation, and a deeper connection with the natural world. Whether you are an avid gardener or appreciate the beauty of nature, this well designed garden adds a beautiful and fullfilling dimension to the home. Hosting gatherings, dinners, or small events in this picturesque setting can create a dynamic and enjoyable experience especially in the covered back patio. Niwot is a charming town known forit small town charm, friendly community, great schools, trails, and scenic surroundings. The town offers a range of amenities including parks, trails dining , market, and more.
IRES as Distributed by MLS Grid #3180969
Oct 27, 2023
Sold
$1,700,000
$402/sq ft
Oct 27, 2023
Sold
$1,700,000
$402/sq ft
Oct 8, 2023
Pending
—
Oct 8, 2023
Pending
—
Sep 25, 2023
Price Changed
$1,675,000
$396/sq ft
Sep 25, 2023
Price Changed
$1,675,000
$396/sq ft
Sep 19, 2023
Listed
$1,725,000
$408/sq ft
Sep 19, 2023
Listed
$1,725,000
$408/sq ft
+35
Embrace this beautiful ranch-style home in Niwot with a design that offers comfort, convenience, natural beauty, partial mountain views & is an excellent place for hosting gatherings, barbecues, & outdoor parties. Open floor plan creates a harmonious & inviting living space that feels open, bright, & connected to the outdoors. Enjoy the large main-floor primary suite with direct access to the backyard, which provides a private & tranquil retreat. Imagine waking up and stepping onto your deck to enjoy a morning coffee surrounded by the serene sights & sounds of your garden. Enjoy the evening hot tub, which becomes the perfect spot to unwind & stargaze. The other two bedrooms on the main level incorporate both a sleeping area & a living room area, creating a luxurious & multifunctional space. This layout allows separate zones for relaxation, entertainment, & privacy. One of the rooms features outside access, which can be great for an in-law apartment, home office, or nanny quarters. The spacious kitchen features a large island, gas range, custom cabinets, & access to the backyard. The morning sun that beams into the kitchen eating area makes it a pleasant place to enjoy your morning breakfast. From the kitchen, step seamlessly onto the delightful covered deck that overlooks the expansive backyard. The .8 of acre lot provides opportunities for recreation, relaxation, creativity, and a deeper connection with the natural world. Whether you're an avid gardener or appreciate the beauty of nature, this well-designed garden adds a beautiful and fulfilling dimension to the home. The outdoor space are a fantastic spot for entertaining guests. Hosting gatherings, dinners, or small events in this picturesque setting can create a dynamic and enjoyable experience for you and your guests. Niwot is a charming town known for its small-town charm, friendly community, and scenic surroundings. GREAT IN LAW SUITE OR HOME OFFICE THAT HAS AN OUTSIDE ENTRANCE
IRES as Distributed by MLS Grid #995162
Oct 27, 2023
Sold
$1,700,000
$402/sq ft
Sep 19, 2023
Price Changed
$1,725,000
$408/sq ft
Sep 19, 2023
Listing Removed
—
Aug 25, 2023
Listed
$1,800,000
$426/sq ft
IRES as Distributed by MLS Grid #990354
Jun 23, 2023
Listing Removed
—
Jun 19, 2023
Listed
$1,800,000
$426/sq ft
IRES as Distributed by MLS Grid #970724
Aug 20, 2022
Listing Removed
—
Jul 11, 2022
Listed
$1,790,000
$424/sq ft
IRES as Distributed by MLS Grid #636821
Nov 22, 2010
Sold
$330,000
$78/sq ft
Aug 12, 2010
Listed
$354,900
$84/sq ft
REColorado as Distributed by MLS Grid #918266
Aug 12, 2010
Listed
$354,900
$84/sq ft
Public Records
Oct 11, 2002
Sold
$445,000
$105/sq ft
IRES as Distributed by MLS Grid #331555
Aug 15, 2002
Sold
$445,000
$105/sq ft
Mar 13, 2002
Listed
$447,950
$106/sq ft
Public Records
Apr 2, 1992
Sold
$162,500
$38/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$9,945 (+3.9%)
$34,263 + $57,894
$92,157
2024
$9,567 (+1.3%)
$34,263 + $57,894
$92,157
2023
$9,440 (+24.6%)
$28,053 + $69,258
$97,311
2022
$7,574 (−1.3%)
$31,738 + $69,258
$100,996
2021
$7,674 (+11.8%)
$28,599 + $45,856
$74,455
2020
$6,866 (+0.3%)
$29,422 + $47,176
$76,598
2019
$6,843 (+22.4%)
$22,094 + $46,604
$68,698
2018
$5,591 (+6.5%)
$22,094 + $46,604
$68,698
2017
$5,251 (−2.6%)
$16,704 + $39,816
$56,520
2016
$5,390 (+5.0%)
$16,704 + $39,816
$56,520
2015
$5,134 (+13.3%)
$20,457 + $36,369
$56,826
2014
$4,531 (−10.0%)
$13,850 + $35,151
$49,001
2013
$5,036 (+48.0%)
$13,850 + $35,151
$49,001
2012
$3,402 (+7.0%)
$13,850 + $35,151
$49,001
2011
$3,181 (−7.0%)
$10,706 + $26,149
$36,855
2010
$3,420 (+1.7%)
$10,706 + $26,149
$36,855
2009
$3,363
$26,110 + $13,930
$40,040
Tax history for 8858 Marathon Rd
Year
Property tax
Land + Additions
Assessment*
2025
$9,945 (+3.9%)
$34,263 + $57,894
$92,157
2024
$9,567 (+1.3%)
$34,263 + $57,894
$92,157
2023
$9,440 (+24.6%)
$28,053 + $69,258
$97,311
2022
$7,574 (−1.3%)
$31,738 + $69,258
$100,996
2021
$7,674 (+11.8%)
$28,599 + $45,856
$74,455
2020
$6,866 (+0.3%)
$29,422 + $47,176
$76,598
2019
$6,843 (+22.4%)
$22,094 + $46,604
$68,698
2018
$5,591 (+6.5%)
$22,094 + $46,604
$68,698
2017
$5,251 (−2.6%)
$16,704 + $39,816
$56,520
2016
$5,390 (+5.0%)
$16,704 + $39,816
$56,520
2015
$5,134 (+13.3%)
$20,457 + $36,369
$56,826
2014
$4,531 (−10.0%)
$13,850 + $35,151
$49,001
2013
$5,036 (+48.0%)
$13,850 + $35,151
$49,001
2012
$3,402 (+7.0%)
$13,850 + $35,151
$49,001
2011
$3,181 (−7.0%)
$10,706 + $26,149
$36,855
2010
$3,420 (+1.7%)
$10,706 + $26,149
$36,855
2009
$3,363
$26,110 + $13,930
$40,040
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Beds
3
Baths
3.5
Stories
1
Lot width
—
Lot depth
—
Lot size
0.75 Acres
Year renovated
2012
Sq. Ft.
3,802
Year built
1967
Style
Single Family Residential
County
Boulder County
APN
R0056969
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 2, 2026.
RR
Rural Residential District
Residential areas developed at a density and character compatible with agricultural uses.
Permitted uses
Include but are not limited to:
Religious facility
Day care facility
Housing-Group
Housing-Single unit
Bed & breakfast
Educational/school
Recreation
Golf related
Veterinary clinic
Park & open space
Property details
Parking
Parking/Garage Information
Parking Total: 3
Garage Spaces: 3
AttachedGarageYN: Yes
Interior
Bedroom Information
Bedrooms Total: 4
Main Level Bedrooms: 4
Bathroom Information
Bathrooms Total Integer: 4
Bathrooms Full: 1
Bathrooms Three Quarter: 3
Main Level Bathrooms: 4
Room 1 Information
Bonus Room
Length: 25
Width: 12
Level: Basement
Room 2 Information
Primary Bedroom
Level: Main
Room 3 Information
Bedroom
Level: Main
Room 4 Information
Bedroom
Level: Main
Room 5 Information
Bedroom
Level: Main
Room 6 Information
Dining Room
Level: Main
Room 7 Information
Great Room
Level: Main
Room 8 Information
Kitchen
Level: Main
Room 9 Information
Laundry
Level: Main
Room 10 Information
Office
Level: Main
Room 11 Information
Primary Bathroom (Full)
Level: Main
Room 12 Information
Bathroom (3/4)
Level: Main
Room 13 Information
Bathroom (3/4)
Level: Main
Room 14 Information
Bathroom (3/4)
Level: Main
Interior Features
Flooring: Carpet, Tile, Wood
Basement Information
Has Basement
Basement: Daylight
Fireplace Information
Fireplaces Total: 1
Fireplace Features: Great Room
Exterior
Building Information
Building Area Total: 4,226
Building Area Source: Public Records
Structure Type: House
Construction Materials: Frame
Exterior Features
Patio And Porch Features: Covered, Front Porch
Fencing: Partial
Roof: Composition
Property Information
Property Type: Residential
Property Sub Type: Single Family Residence
Property Unattached
Living Area: 3,717
Above Grade Finished Area: 3,417
Below Grade Finished Area: 300
Below Grade Unfinished Area: 509
Levels: One
Direction Faces: Northwest
Ownership: Individual
Lot Information
Lot Size Square Feet: 34,848
Lot Size Acres: 0.8
Zoning: RR
Financial
Tax Information
Tax Annual Amount: $7,574
Tax Year: 2022
Parcel Number: R0056969
Utilities
Utility Information
Sewer: Public Sewer
Heating & Cooling
Cooling: Central Air
Heating: Forced Air
Location
School Information
Elementary School: Niwot
Elementary School District: St. Vrain Valley RE-1J
Middle Or Junior School: Sunset
Middle Or Junior School District: St. Vrain Valley RE-1J
High School: Niwot
High School District: St. Vrain Valley RE-1J
School Of Choice YN: 1
Public facts
Beds: 3
Baths: 3.5
Sq. Ft.: 3,802
Stories: 1.0
Lot Size: 0.75 acres
Style: Single Family Residential
Year Built: 1967
Year Renovated: 2012
County: Boulder County
APN: R0056969
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Niwot Elementary School
Public PreK-5 • Assigned • 0.1mi
10/10
Sunset Middle School
Public 6-8 • Assigned • 3.4mi
6/10
Niwot High School
Public 9-12 • Assigned • 0.4mi
10/10
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
3/10 Heat Factor
7 days above 92° expected this year, 18 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
6/10 Air Factor
10 unhealthy days expected this year, 10 days in 30 years
Provided by First Street
Historical weather
Niwot, CO • 80503
Average low and high temperatures (°F)
43
18
52
26
64
37
64
39
71
46
83
56
88
61
86
59
81
53
69
43
55
31
53
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
$1.62M – $1.96M
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