OFF MARKET

Off Market Sep 2021 for $1.1M

$1,381,906

Est. refi paymentEst. refi $7,605/mo

•

3,128

sq ft

8829 Marathon Rd, Niwot, CO 80503

About this home

Public Remarks: Beautifully remodeled home on a full 1 acre lot in Niwot! The updates will thrill you, the view of Longs Peak will blow you away! Since 2016, the kitchen has been upgraded with custom cabinets, granite counters, SS appliances, dual oven and gas range. The bathrooms are all updated and modern. New roof, new boiler, new garage doors, new mini-split a/c, new electrical panel, the list goes on! On a chilly evening, you can choose between sitting by your gas fireplace enjoying your incredible view, or snuggling up in front of your wood fireplace in the basement. Need room to store all your toys or extra vehicles? No problem! You have a HUGE shed with room for everything, plus ample storage in the basement off the flex room/rec room. An easy walk brings you to Niwot's award winning schools, just a little further gets you to all Niwot has to offer with restaurants, Rock n Rails, cozy shops, etc. This peaceful, non HOA neighborhood is one of Niwot's gems! 1 BR non-conforming

Single-familyProperty Type

1968Year Built

1.03 acresLot Size

$442Est. Price/Sq.Ft.

2 car garageParking

Listed by Marie Preitauer • Timberline Properties

Contact: 3032498402

Bought with Andre Mazur • Compass - Boulder

•303-487-5472 (broker)

Redfin checked: 3 minutes ago

•Source:IRES as Distributed by MLS Grid #943158

Redfin Estimate

$1,381,906

$207K since sold in September 2021$6,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 16% higher than the average sale price ($1.19M) of 6 comparable homes.

SOLD JUL 23, 2026
$1,775,000
A
5 beds3 baths3,374 sq ft
8140 Meadowdale Ct, Niwot, CO 80503
RE/MAX Alliance
SOLD JUN 30, 2026
$785,000
B
4 beds2 baths2,800 sq ft
8840 Niwot Rd, Niwot, CO 80503
Northern Colorado Real Estate
SOLD MAY 29, 2026
$830,000
C
3 beds3 baths1,781 sq ft
7057 Elm St, Niwot, CO 80503
SOLD JUL 30, 2026
$950,000
D
4 beds2.5 baths2,927 sq ft
7458 Mount Sherman Rd, Longmont, CO 80503
SOLD JUN 30, 2026
$1,570,000
E
5 beds3.5 baths3,951 sq ft
8245 Sawtooth Ln, Niwot, CO 80503
SOLD JUN 8, 2026
$1,240,000
F
4 beds3 baths3,113 sq ft
7399 N 95th St, Longmont, CO 80504
Compass Colorado, LLC - Boulder

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Earn from this home

Sell

$452,500

Est. take-home

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Refinance

Est. cash available

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Rent

$3,519/mo

Redfin rental estimate

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Market trends in 80503, CO

Last updated August 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

98.4%

0.3% MoM

Median sale price

$747K

$10K MoM

Avg. days on market

43d

0 days MoM

Recently sold homes

164

7 MoM

New listings for sale

NEW 9 HRS AGO
$449,000
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OPEN SUN, 1PM TO 3PM
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4130 Arezzo Dr, Longmont, CO 80503
$391,000
2 beds2 baths1,152 sq ft
8060 Niwot Rd #26, Niwot, CO 80503
Laura Gilsdorf • Madison & Company Properties
3D WALKTHROUGH
$845,000
5 beds3 baths4,184 sq ft
1628 Naples Ln, Longmont, CO 80503
3D WALKTHROUGH
$675,000
5 beds3 baths2,870 sq ft
3451 Larkspur Dr, Longmont, CO 80503
Christopher Martinez • RE/MAX Alliance
3D WALKTHROUGH
$758,000
5 beds4 baths3,347 sq ft
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Patrice E Winans • Coldwell Banker Realty - NoCo
$765,000
3 beds2.5 baths2,384 sq ft
9204 Anhawa Ave, Longmont, CO 80503
$875,000
1 bed2 baths1,682 sq ft
2450 Eagle Ridge Rd, Lyons, CO 80540
$539,900
4 beds3.5 baths3,330 sq ft
671 Robert St #671, Longmont, CO 80503
VIDEO TOUR
$900,000
4 beds3 baths3,571 sq ft
2140 Lombardy St, Longmont, CO 80503
Mike Gebhardt • Coldwell Banker Realty 14
See all

Provided by Redfin

Sale history for 8829 Marathon Rd

Date

Event

Price

IRES as Distributed by MLS Grid #943158

Sep 3, 2021

Sold

$1,175,000

$376/sq ft

Aug 8, 2021

Pending

—

Jul 31, 2021

Contingent

—

Jul 21, 2021

Price Changed

$1,125,000

$360/sq ft

Jul 7, 2021

Price Changed

$1,175,000

$376/sq ft

Jun 15, 2021

Listed

$1,225,000

$392/sq ft

Public Records

Jun 13, 2016

Sold

$629,500

$201/sq ft

IRES as Distributed by MLS Grid #761854

Aug 18, 2015

Listing Removed

—

Jul 19, 2015

Price Changed

$588,900

$188/sq ft

Jul 9, 2015

Price Changed

$590,000

$189/sq ft

Jun 9, 2015

Price Changed

$595,000

$190/sq ft

Apr 30, 2015

Listed

$599,000

$191/sq ft

Public Records

Jul 29, 1977

Sold

$74,000

$24/sq ft

Public Records

Jan 24, 1977

Sold

$65,000

$21/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$8,633 (+3.7%)

$40,138 + $39,806

$79,944

2024

$8,327 (+1.3%)

$40,138 + $39,806

$79,944

2023

$8,217 (+60.7%)

$33,487 + $51,168

$84,655

2022

$5,113 (−1.3%)

$37,172 + $51,168

$88,340

2021

$5,181 (+8.0%)

$33,499 + $16,660

$50,159

2020

$4,795 (+0.3%)

$34,463 + $17,140

$51,603

2019

$4,778 (+15.5%)

$25,812 + $22,065

$47,877

2018

$4,136 (+6.5%)

$25,812 + $22,065

$47,877

2017

$3,885 (+47.2%)

$20,088 + $21,650

$41,738

2016

$2,640 (+5.0%)

$20,088 + $21,650

$41,738

2015

$2,515 (+12.4%)

$23,960 + $11,669

$35,629

2014

$2,237 (−17.0%)

$9,074 + $22,909

$31,983

2013

$2,695 (+30.7%)

$9,074 + $22,909

$31,983

2012

$2,062 (−21.0%)

$9,074 + $22,909

$31,983

2011

$2,608 (−7.5%)

$10,905 + $19,263

$30,168

2010

$2,820 (+1.7%)

$10,905 + $19,263

$30,168

2009

$2,774

$28,740 + $4,220

$32,960

Tax history for 8829 Marathon Rd

Year

Property tax

Land + Additions

Assessment*

2025

$8,633 (+3.7%)

$40,138 + $39,806

$79,944

2024

$8,327 (+1.3%)

$40,138 + $39,806

$79,944

2023

$8,217 (+60.7%)

$33,487 + $51,168

$84,655

2022

$5,113 (−1.3%)

$37,172 + $51,168

$88,340

2021

$5,181 (+8.0%)

$33,499 + $16,660

$50,159

2020

$4,795 (+0.3%)

$34,463 + $17,140

$51,603

2019

$4,778 (+15.5%)

$25,812 + $22,065

$47,877

2018

$4,136 (+6.5%)

$25,812 + $22,065

$47,877

2017

$3,885 (+47.2%)

$20,088 + $21,650

$41,738

2016

$2,640 (+5.0%)

$20,088 + $21,650

$41,738

2015

$2,515 (+12.4%)

$23,960 + $11,669

$35,629

2014

$2,237 (−17.0%)

$9,074 + $22,909

$31,983

2013

$2,695 (+30.7%)

$9,074 + $22,909

$31,983

2012

$2,062 (−21.0%)

$9,074 + $22,909

$31,983

2011

$2,608 (−7.5%)

$10,905 + $19,263

$30,168

2010

$2,820 (+1.7%)

$10,905 + $19,263

$30,168

2009

$2,774

$28,740 + $4,220

$32,960

*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

Baths

Stories

Lot width

—

Lot depth

—

Lot size

1.03 Acres

Year renovated

2010

Sq. Ft.

3,128

Year built

1968

Style

Single Family Residential

County

Boulder County

APN

R0057031

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

Property details

Parking

Parking Features
Covered Spaces: 2
Garage: Yes
Attached Garage: Yes
Garage Spaces: 2
Parking Features: RV/Boat Parking

Interior

Bathroom Information
Bathrooms (Full): 0
Bathrooms (Half): 0
Bathrooms (Three Quarter): 3

Bedroom Information
Bedrooms Total: 5

Heating & Cooling
Cooling: Yes
Whole House Fan
Heating: Yes
Hot Water

Interior Features
Accessibility Features: Level Drive, Main Floor Bath, Main Level Bedroom
Gas Range/Oven, Double Oven, Dishwasher, Refrigerator, Washer, Dryer, Microwave
Fireplace: Yes
Fireplace Features: 2+ Fireplaces, Gas, Living Room, Family/Recreation Room Fireplace
Flooring: Wood Floors
High Speed Internet, Separate Dining Room, Cathedral/Vaulted Ceilings, Open Floorplan, Pantry
Laundry Features: Washer/Dryer Hookups, In Basement

Room Information
Basement: Full, Walk-Out Access

Exterior

Exterior Features
Fencing: Partial
Patio and Porch Features: Patio
Roof: Composition

Lot Information
Horse(s): No
Lot Features: Lawn Sprinkler System
Other Structures: Workshop, Storage
Zoning: RR

Property Information
Property Type: Residential
View: Yes
Waterfront: No

Subdivision Information
Subdivision Name: Morton Heights
MLS Area Major: Suburban Plains

Building Information
Above Grade Finished Area: 1564
Below Grade Finished Area: 1564
Building Area Total: 1564
Construction Materials: Brick/Brick Veneer

Financial

Tax Information
Parcel Number: R0057031
Tax Annual Amount: 4795
Tax Year: 2020

Financial Information
Listing Terms: Cash, Conventional

Utilities

Utility Information
Utilities: Natural Gas Available, Electricity Available, Cable Available
Electric: Electric,Xcel Energy
Gas: Natural Gas,Xcel Energy
Sewer: District Sewer

Location

HOA Information
Association: No

School Information
High School District: ST Vrain Dist RE 1J
Elementary School: Niwot
Middle or Junior School: Sunset Middle
High School: Niwot

Location Information
Directions: From Niwot Road, turn South onto Walker Ave, then left onto Marathon Road. The house will be the first on your left.
Unparsed Address: 8829 Marathon Rd Niwot CO 80503
Street Number: 8829
Street Name: Marathon
Street Suffix: Rd
City: Niwot
State or Province: CO
County or Parish: Boulder
Country: US
Postal Code: 80503
Coordinates: -105.146842,40.098696
Latitude: 40.098696
Longitude: -105.146842

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 3,128
Stories: 1.0
Lot Size: 1.03 acres
Style: Single Family Residential
Year Built: 1968
Year Renovated: 2010
County: Boulder County
APN: R0057031

Home facts updated by county records on Sep 2, 2026

Other

Miscellaneous Information
Exclusions: storage pods/trailers, business inventory, cherry shelves in basement, lawn mower

Listing Information
Attribution Contact: 3032498402
Close Price: $1,175,000
Photos Count: 33
Special Listing Conditions: Private Owner
Standard Status: Closed

Listing Date Information
Close Date: Friday, September 3, 2021
Cumulative Days on Market: 55
Days on Market: 55
Listing Contract Date: Tuesday, June 15, 2021
Modification Timestamp: Thursday, August 1, 2024 11:57 AM

Home Information
Window Features: Window Coverings
Year Built: 1968

Around this home

Schools

Niwot Elementary School

Public PreK-5 • Assigned • 0.1mi

10/10

Sunset Middle School

Public 6-8 • Assigned • 3.5mi

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

3% 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)

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

$1.31M – $1.59M

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New listings for sale in 80503

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Patrice E Winans • Coldwell Banker Realty - NoCo

$765,000

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Home values near 8829 Marathon Rd

Data from public records.

Address	Redfin Estimate
8930 Marathon Rd, Niwot, CO 5 Beds \| 3 Baths \| 3040 Sq. Ft.	$1,111,952
8861 Marathon Rd, Niwot, CO 5 Beds \| 3 Baths \| 3851 Sq. Ft.	$1,552,659

Address	Redfin Estimate
8820 Marathon Rd, Niwot, CO 3 Beds \| 2 Baths \| 2086 Sq. Ft.	$907,497
8840 Marathon Rd, Niwot, CO 5 Beds \| 3 Baths \| 2884 Sq. Ft.	$1,079,765

Address	Redfin Estimate
8885 Marathon Rd, Niwot, CO 3 Beds \| 3 Baths \| 2414 Sq. Ft.	$1,166,165
8925 Marathon Rd, Niwot, CO 2 Beds \| 2 Baths \| 2100 Sq. Ft.	$801,174

Property information provided by IRES as Distributed by MLS Grid when last listed in 2021. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 80503, CO

Sale history for 8829 Marathon Rd

Tax history for 8829 Marathon Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 80503

Home values near 8829 Marathon Rd

More real estate resources