Google satellite image for 343 Old Townsite Rd, Boulder, CO 80302

Off market

$815,103

•

2.5 ba

•

2,038

sq ft

343 Old Townsite Rd, Boulder, CO 80302

About this home

343 Old Townsite Rd is a 2,038 square foot house on a 5.02 acre lot with 3 bedrooms and 2.5 bathrooms. Based on Redfin's Boulder data, we estimate the home's value is $815,103.

Single-familyProperty Type

1977Year Built

5.02 acresLot Size

$400Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$815,103

$20K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.9% lower than the average sale price ($946K) of 6 comparable homes.

SOLD OCT 9, 2026
$1,159,000
A
3 beds3 baths2,777 sq ft
1362 Lost Angel Rd, Boulder, CO 80302
SOLD SEP 8, 2026
$935,000
B
3 beds2 baths2,422 sq ft
8238 Sugarloaf Rd, Boulder, CO 80302
SOLD MAY 22, 2026
$813,000
C
3 beds3 baths3,311 sq ft
3907 Ridge Rd, Nederland, CO 80466
SOLD JUL 6, 2026
$1,350,000
D
3 beds3 baths3,044 sq ft
31 Wild Tiger Ln, Boulder, CO 80302
Listing provided by metrolistCO
SOLD SEP 18, 2026
$725,000
E
3 beds2 baths2,244 sq ft
1650 Lazy Z Rd, Nederland, CO 80466
SOLD JUN 3, 2026
$695,000
F
3 beds2 baths1,329 sq ft
1213 Primos Rd, Boulder, CO 80302

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Earn from this home

Sell

$766,231

Est. take-home

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Rent

$4,459/mo

Redfin rental estimate

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Market trends in 80302, CO

Last updated October 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

96.0%

+0.7% MoM

Median sale price

$1.1M

$26K MoM

Avg. days on market

68d

5 days MoM

Recently sold homes

8 MoM

New listings for sale

NEW 6 HRS AGO
$4,200,000
21 beds10 baths7,400 sq ft
1631 19th St, Boulder, CO 80302
NEW 10 HRS AGO
$1,200,000
5 beds4 baths3,803 sq ft
6186 Sunshine Canyon Dr, Boulder, CO 80302
Jeptha Sheene • Compass Colorado, LLC - Boulder
$1,399,000
2 beds2.5 baths1,457 sq ft
2465 Walnut St #5, Boulder, CO 80302
COMING SOON
$1,425,000
3 beds2 baths3,169 sq ft
91 Lost Angel Rd, Boulder, CO 80302
VIDEO TOUR
$1,395,000
2 beds2.5 baths1,600 sq ft
2465 Walnut St #13, Boulder, CO 80302
OPEN SAT, 10AM TO 12PM
$3,950,000
5 beds5 baths3,364 sq ft
435 University Ave, Boulder, CO 80302
3D & VIDEO TOUR
$2,825,000
4 beds4 baths3,826 sq ft
2128-2130 11th St, Boulder, CO 80302
Jordan Schwartz • Engel & Volkers Denver
$1,690,000
2 beds2.5 baths2,181 sq ft
1655 Walnut St #309, Boulder, CO 80302
OPEN SAT, 12PM TO 2PM
$1,299,000
3 beds3 baths2,908 sq ft
6252 Olde Stage Rd, Boulder, CO 80302
Laura Melquist • Real Broker, LLC DBA Real
$425,000
1 bed2 baths993 sq ft
1850 Folsom St #201, Boulder, CO 80302
See all

Provided by Redfin

Sale history for 343 Old Townsite Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$4,229 (+2.5%)

$17,700 + $34,131

$51,831

2024

$4,124 (+1.8%)

$17,700 + $34,131

$51,831

2023

$4,051 (+10.0%)

$13,333 + $41,714

$55,047

2022

$3,681 (+5.5%)

$17,018 + $41,714

$58,732

2021

$3,488 (+23.6%)

$14,769 + $32,950

$47,719

2020

$2,823 (+1.6%)

$15,194 + $33,898

$49,092

2019

$2,778 (+10.9%)

$15,659 + $25,046

$40,705

2018

$2,506 (+3.0%)

$15,659 + $25,046

$40,705

2017

$2,432 (+3.6%)

$10,152 + $27,310

$37,462

2016

$2,348 (+6.1%)

$10,152 + $27,310

$37,462

2015

$2,213 (−4.4%)

$12,418 + $23,896

$36,314

2014

$2,316 (+2.4%)

$7,005 + $20,624

$27,629

2013

$2,262 (−11.2%)

$7,005 + $20,624

$27,629

2012

$2,548 (+7.6%)

$7,005 + $20,624

$27,629

2011

$2,369 (−15.2%)

$12,020 + $19,343

$31,363

2010

$2,792 (+6.8%)

$12,020 + $19,343

$31,363

2009

$2,615

$18,550 + $18,310

$36,860

Tax history for 343 Old Townsite Rd

Year

Property tax

Land + Additions

Assessment*

2025

$4,229 (+2.5%)

$17,700 + $34,131

$51,831

2024

$4,124 (+1.8%)

$17,700 + $34,131

$51,831

2023

$4,051 (+10.0%)

$13,333 + $41,714

$55,047

2022

$3,681 (+5.5%)

$17,018 + $41,714

$58,732

2021

$3,488 (+23.6%)

$14,769 + $32,950

$47,719

2020

$2,823 (+1.6%)

$15,194 + $33,898

$49,092

2019

$2,778 (+10.9%)

$15,659 + $25,046

$40,705

2018

$2,506 (+3.0%)

$15,659 + $25,046

$40,705

2017

$2,432 (+3.6%)

$10,152 + $27,310

$37,462

2016

$2,348 (+6.1%)

$10,152 + $27,310

$37,462

2015

$2,213 (−4.4%)

$12,418 + $23,896

$36,314

2014

$2,316 (+2.4%)

$7,005 + $20,624

$27,629

2013

$2,262 (−11.2%)

$7,005 + $20,624

$27,629

2012

$2,548 (+7.6%)

$7,005 + $20,624

$27,629

2011

$2,369 (−15.2%)

$12,020 + $19,343

$31,363

2010

$2,792 (+6.8%)

$12,020 + $19,343

$31,363

2009

$2,615

$18,550 + $18,310

$36,860

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

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: 2
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Electric

Room Information
# of Rooms: 7

Exterior

Exterior Information
Physical Condition: Average
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Frame Wood
Building Type: Single Family

Property Information
Subdivision Name: SUGARLOAF AREA
Living Sq. Ft: 2,038
Ground Floor Sq. Ft: 1,206
Building Sq. Ft: 2,662
Stories Type: 2 Plus
Legal Description: SWLY PT ANCHOR LD 469 SWLY PT WALKER LD 18684 SUGARLOAF M D 4.5 ACS PER DEED 1065427 9/21/90 BCR

Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 624
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 218,832
Municipality Name: MOUNTAIN
Acres: 5.0237
Zoning Code: F
County Use Description: 1 FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025
Tax Area: RE2-SLFPD

Public facts

Beds: 3
Baths: 2.5
Sq. Ft.: 2,038
Stories: —
Lot Size: 5.02 acres
Style: Single Family Residential
Year Built: 1977
Year Renovated: 1980
County: Boulder County
APN: R0028663

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

K - 12
Preschool & daycare

Flatirons Elementary School

Public K-5 • Assigned • 6.8mi

8/10

Casey Middle School

Public 6-8 • Assigned • 7.1mi

5/10

Boulder High School

Public 9-12 • Assigned • 7.2mi

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

4/10 Fire Factor

2% chance of being in a wildfire in next 30 years

1/10 Heat Factor

7 days above 83° expected this year, 18 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, 2 days in 30 years

Provided by First Street

Historical weather

Boulder, CO • 80302

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 10.1 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

$775,000 – $938,000

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New listings for sale in 80302

NEW 6 HRS AGO3D WALKTHROUGH

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NEW 10 HRS AGO

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Listing provided by REColorado as Distributed by MLS Grid

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COMING SOON

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VIDEO TOUR

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OPEN SAT, 10AM TO 12PMVIDEO TOUR

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3D & VIDEO TOUR

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Listing provided by REColorado as Distributed by MLS Grid

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1655 Walnut St #309, Boulder, CO 80302

12' island • Quartz countertops • Main floor deck

OPEN SAT, 12PM TO 2PM3D WALKTHROUGH

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Listing provided by REColorado as Distributed by MLS Grid

Home values near 343 Old Townsite Rd

Data from public records.

Address	Redfin Estimate
65 Old Townsite Rd, Boulder, CO 2 Beds \| 2 Baths \| 1594 Sq. Ft.	$719,836
61 Old Townsite Rd, Boulder, CO 2 Beds \| 1 Baths \| 1480 Sq. Ft.	$756,903
4747 Sugarloaf Rd, Boulder, CO 3 Beds \| 3 Baths \| 3689 Sq. Ft.	$1,326,135
4811 Sugarloaf Rd, Boulder, CO 1 Beds \| 1.5 Baths \| 1472 Sq. Ft.	$701,408
35 Owl Creek Rd, Boulder, CO 3 Beds \| 3 Baths \| 3475 Sq. Ft.	$921,538
234 Owl Creek Rd, Boulder, CO 2 Beds \| 1 Baths \| 1744 Sq. Ft.	$711,181

Address	Redfin Estimate
345 Old Townsite Rd, Boulder, CO 3 Beds \| 2 Baths \| 2160 Sq. Ft.	$851,275
57 Old Townsite Rd, Boulder, CO 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$978,025
4841 Sugarloaf Rd, Boulder, CO 3 Beds \| 1 Baths \| 1524 Sq. Ft.	$538,678
4843 Sugarloaf Rd, Boulder, CO 1 Beds \| 1 Baths \| 1536 Sq. Ft.	$564,424
360 North Gulch Rd, Boulder, CO 4 Beds \| 3 Baths \| 1920 Sq. Ft.	$951,206
4291 Sugarloaf Rd, Boulder, CO 2 Beds \| 1 Baths \| 682 Sq. Ft.	$526,987

Address	Redfin Estimate
53 Old Townsite Rd, Boulder, CO 3 Beds \| 2 Baths \| 2643 Sq. Ft.	$871,793
341 Old Townsite Rd, Boulder, CO - Beds \| - Baths \| 144 Sq. Ft.	$389,795
4809 Sugarloaf Rd, Boulder, CO 4 Beds \| 3 Baths \| 3068 Sq. Ft.	$1,295,712
320 North Gulch Rd, Boulder, CO 2 Beds \| 2 Baths \| 1647 Sq. Ft.	$871,942
239 Owl Creek Rd, Boulder, CO 2 Beds \| 1 Baths \| 897 Sq. Ft.	$638,406
107 Owl Creek Rd, Boulder, CO 3 Beds \| 3 Baths \| 4727 Sq. Ft.	$1,209,053

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About this home

Redfin Estimate

Earn from this home

Market trends in 80302, CO

Sale history for 343 Old Townsite Rd

Tax history for 343 Old Townsite Rd

Zoning

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 80302

Home values near 343 Old Townsite Rd

More real estate resources