Google satellite image for 128 Old Post Office Rd, Boulder, CO 80302

Off market aug 1988 for $230K

$1,337,102

Est. refi paymentEst. refi $1,539/mo

•

4 ba

•

3,986

sq ft

128 Old Post Office Rd, Boulder, CO 80302

About this home

128 Old Post Office Rd is a 3,986 square foot house on a 3.94 acre lot with 3 bedrooms and 4 bathrooms. - it last sold on August 29, 1988 for $230,000. Based on Redfin's Boulder data, we estimate the home's value is $1,337,102.

Single-familyProperty Type

1984Year Built

3.94 acresLot Size

$335Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,337,102

$1.1M since sold in August 1988$28K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 28.3% higher than the average sale price ($1.04M) 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 AUG 14, 2026
$835,000
B
3 beds4 baths3,494 sq ft
402 Broken Fence Rd, Boulder, CO 80302
Listing provided by metrolistCO
SOLD MAY 22, 2026
$813,000
C
3 beds3 baths3,311 sq ft
3907 Ridge Rd, Nederland, CO 80466
SOLD OCT 26, 2026
$699,000
D
3 beds4 baths3,555 sq ft
1784 Deer Trail Rd, Boulder, CO 80302
Listing provided by metrolistCO
SOLD SEP 14, 2026
$1,197,468
E
3 beds4 baths3,267 sq ft
1197 Weaver Dr, Boulder, CO 80302
SOLD JUL 28, 2026
$1,550,000
F
3 beds3 baths4,146 sq ft
1689 County Road 83, Boulder, CO 80302

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Sell

$1,258,268

Est. take-home

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Est. cash available

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Rent

$6,772/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

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$4,200,000
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NEW 9 HRS AGO
$1,200,000
5 beds4 baths3,803 sq ft
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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
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OPEN SAT, 10AM TO 12PM
$3,950,000
5 beds5 baths3,364 sq ft
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3D & VIDEO TOUR
$2,825,000
4 beds4 baths3,826 sq ft
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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
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Laura Melquist • Real Broker, LLC DBA Real
$425,000
1 bed2 baths993 sq ft
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See all

Provided by Redfin

Sale history for 128 Old Post Office Rd

Year

Property tax

Land + Additions

Assessment*

2025

$7,323 (−4.4%)

$17,725 + $67,456

$85,181

2024

$7,662 (+1.8%)

$17,725 + $67,456

$85,181

2023

$7,525 (+13.4%)

$13,849 + $82,671

$96,520

2022

$6,637 (+5.5%)

$17,534 + $82,671

$100,205

2021

$6,289 (+36.6%)

$14,797 + $65,664

$80,461

2020

$4,603 (+1.6%)

$15,222 + $67,553

$82,775

2019

$4,530 (+10.3%)

$15,230 + $46,632

$61,862

2018

$4,106 (+3.0%)

$15,230 + $46,632

$61,862

2017

$3,986 (+12.5%)

$9,864 + $46,930

$56,794

2016

$3,542 (+6.1%)

$9,864 + $46,930

$56,794

2015

$3,338 (−14.0%)

$11,144 + $39,585

$50,729

2014

$3,881 (+19.2%)

$12,410 + $41,846

$54,256

2013

$3,256 (+16.7%)

$12,410 + $41,846

$54,256

2012

$2,792 (−1.3%)

$10,918 + $36,822

$47,740

2011

$2,829 (−37.6%)

$9,679 + $32,644

$42,323

2010

$4,535 (+6.8%)

$8,568 + $28,890

$37,458

2009

$4,247

$17,670 + $42,190

$59,860

Tax history for 128 Old Post Office Rd

Year

Property tax

Land + Additions

Assessment*

2025

$7,323 (−4.4%)

$17,725 + $67,456

$85,181

2024

$7,662 (+1.8%)

$17,725 + $67,456

$85,181

2023

$7,525 (+13.4%)

$13,849 + $82,671

$96,520

2022

$6,637 (+5.5%)

$17,534 + $82,671

$100,205

2021

$6,289 (+36.6%)

$14,797 + $65,664

$80,461

2020

$4,603 (+1.6%)

$15,222 + $67,553

$82,775

2019

$4,530 (+10.3%)

$15,230 + $46,632

$61,862

2018

$4,106 (+3.0%)

$15,230 + $46,632

$61,862

2017

$3,986 (+12.5%)

$9,864 + $46,930

$56,794

2016

$3,542 (+6.1%)

$9,864 + $46,930

$56,794

2015

$3,338 (−14.0%)

$11,144 + $39,585

$50,729

2014

$3,881 (+19.2%)

$12,410 + $41,846

$54,256

2013

$3,256 (+16.7%)

$12,410 + $41,846

$54,256

2012

$2,792 (−1.3%)

$10,918 + $36,822

$47,740

2011

$2,829 (−37.6%)

$9,679 + $32,644

$42,323

2010

$4,535 (+6.8%)

$8,568 + $28,890

$37,458

2009

$4,247

$17,670 + $42,190

$59,860

*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: 4

Room Information
# of Rooms: 7

Exterior

Exterior Information
Physical Condition: Very Good
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Log
Building Type: Single Family

Property Information
Subdivision Name: SUGARLOAF AREA
Living Sq. Ft: 3,986
Ground Floor Sq. Ft: 2,627
Building Sq. Ft: 4,538
Stories Type: 2 Plus
Legal Description: LOT 43 25-1N-72 PER DEED 938916 08/29/88 BCR TOTAL 4.17 ACS M/L SEE ID 27554

Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 552
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 171,778
Legal Lot Number: 43
Municipality Name: MOUNTAIN
Acres: 3.9435
Zoning Code: F
County Use Description: 1 FAMILY RESID

Financial

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

Public facts

Beds: 3
Baths: 4.0
Sq. Ft.: 3,986
Stories: —
Lot Size: 3.94 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1984
County: Boulder County
APN: R0069084

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 • 6.3mi

8/10

Casey Middle School

Public 6-8 • Assigned • 6.5mi

5/10

Boulder High School

Public 9-12 • Assigned • 6.7mi

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

3% chance of being in a wildfire in next 30 years

1/10 Heat Factor

4 days above 83° expected this year, 11 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

$1.27M – $1.54M

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New listings for sale in 80302

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NEW 9 HRS AGO

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Listing provided by REColorado as Distributed by MLS Grid

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OPEN SAT, 12PM TO 2PM3D WALKTHROUGH

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Listing provided by REColorado as Distributed by MLS Grid

Home values near 128 Old Post Office Rd

Data from public records.

Address	Redfin Estimate
223 Old Post Office Rd, Boulder, CO 3 Beds \| 3 Baths \| 2105 Sq. Ft.	$940,918
124 Old Post Office Rd, Boulder, CO 3 Beds \| 2 Baths \| 1683 Sq. Ft.	$1,012,705
134 Old Post Office Rd, Boulder, CO 4 Beds \| 4 Baths \| 4738 Sq. Ft.	$1,562,872
136 Old Post Office Rd, Boulder, CO 3 Beds \| 3.5 Baths \| 4440 Sq. Ft.	$2,703,327
4211 Sugarloaf Rd, Boulder, CO 4 Beds \| 3.5 Baths \| 3340 Sq. Ft.	$2,511,106
39 Labelle Rd, Boulder, CO 2 Beds \| 2 Baths \| 1815 Sq. Ft.	$835,286
1670 Lost Angel Rd, Boulder, CO 2 Beds \| 2 Baths \| 1952 Sq. Ft.	$981,710

Address	Redfin Estimate
122 Old Post Office Rd, Boulder, CO 2 Beds \| 3 Baths \| 2391 Sq. Ft.	$930,177
126 Old Post Office Rd, Boulder, CO 2 Beds \| 2 Baths \| 1860 Sq. Ft.	$904,876
234 Old Post Office Rd, Boulder, CO 1 Beds \| 1 Baths \| 796 Sq. Ft.	$493,364
3719 Sugarloaf Rd, Boulder, CO 3 Beds \| 3 Baths \| 2915 Sq. Ft.	$1,072,971
625 Labelle Rd, Boulder, CO 3 Beds \| 2 Baths \| 4040 Sq. Ft.	$1,126,533
4147 Sugarloaf Rd, Boulder, CO 4 Beds \| 2.5 Baths \| 3368 Sq. Ft.	$1,000,845
3660 Sugarloaf Rd, Boulder, CO 4 Beds \| 2.5 Baths \| 4442 Sq. Ft.	—

Address	Redfin Estimate
58 Old Post Office Rd, Boulder, CO 3 Beds \| 1 Baths \| 1978 Sq. Ft.	$811,842
130 Old Post Office Rd, Boulder, CO 4 Beds \| 3.5 Baths \| 3846 Sq. Ft.	$1,505,970
78 Old Post Office Rd, Boulder, CO 2 Beds \| 2 Baths \| 1685 Sq. Ft.	$786,471
350 Labelle Rd, Boulder, CO 3 Beds \| 3 Baths \| 2696 Sq. Ft.	$1,283,341
3826 Sugarloaf Rd, Boulder, CO 1 Beds \| 1 Baths \| 604 Sq. Ft.	$564,378
3962 Sugarloaf Rd, Boulder, CO 3 Beds \| 2 Baths \| 2500 Sq. Ft.	$987,029
3820 Sugarloaf Rd, Boulder, CO 3 Beds \| 2 Baths \| 1394 Sq. Ft.	$1,080,280

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About this home

Redfin Estimate

Earn from this home

Market trends in 80302, CO

Sale history for 128 Old Post Office Rd

Tax history for 128 Old Post Office 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 128 Old Post Office Rd

More real estate resources