Google street view image for 4120 Agency Loop, Triangle, VA 22172

Off Market Jul 2010 for $410K

$704,480

•

3,255

sq ft

4120 Agency Loop, Triangle, VA 22172

About this home

Single-familyProperty Type

2007Year Built

7,501 sq ftLot Size

$216Est. Price/Sq.Ft.

2 car garageParking

Listed by Mary McCarron • RE/MAX Gateway

•703-754-1770 (broker)

•scottmacdonald@remax.net (broker)

Listed by Dawn Laughlin • RE/MAX Gateway

•703-754-1770 (broker)

•scottmacdonald@remax.net (broker)

Bought with Mike Unruh • CENTURY 21 New Millennium

•703-922-4010 (broker)

•kyle.crawford@c21nm.com (broker)

Redfin checked: 2 minutes ago

•Source:BRIGHT MLS #1004772430

Redfin Estimate

$704,480

$294K since sold in July 2010$14K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.2% higher than the average sale price ($682K) of 5 comparable homes.

SOLD JUL 30, 2026
$599,999
A
4 beds3.5 baths2,788 sq ft
3726 Katie Pl, Triangle, VA 22172
SOLD AUG 11, 2026
$685,000
B
4 beds3.5 baths2,471 sq ft
4109 Presidential Hill Loop, Dumfries, VA 22025
SOLD APR 10, 2026
$735,000
C
4 beds3.5 baths4,259 sq ft
4185 Agency Loop, Triangle, VA 22172
SOLD MAR 12, 2026
$742,000
D
4 beds3.5 baths4,362 sq ft
4169 Agency Loop, Triangle, VA 22172
SOLD AUG 11, 2026
$650,000
E
4 beds2.5 baths2,788 sq ft
18849 Beaten Path Ct, Triangle, VA 22172

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Earn from this home

Sell

$462,958

Est. take-home

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Rent

$3,757/mo

Redfin rental estimate

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Market trends in 22172, VA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.2%

0.1% MoM

Median sale price

$502K

$45K MoM

Avg. days on market

40d

1 days MoM

Recently sold homes

0 MoM

New listings for sale

COMING SOON
$450,000
3 beds2 baths1,273 sq ft
3932 Oakdale Cir, Triangle, VA 22172
(540) 659-2161
$320,000
3 beds2.5 baths1,813 sq ft
3723 Tavern Way, Triangle, VA 22172
(202) 547-3525
LISTED BY REDFIN
$729,900
4 beds3.5 baths3,310 sq ft
18604 Cabin Rd, Triangle, VA 22172
$610,000
4 beds2.5 baths3,130 sq ft
3722 Katie Pl, Triangle, VA 22172
(540) 659-8633
$709,000
4 beds2.5 baths2,640 sq ft
3237 Riverview Dr, Triangle, VA 22172
(703) 986-5700
COMING SOON
$425,000
4 beds2 baths1,700 sq ft
3179 Oakmont Ave, Triangle, VA 22172
(540) 659-2141
See all

Provided by Redfin

Sale history for 4120 Agency Loop

** Price available after signing in.

Year

Property tax

Land + Additions

Assessment*

2025

$6,241 (+4.4%)

$241,700 + $394,800

$636,500

2024

$5,977 (−0.8%)

$228,100 + $372,900

$601,000

2023

$6,028 (+0.1%)

$219,300 + $360,000

$579,300

2022

$6,019 (+9.2%)

$203,000 + $336,500

$539,500

2021

$5,512 (−17.1%)

$172,000 + $285,000

$457,000

2020

$6,650 (−1.0%)

$160,800 + $268,200

$429,000

2019

$6,716 (+4.2%)

$162,400 + $270,900

$433,300

2018

$6,445 (+16,274.2%)

$154,600 + $261,200

$415,800

2017

$39 (+0.9%)

$150,100 + $254,600

$404,700

2016

$39 (+2.6%)

$147,200 + $249,900

$397,100

2014

$38 (−99.2%)

$138,800 + $234,500

$373,300

2013

$4,760 (−3.8%)

$138,800 + $240,100

$378,900

2012

$4,949 (+17.2%)

$137,400 + $239,200

$376,600

2010

$4,221 (+7.2%)

$119,300 + $207,900

$327,200

2009

$3,938 (−0.1%)

$110,400 + $195,100

$305,500

2008

$3,943

$138,100 + $244,700

$382,800

Tax history for 4120 Agency Loop

Year

Property tax

Land + Additions

Assessment*

2025

$6,241 (+4.4%)

$241,700 + $394,800

$636,500

2024

$5,977 (−0.8%)

$228,100 + $372,900

$601,000

2023

$6,028 (+0.1%)

$219,300 + $360,000

$579,300

2022

$6,019 (+9.2%)

$203,000 + $336,500

$539,500

2021

$5,512 (−17.1%)

$172,000 + $285,000

$457,000

2020

$6,650 (−1.0%)

$160,800 + $268,200

$429,000

2019

$6,716 (+4.2%)

$162,400 + $270,900

$433,300

2018

$6,445 (+16,274.2%)

$154,600 + $261,200

$415,800

2017

$39 (+0.9%)

$150,100 + $254,600

$404,700

2016

$39 (+2.6%)

$147,200 + $249,900

$397,100

2014

$38 (−99.2%)

$138,800 + $234,500

$373,300

2013

$4,760 (−3.8%)

$138,800 + $240,100

$378,900

2012

$4,949 (+17.2%)

$137,400 + $239,200

$376,600

2010

$4,221 (+7.2%)

$119,300 + $207,900

$327,200

2009

$3,938 (−0.1%)

$110,400 + $195,100

$305,500

2008

$3,943

$138,100 + $244,700

$382,800

*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

3.5

Stories

Lot width

—

Lot depth

—

Lot size

7,501 Sq. Ft.

Year renovated

2007

Sq. Ft.

3,545

Year built

2007

Style

Single Family Residential

County

Prince William County

APN

8188-56-4985

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 26, 2026.

R-4C

Suburba Residential Cluster District

The R-4 district is intended to implement the suburban residential-low, suburban residential-moderate, and community employment center land use classifications of the Comprehensive Plan. This district is designed to provide for and encourage development of quality one-family dwellings at a low to moderate suburban density of approximately four dwelling units per acre or less.

Permitted uses

Include but are not limited to:

Housing-Group
Housing-Single unit
Office

Property details

Parking

Parking Information
# of Attached Garage Spaces: 2
# of Total Garage and Parking Spaces: 2
Has Garage
# of Garage Spaces: 2
Garage
Attached Garage

Interior

Bedroom Information
# of Bedrooms On 1st Upper Level: 4

Bathroom Information
# of Bathrooms (Full) On 1st Upper Level: 2
# of Bathrooms (Half) On Main Level: 1
# of Bathrooms (Half): 1
# of Bathrooms (Full): 2

Interior Information
Appliances: Dishwasher, Microwave, Oven/Range - Gas, Refrigerator
Entry Location: Foyer
Interior Features: Breakfast Area, Dining Area
Living Area Sq.Ft. Source: Estimated

Room Information
Living Room, Dining Room, Master Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Kitchen, Family Room

Fireplace Information
Has Fireplace
# of Fireplaces: 1

Basement Information
Basement: Yes
Outside Entrance, Partially Finished, Walkout Level

Exterior

Property Information
Total Below Grade Sq. Ft.: 675
Improvement Assessed Value: $195,100
Ownership Interest: Fee Simple
Year Built Source: Estimated

Building Information
Builder Name: K HOVNANIAN
Construction Not Completed
Construction Materials: Combination, Brick, Vinyl Siding
Other Structures: Above Grade, Below Grade
Outdoor Living Structures: Porch(es)
Structure Type: Detached

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $110,400

Above Grade Information
Finished Sq.Ft.: 2,580
Finished Sq.Ft. Source: Estimated

Below Grade Information
Finished Sq.Ft.: 675
Finished Sq.Ft. Source: Estimated

Financial

Tax Information
County Tax: $3,702.66
Tax Assessed Value: $305,500
Tax Year: 2009
Tax Annual Amount: $3,938.20

Assessments Information
Special Assessment Payment: Annually
Year Assessed: 2009

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C
Cooling Fuel: Electric
Forced Air
Heating Fuel: Natural Gas
Hot Water: Natural Gas
Sewer Septic: Public Sewer
Water Source: Public

Location

Homeowners Association Information
HOA Fee: $50
HOA Fee Frequency: Monthly

Location Information
Directions: I-95 SOUTH TO EXIT 150A (619E/JOPLIN ROAD TOWARD TRIANGLE/QUANTICO) FOLLOW ROUTE 1 NORTH. MAKE A LEFT ONTO QUANTICO GATEWAY DRIVE. FOLLOW TO MODEL ON THE LEFT.

Public facts

Beds: 4
Baths: 3.5
Sq. Ft.: 3,545
Stories: 2.0
Lot Size: 7,501 square feet
Style: Single Family Residential
Year Built: 2007
Year Renovated: 2007
County: Prince William County
APN: 8188-56-4985

Home facts updated by county records on Aug 26, 2026

Around this home

Schools

Dumfries Elementary School

Public PreK-5 • Assigned • 1.1mi

4/10

Graham Park Middle School

Public 6-8 • Assigned • 0.9mi

4/10

Forest Park High School

Public 9-12 • Assigned • 4.3mi

7/10

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

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

8/10 Heat Factor

7 days above 104° expected this year, 16 days in 30 years

4/10 Wind Factor

18% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Triangle, VA • 22172

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 9.4 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

9.4 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$670,000 – $811,000

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New listings for sale in 22172

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Home values near 4120 Agency Loop

Data from public records.

Address	Redfin Estimate
4116 Agency Loop, Triangle, VA 6 Beds \| 5 Baths \| 4824 Sq. Ft.	$764,058
4129 Agency Loop, Triangle, VA 5 Beds \| 3.5 Baths \| 4914 Sq. Ft.	$735,851

Address	Redfin Estimate
4156 Agency Loop, Triangle, VA 4 Beds \| 4.5 Baths \| 3672 Sq. Ft.	$699,042
4164 Agency Loop, Triangle, VA 4 Beds \| 2.5 Baths \| 4620 Sq. Ft.	$720,782

Address	Redfin Estimate
4125 Agency Loop, Triangle, VA 5 Beds \| 4.5 Baths \| 4538 Sq. Ft.	$710,072
4160 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 3780 Sq. Ft.	$684,736

Property information provided by BRIGHT MLS when last listed in 2010. This data may not match . Learn more.

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