OFF MARKET

Off Market Apr 2016 for $431K

$741,654

Est. refi paymentEst. refi $3,168/mo

•

3,392

sq ft

4173 Agency Loop, Triangle, VA 22172

About this home

Single-familyProperty Type

2006Year Built

7,697 sq ftLot Size

$219Est. Price/Sq.Ft.

2 car garageParking

Listed by TREY EASLEY • Keller Williams Capital Properties

•703-964-1290 (broker)

Bought with Luisa Sipple • RE/MAX Executives

•703-879-0505 (broker)

Redfin checked: a few seconds ago

•Source:BRIGHT MLS #1000288839

Redfin Estimate

$741,654

$310K since sold in April 2016$7,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.3% higher than the average sale price ($672K) of 5 comparable homes.

SOLD APR 10, 2026
$735,000
A
4 beds3.5 baths4,259 sq ft
4185 Agency Loop, Triangle, VA 22172
SOLD MAR 12, 2026
$742,000
B
4 beds3.5 baths4,362 sq ft
4169 Agency Loop, Triangle, VA 22172
SOLD JUL 30, 2026
$599,999
C
4 beds3.5 baths2,788 sq ft
3726 Katie Pl, Triangle, VA 22172
SOLD JUN 16, 2026
$675,000
D
4 beds3.5 baths3,050 sq ft
3707 Turn Back Trl, Triangle, VA 22172
SOLD APR 30, 2026
$610,000
E
5 beds3.5 baths3,455 sq ft
4047 White Haven Dr, Dumfries, VA 22026

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Sell

$428,998

Est. take-home

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Est. cash available

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Rent

$4,294/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

99.8%

0.4% MoM

Median sale price

$515K

$9K MoM

Avg. days on market

44d

4 days MoM

Recently sold homes

1 MoM

New listings for sale

$450,000
3 beds2 baths1,273 sq ft
3932 Oakdale Cir, Triangle, VA 22172
(540) 659-2161
COMING SOON
$395,000
4 beds2 baths1,440 sq ft
19002 Red Oak Ln, Triangle, VA 22172
(703) 870-5371
LISTED BY REDFIN
$729,900
4 beds3.5 baths3,310 sq ft
18604 Cabin Rd, Triangle, VA 22172
$709,000
4 beds2.5 baths2,640 sq ft
3237 Riverview Dr, Triangle, VA 22172
(703) 986-5700
See all

Provided by Redfin

Sale history for 4173 Agency Loop

** Price available after signing in.

Year

Property tax

Land + Additions

Assessment*

2025

$6,908 (+4.4%)

$241,800 + $462,700

$704,500

2024

$6,613 (−0.9%)

$228,100 + $436,900

$665,000

2023

$6,671 (−0.9%)

$219,400 + $421,700

$641,100

2022

$6,730 (+14.9%)

$203,100 + $394,300

$597,400

2021

$5,856 (−15.9%)

$172,100 + $307,800

$479,900

2020

$6,967 (−0.8%)

$160,800 + $288,700

$449,500

2019

$7,025 (+4.5%)

$162,400 + $290,800

$453,200

2018

$6,719 (+29.2%)

$154,700 + $278,800

$433,500

2017

$5,200 (+2.9%)

$150,200 + $271,700

$421,900

2016

$5,056 (+3.0%)

$147,200 + $266,800

$414,000

2014

$4,908 (−2.0%)

$138,800 + $254,300

$393,100

2013

$5,006 (−3.7%)

$138,800 + $259,700

$398,500

2012

$5,200 (+17.0%)

$137,400 + $258,700

$396,100

2010

$4,443 (+8.1%)

$119,400 + $224,800

$344,200

2009

$4,110 (−0.4%)

$110,500 + $208,300

$318,800

2008

$4,125

$138,100 + $262,400

$400,500

Tax history for 4173 Agency Loop

Year

Property tax

Land + Additions

Assessment*

2025

$6,908 (+4.4%)

$241,800 + $462,700

$704,500

2024

$6,613 (−0.9%)

$228,100 + $436,900

$665,000

2023

$6,671 (−0.9%)

$219,400 + $421,700

$641,100

2022

$6,730 (+14.9%)

$203,100 + $394,300

$597,400

2021

$5,856 (−15.9%)

$172,100 + $307,800

$479,900

2020

$6,967 (−0.8%)

$160,800 + $288,700

$449,500

2019

$7,025 (+4.5%)

$162,400 + $290,800

$453,200

2018

$6,719 (+29.2%)

$154,700 + $278,800

$433,500

2017

$5,200 (+2.9%)

$150,200 + $271,700

$421,900

2016

$5,056 (+3.0%)

$147,200 + $266,800

$414,000

2014

$4,908 (−2.0%)

$138,800 + $254,300

$393,100

2013

$5,006 (−3.7%)

$138,800 + $259,700

$398,500

2012

$5,200 (+17.0%)

$137,400 + $258,700

$396,100

2010

$4,443 (+8.1%)

$119,400 + $224,800

$344,200

2009

$4,110 (−0.4%)

$110,500 + $208,300

$318,800

2008

$4,125

$138,100 + $262,400

$400,500

*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

7,697

Year renovated

2006

Sq. Ft.

3,392

Year built

2006

Style

Single Family Residential

County

Prince William County

APN

8188-56-4033

Parking Spaces

Basement

Yes

Accessible

HOA Dues

$155 /month

Garage

Yes

Features

—

Last updated by owner on Jan 21, 2022.

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
Garage Features: Garage - Front Entry, Garage Door Opener
# of Total Garage and Parking Spaces: 2
Has Garage
# of Garage Spaces: 2
Garage, Paved Driveway, Attached, Asphalt Driveway, Asphalt Driveway
Driveway, On Street, Attached Garage

Interior

Virtual Tour

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 (Full) On 1st Lower Level: 1
# of Bathrooms (Half): 1
# of Bathrooms (Full): 3

Interior Information
Appliances: Dishwasher, Disposal, Icemaker, Microwave, Oven - Wall, Refrigerator, Washer, Water Heater
Interior Features: Kitchen - Gourmet, Breakfast Area, Kitchen - Island, Master Bath(s)
Living Area Sq.Ft. Source: Estimated

Room Information
Dining Room, Master Bedroom, Sitting Room, Bedroom 2, Bedroom 3, Bedroom 4, Kitchen, Family Room, Den, Foyer, Sun/Florida Room, Laundry, Loft

Fireplace Information
Has Fireplace
# of Fireplaces: 1
Gas/Propane

Basement Information
Basement: Yes
Connecting Stairway, Rear Entrance, Outside Entrance, Partially Finished, Walkout Stairs

Exterior

Property Information
Total Below Grade Sq. Ft.: 1568
Irrigation Water Rights
Improvement Assessed Value: $263,800
Ownership Interest: Fee Simple
Year Built Source: Estimated

Building Information
Construction Materials: Stone, Vinyl Siding
Other Structures: Above Grade, Below Grade
Structure Type: Detached

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $144,300

Above Grade Information
Finished Sq.Ft.: 3,392
Finished Sq.Ft. Source: Estimated

Below Grade Information
Unfinished Sq.Ft.: 1,568
Unfinished Sq.Ft. Source: Estimated

Financial

Tax Information
County Tax: $4,578.88
Tax Assessed Value: $408,100
Tax Year: 2015
Tax Annual Amount: $4,979.28

Assessments Information
Special Assessment Payment: Annually
Year Assessed: 2015

Utilities

Utilities Information
Cooling Type: Heat Pump(s)
Cooling Fuel: Electric
Forced Air
Heating Fuel: Bottled Gas/Propane
Hot Water: 60+ Gallon Tank, Natural Gas
Sewer Septic: Public Sewer
Water Source: Public

Location

Homeowners Association Information
HOA Fee: $155
HOA Fee Frequency: Quarterly

School Information
Elementary School: DUMFRIES
Middle Or Junior School: GRAHAM PARK
High School: FOREST PARK
School District Name: PRINCE WILLIAM COUNTY PUBLIC SCHOOLS

Location Information
Directions: US Rt 1 to Quantico Gateway Dr, left on Agency Loop. Property on left.

Public facts

Beds: 4
Baths: 3.5
Sq. Ft.: 3,392
Stories: 2.0
Parking Spaces: 2
Basement: Yes
Accessible: No
Lot Size: 7,697 square feet
Style: Single Family Residential
Year Built: 2006
Year Renovated: 2006
County: Prince William County
APN: 8188-56-4033
HOA Dues: $155/month
Garage: Yes
Features: —

Home facts updated by owner on Jan 21, 2022

Around this home

Schools

Dumfries Elementary School

Public PreK-5 • Assigned • 1.2mi

4/10

Graham Park Middle School

Public 6-8 • Assigned • 0.9mi

4/10

Forest Park High School

Public 9-12 • Assigned • 4.4mi

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

$705,000 – $853,000

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Home values near 4173 Agency Loop

Data from public records.

Address	Redfin Estimate
4156 Agency Loop, Triangle, VA 4 Beds \| 4.5 Baths \| 3672 Sq. Ft.	$711,797
4194 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 3579 Sq. Ft.	$691,312

Address	Redfin Estimate
4189 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 4706 Sq. Ft.	$710,445
4181 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 3330 Sq. Ft.	$570,303

Address	Redfin Estimate
4185 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 4259 Sq. Ft.	$759,275
4177 Agency Loop, Triangle, VA 3 Beds \| 3.5 Baths \| 3310 Sq. Ft.	$663,101

Property information provided by BRIGHT MLS when last listed in 2016. This data may not show owner updates. Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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