OFF MARKET

Off Market Jul 2016 for $415K

$573,162

Est. refi paymentEst. refi $3,067/mo

•

2,880

sq ft

4172 Agency Loop, Triangle, VA 22172

About this home

Come fall in love with this stone-front, 4 bedroom, 2.5 bath, colonial with a $37K maintenance-free deck, gazebo & patio * Country porch * 2-car garage * Full walkout basement * Six by 20' 3 level extension * Beautifully landscaped with zoysia grass & underground sprinkler * Magnolia & fruit trees * Convenient to Quantico MCB & Fort Belvoir, shopping, dining, schools and commuter routes *

Single-familyProperty Type

2006Year Built

10,019 sq ftLot Size

$199Est. Price/Sq.Ft.

2 car garageParking

Listed by H. Lamar Simmons • RE/MAX Allegiance

•703-649-0900 (broker)

•phil.bolin@rmxtalk.com (broker)

Bought with Jennifer Dorn • Berkshire Hathaway HomeServices PenFed Realty

•703-763-5454 (broker)

Redfin checked: a minute ago

•Source:BRIGHT MLS #1000285381

Redfin Estimate

$573,162

$158K since sold in July 2016$1,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.1% lower than the average sale price ($637K) of 4 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 AUG 11, 2026
$650,000
C
4 beds2.5 baths2,788 sq ft
18849 Beaten Path Ct, Triangle, VA 22172
SOLD SEP 22, 2025
$615,000
D
4 beds2.5 baths2,956 sq ft
18016 Crystal Downs Ter, Dumfries, VA 22026

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Earn from this home

Sell

$278,178

Est. take-home

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Refinance

Est. cash available

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Rent

$3,634/mo

Redfin rental estimate

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Market trends in 22172, VA

Last updated July 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 4172 Agency Loop

** Price available after signing in.

Year

Property tax

Land + Additions

Assessment*

2025

$6,200 (+4.3%)

$242,400 + $389,900

$632,300

2024

$5,944 (−0.9%)

$228,700 + $369,000

$597,700

2023

$5,995 (+0.8%)

$219,900 + $356,300

$576,200

2022

$5,945 (+7.0%)

$203,700 + $333,100

$536,800

2021

$5,557 (−15.9%)

$172,700 + $282,200

$454,900

2020

$6,606 (−0.6%)

$161,400 + $264,800

$426,200

2019

$6,645 (+4.1%)

$163,000 + $265,700

$428,700

2018

$6,383 (+30.7%)

$155,300 + $256,500

$411,800

2017

$4,885 (+2.9%)

$150,700 + $245,100

$395,800

2016

$4,750 (+3.0%)

$147,800 + $240,600

$388,400

2014

$4,611 (−1.8%)

$139,400 + $229,400

$368,800

2013

$4,693 (−3.9%)

$139,400 + $234,200

$373,600

2012

$4,882 (+17.2%)

$138,000 + $233,400

$371,400

2010

$4,166 (+7.2%)

$120,000 + $202,800

$322,800

2009

$3,888

$111,100 + $190,500

$301,600

2008

$3,891

$138,900 + $238,900

$377,800

Tax history for 4172 Agency Loop

Year

Property tax

Land + Additions

Assessment*

2025

$6,200 (+4.3%)

$242,400 + $389,900

$632,300

2024

$5,944 (−0.9%)

$228,700 + $369,000

$597,700

2023

$5,995 (+0.8%)

$219,900 + $356,300

$576,200

2022

$5,945 (+7.0%)

$203,700 + $333,100

$536,800

2021

$5,557 (−15.9%)

$172,700 + $282,200

$454,900

2020

$6,606 (−0.6%)

$161,400 + $264,800

$426,200

2019

$6,645 (+4.1%)

$163,000 + $265,700

$428,700

2018

$6,383 (+30.7%)

$155,300 + $256,500

$411,800

2017

$4,885 (+2.9%)

$150,700 + $245,100

$395,800

2016

$4,750 (+3.0%)

$147,800 + $240,600

$388,400

2014

$4,611 (−1.8%)

$139,400 + $229,400

$368,800

2013

$4,693 (−3.9%)

$139,400 + $234,200

$373,600

2012

$4,882 (+17.2%)

$138,000 + $233,400

$371,400

2010

$4,166 (+7.2%)

$120,000 + $202,800

$322,800

2009

$3,888

$111,100 + $190,500

$301,600

2008

$3,891

$138,900 + $238,900

$377,800

*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
Permits

Beds

Baths

3.5

Stories

Lot width

—

Lot depth

—

Lot size

10,202 Sq. Ft.

Year renovated

2006

Sq. Ft.

2,880

Year built

2006

Style

Single Family Residential

County

Prince William County

APN

8188-56-3345

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

Apr 14, 2025 • Final

Electrical residential alteration & repair

Install solar panels on an existing residential roof. Add two electrical circuits.

Electrical

Solar

Apr 1, 2025 • Final

Building residential alteration/repair

Install solar panels on an existing residential roof. Add two electrical circuits.

Electrical

Solar

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Parking

Parking Information
# of Attached Garage Spaces: 2
Garage Features: Garage - Front Entry
# 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, Disposal, Dryer, Exhaust Fan, Icemaker, Microwave, Oven - Self Cleaning, Refrigerator, Washer, Oven/Range - Electric
Door Features: Sliding Glass
Entry Location: Foyer
Interior Features: Kitchen - Island, Master Bath(s), Window Treatments, Recessed Lighting, Floor Plan - Open
Wall & Ceiling Types: Dry Wall

Room Information
Living Room, Master Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Kitchen, Family Room, Basement, Foyer, Laundry, Utility Room

Fireplace Information
Has Fireplace
# of Fireplaces: 1
Fireplace - Glass Doors (N), Mantel(s)

Basement Information
Basement: Yes
Outside Entrance, Walkout Level, Full

Exterior

Property Information
Irrigation Water Rights
Improvement Assessed Value: $237,900
Ownership Interest: Fee Simple
Year Built Source: Estimated

Building Information
Builder Name: KHOV
Building Name: GARRISON WOODS
Construction Materials: Stone
Other Structures: Gazebo, Shed
Outdoor Living Structures: Deck(s), Patio(s), Porch(es)
Roof: Asphalt
Structure Type: Detached
Window Features: Bay/Bow, Double Pane, Screens
Other Structures: Gazebo, Shed

Exterior Information
Stone Retaining Walls, Underground Lawn Sprinkler

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $144,900

Financial

Tax Information
County Tax: $4,295.02
Tax Assessed Value: $382,800
Tax Year: 2015
Tax Annual Amount: $4,677.30

Assessments Information
Special Assessment Payment: Annually
Year Assessed: 2015

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C, Ceiling Fan(s)
Cooling Fuel: Electric
Forced Air
Heating Fuel: Natural Gas
Hot Water: Natural Gas
Sewer Septic: Public Sewer
Under Ground, Cable TV Available
Water Source: Public

Location

Homeowners Association Information
HOA/Condo/Coop Amenities: Common Grounds, Tot Lots/Playground
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: I-95 exit 150A onto Joplin Road to Left onto Jeff Davis Hwy, then left onto Quantico Gateway, to Left on Agency Loop to home on right

Public facts

Beds: 4
Baths: 3.5
Sq. Ft.: 2,880
Stories: 2.0
Lot Size: 10,202 square feet
Style: Single Family Residential
Year Built: 2006
Year Renovated: 2006
County: Prince William County
APN: 8188-56-3345

Home facts updated by county records on Aug 26, 2026

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

$545,000 – $660,000

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New listings for sale in 22172

COMING SOON

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(202) 547-3525

LISTED BY REDFIN3D WALKTHROUGH

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18604 Cabin Rd, Triangle, VA 22172

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COMING SOON

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Home values near 4172 Agency Loop

Data from public records.

Address	Redfin Estimate
4156 Agency Loop, Triangle, VA 4 Beds \| 4.5 Baths \| 3672 Sq. Ft.	$699,042
4198 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 3556 Sq. Ft.	$704,244

Address	Redfin Estimate
4199 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 4520 Sq. Ft.	$700,045
4189 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 4706 Sq. Ft.	$712,003

Address	Redfin Estimate
4195 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 3834 Sq. Ft.	$684,260
4185 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 4259 Sq. Ft.	$751,151

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

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GreatSchools Ratings provided by GreatSchools.org.

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