OFF MARKET

Off Market Dec 2021 for $530K

$664,001

Est. refi paymentEst. refi $4,145/mo

•

3,310

sq ft

4177 Agency Loop, Triangle, VA 22172

About this home

Home sweet home! FRESHLY painted with new carpet, this beautiful three level colonial awaits its new owners. Home has separate living room and dining room with chair and crown molding for that elegant touch. Those tall kitchen cabinets, double sink, dishwasher, side by side refrigerator with ice maker and pantry make this kitchen great for those loving to cook. Off the eat-in kitchen is the large family room with lots of natural sunlight and corner fireplace for those cozy days. The primary bedroom on the upper level is spacious with double closets, ceiling fan and joins the primary bath with soaking tub, separate shower and dual vanity. Two additional bedrooms are on upper level along with a large loft that is great for entertaining, office or fourth bedroom. No need to go downstairs. The home’s laundry level is on the upper level. The lower level has spacious recreation room, full bath, utility room and another room that could be theatre or game room. Home has large level backyard, newer HVAC and water conditioning system. Sold "As Is" but in excellent condition.

Single-familyProperty Type

2007Year Built

7,571 sq ftLot Size

$201Est. Price/Sq.Ft.

2 car garageParking

Listed by Janell McIlwain • Samson Properties

•703-378-8810 (broker)

Bought with Paula Camila Cortez Rivero • CENTURY 21 New Millennium

•703-556-4222 (broker)

•wendy.dean@c21nm.com (broker)

Redfin checked: a few seconds ago

•Source:BRIGHT MLS #VAPW2010604

Redfin Estimate

$664,001

$134K since sold in December 2021$7,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.5% lower than the average sale price ($674K) 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 APR 10, 2026
$735,000
B
4 beds3.5 baths4,259 sq ft
4185 Agency Loop, Triangle, VA 22172
SOLD AUG 11, 2026
$685,000
C
4 beds3.5 baths2,471 sq ft
4109 Presidential Hill Loop, Dumfries, VA 22025
SOLD MAR 12, 2026
$742,000
D
4 beds3.5 baths4,362 sq ft
4169 Agency Loop, Triangle, VA 22172
SOLD MAY 14, 2026
$610,000
E
4 beds3.5 baths2,562 sq ft
4072 Presidential Hill Loop, Dumfries, VA 22025

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Earn from this home

Sell

$237,803

Est. take-home

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Refinance

Est. cash available

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Rent

$3,698/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 4177 Agency Loop

Year

Property tax

Land + Additions

Assessment*

2025

$6,087 (+4.7%)

$241,700 + $379,100

$620,800

2024

$5,815 (−0.8%)

$228,100 + $356,600

$584,700

2023

$5,863 (−1.1%)

$219,300 + $344,200

$563,500

2022

$5,926 (+9.0%)

$203,100 + $321,700

$524,800

2021

$5,436 (−15.9%)

$172,100 + $272,700

$444,800

2020

$6,462 (−0.9%)

$160,800 + $256,100

$416,900

2019

$6,521 (+4.3%)

$162,400 + $258,300

$420,700

2018

$6,253 (+29.1%)

$154,700 + $248,700

$403,400

2017

$4,844 (+2.8%)

$150,100 + $242,300

$392,400

2016

$4,711 (+3.1%)

$147,200 + $237,900

$385,100

2014

$4,571 (−1.8%)

$138,800 + $226,700

$365,500

2013

$4,655 (−3.9%)

$138,800 + $231,800

$370,600

2012

$4,842 (+17.3%)

$137,400 + $230,900

$368,300

2010

$4,129 (+7.2%)

$119,400 + $200,500

$319,900

2009

$3,853 (+0.7%)

$110,500 + $188,400

$298,900

2008

$3,827

$138,100 + $233,500

$371,600

Tax history for 4177 Agency Loop

Year

Property tax

Land + Additions

Assessment*

2025

$6,087 (+4.7%)

$241,700 + $379,100

$620,800

2024

$5,815 (−0.8%)

$228,100 + $356,600

$584,700

2023

$5,863 (−1.1%)

$219,300 + $344,200

$563,500

2022

$5,926 (+9.0%)

$203,100 + $321,700

$524,800

2021

$5,436 (−15.9%)

$172,100 + $272,700

$444,800

2020

$6,462 (−0.9%)

$160,800 + $256,100

$416,900

2019

$6,521 (+4.3%)

$162,400 + $258,300

$420,700

2018

$6,253 (+29.1%)

$154,700 + $248,700

$403,400

2017

$4,844 (+2.8%)

$150,100 + $242,300

$392,400

2016

$4,711 (+3.1%)

$147,200 + $237,900

$385,100

2014

$4,571 (−1.8%)

$138,800 + $226,700

$365,500

2013

$4,655 (−3.9%)

$138,800 + $231,800

$370,600

2012

$4,842 (+17.3%)

$137,400 + $230,900

$368,300

2010

$4,129 (+7.2%)

$119,400 + $200,500

$319,900

2009

$3,853 (+0.7%)

$110,500 + $188,400

$298,900

2008

$3,827

$138,100 + $233,500

$371,600

*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

7,571 Sq. Ft.

Year renovated

2007

Sq. Ft.

3,310

Year built

2007

Style

Single Family Residential

County

Prince William County

APN

8188-56-3331

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

Interior

Bedroom Information
# of Bedrooms On 1st Upper Level: 3

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 (Full) On All Upper Levels: 2
# of Bathrooms (Full) On All Lower Levels: 1
# of Bathrooms (Half): 1
# of Bathrooms (Full): 3

Interior Information
Appliances: Dishwasher, Disposal, Dryer, Exhaust Fan, Range Hood, Refrigerator, Stove, Washer, Water Conditioner - Owned, Water Heater
Interior Features: Breakfast Area, Carpet, CeilngFan(s), Attic, Family Room Off Kitchen, Floor Plan - Traditional, Kitchen - Eat-In, Kitchen - Island, Pantry, Soaking Tub, Walk-in Closet(s), Water Treat System, Chair Railings, Crown Moldings, Dining Area, Formal/Separate Dining Room
Living Area Sq.Ft. Source: Assessor

Room Information
Living Room, Dining Room, Master Bedroom, Bedroom 2, Bedroom 3, Kitchen, Family Room, Foyer, Laundry, Loft, Utility Room, Bathroom 2, Bonus Room, Master Bathroom, Full Bath, Half Bath
Laundry Type: Upper Floor

Fireplace Information
Has Fireplace
# of Fireplaces: 1

Basement Information
Basement: Yes
Fully Finished, Rear Entrance, Walkout Stairs

Exterior

Property Information
Not Federal Flood Zone
Total Below Grade Sq. Ft.: 1120
Horse: No
Improvement Assessed Value: $272,700
Ownership Interest: Fee Simple
Property Condition: Excellent
Year Built Source: Assessor

Building Information
Construction Materials: Vinyl Siding
Foundation Details: Concrete Perimeter
Other Structures: Above Grade, Below Grade
Pets Allowed: Yes
Pet Restrictions: No Pet Restrictions
Structure Type: Detached

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $172,100

Above Grade Information
Finished Sq.Ft.: 2,640
Finished Sq.Ft. Source: Assessor

Below Grade Information
Unfinished Sq.Ft.: 450
Unfinished Sq.Ft. Source: Assessor
Finished Sq.Ft.: 670
Finished Sq.Ft. Source: Assessor

Financial

Tax Information
County Tax: $4,960
Tax Assessed Value: $444,800
Tax Year: 2021
Tax Annual Amount: $5,435

Assessments Information
Year Assessed: 2021

Lease Information
Lease Considered: No

Utilities

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

Location

Homeowners Association Information
HOA Fee: $170
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
Elementary School Source: 3rd Party
Middle School Source: 3rd Party
High School Source: 3rd Party
School District Source: 3rd Party

Location Information
In City Limits
Directions: From VA-619 E, turn left onto Inn Street. Right onto Myers Road, Left onto Quantico Gateway Drive, Right onto Agency Loop.

Public facts

Beds: 4
Baths: 3.5
Sq. Ft.: 3,310
Stories: 2.0
Lot Size: 7,571 square feet
Style: Single Family Residential
Year Built: 2007
Year Renovated: 2007
County: Prince William County
APN: 8188-56-3331

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

$631,000 – $764,000

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New listings for sale in 22172

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Home values near 4177 Agency Loop

Data from public records.

Address	Redfin Estimate
4195 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 3834 Sq. Ft.	$684,260
4194 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 3579 Sq. Ft.	$690,365

Address	Redfin Estimate
4189 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 4706 Sq. Ft.	$712,003
4181 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 3330 Sq. Ft.	$586,225

Address	Redfin Estimate
4185 Agency Loop, Triangle, VA 4 Beds \| 3.5 Baths \| 4259 Sq. Ft.	$751,151
4172 Agency Loop, Triangle, VA 4 Beds \| 2.5 Baths \| 2880 Sq. Ft.	$573,162

Property information provided by BRIGHT MLS when last listed in 2022. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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