OFF MARKET

Off market sep 2021 for $419K

$489,388

Est. refi paymentEst. refi $3,167/mo

•

2,405

sq ft

4436 Trenton Mill Rd, Upperco, MD 21155

About this home

This unique home will truly impress. It features two primary bedrooms with en suites a open floor plan that is perfect for entertaining for any holiday or special event. Between the spacious two car garage and large driveway this home can easily accommodate six or more vehicles. But the features of this home don’t stop inside. Outside features a beautiful patio with a fenced in backyard perfect for you and your furry friends. This home is nicely updated and awaiting you’re finishing touches.

Single-familyProperty Type

1956Year Built

0.39 acresLot Size

$203Est. Price/Sq.Ft.

2 garage spacesParking

Listed by Dan Toth • Iron Valley Real Estate of Central MD

•410-989-9896 (broker)

•bbsventuresllc@gmail.com (broker)

Bought with Trina Shanahan • EXP Realty, LLC

•888-860-7369 (broker)

•md.broker@exprealty.net (broker)

Redfin checked: 2 minutes ago

•Source:BRIGHT MLS #MDCR2001378

Redfin Estimate

$489,388

$70K since sold in September 2021$0 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.6% lower than the average sale price ($492K) of 6 comparable homes.

SOLD JUN 15, 2026
$485,000
A
4 beds3 baths2,345 sq ft
4532 Whetstone Ct, Hampstead, MD 21074
SOLD SEP 24, 2026
$565,000
B
5 beds2.5 baths2,266 sq ft
4294 Wolf Hill Dr, Hampstead, MD 21074
SOLD JUN 26, 2026
$475,000
C
4 beds3 baths1,956 sq ft
1644 Saint Paul St, Hampstead, MD 21074
SOLD MAY 29, 2026
$525,000
D
4 beds2.5 baths2,213 sq ft
4296 Wolf Hill Dr, Hampstead, MD 21074
SOLD MAY 11, 2026
$459,000
E
3 beds3 baths2,442 sq ft
110 Lees Mill Rd, Hampstead, MD 21074
SOLD OCT 7, 2026
$445,000
F
3 beds3.5 baths2,220 sq ft
4539 N Woods Trl, Hampstead, MD 21074

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Earn from this home

Sell

$157,212

Est. take-home

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Refinance

Est. cash available

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Rent

$3,469/mo

Redfin rental estimate

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Market trends in 21155, MD

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

97.7%

+4.1% MoM

Median sale price

$475K

$140 MoM

Avg. days on market

27 days MoM

Recently sold homes

0 MoM

New listings for sale

OPEN TODAY, 11AM TO 1PM
$3,200,000
6 beds7.5 baths8,676 sq ft
4300 Mount Zion Rd, Upperco, MD 21155
(443) 901-2200
See all

Provided by Redfin

Sale history for 4436 Trenton Mill Rd

Date

Event

Price

BRIGHT MLS #MDCR2001378

Sep 15, 2021

Sold

$419,500

$174/sq ft

Aug 5, 2021

Pending

—

Jul 30, 2021

Listed

$419,500

$174/sq ft

BRIGHT MLS #MDCR100152

Jan 30, 2019

Sold

$349,900

$145/sq ft

Jan 3, 2019

Pending

—

Dec 16, 2018

Relisted

—

Nov 14, 2018

Contingent

—

Nov 8, 2018

Listed

$349,900

$145/sq ft

+28

Wow! What a home back on the active market. ! Beautiful unique home, Open floor plan - foyer, dining room, kitchen, to that great family with amazing fireplace. Imagine your evenings and holidays sitting around relaxing and entertaining. Three bedrooms on the main level with 2 full baths. . Up the stairs to a spacious master suite. Main floor laundry. 2 car garage and large driveway. Fully fenced back yard with lovely brick patio. Must see. Full set of pictures up soon! Convenient to 140 and 795.

Public Records

Jul 11, 1984

Sold

$85,000

$35/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$4,810 (+3.9%)

2025

$4,631 (+5.3%)

2024

$4,396 (+5.6%)

$83,000 + $325,200

$408,200

2023

$4,162 (+6.0%)

2022

$3,927 (+12.6%)

2021

$3,487 (+13.4%)

$83,000 + $262,300

$345,300

2020

$3,075 (+16.8%)

2019

$2,632 (+0.9%)

2018

$2,609

$83,000 + $144,600

$227,600

2017

$2,609 (−0.6%)

$83,000 + $144,600

$227,600

2016

$2,625 (+0.8%)

2015

$2,605

2014

$2,607

$90,000 + $135,400

$225,400

2013

$2,607 (+1.2%)

2012

$2,576 (−13.0%)

2011

$2,962 (+6.7%)

2010

$2,775 (+6.7%)

2009

$2,600

Tax history for 4436 Trenton Mill Rd

Year

Property tax

Land + Additions

Assessment*

2026

$4,810 (+3.9%)

2025

$4,631 (+5.3%)

2024

$4,396 (+5.6%)

$83,000 + $325,200

$408,200

2023

$4,162 (+6.0%)

2022

$3,927 (+12.6%)

2021

$3,487 (+13.4%)

$83,000 + $262,300

$345,300

2020

$3,075 (+16.8%)

2019

$2,632 (+0.9%)

2018

$2,609

$83,000 + $144,600

$227,600

2017

$2,609 (−0.6%)

$83,000 + $144,600

$227,600

2016

$2,625 (+0.8%)

2015

$2,605

2014

$2,607

$90,000 + $135,400

$225,400

2013

$2,607 (+1.2%)

2012

$2,576 (−13.0%)

2011

$2,962 (+6.7%)

2010

$2,775 (+6.7%)

2009

$2,600

*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

Stories

Lot width

—

Lot depth

—

Lot size

0.39 Acres

Year renovated

—

Sq. Ft.

2,405

Year built

1956

Style

Single Family Residential

County

Carroll County

APN

08 000301

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 8, 2026.

R-40,000

Residence District

The purpose of the R-40,000 Residence District is primarily to provide a location for single-family residential development, the individual lots of which generally contain a minimum of 40,000 sq ft. This district is generally not intended to be served with public water or sewerage facilities although in special situations, it may be. The district would generally coincide with areas designated for low-density residential development on the Master Plan.

Permitted uses

Include but are not limited to:

Agriculture
Religious facility
Housing-Single unit
Housing-Senior
Public service
Educational/school

Property details

Parking

Parking Information
# of Attached Garage Spaces: 2
Garage Features: Garage - Front Entry
# of Total Garage and Parking Spaces: 6
Has Garage
# of Garage Spaces: 2
Driveway - # of Spaces: 4
Attached Garage, Driveway

Interior

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

Bathroom Information
# of Bathrooms (Full) On 1st Upper Level: 1
# of Bathrooms (Full) On Main Level: 2
# of Bathrooms (Full) On All Upper Levels: 1
# of Bathrooms (Full): 3

Interior Information
Living Area Sq.Ft. Source: Assessor

Fireplace Information
# of Fireplaces: 2

Basement Information
Basement: No

Exterior

Property Information
Total Below Grade Sq. Ft.: 0
Accessibility Features: Level Entry - Main
Improvement Assessed Value: $262,300
Ownership Interest: Fee Simple
Year Built Source: Assessor

Building Information
Construction Materials: Stick Built
Other Structures: Above Grade, Below Grade
Structure Type: Detached

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $83,000

Above Grade Information
Finished Sq.Ft.: 2,405
Finished Sq.Ft. Source: Assessor

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

Financial

Tax Information
County Tax: $3,015
Tax Assessed Value: $306,067
Tax Year: 2020
Tax Annual Amount: $3,075

Assessments Information
Year Assessed: 2021

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C
Cooling Fuel: Electric
Heat Pump(s)
Heating Fuel: Oil
Hot Water: Electric
Sewer Septic: Community Septic Tank, Private Septic Tank
Water Source: Well

Location

School Information
Elementary School: SPRING GARDEN
Middle Or Junior School: SHILOH
High School: MANCHESTER VALLEY
School District Name: CARROLL COUNTY PUBLIC SCHOOLS
Elementary School Source: Listing Agent
Middle School Source: Listing Agent
High School Source: Listing Agent
School District Source: Listing Agent

Location Information
Outside City Limits
Directions: Use GPS

Public facts

Beds: —
Baths: 3.0
Sq. Ft.: 2,405
Stories: 2.0
Lot Size: 0.39 acres
Style: Single Family Residential
Year Built: 1956
Year Renovated: —
County: Carroll County
APN: 08 000301

Home facts updated by county records on Oct 8, 2026

Around this home

Schools

K - 12
Preschool & daycare

Spring Garden Elementary School

Public PreK-5 • Assigned • 0.5mi

9/10

Shiloh Middle School

Public 6-8 • Assigned • 1.4mi

9/10

Manchester Valley High School

Public 9-12 • Assigned • 5.1mi

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

3/10 Fire Factor

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

5/10 Heat Factor

7 days above 101° expected this year, 15 days in 30 years

4/10 Wind Factor

17% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 4 days in 30 years

Provided by First Street

Historical weather

Upperco, MD • 21155

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 9.2 hours in June and 4.2 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs

4.2 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$465,000 – $563,000

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Nearby similar homes

OPEN TODAY, 11AM TO 1PM

$3,200,000

6 beds7.5 baths8,676 sq ft

4300 Mount Zion Rd, Upperco, MD 21155

74.78 acre lot • 3 parking spots • Pool

(443) 901-2200

$128,000

Land— sq ft

14002 Longnecker, Reisterstown, MD 21136

Listed 79 days

(443) 499-3839

NEW CONSTRUCTION

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(443) 708-2887

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Land— sq ft

13943-D Old Hanover Rd, Reisterstown, MD 21136

Large lots • Back to woods • Rural area

(410) 429-4941

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5 beds9 baths13,612 sq ft

3600 Butler Rd, Glyndon, MD 21071

261.44 acre lot • 8 garage spots • Pool

(410) 329-9898

$525,000

6 beds3 baths4,384 sq ft

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2.44 acres • Large barn • Covered front porch

(410) 453-0500

New listings for sale in 21155

OPEN TODAY, 11AM TO 1PM

$3,200,000

6 beds7.5 baths8,676 sq ft

4300 Mount Zion Rd, Upperco, MD 21155

74.78 acre lot • 3 parking spots • Pool

(443) 901-2200

Home values near 4436 Trenton Mill Rd

Data from public records.

Address	Redfin Estimate
5328 Trenton Mill Road, Upperco, MD - Beds \| 1 Baths \| 2040 Sq. Ft.	$458,082
4440 Trenton Mill Road, Upperco, MD - Beds \| 1 Baths \| 1274 Sq. Ft.	$283,605

Address	Redfin Estimate
4448 Trenton Mill Road, Upperco, MD 3 Beds \| 1 Baths \| 962 Sq. Ft.	$320,508
4444 Trenton Mill Road, Upperco, MD - Beds \| 1 Baths \| 962 Sq. Ft.	$258,257

Address	Redfin Estimate
4439 Trenton Mill Road, Upperco, MD - Beds \| - Baths \| 13314 Sq. Ft.	—
601 Hanover Pike, Hampstead, MD - Beds \| 1 Baths \| 1700 Sq. Ft.	$270,693

Property information provided by BRIGHT MLS when last listed in 2021. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 21155, MD

Sale history for 4436 Trenton Mill Rd

Tax history for 4436 Trenton Mill Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 21155

Home values near 4436 Trenton Mill Rd

More real estate resources