OFF MARKET

Off Market Jul 2024 for $998K

$1,105,139

Est. refi paymentEst. refi $5,758/mo

•

5,369

sq ft

12278 Weller Rd, Monrovia, MD 21770

About this home

Your private, serene oasis on 3.42 acres, awaits you! Just minutes from Montgomery, Howard and Carroll counties for an easy commute or work from home in your own office and on nice days, work poolside. Listen to the birds chirp every morning, watch the deer stroll around the yard. Enjoy the sound of soothing water from the inside koi pond. Recently updated, all new appliances, carpet in the office, cherry wood floors refinished a couple of years ago. Granite in 3 of the bathrooms which were updated in 2018. The primary bathroom has a huge walk in shower with travertine tile, rain head, 4 body jets, a handheld sprayer and a shower head. The custom maple bath cabinets have a ton of storage. The heated marble floor are wonderful for those cooler evenings. This home has an in law suite with a full bath/ kitchen/ hickory wood floors and cedar trim. Can be a multi generational home if needed, no modification needed. 3 car garage, 2 fireplaces and plenty of storage. There are 3 finished levels above grade, unfinished walk out basement and so much more. Custom built for owner/agent.

Single-familyProperty Type

1994Year Built

3.42 acresLot Size

$206Est. Price/Sq.Ft.

3 garage spacesParking

Listed by Kris Alcorn • RE/MAX Realty Plus

•301-831-5600 (broker)

Bought with Jennifer Stevens Long • RE/MAX Realty Plus

•301-831-5600 (broker)

Redfin checked: a minute ago

•Source:BRIGHT MLS #MDFR2049922

Redfin Estimate

$1,105,139

$106K since sold in July 2024$0 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 31.3% higher than the average sale price ($842K) of 6 comparable homes.

SOLD APR 8, 2026
$865,046
A
5 beds3.5 baths3,987 sq ft
4739 Marianne Dr, Mount Airy, MD 21771
SOLD MAY 8, 2026
$760,000
B
4 beds4.5 baths3,556 sq ft
4750 Marianne Dr, Mount Airy, MD 21771
SOLD JUL 31, 2026
$810,000
C
4 beds3.5 baths3,072 sq ft
4706 Hardwood Ct, Mount Airy, MD 21771
SOLD AUG 13, 2026
$735,000
D
4 beds3.5 baths3,210 sq ft
12513 Bills Ct, Mount Airy, MD 21771
SOLD MAY 22, 2026
$955,000
E
5 beds3.5 baths5,514 sq ft
4813 Timber, Mount Airy, MD 21771
SOLD JUN 10, 2026
$925,000
F
5 beds3.5 baths4,320 sq ft
4730 Caleb Wood Ct, Mount Airy, MD 21771

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$270,619

Est. take-home

List your home with Redfin and save $11,051

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$4,429/mo

Redfin rental estimate

List your home for rent

Market trends in 21770, MD

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.5%

0.2% MoM

Median sale price

$575K

$15K MoM

Avg. days on market

25d

3 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN SEP 10, 4:30PM TO 7PM
$799,900
5 beds2.5 baths3,302 sq ft
12307 Hungerford Manor Ct, Monrovia, MD 21770
(301) 882-8710
$839,900
5 beds4 baths3,340 sq ft
4720 Plum Rd, Monrovia, MD 21770
(301) 662-9222
$945,000
5 beds3.5 baths3,574 sq ft
4369 Shamrock Dr, Monrovia, MD 21770
(240) 938-0509
See all

Provided by Redfin

Sale history for 12278 Weller Rd

Year

Property tax

Land + Additions

Assessment*

2025

$10,123 (+9.7%)

2024

$9,228 (+9.3%)

2023

$8,442 (+95.1%)

$178,700 + $578,900

$757,600

2022

$4,326 (−44.0%)

2021

$7,732 (+3.8%)

2020

$7,448 (+3.0%)

$146,500 + $500,600

$647,100

2019

$7,233 (+2.2%)

2018

$7,080 (+0.9%)

$125,500 + $466,000

$591,500

2017

$7,018 (−2.1%)

$125,500 + $466,000

$591,500

2015

$7,169 (−0.3%)

$125,500 + $473,600

$599,100

2014

$7,193 (−1.8%)

2013

$7,324 (+0.4%)

2012

$7,294 (+3.5%)

2011

$7,050

2010

$7,050 (+25.0%)

2009

$5,641

Tax history for 12278 Weller Rd

Year

Property tax

Land + Additions

Assessment*

2025

$10,123 (+9.7%)

2024

$9,228 (+9.3%)

2023

$8,442 (+95.1%)

$178,700 + $578,900

$757,600

2022

$4,326 (−44.0%)

2021

$7,732 (+3.8%)

2020

$7,448 (+3.0%)

$146,500 + $500,600

$647,100

2019

$7,233 (+2.2%)

2018

$7,080 (+0.9%)

$125,500 + $466,000

$591,500

2017

$7,018 (−2.1%)

$125,500 + $466,000

$591,500

2015

$7,169 (−0.3%)

$125,500 + $473,600

$599,100

2014

$7,193 (−1.8%)

2013

$7,324 (+0.4%)

2012

$7,294 (+3.5%)

2011

$7,050

2010

$7,050 (+25.0%)

2009

$5,641

*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

4.5

Stories

Lot width

—

Lot depth

—

Lot size

3.42 Acres

Year renovated

—

Sq. Ft.

4,025

Year built

1994

Style

Single Family Residential

County

Frederick County

APN

09 282718

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 17, 2026.

Agricultural District

The purpose of the Agricultural District (A) is to preserve productive agricultural land and the character and quality of the rural environment and to prevent urbanization where roads and other public facilities are scaled to meet only rural needs.

Permitted uses

Include but are not limited to:

Agriculture
Greenhouse / nursery
Winery & vineyard
Housing-Group
Housing-Single unit
Housing-Multiple units
Housing-Mobile home park

Property details

Parking

Parking Information
# of Attached Garage Spaces: 3
Garage Features: Garage - Front Entry, Garage Door Opener, Inside Access, Oversized
# of Total Garage and Parking Spaces: 15
Has Garage
# of Garage Spaces: 3
Driveway - # of Spaces: 12
Circular Driveway, Asphalt Driveway, Paved Driveway, Private
Attached Garage, Driveway

Interior

Virtual Tour

Bedroom Information
# of Bedrooms On 1st Upper Level: 3
# of Bedrooms On 2nd Upper Level: 2

Bathroom Information
# of Bathrooms (Full) On 1st Upper Level: 3
# of Bathrooms (Full) On 2nd Upper Level: 1
# of Bathrooms (Half) On Main Level: 1
# of Bathrooms (Full) On All Upper Levels: 4
# of Bathrooms (Half): 1
# of Bathrooms (Full): 4

Interior Information
Appliances: Cooktop - Down Draft, Dishwasher, Dryer - Front Loading, Dryer - Electric, Exhaust Fan, Extra Refrigerator/Freezer, Icemaker, Oven - Double, Oven - Self Cleaning, Oven - Wall, Refrigerator, Stainless Steel Appliances, Washer - Front Loading, Washer, Water Conditioner - Owned, Water Heater
Door Features: Six Panel, Storm
Flooring Type: Hardwood, Marble, Tile/Brick, Carpet
Interior Features: 2nd Kitchen, Attic, Breakfast Area, Additional Stairway, Carpet, CeilngFan(s), Chair Railings, Crown Moldings, Dining Area, Family Room Off Kitchen, Floor Plan - Open, Floor Plan - Traditional, Formal/Separate Dining Room, Kitchen - Gourmet, Kitchen - Island, Master Bath(s), Recessed Lighting, Skylight(s), Upgraded Countertops, Wainscotting, Walk-in Closet(s), Wood Floors
Living Area Sq.Ft. Source: Estimated
Wall & Ceiling Types: 9'+ Ceilings, Dry Wall

Room Information
In-Law/auPair/Suite

Fireplace Information
Has Fireplace
# of Fireplaces: 2
Brick, Corner, Mantel(s), Wood

Basement Information
Basement: Yes
Connecting Stairway, Interior Access, Outside Entrance, Poured Concrete, Walkout Stairs

Exterior

Property Information
Not Federal Flood Zone
Total Below Grade Sq. Ft.: 1120
Improvement Assessed Value: $578,900
Ownership Interest: Fee Simple
Property Condition: Excellent
Year Built Source: Assessor
Year Major Reno/Remodel: 2018

Building Information
# of Levels (Total): 4
Construction Materials: Brick
Foundation Details: Brick/Mortar
Main Entrance Orientation: North
Other Structures: Above Grade
Pets Allowed: Yes
Pet Restrictions: No Pet Restrictions
Roof: Architectural Shingle
Structure Type: Detached
Window Features: Bay/Bow, Double Hung, Screens, Transom
Other Structures: Shed
Building Not Winterized

Exterior Information
Extensive Hardscape, Flood Lights, Gutter System, Play Area, Play Equipment, Sidewalks

Pool Information
Personal Pool
Gunite, Heated, In Ground

Lot Information
Lot Features: Secluded, Trees/Wooded
Tidal Water: No

Land Information
Land Assessed Value: $178,700

Above Grade Information
Finished Sq.Ft.: 5,369
Finished Sq.Ft. Source: Estimated

Below Grade Information
Unfinished Sq.Ft.: 1,120
Unfinished Sq.Ft. Source: Assessor

Financial

Tax Information
Agricultural Tax Due: No
County Tax: $8,447
Tax Assessed Value: $757,600
Tax Year: 2024
Tax Annual Amount: $8,447

Assessments Information
Year Assessed: 2024

Lease Information
Lease Considered: No

Utilities

Utilities Information
Central Air
Cooling Type: Ceiling Fan(s), Central A/C, Heat Pump(s), Multi Units, Programmable Thermostat
Cooling Fuel: Electric
200+ Amp Service
Heat Pump(s), Programmable Thermostat, Forced Air, Heat Pump - Electric BackUp
Heating Fuel: Oil, Propane - Leased, Electric
Hot Water: Electric
Sewer Septic: On Site Septic
Cable TV, Phone Available
Water Source: Private, Well
Municipal Trash: No

Location

School Information
School District Name: FREDERICK COUNTY PUBLIC SCHOOLS
School District Source: Listing Agent

Location Information
Outside City Limits
Directions: From Rt 80 or Rt 144 turn on Bartholows Rd, turn on Weller Rd. Exactly 1/4 mile down Weller on the left as you enter wooded area. Drive is on the left and is a common drive with a recorded driveway agreement

Public facts

Beds: —
Baths: 4.5
Sq. Ft.: 4,025
Stories: 2.0
Lot Size: 3.42 acres
Style: Single Family Residential
Year Built: 1994
Year Renovated: —
County: Frederick County
APN: 09 282718

Home facts updated by county records on Jul 17, 2026

Around this home

Schools

Green Valley Elementary School

Public K-5 • Assigned • 1.5mi

7/10

Windsor Knolls Middle School

Public 6-8 • Assigned • 2.6mi

9/10

Linganore High School

Public 9-12 • Assigned • 6.0mi

8/10

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 101° expected this year, 16 days in 30 years

4/10 Wind Factor

8% 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

Monrovia, MD • 21770

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 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs

4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.05M – $1.27M

Reach more buyers when you sell with Redfin. Save up to $11,051 in fees. 3 minutes to get started.

Get a free, detailed breakdown of how we calculated your estimate.

Nearby similar homes

$80,000

Land— sq ft

5151-C Old Bartholows Rd, Mt Airy, MD 21771

(410) 488-3124

SHORT SALE

$299,900

2 beds1 bath1,302 sq ft

28940 Ridge, Mount Airy, MD 21771

(410) 823-0033

$899,900

4 beds2.5 baths3,112 sq ft

3455 Emys Pl, Monrovia, MD 21770

(240) 793-2485

3D WALKTHROUGH

$824,900

4 beds3.5 baths3,301 sq ft

11058 Emerald Crown Dr, Monrovia, MD 21770

(410) 220-5745

3D WALKTHROUGH

$790,000

5 beds3 baths3,617 sq ft

11203 Yardley Ct, Ijamsville, MD 21754

(703) 752-8660

$829,000

5 beds3 baths2,748 sq ft

11069 Emerald Crown Dr, Monrovia, MD 21770

(301) 945-9010

New listings for sale in 21770

OPEN SEP 10, 4:30PM TO 7PM3D WALKTHROUGH

$799,900

5 beds2.5 baths3,302 sq ft

12307 Hungerford Manor Ct, Monrovia, MD 21770

(301) 882-8710

$839,900

5 beds4 baths3,340 sq ft

4720 Plum Rd, Monrovia, MD 21770

(301) 662-9222

$945,000

5 beds3.5 baths3,574 sq ft

4369 Shamrock Dr, Monrovia, MD 21770

(240) 938-0509

Home values near 12278 Weller Rd

Data from public records.

Address	Redfin Estimate
12272 Weller Road, Monrovia, MD 4 Beds \| 3 Baths \| 2790 Sq. Ft.	$705,365
12260 Weller Road, Monrovia, MD 3 Beds \| 2.5 Baths \| 3344 Sq. Ft.	$794,170

Address	Redfin Estimate
12301 Weller Road, Monrovia, MD - Beds \| 3 Baths \| 3200 Sq. Ft.	$785,082
12266 Weller Road, Monrovia, MD - Beds \| 4.5 Baths \| 3562 Sq. Ft.	$733,794

Address	Redfin Estimate
12289 Weller Road, Monrovia, MD - Beds \| 3 Baths \| 3065 Sq. Ft.	$602,949
12240 Weller Road, Monrovia, MD - Beds \| 3.5 Baths \| 3430 Sq. Ft.	$886,459

Property information provided by BRIGHT MLS when last listed in 2024. This data may not match . Learn more.

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Ijamsville homes for sale
Damascus Gardens homes for sale
Kings Valley homes for sale
Damascus Valley Park homes for sale
Windsor Knolls homes for sale

20871 homes for sale
21771 homes for sale
20872 homes for sale
21774 homes for sale
21754 homes for sale

Houses for sale near me	Baltimore, MD homes for sale	Frederick, MD homes for sale
Land for sale near me	Bethesda, MD homes for sale	Columbia, MD homes for sale
Open Houses near me	Silver Spring, MD homes for sale	Green Valley Property Records
Condos for sale near me	Bowie, MD homes for sale	MD New Listings
Agents near me	Rockville, MD homes for sale	Green Valley Housing Market

Columbia homes for sale
Rockville homes for sale
Frederick homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 21770, MD

Sale history for 12278 Weller Rd

Tax history for 12278 Weller Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 21770

Home values near 12278 Weller Rd

More real estate resources