Off Market7926d on market

17840 Old Frederick Rd

Mount Airy, MD, 21771 • 21771 • Howard County

$739,100

$284/sqft

2.5Baths

2,604Sqft

3.1 acLot

1990Built

Property DNA

1 highlights

Conventional Style

Built 1990 · 36 years of history

Market activity

Demand and pricing signals for this listing

2 views

People checking out this listing

7926 days on market

Established listing

$284/sqft

Price per square foot

About this home

Single Family · Built 1990

This is a 2604 square foot, 2.5 bathroom, single family home. This home is located at 17840 Old Frederick Rd, Mount Airy, MD 21771.

Estimated monthly payment

Based on current rates

$4,563/month

Principal & Interest$3,578

Property Tax$739

Insurance$246

Down payment20% ($147,820)

3%50%

Est. 6.09% rate · 30yr fixed · $591,280 loan

Full calculator →

At a glance

Key facts and listing details

TypeSingleFamily

Year Built1990

HeatingHeat pump

ParkingGarage - Attached

Lot3.15 Acres

Property

Home typeSingle Family

StyleConventional

Year built1990

Systems

HeatingHeat pump

RoofShake / Shingle

Parking & Outdoor

ParkingGarage - Attached

BasementPartially finished

Lot3.15 Acres

Location & Tax

Neighborhood21771

Parcel04348060

Features & details

3 categories of property features

Interior Features

Heating

Heat pump

Exterior Features

Exterior

Other

Parking

Garage - Attached

Listing insights

Market data and value estimates

StatusOff Market

Days on market7926

Est. value$739,100

Est. rent$3,885/mo

Tax rate1.10%

Price/sqft$284

Last sold$450,000

Tour days6

How are the schools in Mount Airy?

3 schools rated nearby

Lisbon Elementary School

Elementary • Public • K-5

3.9 mi

Glenwood Middle School

Middle • Public • 6-8

7.3 mi

Glenelg High School

High • Public • 9-12

9.1 mi

Location

Mount Airy, MD, 21771

Expand map

Price history

2 events

DateEventPrice$/sqftSource

Jul 26, 2004Sold$450,000$173Public Record

Mar 19, 2004Sold$290,000$111Public Record

Sold$450,000

Jul 26, 2004•$173/sqft•Public Record

Sold$290,000

Mar 19, 2004•$111/sqft•Public Record

Tax history

26 years of records

YearTax paidAssessed value

Apr 9, 2025—$565,200

Apr 9, 2024$6,027$535,267

Apr 9, 2023$5,690$505,333

Apr 9, 2022$5,353$475,400

Apr 9, 2021$5,139$456,367

Apr 9, 2020$4,924$437,333

Apr 9, 2019$4,710$418,300

Apr 9, 2018$5,087$418,300

Apr 9, 2017$6,096$418,300

Apr 9, 2016—$428,500

Apr 9, 2015—$416,867

Apr 9, 2014—$405,233

Apr 9, 2013—$393,600

Apr 9, 2012—$393,600

Apr 9, 2011—$393,600

Apr 9, 2010—$518,040

Apr 9, 2009—$487,186

Apr 9, 2008—$456,333

Apr 9, 2007—$425,480

Apr 9, 2006—$383,246

Apr 9, 2005—$341,013

Apr 9, 2004—$298,780

Apr 9, 2003—$284,536

Apr 9, 2002—$270,293

Apr 9, 2001—$256,050

Apr 9, 2000—$101,780

Nearby homes

Off Market

$364,100

2 bd1 ba699 sqft

449 Twin Arch Rd, Mount Airy, MD

Off Market

$522,600

4 bd3 ba1,938 sqft

429 Twin Arch Rd, Mount Airy, MD

Off Market

$862,200

2.5 ba3,500 sqft

17830 Old Frederick Rd, Mount Airy, MD

Off Market

$833,100

4 bd4 ba3,032 sqft

425 Twin Arch Rd, Mount Airy, MD

Off Market

$9,000

Twin Arch Rd, Mt airy, MD

Off Market

$300,200

1 ba576 sqft

419 Twin Arch Rd, Mount Airy, MD

Off Market

$7,100

Twin Arch Rd, Mt airy, MD

For Sale

$289,000

988 sqft

415 Twin Arch Rd, Mount Airy, MD

Neighborhood details

Local context around this listing

Mount Airy, MD • Howard County

Nearby cities

FinksburgFrederickHampsteadMiddletownMount AiryNew MarketSykesvilleThurmont

Nearby zip codes

21771

Similar homes

For Sale

$700,000

4 bd3 ba3,225 sqft

729 W Watersville Rd, Mount Airy, MD

For Sale

$729,000

5 bd3 ba2,477 sqft

720 W Watersville Rd, Mount Airy, MD

For Sale

$845,000

3 bd4 ba3,162 sqft

4292 Molesworth Ter, Mount Airy, MD

For Sale

$695,000

5 bd3 ba2,668 sqft

5519 Cindy Ct, Mount Airy, MD

For Sale

$750,000

4 bd3 ba3,792 sqft

13612 Jacobs Rd, Mount Airy, MD

For Sale

$729,900

5 bd4 ba3,134 sqft

1410 Summer Sweet Ln, Mount Airy, MD

For Sale

$849,000

4 bd4 ba3,418 sqft

3312 Heavenly Cause Ct, Mount Airy, MD

For Sale

$759,000

4 bd5 ba3,556 sqft

4750 Marianne Dr, Mount Airy, MD

For Sale

$975,000

4 bd4 ba3,252 sqft

685 W Watersville Rd, Mount Airy, MD

For Sale

$699,900

4 bd4 ba3,481 sqft

1203 Kingsbridge Ter, Mount Airy, MD

For Sale

$865,000

4 bd3 ba2,324 sqft

7275 Hattery Farm Ct, Mount Airy, MD

For Sale

$550,000

4 bd4 ba2,365 sqft

4525 Roop Rd, Mount Airy, MD

For Sale

$674,999

4 bd3 ba2,568 sqft

3895 Buffalo Rd, New Windsor, MD

For Sale

$550,000

4 bd2 ba1,772 sqft

13611 Harrisville Rd, Mount Airy, MD

For Sale

$680,000

3 bd3 ba2,534 sqft

2726 Loch Haven Dr, Ijamsville, MD

For Sale

$995,000

6 bd4 ba2,651 sqft

3222 Kimberly Dr, Mount Airy, MD

For Sale

$799,900

3 bd4 ba2,631 sqft

25801 Long Corner Rd, Gaithersburg, MD

For Sale

$800,000

4 bd3 ba3,614 sqft

14865 Bushy Park Rd, Cooksville, MD

For Sale

$525,000

3 bd2 ba1,648 sqft

2900 Gillis Rd, Mount Airy, MD

For Sale

$779,000

3 bd3 ba2,544 sqft

3174 Cardinal Dr, Westminster, MD

Tour This Home

Pick a date

Preferred time

Apr 9, 2026

No obligation · Same-day confirmation · Takes 30 seconds

Need a different time? Request custom scheduling

Have a Question?

Get details on this property, the neighborhood, or the buying process.

Ask About This Property

We typically respond within a few hours

Download property brochure

Photos, details & neighborhood info in one PDF

Get brochure

Free · No sign-up required

Get pre-approved

Know your budget & strengthen your offer

Check eligibility

Value estimates

Live

Est. value$739,100

Est. rent$3,885/mo

30yr rate est.6.09%

Affordability$4,465/mo

Own a home nearby?

See what it's worth in today's market

Get estimate

Schedule Tour Ask

No obligation · Same-day response