Google street view image for 502 Prospect Rd, Mount Airy, MD 21771

OFF MARKET

$329,766

—

•

1 ba

•

768

sq ft

502 Prospect Rd, Mount Airy, MD 21771

About this home

502 Prospect Rd is a 768 square foot house on a 0.5 acre lot with 1 bathroom. Based on Redfin's Mount Airy data, we estimate the home's value is $329,766.

Single-familyProperty Type

1939Year Built

0.5 acresLot Size

$429Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$329,766

$0 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 33.7% lower than the average sale price ($498K) of 6 comparable homes.

SOLD BY REDFIN AUG 14, 2026
$425,000
A
2 beds1 bath884 sq ft
203 Frederick Ave, Mount Airy, MD 21771
SOLD MAY 14, 2026
$545,000
B
3 beds2.5 baths1,144 sq ft
11 Baker Ave, Mount Airy, MD 21771
SOLD AUG 12, 2026
$485,000
C
3 beds2.5 baths2,000 sq ft
1002 Midvale Ave, Mount Airy, MD 21771
SOLD JAN 29, 2026
$475,000
D
4 beds1 bath1,444 sq ft
701 Park Ave, Mount Airy, MD 21771
SOLD JUL 6, 2026
$525,000
E
3 beds2.5 baths1,832 sq ft
1103 Midvale Ave, Mount Airy, MD 21771
SOLD AUG 12, 2026
$530,300
F
3 beds3 baths1,966 sq ft
5757 Woodville Rd, 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

$308,753

Est. take-home

List your home with Redfin and save $3,298

Market trends in 21771, MD

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.5%

+0.1% MoM

Median sale price

$685K

$7K MoM

Avg. days on market

25d

0 days MoM

Recently sold homes

10 MoM

New listings for sale

COMING SOON
$699,900
4 beds2.5 baths2,180 sq ft
1103 Sleighill Ct, Mount Airy, MD 21771
(240) 309-6000
NEW 5 HRS AGO
$359,900
3 beds1 bath1,167 sq ft
4705 Ridge Rd, Mount Airy, MD 21771
(410) 751-1221
COMING SOON
$459,900
3 beds2.5 baths2,522 sq ft
1722 Trestle St, Mount Airy, MD 21771
(301) 831-5099
OPEN SUN, 11AM TO 1PM
$469,900
3 beds3.5 baths1,924 sq ft
1633 Pullman Ct, Mount Airy, MD 21771
(410) 730-3456
LISTED BY REDFIN 11 HRS AGO
$625,000
3 beds2.5 baths2,486 sq ft
5810 Corporal Jones, Mount Airy, MD 21771
OPEN SAT, 11AM TO 1PM
$750,000
4 beds3.5 baths3,544 sq ft
810 Bridlewreath Way, Mount Airy, MD 21771
(301) 644-1086
OPEN SUN, 12PM TO 2PM
$739,900
4 beds3.5 baths3,500 sq ft
7050 Shadyside Dr, Mount Airy, MD 21771
(301) 831-5600
$324,900
3 beds1.5 baths1,623 sq ft
914 Merridale Blvd, Mount Airy, MD 21771
(240) 309-6000
$385,000
3 beds2.5 baths1,400 sq ft
126 N Towne Ct, Mount Airy, MD 21771
(855) 450-0442
$595,000
4 beds3 baths3,054 sq ft
14330 Liberty Rd, Mount Airy, MD 21771
(301) 271-3487
See all

Provided by Redfin

Sale history for 502 Prospect Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$3,284 (+4.8%)

2024

$3,132 (+9.4%)

2023

$2,864 (+4.4%)

$124,700 + $109,300

$234,000

2022

$2,745 (+3.6%)

2021

$2,650 (+2.1%)

2020

$2,595 (+1.2%)

$105,700 + $98,700

$204,400

2019

$2,564 (+0.2%)

2018

$2,558 (+2.0%)

$105,700 + $90,800

$196,500

2017

$2,508 (+1.0%)

2015

$2,483 (−0.3%)

$105,700 + $84,200

$189,900

2014

$2,491 (+4.0%)

2013

$2,396 (+3.9%)

2012

$2,305 (+3.9%)

2011

$2,219

2010

$2,219 (+14.3%)

2009

$1,941

Tax history for 502 Prospect Rd

Year

Property tax

Land + Additions

Assessment*

2025

$3,284 (+4.8%)

2024

$3,132 (+9.4%)

2023

$2,864 (+4.4%)

$124,700 + $109,300

$234,000

2022

$2,745 (+3.6%)

2021

$2,650 (+2.1%)

2020

$2,595 (+1.2%)

$105,700 + $98,700

$204,400

2019

$2,564 (+0.2%)

2018

$2,558 (+2.0%)

$105,700 + $90,800

$196,500

2017

$2,508 (+1.0%)

2015

$2,483 (−0.3%)

$105,700 + $84,200

$189,900

2014

$2,491 (+4.0%)

2013

$2,396 (+3.9%)

2012

$2,305 (+3.9%)

2011

$2,219

2010

$2,219 (+14.3%)

2009

$1,941

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

Existing Residential District

The RE District is intended to maintain the attractive, pleasant living environment of existing low-density residential neighborhoods, and to keep these areas free from land usage which might adversely affect these neighborhoods.

Permitted uses

Include but are not limited to:

Housing-Single unit
Park & open space

Property details

Interior

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Heating Type: Baseboard Hot Water

Fireplace Information
# of Fireplaces: 1
Fireplace Type: 2 Story Brick
Has Fireplace

Exterior

Exterior Information
Building Construction Quality: Average
Exterior Wall: Aluminum/Vinyl
Roof Shape Type: Metal
Building Type: Single Family

Property Information
Subdivision Name: MT AIRY
Living Sq. Ft: 768
Building Sq. Ft: 768
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: LT 1/2 AC S/S PROSPECT RD. MT. AIRY

Parking & Garage Information
Parking Type: Detached Frame Garage
Garage/Parking Sq. Ft: 720
Garage / Carport Type: Detached Frame

Lot Information
# of Buildings: 1
Land Sq. Ft: 21,780
Legal Lot Number: 1
Municipality Name: MT. AIRY
Acres: 0.5
State Use Description: RESIDENTIAL

Utility Information
Sewer Type: Public

Financial

Assessor Information
Assessment Year: 2026
Tax District County: 18

Public facts

Beds: —
Baths: 1.0
Sq. Ft.: 768
Stories: 1.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1939
Year Renovated: —
County: Frederick County
APN: 18 374811

Home facts updated by county records on Jul 17, 2026

Around this home

Schools

Twin Ridge Elementary School

Public PreK-5 • Assigned • 1.0mi

9/10

Windsor Knolls Middle School

Public 6-8 • Assigned • 7.4mi

9/10

Linganore High School

Public 9-12 • Assigned • 5.8mi

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

3/10 Fire Factor

0.15% 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

8% chance of strong winds in next 30 years

2/10 Air Factor

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

Provided by First Street

Historical weather

Mount Airy, MD • 21771

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

9.2 hrs

4.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$314,000 – $380,000

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Nearby similar homes

$950,000

Land— sq ft

17794 Old Frederick Rd, Mt Airy, MD 21771

(410) 788-9995

$482,500

3 beds2.5 baths2,100 sq ft

10 West Rd, Mount Airy, MD 21771

(888) 860-7369

$1,650,000

4 beds2.5 baths3,860 sq ft

806 Park Ave, Mount Airy, MD 21771

(240) 367-9600

$924,000

4 beds3 baths5,272 sq ft

6243 Woodville, Mount Airy, MD 21771

(443) 757-3400

LISTED BY REDFIN3D WALKTHROUGH

$499,000

4 beds2 baths1,860 sq ft

205 Sycamore Rd, Mount Airy, MD 21771

3D WALKTHROUGH

$799,900

4 beds3.5 baths4,248 sq ft

3814 Boteler Rd, Mount Airy, MD 21771

(301) 591-3920

New listings for sale in 21771

COMING SOON

$699,900

4 beds2.5 baths2,180 sq ft

1103 Sleighill Ct, Mount Airy, MD 21771

(240) 309-6000

NEW 5 HRS AGO

$359,900

3 beds1 bath1,167 sq ft

4705 Ridge Rd, Mount Airy, MD 21771

(410) 751-1221

COMING SOON

$459,900

3 beds2.5 baths2,522 sq ft

1722 Trestle St, Mount Airy, MD 21771

(301) 831-5099

OPEN SUN, 11AM TO 1PM

$469,900

3 beds3.5 baths1,924 sq ft

1633 Pullman Ct, Mount Airy, MD 21771

(410) 730-3456

LISTED BY REDFIN 11 HRS AGO3D WALKTHROUGH

$625,000

3 beds2.5 baths2,486 sq ft

5810 Corporal Jones, Mount Airy, MD 21771

OPEN SAT, 11AM TO 1PM

$750,000

4 beds3.5 baths3,544 sq ft

810 Bridlewreath Way, Mount Airy, MD 21771

(301) 644-1086

OPEN SUN, 12PM TO 2PM

$739,900

4 beds3.5 baths3,500 sq ft

7050 Shadyside Dr, Mount Airy, MD 21771

(301) 831-5600

$324,900

3 beds1.5 baths1,623 sq ft

914 Merridale Blvd, Mount Airy, MD 21771

(240) 309-6000

$385,000

3 beds2.5 baths1,400 sq ft

126 N Towne Ct, Mount Airy, MD 21771

(855) 450-0442

Home values near 502 Prospect Rd

Data from public records.

Address	Redfin Estimate
509 Prospect Road, Mount Airy, MD - Beds \| 2.5 Baths \| 1420 Sq. Ft.	$446,231
505 Prospect Road, Mount Airy, MD - Beds \| 1 Baths \| 1894 Sq. Ft.	$415,806

Address	Redfin Estimate
407 Prospect Road #A, Mount Airy, MD - Beds \| 3 Baths \| 2226 Sq. Ft.	$610,253
409 Prospect Road, Mount Airy, MD 3 Beds \| 1.5 Baths \| 1900 Sq. Ft.	$344,995

Address	Redfin Estimate
407 Prospect Road, Mount Airy, MD 3 Beds \| 3 Baths \| 3052 Sq. Ft.	$635,223
411 Prospect Road, Mount Airy, MD 4 Beds \| 1.5 Baths \| 2390 Sq. Ft.	$456,377

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GreatSchools Ratings provided by GreatSchools.org.

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