Google street view image for 17 Treworthy Rd, Gaithersburg, MD 20878

OFF MARKET

$877,052

—

•

3.5 ba

•

3,150

sq ft

17 Treworthy Rd, Gaithersburg, MD 20878

About this home

17 Treworthy Rd is a 3,150 square foot house on a 9,775 square foot lot with 3.5 bathrooms. Based on Redfin's Gaithersburg data, we estimate the home's value is $877,052.

Single-familyProperty Type

1973Year Built

9,775 sq ftLot Size

$278Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$877,052

$14K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.6% lower than the average sale price ($910K) of 6 comparable homes.

SOLD JUL 31, 2026
$858,000
A
4 beds3.5 baths3,240 sq ft
28 Redding Ridge Dr, N Potomac, MD 20878
SOLD JUL 15, 2026
$1,089,000
B
4 beds3.5 baths3,104 sq ft
14505 Snapdragon Cir, North Potomac, MD 20878
SOLD JUN 30, 2026
$885,000
C
5 beds3.5 baths3,511 sq ft
124 Englefield Dr, Gaithersburg, MD 20878
SOLD AUG 10, 2026
$815,000
D
4 beds3.5 baths3,411 sq ft
15108 Winesap Dr, North Potomac, MD 20878
SOLD APR 28, 2026
$765,000
E
6 beds3.5 baths3,188 sq ft
11916 Clover Knoll Rd, North Potomac, MD 20878
SOLD JUL 15, 2026
$1,045,000
F
4 beds3.5 baths3,316 sq ft
2 Frances Green Ct, North Potomac, MD 20878

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

Earn from this home

Sell

$824,624

Est. take-home

List your home with Redfin and save $8,771

Market trends in 20878, MD

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.4%

+0.1% MoM

Median sale price

$753K

$3K MoM

Avg. days on market

29d

2 days MoM

Recently sold homes

224

33 MoM

New listings for sale

$275,000
2 beds2 baths964 sq ft
301 Palmspring Dr Unit 3-4, Gaithersburg, MD 20878
(240) 219-2422
NEW 19 HRS AGO
$685,000
3 beds2.5 baths2,180 sq ft
9423 Fields Rd, Gaithersburg, MD 20878
(301) 578-2999
OPEN SUN, 12PM TO 2PM
$525,000
3 beds3.5 baths1,900 sq ft
509 Philmont Dr, Gaithersburg, MD 20878
(301) 424-0900
3D WALKTHROUGH
$1,049,990
6 beds4.5 baths3,608 sq ft
11516 Parsippany Ter, North Potomac, MD 20878
(703) 378-8810
$815,000
5 beds3.5 baths3,150 sq ft
132 Liriope Pl, Gaithersburg, MD 20878
(301) 774-5900
OPEN SUN, 12:30PM TO 3:30PM
$540,000
3 beds3.5 baths850 sq ft
407 Fleece Flower Dr, Gaithersburg, MD 20878
(301) 445-1395
COMING SOON
101 Smoothleaf Ln, Gaithersburg, MD 20878
$549,900
2 beds2.5 baths1,320 sq ft
101 Smoothleaf Ln, Gaithersburg, MD 20878
(301) 652-0643
$499,000
3 beds2.5 baths1,714 sq ft
410 Curry Ford Ln, Gaithersburg, MD 20878
(240) 630-8689
$615,000
4 beds3 baths1,538 sq ft
12108 Sioux Pl, Gaithersburg, MD 20878
(855) 450-0442
OPEN SUN, 1PM TO 3PM
$550,000
4 beds3.5 baths2,082 sq ft
25 Earth Star Pl, Gaithersburg, MD 20878
(202) 966-1400
See all

Provided by Redfin

Sale history for 17 Treworthy Rd

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

Year

Property tax

Land + Additions

Assessment*

2025

$9,386 (+7.5%)

$290,200 + $493,000

$783,200

2024

$8,734 (+8.0%)

2023

$8,086 (+6.6%)

2022

$7,584 (+3.4%)

$290,200 + $355,000

$645,200

2021

$7,333 (+4.5%)

2020

$7,014 (+0.1%)

2019

$7,005

$290,200 + $287,400

$577,600

2018

$7,011 (−4.9%)

$290,200 + $287,400

$577,600

2017

$7,371 (+24.9%)

$290,200 + $309,100

$599,300

2015

$5,902 (−1.5%)

$233,100 + $265,300

$498,400

2014

$5,991 (+1.3%)

2013

$5,912 (−1.1%)

2012

$5,975 (+4.1%)

2011

$5,740

2010

$5,740 (+10.6%)

2009

$5,192

Tax history for 17 Treworthy Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,386 (+7.5%)

$290,200 + $493,000

$783,200

2024

$8,734 (+8.0%)

2023

$8,086 (+6.6%)

2022

$7,584 (+3.4%)

$290,200 + $355,000

$645,200

2021

$7,333 (+4.5%)

2020

$7,014 (+0.1%)

2019

$7,005

$290,200 + $287,400

$577,600

2018

$7,011 (−4.9%)

$290,200 + $287,400

$577,600

2017

$7,371 (+24.9%)

$290,200 + $309,100

$599,300

2015

$5,902 (−1.5%)

$233,100 + $265,300

$498,400

2014

$5,991 (+1.3%)

2013

$5,912 (−1.1%)

2012

$5,975 (+4.1%)

2011

$5,740

2010

$5,740 (+10.6%)

2009

$5,192

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

Zoning and permits

Zoning
Permits

R-90

Medium Density Residential District

The R-90 Zone is intended to provide for medium-density residential areas primarily with single-family detached homes.

Permitted uses

Include but are not limited to:

Religious facility
Day care facility
Housing-Single unit
Housing-Other
Public service

Feb 23, 2023 • Final

Fire marshal inspection for mandated licenses

Establish a daycare facility for eight clients.

Fire sprinkler

Jan 23, 2019 • Final

Fire marshal inspection for mandated licenses

Fire sprinkler

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Basement Information
Basement Sq. Ft: 750
Basement Finish: Finished
Basement Type: Finished

Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1

Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air

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

Exterior

Exterior Information
Building Construction Quality: Good
Exterior Wall: Frame
Building Type: Single Family

Property Information
Subdivision Name: WESTLEIGH
Living Sq. Ft: 3,150
Building Sq. Ft: 3,722
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: WESTLEIGH 5549/643

Parking & Garage Information
Parking Type: Attached Frame Garage
Garage/Parking Sq. Ft: 572
Garage / Carport Type: Attached Frame

Lot Information
# of Buildings: 1
Land Sq. Ft: 9,775
Legal Lot Number: 28
Legal Block Number: F
Municipality Name: GAITHERSBURG
Acres: 0.2244
Zoning Code: R90
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL

Utility Information
Sewer Type: Public

Financial

Assessor Information
Assessment Year: 2026
Tax District County: 09

Public facts

Beds: —
Baths: 3.5
Sq. Ft.: 3,150
Stories: 1.0
Lot Size: 9,775 square feet
Style: Single Family Residential
Year Built: 1973
Year Renovated: —
County: Montgomery County
APN: 09 01522056

Home facts updated by county records on Jul 17, 2026

Around this home

Schools

Dufief Elementary School

Public K-5 • Assigned • 0.7mi

8/10

Robert Frost Middle School

Public 6-8 • Assigned • 2.9mi

9/10

Thomas S. Wootton High School

Public 9-12 • Assigned • 3.0mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Gaithersburg, MD, is known for its diverse community, historic landmarks like the Gaithersburg Community Museum, and modern developments like the Kentlands. It combines a rich heritage with thriving shopping, dining, and recreational options, making...
2 weeks ago • Gaithersburg
Bryan Kerrigan
Redfin Premier agent
737 deals
Was this helpful?
With so many different neighborhoods, Gaithersburg is consistently ranked as the #1 most diverse in the entire US!!! From the Kentlands story book design to the new urbanism of Crown Farm, there are several neighborhoods where you can live, play, and...
2 months ago • Gaithersburg
Kris Paolini
Redfin Premier agent
793 deals
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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

6/10 Heat Factor

7 days above 102° expected this year, 16 days in 30 years

4/10 Wind Factor

12% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Gaithersburg, MD • 20878

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

9.3 hrs

4.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$834,000 – $1.01M

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Home values near 17 Treworthy Rd

Data from public records.

Address	Redfin Estimate
10 Treworthy Rd, Gaithersburg, MD - Beds \| 2.5 Baths \| 2096 Sq. Ft.	$736,299
14 Treworthy Rd, Gaithersburg, MD 4 Beds \| 2.5 Baths \| 2096 Sq. Ft.	$900,345

Address	Redfin Estimate
18 Treworthy Rd, Gaithersburg, MD 4 Beds \| 2.5 Baths \| 2398 Sq. Ft.	$853,736
21 Treworthy Rd, Gaithersburg, MD - Beds \| 4 Baths \| 3610 Sq. Ft.	$912,042

Address	Redfin Estimate
16 Treworthy Rd, Gaithersburg, MD 6 Beds \| 3 Baths \| 2934 Sq. Ft.	$925,219
19 Treworthy Rd, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 2996 Sq. Ft.	$869,176

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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 20878, MD

Sale history for 17 Treworthy Rd

Tax history for 17 Treworthy Rd

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 20878

Home values near 17 Treworthy Rd

More real estate resources