OFF MARKET

Off Market Sep 2017 for $671K

$954,858

Est. refi paymentEst. refi $4,287/mo

•

3,194

sq ft

28 Treworthy Rd, Gaithersburg, MD 20878

About this home

Single-familyProperty Type

1978Year Built

0.29 acresLot Size

$299Est. Price/Sq.Ft.

2 car garageParking

Listed by Michelle Yu • RE/MAX Town Center

•301-540-2232 (broker)

•remax.towncenter.dmv@gmail.com (broker)

Bought with Wei-Hong Hong • Evergreen Properties

•703-883-3788 (broker)

Redfin checked: 3 minutes ago

•Source:BRIGHT MLS #1002518877

Redfin Estimate

$954,858

$284K since sold in September 2017$20K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.9% lower than the average sale price ($983K) 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 APR 30, 2026
$985,000
B
5 beds2.5 baths3,194 sq ft
6 Thorburn Pl, Gaithersburg, MD 20878
SOLD OCT 3, 2025
$865,000
C
4 beds3.5 baths3,014 sq ft
11117 Rutledge, North Potomac, MD 20878
SOLD JUN 30, 2026
$885,000
D
5 beds3.5 baths3,511 sq ft
124 Englefield Dr, Gaithersburg, MD 20878
SOLD AUG 21, 2026
$1,175,000
E
5 beds3.5 baths3,461 sq ft
11 Argosy Ct, Gaithersburg, MD 20878
SOLD MAY 28, 2026
$1,130,000
F
4 beds3.5 baths3,881 sq ft
132 Upshire Cir, Gaithersburg, MD 20878

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Earn from this home

Sell

$461,964

Est. take-home

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Refinance

Est. cash available

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Rent

$4,132/mo

Redfin rental estimate

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Market trends in 20878, MD

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.9%

0.4% MoM

Median sale price

$795K

$35K MoM

Avg. days on market

34d

4 days MoM

Recently sold homes

214

7 MoM

New listings for sale

OPEN SAT, 2PM TO 3:30PM
$1,080,000
5 beds3.5 baths3,262 sq ft
10921 Outpost Dr, North Potomac, MD 20878
(301) 523-8008
COMING SOON
$675,000
3 beds2.5 baths1,752 sq ft
11620 Happy Choice Ln, North Potomac, MD 20878
(301) 299-6000
OPEN SAT, 1PM TO 3PM
$789,900
4 beds2.5 baths2,300 sq ft
629 Chestnut Hill Mews, Gaithersburg, MD 20878
(240) 258-8738
NEW 16 HRS AGO
$675,900
3 beds3 baths2,425 sq ft
367 Parkview Ave, Gaithersburg, MD 20878
(866) 987-3937
$450,000
3 beds3 baths1,220 sq ft
9 Prairie Rose Ct Unit 9-5, Gaithersburg, MD 20878
(410) 531-0321
EARLY ACCESS
$469,000
3 beds3 baths1,818 sq ft
24 Goodport Ln, Gaithersburg, MD 20878
OPEN SAT, 1PM TO 3PM
$535,000
3 beds2.5 baths2,611 sq ft
402 Orchard Ridge Dr, Gaithersburg, MD 20878
(202) 518-8781
$275,000
2 beds2 baths964 sq ft
301 Palmspring Dr Unit 3-4, Gaithersburg, MD 20878
(240) 219-2422
$685,000
3 beds2.5 baths2,180 sq ft
9423 Fields Rd, Gaithersburg, MD 20878
(301) 578-2999
$525,000
3 beds3.5 baths1,900 sq ft
509 Philmont Dr, Gaithersburg, MD 20878
(301) 424-0900
See all

Provided by Redfin

Sale history for 28 Treworthy Rd

Date

Event

Price

BRIGHT MLS #1002518877

Sep 14, 2017

Sold

$671,000

$210/sq ft

MRIS #MC9936559

Sep 14, 2017

Sold

$671,000

$210/sq ft

Aug 4, 2017

Pending

—

Jun 1, 2017

Price Changed

$212/sq ft

May 4, 2017

Listed

$219/sq ft

+25

MRIS #MC7809157

May 18, 2012

Sold

$625,500

$196/sq ft

Apr 11, 2012

Pending

—

Apr 3, 2012

Listed

$207/sq ft

BRIGHT MLS #1003920574

May 18, 2012

Sold

$625,500

$196/sq ft

Apr 10, 2012

Listing Removed

—

Apr 3, 2012

Listed

$659,900

$207/sq ft

+29

Public Records

Sep 14, 1999

Sold

$327,900

$103/sq ft

MRIS #MC2777275

Jul 10, 1999

Delisted

—

Jun 29, 1999

Listed

$103/sq ft

Public Records

Jun 13, 1980

Sold

$147,000

$46/sq ft

** Price available after signing in.

Year

Property tax

Land + Additions

Assessment*

2025

$10,117 (+6.7%)

$299,400 + $543,600

$843,000

2024

$9,482 (+7.2%)

2023

$8,846 (+6.0%)

2022

$8,346 (+2.7%)

$299,400 + $409,500

$708,900

2021

$8,123 (+3.8%)

2020

$7,826 (+1.9%)

2019

$7,682 (+1.6%)

$299,400 + $347,700

$647,100

2018

$7,561 (+0.6%)

2017

$7,515 (+23.4%)

$299,400 + $315,100

$614,500

2015

$6,088 (−2.5%)

$242,300 + $270,600

$512,900

2014

$6,244 (+1.3%)

2013

$6,163 (−6.3%)

2012

$6,578 (+3.7%)

2011

$6,341

2010

$6,341 (+30.3%)

2009

$4,868

Tax history for 28 Treworthy Rd

Year

Property tax

Land + Additions

Assessment*

2025

$10,117 (+6.7%)

$299,400 + $543,600

$843,000

2024

$9,482 (+7.2%)

2023

$8,846 (+6.0%)

2022

$8,346 (+2.7%)

$299,400 + $409,500

$708,900

2021

$8,123 (+3.8%)

2020

$7,826 (+1.9%)

2019

$7,682 (+1.6%)

$299,400 + $347,700

$647,100

2018

$7,561 (+0.6%)

2017

$7,515 (+23.4%)

$299,400 + $315,100

$614,500

2015

$6,088 (−2.5%)

$242,300 + $270,600

$512,900

2014

$6,244 (+1.3%)

2013

$6,163 (−6.3%)

2012

$6,578 (+3.7%)

2011

$6,341

2010

$6,341 (+30.3%)

2009

$4,868

*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
Permits

Beds

—

Baths

4.5

Stories

Lot width

—

Lot depth

—

Lot size

0.29 Acres

Year renovated

—

Sq. Ft.

3,474

Year built

1978

Style

Single Family Residential

County

Montgomery County

APN

09 01523051

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 17, 2026.

Oct 7, 2022 • Final

Residential electrical - no service change

Perform a like-for-like replacement of a 200 amp electrical panel.

Electrical

Oct 6, 2010 • Final

Permits plus archive - mechanical

HVAC

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

Parking

Parking Information
# of Attached Garage Spaces: 2
Garage Features: Garage Door Opener
# of Total Garage and Parking Spaces: 2
Has Garage
# of Garage Spaces: 2
Garage, Paved Driveway
Driveway, On Street, Attached Garage

Interior

Virtual Tour

Bedroom Information
# of Bedrooms On 1st Upper Level: 4

Bathroom Information
# of Bathrooms (Full) On 1st Upper Level: 2
# of Bathrooms (Half) On Main Level: 1
# of Bathrooms (Full) On 1st Lower Level: 2
# of Bathrooms (Half): 1
# of Bathrooms (Full): 4

Interior Information
Appliances: Cooktop, Dishwasher, Disposal, Dryer, Exhaust Fan, Range Hood, Washer, Refrigerator, Oven - Double, Oven - Wall, Water Heater
Door Features: Sliding Glass
Entry Location: Foyer
Interior Features: Family Room Off Kitchen, Kitchen - Gourmet, Kitchen - Table Space, Dining Area, Master Bath(s), Upgraded Countertops, Crown Moldings, Wood Floors, Recessed Lighting, Floor Plan - Traditional
Living Area Sq.Ft. Source: Estimated
Wall & Ceiling Types: Dry Wall

Room Information
Living Room, Dining Room, Master Bedroom, Sitting Room, Bedroom 2, Bedroom 3, Bedroom 4, Kitchen, Game Room, Family Room, Foyer, Study, Sun/Florida Room, Exercise Room, Laundry, Utility Room

Fireplace Information
Has Fireplace
# of Fireplaces: 1
Fireplace - Glass Doors (N)

Basement Information
Basement: Yes
Connecting Stairway, Rear Entrance, Daylight, Full, Fully Finished, Heated, Outside Entrance, Walkout Stairs, Windows, Improved

Exterior

Property Information
Total Below Grade Sq. Ft.: 550
Improvement Assessed Value: $315,100
Ownership Interest: Fee Simple
Property Condition: Very Good
Year Built Source: Estimated

Building Information
Construction Materials: Combination, Brick
Other Structures: Above Grade, Below Grade
Outdoor Living Structures: Patio(s)
Roof: Asphalt
Structure Type: Detached
Window Features: Double Pane, Skylights

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $299,400

Above Grade Information
Finished Sq.Ft.: 2,644
Finished Sq.Ft. Source: Estimated

Below Grade Information
Finished Sq.Ft.: 550
Finished Sq.Ft. Source: Estimated

Financial

Tax Information
City/Town Tax: $1,521.26
County Tax: $6,110.58
Tax Assessed Value: $614,500
Tax Year: 2017
Tax Annual Amount: $7,885.40

Assessments Information
Special Assessment Payment: Annually
Year Assessed: 2017

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C
Cooling Fuel: Electric
Forced Air
Heating Fuel: Oil
Hot Water: Electric
Sewer Septic: Public Sewer
Cable TV Available
Water Source: Public

Location

School Information
Elementary School: DUFIEF
Middle Or Junior School: ROBERT FROST
High School: THOMAS S. WOOTTON
School District Name: MONTGOMERY COUNTY PUBLIC SCHOOLS

Location Information
In City Limits
Directions: FROM WESTBOUND DARNESTOWN RD (RT 28), TURN RIGHT ONTO TREWORTHY (28 TREWORTHY ON THE LEFT SIDE)
Municipality: GAITHERSBURG
Has View

Public facts

Beds: —
Baths: 4.5
Sq. Ft.: 3,474
Stories: 2.0
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: —
County: Montgomery County
APN: 09 01523051

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 • 3.0mi

9/10

Thomas S. Wootton High School

Public 9-12 • Assigned • 3.1mi

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...
3 weeks ago • Gaithersburg
Bryan Kerrigan
Redfin Premier agent
737 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

$908,000 – $1.10M

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New listings for sale in 20878

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301 Palmspring Dr Unit 3-4, Gaithersburg, MD 20878

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Home values near 28 Treworthy Rd

Data from public records.

Address	Redfin Estimate
34 Treworthy Rd, Gaithersburg, MD - Beds \| 2.5 Baths \| 2220 Sq. Ft.	$800,130
24 Treworthy Rd, Gaithersburg, MD - Beds \| 2.5 Baths \| 2220 Sq. Ft.	$784,709

Address	Redfin Estimate
32 Treworthy Rd, Gaithersburg, MD 4 Beds \| 2.5 Baths \| 3288 Sq. Ft.	$921,487
22 Treworthy Rd, Gaithersburg, MD - Beds \| 2.5 Baths \| 3088 Sq. Ft.	$921,035

Address	Redfin Estimate
26 Treworthy Rd, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 3388 Sq. Ft.	$959,588
20 Treworthy Rd, Gaithersburg, MD - Beds \| 2.5 Baths \| 3050 Sq. Ft.	$874,972

Property information provided by BRIGHT MLS when last listed in 2017. 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 20878, MD

Sale history for 28 Treworthy Rd

Tax history for 28 Treworthy Rd

Public record

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 28 Treworthy Rd

More real estate resources