OFF MARKET

Off market mar 2021 for $315K

$420,125

Est. refi paymentEst. refi $2,461/mo

•

1,386

sq ft

440 W Deer Park Rd Unit 9-D, Gaithersburg, MD 20877

About this home

TownhomeProperty Type

1971Year Built

$303Est. Price/Sq.Ft.

Listed by Warren Duplinsky • Samson Properties

•240-630-8689 (broker)

Bought with Cher Sorzano • Homesource United

•301-805-5200 (broker)

•info@hsres.com (broker)

Redfin checked: a minute ago

•Source:BRIGHT MLS #MDMC742166

Redfin Estimate

$420,125

$105K since sold in March 2021$8,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 24.5% higher than the average sale price ($338K) of 6 comparable homes.

SOLD SEP 10, 2026
$389,000
A
6 beds3.5 baths1,375 sq ft
972 W Side Dr Unit 21-F, Gaithersburg, MD 20878
SOLD JUN 29, 2026
$354,200
B
5 beds3.5 baths1,500 sq ft
352 W Deer Park Rd Unit 5B, Gaithersburg, MD 20877
SOLD SEP 4, 2026
$344,000
C
4 beds3.5 baths1,211 sq ft
758 W Side Dr Unit 7-G, Gaithersburg, MD 20878
SOLD JUL 1, 2026
$372,900
D
5 beds2.5 baths1,500 sq ft
514 W Deer Park Rd Unit 18-F, Gaithersburg, MD 20877
SOLD OCT 14, 2026
$180,000
E
3 beds2 baths1,278 sq ft
130 Duvall Ln Unit 197-301, Gaithersburg, MD 20877
SOLD MAY 22, 2026
$385,000
F
4 beds3.5 baths1,500 sq ft
322 W Deer Park Rd Unit 2-C, Gaithersburg, MD 20877

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Sell

$169,925

Est. take-home

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Refinance

Est. cash available

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Rent

$2,199/mo

Redfin rental estimate

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Market trends in 20877, MD

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.3%

0.7% MoM

Median sale price

$437K

$18K MoM

Avg. days on market

70d

20 days MoM

Recently sold homes

6 MoM

New listings for sale

3D WALKTHROUGH
$675,000
4 beds2.5 baths2,796 sq ft
3 Quantum Ln, Gaithersburg, MD 20877
(301) 774-5900
COMING SOON
7617 Laytonia Dr, Gaithersburg, MD 20877
$360,000
3 beds2.5 baths1,350 sq ft
7617 Laytonia Dr, Gaithersburg, MD 20877
(240) 630-8689
$250,000
3 beds2 baths1,321 sq ft
454 Girard St Unit T3, Gaithersburg, MD 20877
(301) 299-4074
$539,000
3 beds2.5 baths2,712 sq ft
117 Linden Hall Ln, Gaithersburg, MD 20877
(855) 885-4663
$170,000
2 beds1 bath788 sq ft
128 Duvall Ln Unit 182-30 UNIT 302, Gaithersburg, MD 20877
(301) 434-4065
$374,900
4 beds3 baths2,752 sq ft
17719 Larchmont Ter, Gaithersburg, MD 20877
(703) 378-8810
$929,000
4 beds4.5 baths4,796 sq ft
9304 Pennywise Ln, Gaithersburg, MD 20877
(301) 578-2999
$690,840
3 beds1.5 baths2,652 sq ft
403 E Diamond Ave, Gaithersburg, MD 20877
(888) 219-3009
$395,000
4 beds3.5 baths1,312 sq ft
17721 Topfield Dr Unit 5-A, Gaithersburg, MD 20877
(301) 917-3421
$650,000
5 beds3 baths3,014 sq ft
2 Duvall Ln, Gaithersburg, MD 20877
(301) 948-4811
See all

Provided by Redfin

Sale history for 440 W Deer Park Rd Unit 9-D

Date

Event

Price

Public Records

Apr 29, 2021

Sold

$315,300

$227/sq ft

BRIGHT MLS #MDMC742166

Mar 8, 2021

Sold

$315,300

$227/sq ft

Jan 29, 2021

Price Changed

$351,000

$253/sq ft

Jan 29, 2021

Contingent

—

Jan 27, 2021

Listed

$319,900

$231/sq ft

MRIS #MC6990478

Jun 19, 2009

Contingent

—

Apr 13, 2009

Contingent

—

BRIGHT MLS #1005185984

Jun 30, 2009

Sold

$107,500

$78/sq ft

Jun 19, 2009

Listing Removed

—

Feb 24, 2009

Listed

$114,900

$83/sq ft

Public Records

Feb 28, 2001

Sold

$137,000

$99/sq ft

Public Records

Apr 1, 1987

Sold

$70,000

$51/sq ft

Public Records

Apr 6, 1976

Sold

$38,000

$27/sq ft

Tax history for 440 W Deer Park Rd Unit 9-D

*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

3.5

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

2026

Sq. Ft.

1,386

Year built

1971

Style

Townhouse

County

Montgomery County

APN

09 00823947

Parking Spaces

—

Basement

Yes

Accessible

HOA Dues

$278 /month

Garage

Features

Pool

Last updated by owner on Mar 28, 2026.

Property details

Parking

Parking Information
Parking Lot

Interior

Virtual Tour

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

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

Interior Information
Living Area Sq.Ft. Source: Assessor

Basement Information
Basement: Yes
Fully Finished

Exterior

Property Information
Not Federal Flood Zone
Total Below Grade Sq. Ft.: 0
Improvement Assessed Value: $185,500
Ownership Interest: Condominium
Year Built Source: Assessor

Building Information
Building Name: BIRGHTON EAST CO
Construction Materials: Brick Front
Other Structures: Above Grade, Below Grade
Pets Allowed: Yes
Pet Restrictions: No Pet Restrictions
Structure Type: Interior Townhouse/Rowhouse

Pool Information
Community Pool

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $79,500

Above Grade Information
Finished Sq.Ft.: 1,386
Finished Sq.Ft. Source: Assessor

Below Grade Information
Unfinished Sq.Ft. Source: Assessor
Finished Sq.Ft. Source: Assessor

Financial

Tax Information
City/Town Tax: $615
County Tax: $2,325
Tax Assessed Value: $245,000
Tax Year: 2021
Tax Annual Amount: $3,182

Assessments Information
Year Assessed: 2021

Lease Information
Lease Considered: No

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C
Cooling Fuel: Electric
Forced Air
Heating Fuel: Natural Gas
Hot Water: Natural Gas
Sewer Septic: Public Sewer
Water Source: Public

Location

Homeowners Association Information
Condo/Coop Fee: $278.27
Condo/Coop Fee Frequency: Monthly
HOA/Condo/Coop Fee Includes: Common Area Maintenance, Lawn Maintenance, Management, Parking Fee, Pool(s), Reserve Funds, Road Maintenance, Trash
HOA/Condo/Coop Amenities: Pool - Outdoor, Tot Lots/Playground

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

Location Information
Outside City Limits
Directions: west deer park
Municipality: Gaithersburg

Public facts

Beds: 5
Baths: 3.5
Sq. Ft.: 1,386
Stories: —
Parking Spaces: —
Basement: Yes
Accessible: No
Lot Size: —
Style: Townhouse
Year Built: 1971
Year Renovated: 2026
County: Montgomery County
APN: 09 00823947
HOA Dues: $278/month
Garage: No
Features: Pool

Home facts updated by owner on Mar 28, 2026

Around this home

Schools

K - 12
Preschool & daycare

Summit Hall Elementary School

Public PreK-5 • Assigned • 0.4mi

5/10

Forest Oak Middle School

Public 6-8 • Assigned • 1.9mi

5/10

Gaithersburg High School

Public 9-12 • Assigned • 0.5mi

3/10

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
743 deals
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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...
3 weeks ago • Gaithersburg
Kris Paolini
Redfin Premier agent
797 deals
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Historical weather

Gaithersburg, MD • 20877

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

$400,000 – $484,000

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9304 Pennywise Ln, Gaithersburg, MD 20877

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Home values near 440 W Deer Park Rd Unit 9-D

Data from public records.

Address	Redfin Estimate
390 W Deer Park Road Unit 13, Gaithersburg, MD - Beds \| 1 Baths \| 1872 Sq. Ft.	$413,109
372 W Deer Park Road Unit 7C, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$314,099
366 W Deer Park Road Unit 7F, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$385,801
436 W Deer Park Road Unit 9B, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 2281 Sq. Ft.	$398,693
446 W Deer Park Road Unit 9G, Gaithersburg, MD - Beds \| 1 Baths \| 1846 Sq. Ft.	$384,186
430 W Deer Park Road Unit 10C, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$318,070
416 W Deer Park Road Unit 11B, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$385,042

Address	Redfin Estimate
376 W Deer Park Road Unit 7A, Gaithersburg, MD - Beds \| 1 Baths \| 1500 Sq. Ft.	$354,148
370 W Deer Park Road Unit 7D, Gaithersburg, MD 3 Beds \| 2.5 Baths \| 2171 Sq. Ft.	$313,845
382 W Deer Park Road Unit 8D, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 1500 Sq. Ft.	$429,257
442 W Deer Park Road Unit 9E, Gaithersburg, MD - Beds \| 1 Baths \| 1500 Sq. Ft.	$405,714
426 W Deer Park Road Unit 10A, Gaithersburg, MD 3 Beds \| 2.5 Baths \| 1386 Sq. Ft.	$441,043
432 W Deer Park Road Unit 10D, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$338,141
420 W Deer Park Road Unit 11D, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 9999 Sq. Ft.	$357,492

Address	Redfin Estimate
374 W Deer Park Road Unit 7B, Gaithersburg, MD 3 Beds \| 3 Baths \| 2200 Sq. Ft.	$407,533
368 W Deer Park Road Unit 7E, Gaithersburg, MD - Beds \| 1 Baths \| 1500 Sq. Ft.	$304,714
434 W Deer Park Road Unit 9, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$384,748
444 W Deer Park Road Unit 9F, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$346,790
428 W Deer Park Road Unit 10B, Gaithersburg, MD 5 Beds \| 3.5 Baths \| 3429 Sq. Ft.	$437,301
414 W Deer Park Road Unit 11A, Gaithersburg, MD 4 Beds \| 2.5 Baths \| 2286 Sq. Ft.	$301,303
408 W Deer Park Road Unit 12B, Gaithersburg, MD 3 Beds \| 2.5 Baths \| 2286 Sq. Ft.	$408,436

Property information provided by BRIGHT MLS when last listed in 2021. This data may not show owner updates. Learn more.

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