Google street view image for 321 W Deer Park Rd, Gaithersburg, MD 20877

Off market dec 1986 for $126K

$608,249

Est. refi paymentEst. refi $838/mo

—

•

2.5 ba

•

2,409

sq ft

321 W Deer Park Rd, Gaithersburg, MD 20877

About this home

321 W Deer Park Rd is a 2,409 square foot house on a 10,302 square foot lot with 2.5 bathrooms. - it last sold on December 18, 1986 for $126,000. Based on Redfin's Gaithersburg data, we estimate the home's value is $608,249.

Single-familyProperty Type

1973Year Built

10,302 sq ftLot Size

$252Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$608,249

$482K since sold in December 1986$8,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.8% lower than the average sale price ($690K) of 6 comparable homes.

SOLD BY REDFIN OCT 29, 2026
$594,000
A
4 beds2.5 baths2,374 sq ft
8912 N Westland Dr, Gaithersburg, MD 20877
SOLD OCT 23, 2026
$650,000
B
4 beds3.5 baths2,772 sq ft
118 Summit Hall Rd, Gaithersburg, MD 20877
SOLD SEP 28, 2026
$699,000
C
6 beds3 baths2,673 sq ft
9 Duvall Ln, Gaithersburg, MD 20877
SOLD JUN 12, 2026
$725,000
D
4 beds2.5 baths2,564 sq ft
16621 Shea Ln, Gaithersburg, MD 20877
SOLD AUG 21, 2026
$620,000
E
4 beds3 baths2,080 sq ft
9008 Edgewood Dr, Gaithersburg, MD 20877
SOLD OCT 30, 2026
$849,900
F
4 beds3 baths2,096 sq ft
10 Treworthy Rd, Gaithersburg, MD 20878

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Sell

$571,251

Est. take-home

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Est. cash available

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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

99.5%

+0.1% MoM

Median sale price

$515K

$60K MoM

Avg. days on market

56d

13 days MoM

Recently sold homes

5 MoM

New listings for sale

LISTED BY REDFIN
$500,000
5 beds2 baths1,853 sq ft
17624 Lindstrom Ct, Gaithersburg, MD 20877
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
See all

Provided by Redfin

Sale history for 321 W Deer Park Rd

Year

Property tax

Land + Additions

Assessment*

2026

$7,169 (+18.8%)

$175,200 + $342,900

$518,100

2025

$6,033 (+9.6%)

$175,200 + $342,900

$518,100

2024

$5,507 (+10.1%)

2023

$5,000 (+3.9%)

2022

$4,813 (+0.7%)

$175,200 + $234,300

$409,500

2021

$4,781 (+1.7%)

2020

$4,701 (+3.2%)

2019

$4,555 (+3.0%)

$175,200 + $221,600

$396,800

2018

$4,422 (+1.9%)

2017

$4,337 (+18.5%)

$175,200 + $191,000

$366,200

2015

$3,661 (−1.5%)

$141,000 + $182,700

$323,700

2014

$3,718 (+1.2%)

2013

$3,675 (−18.5%)

2012

$4,511 (+4.4%)

2011

$4,321

2010

$4,321 (+14.0%)

2009

$3,791

Tax history for 321 W Deer Park Rd

Year

Property tax

Land + Additions

Assessment*

2026

$7,169 (+18.8%)

$175,200 + $342,900

$518,100

2025

$6,033 (+9.6%)

$175,200 + $342,900

$518,100

2024

$5,507 (+10.1%)

2023

$5,000 (+3.9%)

2022

$4,813 (+0.7%)

$175,200 + $234,300

$409,500

2021

$4,781 (+1.7%)

2020

$4,701 (+3.2%)

2019

$4,555 (+3.0%)

$175,200 + $221,600

$396,800

2018

$4,422 (+1.9%)

2017

$4,337 (+18.5%)

$175,200 + $191,000

$366,200

2015

$3,661 (−1.5%)

$141,000 + $182,700

$323,700

2014

$3,718 (+1.2%)

2013

$3,675 (−18.5%)

2012

$4,511 (+4.4%)

2011

$4,321

2010

$4,321 (+14.0%)

2009

$3,791

*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

Apr 29, 2025 • Final

Residential shed - new

Construct a new wood-framed shed with vinyl siding and architectural shingles.

New construction

Jan 8, 2024 • Final

Site development - private on-site

Remove existing concrete and install a new concrete walkway from the driveway to the front stoop.

Grading

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

Bathroom Information
# of Full Baths: 2
# 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: Average
Exterior Wall: Frame Brick
Building Type: Single Family

Property Information
Subdivision Name: BRIGHTON EAST 3
Living Sq. Ft: 2,409
Building Sq. Ft: 2,685
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: BRIGHTON EAST

Parking & Garage Information
Parking Type: Attached Brick Garage
Garage/Parking Sq. Ft: 276
Garage / Carport Type: Attached Brick

Lot Information
# of Buildings: 1
Land Sq. Ft: 10,302
Legal Lot Number: 50
Legal Block Number: A
Municipality Name: GAITHERSBURG
Acres: 0.2365
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: 2.5
Sq. Ft.: 2,409
Stories: 2.0
Lot Size: 10,302 square feet
Style: Single Family Residential
Year Built: 1973
Year Renovated: —
County: Montgomery County
APN: 09 00822794

Home facts updated by county records on Oct 14, 2026

Around this home

Schools

K - 12
Preschool & daycare

Summit Hall Elementary School

Public PreK-5 • Assigned • 0.2mi

5/10

Forest Oak Middle School

Public 6-8 • Assigned • 2.0mi

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...
3 weeks ago • Gaithersburg
Bryan Kerrigan
Redfin Premier agent
743 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...
3 weeks ago • Gaithersburg
Kris Paolini
Redfin Premier agent
798 deals
Was this helpful?

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 • 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

$578,000 – $700,000

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New listings for sale in 20877

LISTED BY REDFIN3D WALKTHROUGH

$500,000

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17624 Lindstrom Ct, Gaithersburg, MD 20877

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3D WALKTHROUGH

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COMING SOON

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3 beds2.5 baths1,350 sq ft

7617 Laytonia Dr, Gaithersburg, MD 20877

$84 HOA • 34 parking spots • Built 1970

(240) 630-8689

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3 beds2 baths1,321 sq ft

454 Girard St Unit T3, Gaithersburg, MD 20877

First-floor condo • Updated kitchen • Private patio

(301) 299-4074

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3 beds2.5 baths2,712 sq ft

117 Linden Hall Ln, Gaithersburg, MD 20877

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128 Duvall Ln Unit 182-30 UNIT 302, Gaithersburg, MD 20877

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17719 Larchmont Ter, Gaithersburg, MD 20877

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9304 Pennywise Ln, Gaithersburg, MD 20877

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Home values near 321 W Deer Park Rd

Data from public records.

Address	Redfin Estimate
1 Deer Park Ct, Gaithersburg, MD - Beds \| 2.5 Baths \| 2219 Sq. Ft.	$603,230
4 Deer Park Ct, Gaithersburg, MD - Beds \| 2.5 Baths \| 1886 Sq. Ft.	$628,669
1 Deer Park Ln, Gaithersburg, MD - Beds \| 2.5 Baths \| 2040 Sq. Ft.	$589,044
2 Deer Park Ln, Gaithersburg, MD 4 Beds \| 2 Baths \| 2219 Sq. Ft.	$485,060
512 West Deer Park Rd Apartment 18E, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$306,702
526 West Deer Park Rd Apartment 19B, Gaithersburg, MD 3 Beds \| 2.5 Baths \| 2083 Sq. Ft.	$392,547
520 West Deer Park Rd Apartment 19E, Gaithersburg, MD - Beds \| 1 Baths \| 1500 Sq. Ft.	$406,775

Address	Redfin Estimate
2 Deer Park Ct, Gaithersburg, MD 4 Beds \| 2.5 Baths \| 2332 Sq. Ft.	$514,489
5 Deer Park Ct, Gaithersburg, MD 6 Beds \| 3.5 Baths \| 2332 Sq. Ft.	$521,082
3 Deer Park Ln, Gaithersburg, MD 4 Beds \| 3 Baths \| 2790 Sq. Ft.	$689,449
498 West Deer Park Rd Apartment 17E, Gaithersburg, MD 3 Beds \| 2.5 Baths \| 1386 Sq. Ft.	$379,466
516 West Deer Park Rd Apartment 18G, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$384,286
524 West Deer Park Rd Apartment 19C, Gaithersburg, MD - Beds \| 1 Baths \| 1500 Sq. Ft.	$360,697
518 West Deer Park Rd Apartment 19F, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 2100 Sq. Ft.	$462,912

Address	Redfin Estimate
3 Deer Park Ct, Gaithersburg, MD - Beds \| 2.5 Baths \| 2219 Sq. Ft.	$598,152
323 West Deer Park Rd, Gaithersburg, MD 4 Beds \| 3 Baths \| 2563 Sq. Ft.	$503,550
4 Deer Park Ln, Gaithersburg, MD 3 Beds \| 2.5 Baths \| 1886 Sq. Ft.	$633,368
510 West Deer Park Rd Apartment 18D, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$344,769
528 West Deer Park Rd Apartment 19A, Gaithersburg, MD - Beds \| 1 Baths \| 1386 Sq. Ft.	$350,092
522 West Deer Park Rd Apartment 19D, Gaithersburg, MD 4 Beds \| 3 Baths \| 1386 Sq. Ft.	$430,956
124 Deer Park Ln, Gaithersburg, MD - Beds \| 2.5 Baths \| 1512 Sq. Ft.	$421,216

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