OFF MARKET

Off market apr 2021 for $690K

$858,674

Est. refi paymentEst. refi $5,139/mo

—

•

4.5 ba

•

5,181

sq ft

20505 Addenbrook Way, Gaithersburg, MD 20879

About this home

* * OFFER DEADLINE - MONDAY, 08/31 @ 5:00 PM. PLEASE SUBMIT ALL OFFERS BY THIS DEADLINE * * Welcome home to this gorgeous 4 BR brick colonial w/ 4.5 updated BAs & 2 car garage on a quiet street in Goshen Estates! Enjoy beautiful newer hardwoods installed in the foyer & office, with built-ins & new frosted glass doors. The open, gourmet kitchen features granite counters & island, w/ new dishwasher, travertine backsplash & ceramic tile floor. The breakfast room features 3 skylights and opens to a huge, freshly painted deck w/ gazebo, overlooking a wooded lot. The owner's suite includes a tray ceiling & updated en-suite bath w/ jetted tub & shower. Additional features include 2 story foyer & family room w/ WB FP, vaulted ceilings, recessed lights & interior shutters. The fully finished walk-up basement includes a full bath, wet bar, large storage room & closets. Newer roof & HVAC!

Single-familyProperty Type

1993Year Built

9,433 sq ftLot Size

$166Est. Price/Sq.Ft.

2 car garageParking

Seller's agent

Bryan Kerrigan Redfin Corp

301-658-6186 (broker)

Bought with Philip Piantone • Long & Foster Real Estate, Inc.

•301-975-9500 (broker)

Source:BRIGHT MLS #MDMC722638

Redfin Estimate

$858,674

$169K since sold in April 2021$7,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.6% lower than the average sale price ($972K) of 5 comparable homes.

SOLD JUL 30, 2026
$890,000
A
5 beds4.5 baths4,438 sq ft
7412 Rosewood Manor Ln, Gaithersburg, MD 20882
SOLD AUG 27, 2026
$1,316,000
B
4 beds4.5 baths5,165 sq ft
20016 Belle Chase Dr, Gaithersburg, MD 20882
SOLD AUG 14, 2026
$942,000
C
4 beds3.5 baths4,647 sq ft
6521 Garden Grove Way, Gaithersburg, MD 20882
SOLD JUN 4, 2026
$925,000
D
4 beds3.5 baths4,632 sq ft
7633 Augustine Way, Gaithersburg, MD 20879
SOLD MAR 10, 2026
$785,000
E
4 beds3.5 baths2,952 sq ft
7475 Rosewood Manor Ln, Gaithersburg, MD 20882

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

Earn from this home

Sell

$315,301

Est. take-home

List your home with Redfin and save $8,587

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$4,303/mo

Redfin rental estimate

List your home for rent

Market trends in 20886, MD

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.8%

0.2% MoM

Median sale price

$429K

$10K MoM

Avg. days on market

43d

4 days MoM

Recently sold homes

101

23 MoM

New listings for sale

$250,000
3 beds2 baths1,278 sq ft
413 Christopher Ave #12, Gaithersburg, MD 20879
(240) 403-0400
OPEN SAT, 12PM TO 2PM
$459,000
4 beds3 baths1,280 sq ft
1138 Southern Night Ln, Gaithersburg, MD 20879
(301) 760-2136
COMING SOON
$245,000
3 beds2 baths1,422 sq ft
411 Christopher Ave #75, Gaithersburg, MD 20879
(301) 760-2136
EARLY ACCESS
$279,000
3 beds2 baths1,158 sq ft
8205 Whispering Oaks Way #302, Gaithersburg, MD 20879
OPEN SUN, 12PM TO 2PM
$599,900
2 beds2 baths872 sq ft
9605 Stewartown Rd NE, Montgomery Village, MD 20886
(301) 831-5099
REDFIN OPEN SUN, 1PM TO 3PM
$1,100,000
4 beds3.5 baths5,643 sq ft
19205 Sherwood Green Way, Gaithersburg, MD 20879
$545,000
4 beds3.5 baths1,890 sq ft
7407 Brenish Dr, Gaithersburg, MD 20879
(301) 718-0010
$379,000
3 beds2.5 baths1,060 sq ft
17 Mountain Laurel Ct, Gaithersburg, MD 20879
(240) 630-8689
3D WALKTHROUGH
$199,000
2 beds1 bath817 sq ft
9900 Boysenberry Way Unit 270-6, Montgomery Village, MD 20879
(888) 860-7369
REDFIN OPEN SAT, 1PM TO 3PM
$159,900
1 bed1 bath712 sq ft
9907 Boysenberry Way #101, Gaithersburg, MD 20879
See all

Provided by Redfin

Redfin agents who toured

Well kept home with 2 story foyer, large deck with smaller grassy area.
6 years ago• May not reflect the current state of the home
Leigh Yates
Redfin Premier agent
Very spacious and well maintain home with two story family room. spacious 2nd and 3rd bedroom with with full bath in 2nd bedroom. Basement is ideal for entertaining with full bath and lots of storage space. Large two tier deck
9 years ago• May not reflect the current state of the home
Terence Mckenzie
Redfin Associate agent

Sale history for 20505 Addenbrook Way

Date

Event

Price

Public Records

Apr 22, 2021

Sold

$690,000

$133/sq ft

BRIGHT MLS #MDMC722638

Oct 2, 2020

Sold

$690,000

$133/sq ft

Sep 1, 2020

Pending

—

Aug 28, 2020

Listed

$675,000

$130/sq ft

+45

BRIGHT MLS #1003297673

Dec 30, 2017

Listing Removed

—

Oct 7, 2017

Listed

$649,900

$125/sq ft

BRIGHT MLS #1000058179

Sep 6, 2017

Listed

$659,000

$127/sq ft

BRIGHT MLS #1004092781

Sep 6, 2017

Listing Removed

—

Jul 20, 2017

Listed

$659,000

$127/sq ft

BRIGHT MLS #1007277780

Jun 20, 2017

Listing Removed

—

May 27, 2017

Listed

$679,000

$131/sq ft

BRIGHT MLS #1008303890

May 27, 2017

Listing Removed

—

Apr 6, 2017

Listed

$679,000

$131/sq ft

BRIGHT MLS #1008240138

Dec 16, 2016

Listing Removed

—

Sep 22, 2016

Listed

$680,000

$131/sq ft

BRIGHT MLS #1009648242

Oct 19, 2012

Listing Removed

—

Jul 25, 2012

Listed

$719,300

$139/sq ft

BRIGHT MLS #1009076300

Jul 3, 2010

Listing Removed

—

Apr 8, 2010

Listed

$775,000

$150/sq ft

BRIGHT MLS #1006613612

Dec 31, 2009

Listing Removed

—

Oct 9, 2009

Listed

$799,000

$154/sq ft

Public Records

Aug 7, 2001

Sold

$449,000

$87/sq ft

Public Records

Mar 8, 2000

Sold

$373,000

$72/sq ft

Public Records

May 22, 1992

Sold

$2,427,660

$469/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$9,631 (+15.9%)

$162,800 + $624,000

$786,800

2025

$8,309 (+8.9%)

$162,800 + $624,000

$786,800

2024

$7,630 (+8.7%)

2023

$7,016 (+4.8%)

2022

$6,696 (+0.8%)

$162,800 + $469,800

$632,600

2021

$6,641

$162,800 + $469,800

$632,600

2020

$6,645 (+0.2%)

$162,800 + $469,800

$632,600

2019

$6,629

$192,100 + $443,000

$635,100

2018

$6,633 (−4.3%)

$192,100 + $443,000

$635,100

2017

$6,930 (+4.4%)

$192,100 + $458,000

$650,100

2015

$6,637 (−1.1%)

$156,400 + $400,700

$557,100

2014

$6,710 (+1.5%)

2013

$6,614 (−1.5%)

2012

$6,713 (+4.4%)

2011

$6,428

2010

$6,428 (+26.4%)

2009

$5,084

Tax history for 20505 Addenbrook Way

Year

Property tax

Land + Additions

Assessment*

2026

$9,631 (+15.9%)

$162,800 + $624,000

$786,800

2025

$8,309 (+8.9%)

$162,800 + $624,000

$786,800

2024

$7,630 (+8.7%)

2023

$7,016 (+4.8%)

2022

$6,696 (+0.8%)

$162,800 + $469,800

$632,600

2021

$6,641

$162,800 + $469,800

$632,600

2020

$6,645 (+0.2%)

$162,800 + $469,800

$632,600

2019

$6,629

$192,100 + $443,000

$635,100

2018

$6,633 (−4.3%)

$192,100 + $443,000

$635,100

2017

$6,930 (+4.4%)

$192,100 + $458,000

$650,100

2015

$6,637 (−1.1%)

$156,400 + $400,700

$557,100

2014

$6,710 (+1.5%)

2013

$6,614 (−1.5%)

2012

$6,713 (+4.4%)

2011

$6,428

2010

$6,428 (+26.4%)

2009

$5,084

*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-200

Residential - 200 Zone

The intent of the R-200 zone is to provide designated areas of the County for residential uses with a minimum lot size of 20,000 square feet. The predominant use is residential in a detached house.

Permitted uses

Include but are not limited to:

Agriculture-Other
Assembly/ meeting place
Housing-Single unit
Housing-Senior
Infrastructure-Other
Public service
Kennel
Transportation-Other
Park & open space

Property details

Interior

Basement Information
Basement Sq. Ft: 1,500
Basement Finish: Finished
Basement Type: Finished

Bathroom Information
# of Full Baths: 4
# of 1/2 Baths: 1

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

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

Exterior

Exterior Information
Building Construction Quality: Good
Exterior Wall: Aluminum/Vinyl
Building Type: Single Family

Property Information
Subdivision Name: GOSHEN ESTATES
Living Sq. Ft: 5,181
Building Sq. Ft: 5,665
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: GOSHEN ESTATES

Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 484
Garage / Carport Type: Built In

Lot Information
# of Buildings: 1
Land Sq. Ft: 9,433
Legal Lot Number: 5
Legal Block Number: X
Acres: 0.2166
Zoning Code: R200
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL

Utility Information
Sewer Type: Public

Financial

Assessor Information
Assessment Year: 2026
Tax District County: 01

Public facts

Beds: —
Baths: 4.5
Sq. Ft.: 5,181
Stories: 2.0
Lot Size: 9,433 square feet
Style: Single Family Residential
Year Built: 1993
Year Renovated: —
County: Montgomery County
APN: 01 02967698

Home facts updated by county records on Oct 14, 2026

Around this home

Schools

K - 12
Preschool & daycare

Laytonsville Elementary School

Public K-5 • Assigned • 1.4mi

7/10

Gaithersburg Middle School

Public 6-8 • Assigned • 3.7mi

4/10

Gaithersburg High School

Public 9-12 • Assigned • 4.5mi

3/10

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

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

11% chance of strong winds in next 30 years

2/10 Air Factor

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

Provided by First Street

Historical weather

Gaithersburg, MD • 20879

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

9.2 hrs

4.2 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$816,000 – $988,000

Reach more buyers when you sell with Redfin. Save up to $8,587 in fees. 3 minutes to get started.

Get a free, detailed breakdown of how we calculated your estimate.

Nearby similar homes

$535,000

3 beds3.5 baths2,068 sq ft

8612 Castlebar Way, Gaithersburg, MD 20886

0.6 acre lot • Garage • Built 1993

(301) 591-3920

$539,000

3 beds2.5 baths1,983 sq ft

19125 Rhodes Way, Gaithersburg, MD 20886

Semi-open floor plan • Main level office • Replaced windows

(866) 987-3937

$615,000

4 beds2.5 baths1,953 sq ft

18936 N Meadow Fence Rd, Montgomery Village, MD 20886

Colonial home • Cozy family room • Landscaped lot

(240) 403-0400

$669,900

4 beds2.5 baths2,429 sq ft

20317 Highland Hall Dr, Montgomery Village, MD 20886

Brick front • Cozy fireplace • Local parks

(833) 999-8733

$500,000

3 beds2.5 baths2,261 sq ft

8509 Ivoryton Way, Montgomery Village, MD 20886

Updated kitchen • Oak cabinetry • Granite countertops

(480) 462-5392

NEW 33 HRS AGO

$295,000

Land— sq ft

20325 Wiley Ct, Laytonsville, MD 20882

Close to shopping • Custom estate homes

(703) 242-0005

New listings for sale in 20879

$250,000

3 beds2 baths1,278 sq ft

413 Christopher Ave #12, Gaithersburg, MD 20879

Tennis courts • Playgrounds • Picnic areas

(240) 403-0400

OPEN SAT, 12PM TO 2PM

$459,000

4 beds3 baths1,280 sq ft

1138 Southern Night Ln, Gaithersburg, MD 20879

Renovated kitchen • Updated bathrooms • New hvac system

(301) 760-2136

COMING SOON

$245,000

3 beds2 baths1,422 sq ft

411 Christopher Ave #75, Gaithersburg, MD 20879

Sunken living room • Double entry kitchen • Private patio

(301) 760-2136

EARLY ACCESSREDFIN COMING SOON

$279,000

3 beds2 baths1,158 sq ft

8205 Whispering Oaks Way #302, Gaithersburg, MD 20879

$514 HOA • Built 1986

OPEN SUN, 12PM TO 2PMVIDEO TOUR

$599,900

2 beds2 baths872 sq ft

9605 Stewartown Rd NE, Montgomery Village, MD 20886

New refrigerator • Finished basement • Full bathroom

(301) 831-5099

REDFIN OPEN SUN, 1PM TO 3PM3D & VIDEO TOUR

$1,100,000

4 beds3.5 baths5,643 sq ft

19205 Sherwood Green Way, Gaithersburg, MD 20879

Outdoor living • Renovated kitchen • Custom wet bar

$545,000

4 beds3.5 baths1,890 sq ft

7407 Brenish Dr, Gaithersburg, MD 20879

Granite countertops • Breakfast bar • Laundry room

(301) 718-0010

$379,000

3 beds2.5 baths1,060 sq ft

17 Mountain Laurel Ct, Gaithersburg, MD 20879

$53 HOA • 2 parking spots • Community pool

(240) 630-8689

3D WALKTHROUGH

$199,000

2 beds1 bath817 sq ft

9900 Boysenberry Way Unit 270-6, Montgomery Village, MD 20879

No interior stairs • Access to amenities • Guest parking

(888) 860-7369

Home values near 20505 Addenbrook Way

Data from public records.

Address	Redfin Estimate
20518 Addenbrook Way, Gaithersburg, MD - Beds \| 3.5 Baths \| 3513 Sq. Ft.	$758,239
20512 Addenbrook Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 3614 Sq. Ft.	$822,247
20506 Addenbrook Way, Gaithersburg, MD - Beds \| 3.5 Baths \| 4589 Sq. Ft.	$862,931
20500 Addenbrook Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 2362 Sq. Ft.	$616,047
20503 Addenbrook Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 3328 Sq. Ft.	$730,470
7619 Augustine Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 4252 Sq. Ft.	$830,026
7612 Augustine Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 2402 Sq. Ft.	$658,365

Address	Redfin Estimate
20516 Addenbrook Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 2906 Sq. Ft.	$741,003
20510 Addenbrook Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 2698 Sq. Ft.	$758,645
20504 Addenbrook Way, Gaithersburg, MD 4 Beds \| 2.5 Baths \| 3740 Sq. Ft.	$727,587
20509 Addenbrook Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 2806 Sq. Ft.	$768,344
20511 Addenbrook Way, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 3648 Sq. Ft.	$821,661
7623 Augustine Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 4394 Sq. Ft.	$875,449
7610 Augustine Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 3797 Sq. Ft.	$794,077

Address	Redfin Estimate
20514 Addenbrook Way, Gaithersburg, MD 5 Beds \| 4.5 Baths \| 4918 Sq. Ft.	$1,009,356
20508 Addenbrook Way, Gaithersburg, MD - Beds \| 3.5 Baths \| 3650 Sq. Ft.	$724,162
20502 Addenbrook Way, Gaithersburg, MD - Beds \| 2.5 Baths \| 2378 Sq. Ft.	$625,908
20507 Addenbrook Way, Gaithersburg, MD 5 Beds \| 4.5 Baths \| 4226 Sq. Ft.	$859,500
7617 Augustine Way, Gaithersburg, MD - Beds \| 3.5 Baths \| 3896 Sq. Ft.	$746,434
7614 Augustine Way, Gaithersburg, MD - Beds \| 3.5 Baths \| 4817 Sq. Ft.	$765,935
7608 Augustine Way, Gaithersburg, MD - Beds \| 3.5 Baths \| 4405 Sq. Ft.	$818,013

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Houses for rent in Burnham Hills	Agents near me	Frederick, MD homes for sale	Burnham Hills Housing Market
Houses for sale near me	Baltimore, MD homes for sale	Rockville, MD homes for sale
Land for sale near me	Bethesda, MD homes for sale	Columbia, MD homes for sale
Open Houses near me	Bowie, MD homes for sale	Burnham Hills Property Records
Condos for sale near me	Silver Spring, MD homes for sale	MD New Listings

Arlington homes for sale
Washington, DC homes for sale
Bethesda homes for sale

20879 homes for sale
20882 homes for sale
20886 homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 20886, MD

Redfin agents who toured

Sale history for 20505 Addenbrook Way

Tax history for 20505 Addenbrook Way

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 20879

Home values near 20505 Addenbrook Way

More real estate resources