Google street view image for 9911 Longs Mill Rd, Rocky Ridge, MD 21778

Off Market Mar 2021 for $60K

$520,510

Est. refi paymentEst. refi $459/mo

—

•

1.5 ba

•

2,603

sq ft

9911 Longs Mill Rd, Rocky Ridge, MD 21778

About this home

9911 Longs Mill Rd is a 2,603 square foot house on a 0.44 acre lot with 1.5 bathrooms. - it last sold on March 22, 2021 for $60,000. Based on Redfin's Rocky Ridge data, we estimate the home's value is $520,510.

Single-familyProperty Type

2025Year Built

0.44 acresLot Size

$200Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$520,510

$461K since sold in March 2021$7,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.6% higher than the average sale price ($475K) of 6 comparable homes.

SOLD MAY 4, 2026
$490,000
A
4 beds2.5 baths2,352 sq ft
6 Westview Ct, Thurmont, MD 21788
SOLD FEB 20, 2026
$470,000
B
4 beds2.5 baths2,452 sq ft
9 Todd Ct, Thurmont, MD 21788
SOLD JUN 26, 2026
$219,900
C
2 beds2 baths1,960 sq ft
837 Francis Scott Key Hwy, Keymar, MD 21757
SOLD AUG 6, 2026
$780,000
D
4 beds2.5 baths2,778 sq ft
11841 Cash Smith Rd, Keymar, MD 21757
SOLD AUG 4, 2026
$389,900
E
3 beds2 baths2,316 sq ft
6 Colliery Dr, Thurmont, MD 21788
SOLD JUN 16, 2026
$500,000
F
3 beds3 baths3,073 sq ft
4 Mae Way, Thurmont, MD 21788

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Earn from this home

Sell

$445,548

Est. take-home

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Refinance

Est. cash available

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Market trends in 21778, MD

Last updated August 2026

Sale-to-List Price

98.5%

1.5% MoM

Median sale price

$398K

$43K MoM

Avg. days on market

98d

65 days MoM

Recently sold homes

1 MoM

Provided by Redfin

Sale history for 9911 Longs Mill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,973 (+14.0%)

$59,300 + $340,500

$399,800

2024

$2,609 (+20.8%)

2023

$2,160 (+4.0%)

2022

$2,077 (+3.3%)

$59,300 + $113,900

$173,200

2021

$2,011 (+5.2%)

2020

$1,911 (+2.2%)

2019

$1,869 (+1.4%)

$59,300 + $92,500

$151,800

2018

$1,843 (+3.2%)

2017

$1,786 (−1.9%)

$59,300 + $81,700

$141,000

2015

$1,821 (−0.3%)

$62,500 + $80,300

$142,800

2014

$1,827

2013

$1,827 (−3.6%)

2012

$1,896 (+4.5%)

2011

$1,813

2010

$1,813 (+39.3%)

2009

$1,302

Tax history for 9911 Longs Mill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,973 (+14.0%)

$59,300 + $340,500

$399,800

2024

$2,609 (+20.8%)

2023

$2,160 (+4.0%)

2022

$2,077 (+3.3%)

$59,300 + $113,900

$173,200

2021

$2,011 (+5.2%)

2020

$1,911 (+2.2%)

2019

$1,869 (+1.4%)

$59,300 + $92,500

$151,800

2018

$1,843 (+3.2%)

2017

$1,786 (−1.9%)

$59,300 + $81,700

$141,000

2015

$1,821 (−0.3%)

$62,500 + $80,300

$142,800

2014

$1,827

2013

$1,827 (−3.6%)

2012

$1,896 (+4.5%)

2011

$1,813

2010

$1,813 (+39.3%)

2009

$1,302

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

Zoning

Residential District 1

The purpose of the residential density districts is to promote healthful and convenient distribution of population with sufficient densities to maintain a high standard of physical design and community service. Residential density districts will conform to the County Comprehensive Plan and will be located within areas identified for residential development. The districts, as a group, are intended to provide for a variety of dwelling types and densities and to offer housing choices at various economic levels. It is further the intent to establish various densities of residential developments in order to efficiently and effectively provide for necessary public services and facilities. The following residential density districts and maximum densities are hereby established.

Permitted uses

Include but are not limited to:

Agriculture
Housing-Group
Housing-Single unit
Housing-Multiple units

Property details

Interior

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

Heating & Cooling
Heating Type: Hot Air

Exterior

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

Property Information
Subdivision Name: MUTUAL LAND & IMPROV CO BALT
Living Sq. Ft: 2,603
Building Sq. Ft: 3,555
# of Stories: 1.5
Stories Type: 1 1/2 Story With Basement
Legal Description: LT. 44 AC E/S LONGS MILL RD. NR ROCKY RIDGE

Parking & Garage Information
Parking Type: Attached Frame Garage
Garage/Parking Sq. Ft: 952
Garage / Carport Type: Attached Frame

Lot Information
# of Buildings: 1
Land Sq. Ft: 19,166
Legal Lot Number: 54
Legal Block Number: 3B
Acres: 0.44
Zoning Code: R1
State Use Description: RESIDENTIAL

Utility Information
Sewer Type: Private

Financial

Assessor Information
Assessment Year: 2026
Tax District County: 04

Public facts

Beds: —
Baths: 1.5
Sq. Ft.: 2,603
Stories: 1.5
Lot Size: 0.44 acres
Style: Single Family Residential
Year Built: 2025
Year Renovated: —
County: Frederick County
APN: 04 152077

Home facts updated by county records on Aug 10, 2026

Around this home

Schools

Thurmont Primary School

Public PreK-2 • Assigned • 4.0mi

Thurmont Middle School

Public 6-8 • Assigned • 4.8mi

5/10

Catoctin High School

Public 9-12 • Assigned • 5.6mi

6/10

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

3/10 Fire Factor

0.15% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 102° expected this year, 15 days in 30 years

4/10 Wind Factor

9% chance of strong winds in next 30 years

2/10 Air Factor

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

Provided by First Street

Historical weather

Rocky Ridge, MD • 21778

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

9.2 hrs

4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$495,000 – $599,000

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Home values near 9911 Longs Mill Rd

Data from public records.

Address	Redfin Estimate
10040 Longs Mill Road, Rocky Ridge, MD - Beds \| 1 Baths \| 1885 Sq. Ft.	$431,282
10055 Longs Mill Road, Rocky Ridge, MD 3 Beds \| 1.5 Baths \| 1644 Sq. Ft.	$372,803

Address	Redfin Estimate
10056 Longs Mill Road, Rocky Ridge, MD - Beds \| 1 Baths \| 1704 Sq. Ft.	$299,501
10026 Longs Mill Road, Rocky Ridge, MD - Beds \| 1 Baths \| 1428 Sq. Ft.	$343,054

Address	Redfin Estimate
10020 Longs Mill Road, Rocky Ridge, MD - Beds \| 1 Baths \| 1104 Sq. Ft.	$289,390
9849 Longs Mill Road, Rocky Ridge, MD - Beds \| 2 Baths \| 1692 Sq. Ft.	$370,237

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