18917 Olney Mill Rd is a 2,112 square foot house on a 0.48 acre lot with 3 bedrooms and 2.5 bathrooms. - it last sold on March 15, 1974 for $55,500. Based on Redfin's Olney data, we estimate the home's value is $691,688.
Single-familyProperty Type
1969Year Built
0.48 acresLot Size
$328Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$691,688
$636K since sold in March 1974$3,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.6% lower than the average sale price ($733K) of 6 comparable homes.
*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
May 10, 2024 • Final
Public right of way
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: 2 Story Frame
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Average
Exterior Wall: Frame Brick
Building Type: Single Family
Property Information
Subdivision Name: OLNEY MILL 06
Living Sq. Ft: 2,112
Building Sq. Ft: 2,112
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: OLNEY MILL
Parking & Garage Information
Parking Type: Carport
Garage/Parking Sq. Ft: 288
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,044
Legal Lot Number: 5
Legal Block Number: 11
Acres: 0.4831
Zoning Code: R200
County Use Description: SINGLE FAMILY DETACH
State Use Description: EXEMPT
Utility Information
Sewer Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 08
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 2,112
Stories: 2.0
Parking Spaces: —
Basement: No
Accessible: No
Lot Size: 0.48 acres
Style: Single Family Residential
Year Built: 1969
Year Renovated: —
County: Montgomery County
APN: 08 00741915
HOA Dues: —
Garage: No
Features: —
Home facts updated by owner on Jun 2, 2026
Around this home
Schools
Belmont Elementary School
Public K-5 • Assigned • 1.2mi
8/10
Rosa M. Parks Middle School
Public 6-8 • Assigned • 0.3mi
9/10
Sherwood High School
Public 9-12 • Assigned • 3.6mi
7/10
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, 15 days in 30 years
4/10 Wind Factor
15% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 3 days in 30 years
Provided by First Street
Historical weather
Olney, MD • 20832
Average low and high temperatures (°F)
36
22
41
27
61
38
69
47
73
54
84
63
88
69
81
61
78
59
68
46
56
38
43
28
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
$658,000 – $796,000
Reach more buyers when you sell with Redfin. Save up to $6,917 in fees.3 minutes to get started.
Get a free, detailed breakdown of how we calculated your estimate.