18712 Olney Mill Rd is a 3,952 square foot house on a 0.3 acre lot with 4 bedrooms and 3.5 bathrooms. Based on Redfin's Olney data, we estimate the home's value is $994,952.
Single-familyProperty Type
2000Year Built
0.3 acresLot Size
$252Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$994,952
$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3% higher than the average sale price ($966K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$8,488 (+7.0%)
2024
$7,936 (+6.5%)
$271,000 + $480,000
$751,000
2023
$7,449 (+11.8%)
2022
$6,666 (+1.2%)
2021
$6,585 (+0.7%)
$258,000 + $371,800
$629,800
2020
$6,536 (+0.6%)
2019
$6,495 (+0.7%)
2018
$6,451 (−1.2%)
2017
$6,526 (+10.2%)
2015
$5,921 (+3.3%)
2014
$5,733 (+1.7%)
$234,400 + $306,000
$540,400
2013
$5,640 (+4.8%)
2012
$5,380 (−8.3%)
2011
$5,868
2010
$5,868 (+42.4%)
2009
$4,122
Tax history for 18712 Olney Mill Rd
Year
Property tax
Land + Additions
Assessment*
2025
$8,488 (+7.0%)
2024
$7,936 (+6.5%)
$271,000 + $480,000
$751,000
2023
$7,449 (+11.8%)
2022
$6,666 (+1.2%)
2021
$6,585 (+0.7%)
$258,000 + $371,800
$629,800
2020
$6,536 (+0.6%)
2019
$6,495 (+0.7%)
2018
$6,451 (−1.2%)
2017
$6,526 (+10.2%)
2015
$5,921 (+3.3%)
2014
$5,733 (+1.7%)
$234,400 + $306,000
$540,400
2013
$5,640 (+4.8%)
2012
$5,380 (−8.3%)
2011
$5,868
2010
$5,868 (+42.4%)
2009
$4,122
*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
RE-1
Residential Estate - 1 Zone
The intent of the RE-1 zone is to provide designated areas of the County for large-lot residential uses. The predominant use is residential in a detached house. Optional method MPDU Development is applicable only for development that is served by public sewer service and where designated for sewer service in the applicable master plan.
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
Aug 29, 2003 • Final
Building residential
Remodel
Aug 29, 2003 • Final
Electrical
Electrical
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
Basement Information
Basement Sq. Ft: 1,000
Basement Finish: Finished
Basement Type: Finished
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 Frame
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Good
Exterior Wall: Aluminum/Vinyl
Building Type: Single Family
Property Information
Subdivision Name: OATLAND FARM
Living Sq. Ft: 3,952
Building Sq. Ft: 4,234
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: OATLAND FARM
Parking & Garage Information
Parking Type: Attached Frame Garage
Garage/Parking Sq. Ft: 282
Garage / Carport Type: Attached Frame
Lot Information
# of Buildings: 1
Land Sq. Ft: 13,021
Legal Lot Number: 14
Legal Block Number: 6
Acres: 0.2989
Zoning Code: RE1
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 08
Public facts
Beds: 4
Baths: 3.5
Sq. Ft.: 3,952
Stories: 2.0
Parking Spaces: —
Basement: No
Accessible: No
Lot Size: 0.3 acres
Style: Single Family Residential
Year Built: 2000
Year Renovated: —
County: Montgomery County
APN: 08 03256377
HOA Dues: —
Garage: No
Features: —
Home facts updated by owner on Jul 17, 2026
Around this home
Schools
Belmont Elementary School
Public K-5 • Assigned • 1.5mi
8/10
Rosa M. Parks Middle School
Public 6-8 • Assigned • 0.6mi
9/10
Sherwood High School
Public 9-12 • Assigned • 3.9mi
7/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
You will love living in Olney, MD; a wonderful place with a small town feel!. The heart of Olney is where Georgia Ave and Route 108 meet. Parks, entertainment, supermarkets and wonderful dining options are plentiful in this AMAZING community. Your...