12001 Auth Ln is a 5,303 square foot house on a 1.05 acre lot with 8 bathrooms. - it last sold on June 28, 2024 for $855,000. Based on Redfin's Silver Spring data, we estimate the home's value is $1,034,145.
Single-familyProperty Type
1957Year Built
1.05 acresLot Size
$195Est. Price/Sq.Ft.
Listed by Creig Northrop• Long & Foster Real Estate, Inc.
Bought with Barbara Ciment• Long & Foster Real Estate, Inc.
Prime Corner Lot! Value is in the land! 4 BR, 2 BA Rancher sits on a beautiful 0.95 Acre Lot. Large enclosed porch off kitchen overlooks the gorgeous backyard. Enjoy close proximity to downtown Silver Spring, Bethesda, Rockville and DC. Convenient commuter routes include US-29, MD-200 and I- 495 Additional lot with tax ID 161301164538!!
*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
Dec 5, 2025 • Final
Building residential
New construction
Dec 5, 2025 • Final
Mechanical
HVAC
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: 1,125
Basement Finish: Finished
Basement Type: Finished
Bathroom Information
# of Full Baths: 7
# of 1/2 Baths: 2
Heating & Cooling
Air Conditioning Type: Separate System
Heating Type: Baseboard Hot Water
Fireplace Information
# of Fireplaces: 2
Fireplace Type: 1 Story
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Average
Exterior Wall: Frame
Building Type: Single Family
Property Information
Subdivision Name: SPRINGBROOK FOREST SEC 1
Living Sq. Ft: 5,303
Building Sq. Ft: 5,843
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: SPRINGBROOK FOREST S
Parking & Garage Information
Parking Type: Attached Frame Garage
Garage/Parking Sq. Ft: 540
Garage / Carport Type: Attached Frame
Lot Information
# of Buildings: 1
Land Sq. Ft: 45,743
Legal Lot Number: 14
Legal Block Number: D
Acres: 1.0501
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: 13
Public facts
Beds: —
Baths: 8.0
Sq. Ft.: 5,303
Stories: 1.0
Lot Size: 1.05 acres
Style: Single Family Residential
Year Built: 1957
Year Renovated: —
County: Montgomery County
APN: 13 01164527
Home facts updated by county records on Jul 18, 2026
Around this home
Schools
Kemp Mill Elementary School
Public PreK-5 • Assigned • 0.6mi
4/10
Odessa Shannon Middle School
Public 6-8 • Assigned • 0.5mi
4/10
Northwood High School
Public 9-12 • Assigned • 5.5mi
5/10
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 103° expected this year, 15 days in 30 years
4/10 Wind Factor
15% chance of strong winds in next 30 years
4/10 Air Factor
4 unhealthy days expected this year, 5 days in 30 years
Provided by First Street
Historical weather
Silver Spring, MD • 20902
Average low and high temperatures (°F)
39
23
45
29
62
39
69
47
73
54
84
64
88
71
80
63
77
60
68
47
57
39
44
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
$983,000 – $1.19M
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