11711 Joseph Mill Rd, Silver Spring, MD 20906 Property Records

Montgomery County property record for 11711 Joseph Mill Rd, Silver Spring, MD 20906

Property Summary

Property Type	Public School (Administration, Campus, Dorms, Instruction)
Details	122,322 sqft · built 1950
Lot Size	9.87 acres (430,372 sqft)
Owner	Company Name on File
Flood Zone	Zone X (minimal risk)
APN	`13-00953918`

Property Details

APN / Parcel Number

Primary APN	`13-00953918`
Alternative APN	`00953918`

Interior

Stories	1 Story
Building Area	122,322 sqft Gross Area
1st Floor Area	122,322 sqft

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Exterior Material	Brick
Construction Type	Brick
Fire Resistance	Fireproof Steel Frame
Lot Area	430,372 sqft
View / Lot	Commercial/Industrial

Utilities, Heating & Cooling

Cooling System	A/C Chilled Water
Heating System	Hot Water

Location & Zoning

Account Number	00953918
Street Address	11711 JOSEPH MILL RD
City	SILVER SPRING
State	MD
Zip	20906-4868
Property Category	Public Works
Property Type	Public Works > Public School (Administration, Campus, Dorms, Instruction)
Local Zoning Code	R60
Legal Description	HERMITAGE
Legal Subdivision	CLOUIN COURSE & DUBLIN FARM
Legal Block	3
Jurisdiction	MONTGOMERY MD
Township / Civil Division	13
Census Block Group	3
Census Block	3001
Census Tract	703501

Owner

Source: Montgomery County records · APN 13-00953918

Assessment roll updated August 17, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	850 HUNGERFORD DR, ROCKVILLE, MD 20850-1718
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Montgomery County records · Assessment roll updated August 17, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	Maryland
County	Montgomery County
Unified School District	Montgomery County Public Schools (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Assessed Value	Assessed Market Value
2026	$38,180,967 (+6.5%)	$40,509,800 (-) Land $12,222,500 Building $28,287,300
2025	$35,852,133 (+7.4%)	$40,509,800 (+20.84%) Land $12,222,500 Building $28,287,300
2023	$33,383,100	$33,523,300 Land $10,914,200 Building $22,609,100

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Montgomery County (24031C), updated April 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 98% of the US · lower than 96% of Maryland
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 483 locations within half a mile · Last verified October 2026

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	2,000 / 250

May also be available: Radiate Holdings, T-Mobile USA.

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026

Water System	WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people
Water Source	Surface water
Last State Inspection	May 2025
Lead	Under 1 ppb (2018–2020) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.