John L Du Fief Inc
Construction company in Rockville, MD 20850
About this company
John L Du Fief Inc is listed as a construction company at 2280 Glenmore Ter in Rockville, Maryland, in Montgomery County. It is one of 76 general contractors in ZIP 20850.
Other construction companies nearby
Harkins Builders9200 Darnestown Rd, Rockville
0.1 mi(301) 424-1526
A Pro Builder Corp215 Long Trail Ln, Rockville
0.3 mi(301) 529-9668
Property Lux Construction1803 Research Blvd, Rockville
0.7 mi(240) 401-9090
AZ1 Construction Services1803 Research Blvd, Rockville
0.7 mi(240) 401-9090
Atlantic Home Group Llc2275 Research Blvd, Rockville
0.9 mi(301) 820-5299
Housing market around ZIP 20850
Figures describe the local area, not this company.
Typical home value$671,000−1.1% past year · +30% in 10 years
Typical rent$2,467+1.0% past year
12-month value outlook+0.2%Roughly flat
New homes permitted, 20251,411Montgomery County
Days to sale agreement19Washington metro · 17 a year ago
Listings with a price cut29.4%Washington metro
Sale price vs list99.7%Washington metro
New construction sales489Washington metro, Aug · −24% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Montgomery County permitted 1,411 new homes in 2025, including 559 apartment units. 44% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.