JEFFCO Development
Construction company in Bethesda, MD 20817
About this company
JEFFCO Development is listed as a construction company at 6920 Viceroy Aly in Bethesda, Maryland, in Montgomery County. It is one of 21 general contractors in ZIP 20817.
Other construction companies nearby
Toll Brothers6931 Greyswood Rd, Bethesda
0.1 mi(240) 635-3150
Grassfield construction6701 Democracy Blvd, Bethesda
0.5 mi(571) 279-2579
Wisdom Construction LLC6710A Rockledge Dr Ste 400, Bethesda
0.9 mi(888) 395-0486
John C Cassell General Contractor5807 Wyngate Dr, Bethesda
1.2 mi(301) 674-3899
Potomac Construction Services9320 Old Georgetown Rd, Bethesda
1.6 mi(301) 760-7141
Housing market around ZIP 20817
Figures describe the local area, not this company.
Typical home value$1,281,000+1.1% past year · +40% in 10 years
Typical rent$3,077−1.8% past year
12-month value outlook+0.4%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. 19% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.