OPaL Design Build
Construction company in Cabin John, MD 20818
About this company
OPaL Design Build is listed as a construction company at 6428 79th St in Cabin John, Maryland, in Montgomery County. It is one of 2 general contractors in ZIP 20818.
Other construction companies nearby
Cabin John Builders6410 82nd Pl, Cabin John
0.3 mi(301) 637-3566
Afrand Construction Co.8316 Lilly Stone Dr, Bethesda
0.9 mi(301) 365-5858
Kandel Construction Group7108 Nevis Rd, Bethesda
1.0 mi(301) 983-4441
Royal Dominion Contractors7429 Royal Dominion Dr, Bethesda
1.1 mi(301) 365-8005
Lifestyle Paving and Masonry6701 Democracy Blvd, Bethesda
1.2 mi(240) 223-7766
Housing market around ZIP 20818
Figures describe the local area, not this company.
Typical home value$1,240,000+0.8% past year · +41% in 10 years
12-month value outlook+0.6%Roughly flat
Days to sale agreement19Washington metro · 17 a year ago
New homes permitted, 20251,411Montgomery County
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. 26% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.