Diamond H Construction Inc

Construction company in Sabillsville, MD 21780

About this company

Diamond H Construction Inc is listed as a construction company based in Sabillsville, Maryland, in Frederick County. Federal motor carrier records list 1 drivers and 1 trucks for the company. It is one of 2 general contractors in ZIP 21780.

Fleet size

Drivers1

Trucks1

Last federal filing: Sep 2008. Source: FMCSA.

Moderate market, balanced fieldArea profitability for construction in ZIP 21780

Housing demand62

Sales pace, new listings and new construction. Source: Zillow

Customer spending power75

Household income and home values

Room for another contractor40

More crowded than 60% of US ZIPs

Scored against every US ZIP. An index of local conditions, not this company's results.

County context

One of 420 general contractors in Frederick County, MD.

71 roofing companies in Frederick County, MD.

All 808 construction companies in Frederick County, MD.

ZIP 21780 at a glance

Population: 2,159 (38 per sq mi)
Median age: 42
Households: Median income $83,785 · 44% earn six figures
Housing: 73% owner-occupied
Workforce: 70% labor-force participation · 0.0% unemployment

ZIP figures are US Census estimates for the ZIP area, not the company.

Housing market around ZIP 21780

Figures describe the local area, not this company.

Typical home value$405,000+2.5% past year · +76% in 10 years

12-month value outlook+0.3%Roughly flat

Days to sale agreement19Washington metro · 17 a year ago

New homes permitted, 20251,168Frederick 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: Frederick County permitted 1,168 new homes in 2025, including 354 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.