South Mountain Company Inc

Construction company in West Tisbury, MA 02575

About this company

South Mountain Company Inc is listed as a construction company based in West Tisbury, Massachusetts, in Dukes County. Federal motor carrier records list 3 drivers and 2 trucks for the company. It is one of 4 general contractors in ZIP 02575.

Fleet size

Drivers3

Trucks2

Last federal filing: Mar 2026. Source: FMCSA.

Strong market, crowded fieldArea profitability for construction in ZIP 02575

Housing demand46

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

Customer spending power98

Household income and home values

Room for another contractor19

More crowded than 81% of US ZIPs

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

County context

One of 46 general contractors in Dukes County, MA.

11 concrete and masonry companies in Dukes County, MA.

All 81 construction companies in Dukes County, MA.

ZIP 02575 at a glance

Population: 2,718 (46 per sq mi)
Median age: 56
Households: Median income $173,417 · 81% earn six figures
Housing: 92% owner-occupied
Workforce: 63% labor-force participation · 6.8% unemployment

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

Housing market around ZIP 02575

Figures describe the local area, not this company.

Typical home value$1,684,000+4.9% past year · +121% in 10 years

12-month value outlook+4.1%

Days to sale agreement66Vineyard Haven metro

New homes permitted, 2025183Dukes County

Listings with a price cut16.7%Vineyard Haven metro

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: Dukes County permitted 183 new homes in 2025, including 48 apartment units. 8% of the homes in this ZIP were built since 2000.

Local figures are estimates from public records and Zillow housing data, updated regularly.