Oconstruction Inc

Construction company in Columbia, CA 95310

About this company

Oconstruction Inc is listed as a construction company based in Columbia, California, in Tuolumne County. Federal motor carrier records list 1 drivers and 2 trucks for the company. It is one of 2 general contractors in ZIP 95310.

Other construction companies nearby

Custom Rock22958 Parrotts Ferry Rd, Columbia

(209) 533-1142

Fleet size

Drivers1

Trucks2

Last federal filing: Jan 2021. Source: FMCSA.

Moderate market, crowded fieldArea profitability for construction in ZIP 95310

Housing demand47

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

Customer spending power48

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 64 general contractors in Tuolumne County, CA.

15 HVAC companies in Tuolumne County, CA.

All 130 construction companies in Tuolumne County, CA.

ZIP 95310 at a glance

Population: 1,356 (12 per sq mi)
Median age: 61
Households: Median income $54,697 · 24% earn six figures
Housing: 72% owner-occupied
Workforce: 48% labor-force participation · 9.5% unemployment

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

Housing market around ZIP 95310

Figures describe the local area, not this company.

Typical home value$386,000+0.3% past year

12-month value outlook−2.1%

Days to sale agreement29Sonora metro

New homes permitted, 202588Tuolumne County

Listings with a price cut24.5%Sonora metro

Sale price vs list98.6%Sonora metro

Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.

Local building angle: Tuolumne County permitted 88 new homes in 2025. 25% of the homes in this ZIP were built since 2000.

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