925.891.4220

CA CONT LICENSE # 977589

Since 1999 Trinity Devco founded by Jim  Slevin  has built Apartment Complexes, High End Custom Homes in San Jose CA, Production Housing, Commercial Construction, Production Land Development, Home or Multi-Family Restoration along with numerous smaller contracts including Home Remodel, Room Additions and Commercial Tenant Improvements in the San Jose CA, & Surrounding San Francisco area.


Three words come to mind to describe Trinity Devco Inc.: Design / Builder / Owner.  You see we at Trinity strive to partner with our customers.  Whether contracted as Design Build Team, or Builder for Owner, or in Partnership with others, we offer no surprises and the ability to build it right the first time.

Trinity has a proven track record in Upper Project Management, and Project Supervision from Land Acquisition, Forward Planning with Project Entitlements, and Land Development through Home or Multi Family Development.  Complete Project Development while maintaining a high proficiency in all computer applications with complete and accurate systems of Construction Documentation.

All large or small Trinity projects can include the Design/Build agreement. Trinity works well with selected Architects for Design Build Projects.


Custom Home / Estate Home Development San Jose CA
Commercial San Jose CA
Multi-Family San Jose CA
Single Family San Jose CA
Civil Construction San Jose CA
Large Remodel / Room Addition San Jose CA
In-House Trinity Crewman San Jose CA
Design Build San Jose CA
Consultant Services San Jose CA
Project Development San Jose CA
Construction Documents San Jose