CA CONT LICENSE # 977589

Since 1999 Trinity Devco founded by Jim  Slevin  has built Apartment Complexes, High End Custom Homes in Oakland 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 Oakland CA, & Surrounding San Francisco area.

925.891.4220


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