01
General building
Core and shell, interiors, and occupied-building work with a named superintendent on every package.
Alameda, California · Independent Contractor
Build with care.
Keep the promise.
Leave it stronger.
Architecture photography shown for visual context; inclusion does not represent a project credit.
Practice
What we take on
02
Reinforced structures
Steel-reinforced concrete and structural systems coordinated against architectural and civil drawings.
03
Sustainable delivery
Material choices, energy performance, and close-out that support resilient, lower-impact buildings.
04
Design-build
One contract from schematic layout through installation, with owner reviews at each gate.
05
Civic & campus work
Public buildings, clinics, and education spaces sequenced around the owner’s operating calendar.
06
Field control
Transparent communication, documented RFIs, and a turnover file that matches what was built.
Selected work
Job types, written as an index
Titles below are internal names for representative U.S. assignments. They are not landmark lists and do not imply association with other contractors or owners.
- Bayshore Clinic ExpansionAlameda · Occupied MEP
- East Basin Warehouse ShellOakland · Industrial
- Civic Center Plant UpgradeSacramento · Utilities
- Harbor Campus Office CoreSan Francisco · Design-build
Founder
Leadership
Dan Bowman
Founder and CEO. Bachelor of Science, Texas A&M University. Master’s degree, UCLA. He started Earth Construct Zone in 1990 after more than a decade in the field, and still keeps a hands-on role in scope, client relationships, and project release.