Design · Build · Renovate — Southern California

Built on solid ground.

Residential and commercial construction, delivered with precision from first sketch to final walkthrough — one team, one contract, one standard.

Design–BuildOne team, start to finish
Licensed& Insured · California
EN / 中文Bilingual project management
From A to Z, Under One Roof

Full-service, start to finish.

Free Consultation · 免费咨询
01 · 建筑设计

Architectural Design

Site planning, floor plans and elevations by licensed designers.

02 · 室内设计

Interior Design

Finishes, lighting and layouts selected with you, room by room.

03 · 可行性报告

Feasibility Report

Zoning, setbacks and budget checked before you commit.

04 · 政府审批

Permits & Approvals

Plan check, city approvals and utility coordination handled.

05 · 工程施工

Construction

Licensed crews from foundation and framing to final finish.

06 · 施工管理

Construction Management

One project manager, weekly updates, schedule and budget control.

Why DADI

The ground beneath every great building is trust.

大地 means “the earth.” We named the company for what holds everything up — and we build that way: honest estimates, clear schedules and craftsmanship you can stand on. Based in Rancho Cucamonga, we work across Southern California.

01

Design–Build, One Team

Design, permits and construction under one contract — fewer handoffs, faster decisions.

02

Transparent Pricing

Itemized estimates and change orders in writing. No surprises at the end.

03

Permits Handled

We manage plans, city approvals and inspections from start to sign-off.

04

Bilingual Service

English and Mandarin project management, so nothing gets lost in translation.

How We Work

A clear path from idea to keys.

01

Consultation

An on-site visit to understand your goals, budget and timeline.

02

Design & Permits

Drawings, engineering and city approvals — coordinated for you.

03

Construction

A dedicated project manager and weekly progress updates.

04

Handover

Final walkthrough, punch list, and a written workmanship warranty.

Start Your Project

Let’s build something that lasts.

Tell us about your project and we’ll get back to you within one business day with next steps and a free on-site estimate.