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Find Excavation pros in Diamond Bar

Avatar for Bronco Demolition, LLC
Bronco Demolition, LLC
4.9(
89
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Small jobs welcome

"Quick response with quote, which was really reasonable. They were able to complete the project right away. I had them remove glued down wood flooring, which is really difficult. A couple hours after they arrived the area was cleaned and ready for install. Will hire again for other projects."
Pool Demolition
Pool Demolition
Pool Demolition - Progress Photo
Office
Space Fully Demoed

+4

Response time8 hrs
Response rate95%
15 neighbors recently requested a quote
Avatar for 1 TOM PLUMBER ANAHEIM / BREA
1 TOM PLUMBER ANAHEIM / BREA
5.0(
21
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Response was amazing and fast. Arrived on time and kept me fully informed. Professional with complete set of moisture/ leak detection tools. Answered all our questions. Would love to recommend them."
Leak Detection
Plumbing
Sewage Cleanup
Leak Detection
Plumbing

+70

Response time8 hrs
46 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for RJ'S PLUMBING CHAMPS CORP
RJ'S PLUMBING CHAMPS CORP
4.7(
29
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"When Jose came over, I thought I was dealing with a simple clogged tub. But after a thorough inspection — including camera footage and detailed explanations — he showed me the real issue: severely rusted and narrowed pipes, blocked over time by calcium and debris. It was far more serious than I expected, and honestly, something I couldn’t afford to fully replace, because 2 of my family members passed and I was financially depleted. But here’s the part that makes Jose so special: he approached the situation with genuine compassion, patience, and care. He didn’t just see a job — he saw a person who was struggling, and he went above and beyond to help me in a way that was fair and kind. His empathy truly moved me. If you need a plumber who is not only skilled and professional but also deeply human — someone who shows up when you feel like no one else will — I wholeheartedly recommend Jose. He is reliable, honest, and the kind of person you’ll be grateful to have in your corner."
Response time5 hrs
Response rate90%
13 neighbors recently requested a quote
Avatar for Pro Bright Construction Inc
Pro Bright Construction Inc
4.7(
14
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Gus, Victor and the crew were professional, on time, and easy to work with. They explained everything clearly, did solid work, and cleaned up well when they were done. The job was completed as promised, and the roof looks great. I’d recommend them to anyone needing roofing work."
Response time5 hrs
Response rate85%
37 neighbors recently requested a quote
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.4(
26
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"Leo was very helpful and quick to respond. We’re happy with how our 2 bathrooms turned out. Project was completed within the time promised. Our only complaint is that the workers did not clean up very well. But overall, we’re satisfied and we’ll use them again."
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.
.
.
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+1

Response time6 hrs
Recommended by25%of homeowners
Home Pro Remodeling & Construction, Inc.
4.1(
31
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"After calling a few companies, we found Home pro remodeling. Ariel the manager gave us a good offer for the retaining wall, it was the best offer we received compare to other companies ! His guys are super professional, nice and clean. We were very happy with the experience. If you are looking to remodel your home , Home pro remodeling is definitely the best in the area! They are the real deal."
Response time5 days
Recommended by77%of homeowners
RSF Construction Inc.
1.0(
1
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

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FAQs for excavation projects in Diamond Bar, CA

Depth depends on the type of installation and the regulations in your area. Water supply lines typically require 24 inches, while drainage pipes are often installed 36 inches below grade. For most general projects, a depth of 12 to 24 inches and a width of about eight inches is sufficient. Sticking to these specs keeps your utilities safe, code-compliant, and easier to maintain later.

When you need to run utilities underground, you’ve got two main options: boring or trenching. Boring employs directional drilling to install utilities without exposing a continuous channel, while trenching requires excavating an open channel to place utilities securely. Directional drilling preserves landscape integrity, whereas trenching provides direct access for installation, albeit with greater surface disruption. This clear comparison helps you select the method best suited to your project.

Plan on 12 hours to dig 100 linear feet when the soil is cooperative and you can work continuously. This timeframe applies when work is performed consistently and methodically. Factors such as rocky soil, tree roots, obstructions, and frozen ground increase the overall duration, demanding extra planning and effort. Comprehensive operational planning ensures that every challenge is managed efficiently and the project is completed on schedule.

If you want your yard to look untouched, laying fresh sod over the trench is the quickest fix. New sod needs 30 to 45 days to root and blend with the rest of your lawn. A local sod pro can provide you with a firm timeline and tips to ensure the grass takes hold and maintains your curb appeal.

The Diamond Bar, CA homeowners’ guide to excavation services

From average costs to expert advice, get all the answers you need to get your job done.