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*The Angi rating for Architectural Service companies in O Fallon, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Architectural Service needs.

*The HomeAdvisor rating for Architectural Service companies in O Fallon, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Architectural Service needs.

Last update on November 17, 2025

Find Architects in O Fallon

Avatar for Evolution Drafting
Evolution Drafting
3.1(
73
)

Serving O Fallon, IL and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Excellent Experience – Highly Recommend company. I had a great experience working with this drafting company. The team was professional, responsive, and easy to work with. A special shoutout to Collin Kelsch and Rosa Chatwin for their outstanding cooperation and attention to detail throughout the project."
Zeal Floor Plan
Charcoal
Palm Floor Plan
Charcoal Floor 2
Charcoal Floor 1

+23

Response time1 day
Response rate100%
70 neighbors recently requested a quote
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Yung Architect
New to Angi

Serving O Fallon, IL and surrounding areas

In business since 1984

Ed Yung Architect achieves your vision by focusing on elements most important to you. Elements such as creative input on design, energy efficiency, and space planning. We have been the leading design firm in the area for over 20 years. We are committed to your complete satisfaction in design. Listening first to your needs, then creating a design that will meet your needs and stay within budget is key factors to your satisfaction.

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Architects questions, answered by experts

In most cases, you should hire a draftsperson for simpler projects like minor home renovations, and you should hire an architect for new construction, structural changes to your home, and large home add-ons. If you’re working on a larger project that demands an architect or structural engineer, your professional will often have a draftsperson on staff and include their services in your estimate.

While you will always work with a team of professionals at some point during your home build, homeowners with experience can take on some part of the process. Manage the initial brainstorm, brief writeup, and floor layout phase with minimal assistance before contacting a general contractor. And while you can purchase stock blueprints for some home designs, it's always best to speak with professionals when choosing one ideal for your property.

The various types of architects can be broken down into eight distinct categories, but there can be specific specialties within each of them. Most homeowners will work with a residential, restoration, green, interior, landscape, or retrofit architect for projects. There are also lighting and commercial architects whose work is geared more toward large spaces and businesses.

When you think about Arts and Crafts-style homes, you probably think of a Craftsman house or a bungalow-style Craftsman. Craftsman is one of the major styles developed during the Arts and Crafts movement, but it checks most boxes. Craftsman houses have low-pitched roofs, exposed rafters, open floor plans, and stunning wood finish.

Yes, you can finance cottage construction through several options. Construction loans provide funds in stages as work progresses, while home equity loans or lines of credit are available if you have existing property. Some lenders offer a combined construction and permanent mortgage. Always review loan terms and payment milestones before committing.

The O Fallon, IL homeowners’ guide to architectural services

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

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