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Preparing for a new project? We’ve got the information you need.

Architectural fees + Soft Costs: What You Need to Know

How much does it cost to build a house?

At Letter Four, we provide full architectural design and construction services for both residential and commercial clients. We have over 12 years of experience creating inspiring, original buildings specifically tailored to the unique goals and sites of our individual clients.


Building or remodeling a home in California

All architectural and construction firms will have their own way of setting fee levels and billing. Some sole proprietors may charge a lot less, and other firms may charge considerably more. This article aims to present the averages you can expect across the industry

What you need to know about SFR construction costs

What you need to know about SFR construction costs

With over 11 years of experience in the construction industry, the Letter Four team has established efficient processes to successfully guide a client’s project from idea to completion.


California's SB9 Bill Explained

SB9 means local agencies are legally bound to consider projects proposing to split lots and create multiple units on what would otherwise be zoned for a single family dwelling. It’s known as the “duplex bill”—but we believe it would be better termed a “fourplex bill”!


What Is SB9?

Today, we take a look at these new zoning laws –– and particularly what SB9 means for California homeowners. The Design-Build process is perfect for helping optimize your property with these new laws in mind.

What Is Design-build?

The Design-build Method: Everything You Need To Know

Today, we explain Letter Four’s Design-Build process in detail. With this step-by-step guide, you’ll have a clear understanding of what you can expect at every phase leading up to the construction of your project.

General Contractors Can

Help You Save Money – Here’s How

To better understand this relationship, we take a look at the most common reasons why a project can incur costs overruns, as well as key ways your general contractor can help mitigate this!


Home Designer or Architect

In this essential guide, we’ll outline everything you need to know about these two professions and help you decide whether you need a home designer or architect for your project.


Remodel or Rebuild

The short answer is – it depends! The decision will hinge on your budget, timeframe, goals, the existing site, and structure.

Remodel or Rebuild

Construction Cost

We’ll explore what’s behind current price increases as well as what we’re doing to tackle the situation here at Letter Four.


D-B vs D-B-B

In this e-book, we’ll first outline the difference between Design-Build and Design-Bid-Build.

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