Mediterranean custom home with pool designed by Black Diamond Drafting & Design in Thermal, CA
Custom Home Design

Custom Home Design in Palm Springs and the Coachella Valley

Black Diamond turns your lot, budget, and vision into permit-ready custom home plans for owners building in La Quinta, Thermal, Indian Wells, and across the Coachella Valley. Every custom home design is planned for desert living and drawn as a complete set your builder can price and build from, from first concept to issued permit.

Custom Home Plans Designed Around How You Live

A custom home gives you what an existing listing rarely can: a floor plan built around your daily routine, views framed from the rooms you use most, and space for the casita, pool, or garage you have in mind. For many owners in the Coachella Valley, it is a second home or retirement home planned for decades of desert living.

Custom design also lets you decide where the budget goes. Every square foot, finish, and system is chosen with intent, so your investment lands on the features that matter most to you.

Why Hire a Professional Custom Home Designer

A custom home is one of the largest investments you will make, and the plans are what keep it on budget and on schedule. Enrique Zarate will work directly with you from the first site visit through the issued permit, so the person who understands your vision is the same person answering the city's questions.

Black Diamond brings construction knowledge to the drawing table. We design to your budget from the first sketch, coordinate structural, MEP, and Title 24 sheets into one set, and resolve plan check comments directly with the city. Our custom home work includes a Mediterranean estate in Thermal, the Avenue 50 estate in Indio, and a new build in Desert Hot Springs.

Custom Homes Built Around You

Designed to Your Budget

We set your budget at the first meeting and design to it from the first sketch. Square footage, finishes, and structural choices are weighed against cost as the plans develop, so the home you approve is the home you can build.

Built for the Desert Climate

Orientation, roof overhangs, glazing, and shade are planned around Coachella Valley sun and heat. Those early choices lower cooling loads, simplify Title 24 compliance, and keep the home comfortable through the summer.

Casitas and Guest Houses

Many desert lots have room for a casita or guest house for seasonal visitors, family, or a home office, a common request in Rancho Mirage and Palm Springs. We design casita plans and guest house plans alongside the main residence or as an addition to an existing property.

3 Steps to Your Custom Home Plans

01

Review your lot and goals

We start with a discovery call and an on-site review of your lot, covering setbacks, orientation, views, and your bed, bath, and square footage goals. Your written proposal follows within 24 hours.

02

Design to your budget

Concepts develop into floor plans, elevations, and a full construction set, with structural, MEP, and Title 24 sheets coordinated as the design is finalized.

03

Submit and see it through to permit

We submit the plan set to your city or county and handle every plan check correction until the permit is issued.

Here's What People Are Saying

“Very professional and very talented!”

Enrique was great! We would highly recommend him and would use him again. He is very professional and very talented!

Flor Rivera
October 8, 2025

“High-quality designs for our backyard”

The company was on time, efficient, and delivered high-quality designs for our backyard. We were very impressed with their knowledge and professionalism. I would highly recommend Black Diamond Drafting & Design to anyone looking for a complete landscape solution.

Veronica Fiorella
October 8, 2023

“Beautiful and creative design”

Beautiful and creative design. The backyard looks amazing. It is very functional and excellent use of the space. Highly recommend.

Lisa Voeller
October 8, 2023

Start Planning Your Custom Home

Request an estimate and we'll walk your lot, review your goals and budget, and send a written proposal within 24 hours of the site visit.

Explore Our Portfolio of Designs

Custom homes, outdoor living spaces, and commercial projects designed by Black Diamond across Palm Springs and the Coachella Valley.

Avenue 50 desert modern compound in Indio, CA
Mami Paletas interior design concept in Palm Desert, CAMami Paletas interior design concept in Palm Desert, CA
Tiedeman residence desert modern homeTiedeman residence desert modern home
Avenue 50 estate in Indio, CAAvenue 50 estate in Indio, CA