Top-rated architects.

Get matched with top architects in Altadena, CA

Enter your zip and get matched with up to 5 pros

Need a pro for your architectural service project in Altadena, CA?

Select your specific project to find the pro for you.

TRUSTED BY ALTADENA, CA HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon18
    Verified architectural services reviews

Find Architects in Altadena

Avatar for A.Design
A.Design
5.0(
20
)
Architect

Serving Altadena, CA and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"We worked with Andi on our house remodel, and they exceeded our expectations. His team was professional, creative, and attentive to our vision while providing expert guidance throughout the process. They balanced aesthetics with functionality, ensuring the design was both beautiful and practical. Communication was seamless, and they were always responsive to our questions and feedback. The final result truly transformed our space, and we couldn’t be happier. Highly recommend them for anyone looking for quality architectural work!"
Front
Kitchen
Dining
Living Room
Kitchen

+464

Response time1 day
Recommended by81%of homeowners
Avatar for Design 1 Studio
Design 1 Studio
4.9(
74
)
ArchitectDraftsperson/CADD

Serving Altadena, CA and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"From our very first meeting I knew these were the right people for our project. We added a second story to our home in El Monte and they designed it so beautifully that it doesn?t look like an addition at all. Neighbors keep asking who our architect is."
Different Projects
Different Projects
Different Projects
Different Projects
Homes and Buildings

+30

Response time1 day
9 neighbors recently requested a quote
Recommended by24%of homeowners
Avatar for Hye Turf Designs Landscaping and Pool Remodeling
Hye Turf Designs Landscaping and Pool Remodeling
5.0(
20
)
Architect - LandscapeArchitect - Landscape - For Business

Serving Altadena, CA and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"Hye Turf Designs Landscaping did a fantastic job on my home. I have also used them for other properties in my business, and all the jobs were done professionally and worked out great!. Hutch is very talented and proficient and his designs are very creative. The crew showed up on time and completed all the work on schedule. My neighbors comment all the time on how nice the landscaping looks!"
Landscaping Project
Landscaping Project
Landscaping Project
Additional Photos
Additional Photos

+28

Recommended by94%of homeowners
Avatar for Pro Builders Express, Inc.
Pro Builders Express, Inc.
4.5(
76
)
Designer - Building

Serving Altadena, CA and surrounding areas

Approved

In business since 1990

Free estimates

Small jobs welcome

"I hired Pro Builders Express, Inc. for their building service design service, and I couldn't be happier with the results! The design team took all of our ideas and turned them into a practical, beautiful, and efficient layout. Their communication was seamless throughout the project. Fantastic experience!"
Kitchen Remodel Album 2
Kitchen Remodel Album 2
Kitchen Remodel Album 2
Kitchen Remodel Album 2
Kitchen Remodel Album 2

+224

Response time1 day
Response rate90%
5 neighbors recently requested a quote
Avatar for Jean Prescott Studio
Jean Prescott Studio
4.7(
33
)
ArchitectDraftsperson/CADD

Serving Altadena, CA and surrounding areas

Approved

In business since 2017

Emergency services offered

Credit card accepted

"Entire interior house remodel was done. Excellent company to hire and follow through with every little detail of your house. Add a price that fits your budget. Friendly and congenial people to work with."
Scavolini Kitchen
Livingroom
White and Bright Livingroom
Corona Del Mar
Corona Del Mar

+47

Response time4 hrs
Response rate98%
2 neighbors recently requested a quote
Avatar for Drafting Design Services
Drafting Design Services
4.8(
18
)
Draftsperson/CADD

Serving Altadena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Credit card accepted

Offers commercial services

"Francisco rescued my project & completed the necessary corrections for my existing ADU plot plans!! He was familiar with the city's needs!! He was very professional, followed up when he said he would, is very easy-going & personable!! I highly recommend his services!!"
Response time2 days
5 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Green Republic Landscape Design Services
Green Republic Landscape Design Services
4.6(
52
)
Architect - LandscapeArchitect - Landscape - For Business

Serving Altadena, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"We couldn't be happier with our backyard project. Motti and Kimberly were just wonderful to work with. They were professional, knowledgeable, friendly, and attentive all throughout the process. They listened to our thoughts and educated us as to all our possibilities. Motti has a wonderful design eye and is so passionate about his work. We were very happy when we used them for the front of our house 4 years ago, this time around for the back, and we would use them again in the future. We recommend them highly."
Formosa Project
Linda Flora
Allot Ave
Oak Meadow Ln.
Lake Hollywood

+264

Response time4 days
Response rate100%
9 neighbors recently requested a quote
Avatar for C Perez Sprinkler & Landscape
C Perez Sprinkler & Landscape
4.5(
142
)
Architect - LandscapeArchitect - Landscape - For Business

Serving Altadena, CA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Cipriano has been working with us for 7 years on maintaining our yard. He has a wealth of knowledge on plants, flowers, and trees. He landscaped our front and back yards, which included fencing and irrigation and drainage. When dealt with a problem he is able to provide workable ideas to solve it…which he has done several times for us. He has a “good eye” for what works best and a real passion for gardening and landscaping."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+59

Response time1 day
1 neighbors recently requested a quote
Recommended by91%of homeowners
...
Showing 1-10 of 496
Architects questions, answered by experts

A seasonal routine is vital for architectural service projects in California. In fall, inspect fire-resistant landscaping and check drainage systems before the rains. During winter, monitor for water intrusion and foundation stability on hillsides. After the wet season in spring, assess any post-rain damage. In summer, check for heat-related material expansion and ensure all fire safety measures are compliant and ready.

Helpful?

It's time for an architectural service project in Altadena when you notice specific structural or climate-related signs. These include foundation settling on hillside properties, new cracks after earthquake activity, or persistent drainage issues during winter rains. Also consider a project if your HVAC system struggles with local temperature swings or you plan an ADU addition, which is a popular upgrade.

Helpful?

When hiring for an architectural service project in Altadena, prioritize pros with specific local expertise. Look for experience with Los Angeles County building codes, hillside construction challenges, and fire-resistant design principles. Their portfolio should show successful projects in similar foothill communities. Ensure they can coordinate effectively with specialized consultants like geologists and arborists, which is often necessary for local projects.

Helpful?

In Altadena, CA, architectural service projects often have unexpected costs from site-specific challenges. These include geological surveys for hillside properties, soil testing for expansive clay, and arborist reports for heritage oaks. Additionally, you may face fees for fire department plan reviews, historic district assessments, and HOA architectural reviews, all of which can impact your project's budget beyond initial estimates.

Helpful?

For architectural service projects in Altadena, having the right supplies is key. Keep tarps for winter rain protection and dust masks for Santa Ana wind conditions. Sandbags help with erosion control, while a generator is useful for power outages. Also, a digital camera for documenting progress and a tablet for accessing plans on-site will help you stay organized and prepared for local conditions.

Helpful?

The Altadena, CA homeowners’ guide to architectural services

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