---
title: "Studio300A Architecture — Architects & Building Designers | Houzz"
canonical_html_url: https://www.houzz.com/professionals/architects-and-building-designers/studio300a-architecture-pfvwus-pf~1451391380
markdown_url: https://www.houzz.com/md/professionals/pf~1451391380.md
entity_type: LocalBusiness
business_name: "Studio300A Architecture"
category: ["Architects"]
image: https://st.hzcdn.com/fimgs/d2c3d0ca00527e08_9319-w400-h400-b0-p0--.jpg
address: "480 Gate 5 Road, Sausalito, California 94965, United States"
latitude: 37.8685
longitude: -122.5091
phone: "(415) 332-1300"
website: https://www.studio300a.info/home
rating: 5
review_count: 4
years_in_business: 21
license_verified: true
best_of_houzz_awards: 1
followers: 81
last_updated: 2026-09-12
---

# Studio300A Architecture

> Highly Unique & Functional Design Solutions in Marin County

Original Houzz profile: [Studio300A Architecture](https://www.houzz.com/professionals/architects-and-building-designers/studio300a-architecture-pfvwus-pf~1451391380)

## Professional summary

- **Primary category:** Architects
- **Location:** Sausalito, CA
- **Serves:** San Francisco, Richmond, San Rafael, Mill Valley, Larkspur, San Anselmo, Tamalpais-Homestead Valley, Corte Madera, Tiburon, Kentfield, Sausalito, Lucas Valley-Marinwood, North Richmond, Santa Venetia, Marin City, Sleepy Hollow, Ross, Belvedere, Fairfax, Lagunitas-Forest Knolls, Woodacre, Bolinas, Stinson Beach, Muir Beach, San Geronimo, Belvedere Tiburon, Forest Knolls, Greenbrae, Lagunitas, San Quentin
- **Verified License:** Yes
- **Houzz rating:** 5.0 out of 5 (4 reviews)
- **Best of Houzz:** 1 award (2019), for Service.

## About

### Houzz Badges

- Houzz Pro Software User
- Star Houzzer
- 1,000 Ideabook Saves
- Locally owned
- References available
- 21 years in business

### Business highlights

- 21 years in business
- Locally owned
- References available

Studio 300A Architecture is focused on design coherence and in place-making. We don’t believe that buildings are stand-alone products to be placed on the land or in a community.  Rather they are a highly responsive occurrence, a unique and unrepeatable result of the people who shape and use them, the climate, terrain and the community they continually interact with.  We are striving for "somewhereness".

This may sound a bit heady or theoretical, but the feeling of a well designed building is quite the opposite; it’s a very primal, solid and visceral experience—and when it’s a part of one’s daily life it can’t help but to underscore the importance of that life.

One other thing that is important to us is the notion that good design is not so closely linked with big budgets. In fact, as the years pass we can often see an inverse relationship between the two.

Though based in Marin County, CA, we are focused most in small houses through modest means.

### Services Provided

- Architectural Design
- Building Design
- Home Remodeling
- Architectural Drawings
- Custom Homes
- House Plans
- New Home Construction
- Home Additions
- Home Extensions
- Kitchen Design
- Kitchen Remodeling
- Sustainable Design
- Accessory Dwelling Units (ADUs)
- Green Building
- Bathroom Design
- Space Planning
- Guesthouse Design & Construction
- Pool House Design & Construction
- Home Restoration
- Outdoor Kitchen Design
- Barn Design & Construction
- Tiny House Construction
- Staircase Design
- Deck Design
- Garage Design
- Rooftop Deck Installation

### Areas Served

- San Francisco
- Richmond
- San Rafael
- Mill Valley
- Larkspur
- San Anselmo
- Tamalpais-Homestead Valley
- Corte Madera
- Tiburon
- Kentfield
- Sausalito
- Lucas Valley-Marinwood
- North Richmond
- Santa Venetia
- Marin City
- Sleepy Hollow
- Ross
- Belvedere
- Fairfax
- Lagunitas-Forest Knolls
- Woodacre
- Bolinas
- Stinson Beach
- Muir Beach
- San Geronimo
- Belvedere Tiburon
- Forest Knolls
- Greenbrae
- Lagunitas
- San Quentin

### Typical Job Cost

$50,000 - 5 million

The scope of work we do varies widely.  Its all fun...

## Business Details

| Field | Value |
| --- | --- |
| Business Name | Studio300A Architecture |
| Address | 480 Gate 5 Road, Sausalito, California 94965, United States |
| Phone | (415) 332-1300 |
| Website | https://www.studio300a.info/home |
| License Number | C29092 |
| Years in business | 21 |
| Followers on Houzz | 81 |

**Social profiles:**
- Facebook — https://www.facebook.com/pages/studio-300a-architecture/253380084703794?ref=hl
- Blog — https://www.studio300a.info/home

## Contact

- **Houzz profile:** [Studio300A Architecture](https://www.houzz.com/professionals/architects-and-building-designers/studio300a-architecture-pfvwus-pf~1451391380)
- **Website:** https://www.studio300a.info/home
- **Phone:** (415) 332-1300

## Credentials

**Verified License**
- Number: C29092
- Type: Architect
- Issued by: California Architects Board

- **Best of Houzz:** 1 award (2019), for Service.

**Affiliations**
- [American Institute of Architects, San Francisco](https://www.houzz.com/professionals/schools-and-organizations/american-institute-of-architects-san-francisco-pfvwus-pf~788533068)

## Reviews

**Overall rating: 5.0 out of 5 — 4 reviews**

*Aspect averages:*
- Work Quality: 50.0
- Communication: 50.0
- Value: 50.0

### Featured Review

**★★★★★ — Jennifer Francis-Fearon, Dec. 2018**

> Barry is an artist that practices architecture.  His design aesthetic is elegant and creative without being unnnecessarily costly.   My project included preserving the character of a mid-century home with an Asian influenced design.   Barry's experience with natural materials in a waterfront location was a perfect fit for the restoration.

### All 4 reviews

**★★★★★ — Phil Kline - General Contractor, Nov. 2022**

> Barry Peterson has a unique style of architecture that captures and expresses natural beauty in the homes that he designs. He is not afraid to break out of the traditional ways of putting a house together, and be creative, and innovative in his design.
> I am a general contractor who has worked with Barry for over the past twenty years.  My experience of how he works is that he trusts the ‘organic’ unfolding of the design of a house, allowing the space to take shape informed by his clients, the surrounding land, and the structure already exists.  What I appreciate most about Barry is his rich sense of aesthetics, and his ability to see, and bring out the beauty in spaces where people live, making them more livable and more enjoyable.

**★★★★★ — James Burns, Nov. 2018**

> We have used Barry’s architectural services for a number projects, both big/small and inside/outside.  All have exceeded our expectations.  The spaces Barry has designed for us are both contemporary, warm & inviting - perfect spots for reading, relaxing, etc..  We have learned through working with Barry that superior design results in a much greater enjoyment of one’s home.  I should add that Barry is easy to work with and really listens to his clients’ design wants & needs.

**★★★★★ — C Wright Design, Nov. 2018**

> We hired Barry because we saw the beautiful work he has done for so many of our neighbors. I am an interior designer and have worked with many architects so this was a leap for me. Barry has been a DELIGHT to work with. He is smart, professional, timely in his response, flexible, and works well with the other professionals on our project. I have found that architects are often either technical architects or design architects. Barry is a creative design architect first, but all his technical skills are excellent as well. He has done extensive drawings, worked seamlessly with all engineers and contractors, gotten our permits, and made us feel that we have a true advocate throughout the process. I would highly recommend him. You will be so happy you did!

## Selected projects

- [Muir Beach ADU](https://www.houzz.com/hznb/projects/muir-beach-adu-pj-vj~7495797)
  - Location: Not specified
  - Photos: 14
- [ADU with a view](https://www.houzz.com/hznb/projects/adu-with-a-view-pj-vj~6827357)
  - Location: Sausalito, CA
  - Photos: 8
  - Description: We excavated this 350 SF ADU under a house by the late great Don K Olsen in Sausalito, CA. For a largely subterranean space, it actually feels pretty expansive and airy...
- [Tiburon Renovation](https://www.houzz.com/hznb/projects/tiburon-renovation-pj-vj~6811884)
  - Location: Tiburon, CA
  - Photos: 12
  - Description: We gutted a 1977 spec house that was poorly built but exquisitely sited overlooking Richardson's Bay and the Golden Gate Bridge. We raised the roof in places and dug out the entry to make an entry court and garden. (More images of that later). We exposed much of the roof framing to provide relief from all the excessive drywall in the house. We worked with Lunaria lighting and they helped us find some awesome light fixtures for the place.
- [Mid-century Make over in Belvedere](https://www.houzz.com/hznb/projects/mid-century-make-over-in-belvedere-pj-vj~5852733)
  - Location: Belvedere, CA
  - Photos: 13
  - Description: We are only showing detail images now as this project is slowly coming together, We will show more after completion. This is a renovation of what was already a lovely, albeit tired Japanese mid-century home on Richardson's Bay near SF.
- [Muir Beach Makeover](https://www.houzz.com/hznb/projects/muir-beach-makeover-pj-vj~5464234)
  - Location: Muir Beach, CA
  - Photos: 16
  - Description: Complete renovation inside and out of a Muir Beech landmark home, with the addition of a master bedroom with a living roof. Project 90% complete as of these photos.
- [Northern California Retreat](https://www.houzz.com/hznb/projects/northern-california-retreat-pj-vj~5779637)
  - Location: Not specified
  - Photos: 12
- [Modern Landscape in Mill Valley, CA](https://www.houzz.com/hznb/projects/modern-landscape-in-mill-valley-ca-pj-vj~288798)
  - Location: Mill Valley, CA
  - Photos: 7
  - Description: This modern compact Mill Valley landscape is comprised of several board-formed concrete planters and walls, framed by warm tones of cedar fencing, arbors and an overhead structure that provides wind protection when sitting in front of the firepit. The plantings provide a variety of interesting leaf textures and colors that tie it all together and chosen to withstand the windy conditions. These photos taken just one month after planting. More photos will be uploaded as the garden flourishes. Plan…
- [A Small House of Modest Means.](https://www.houzz.com/hznb/projects/a-small-house-of-modest-means-pj-vj~83019)
  - Location: Sausalito, CA
  - Photos: 6
  - Description: A very small house that feels large. This house was made with standard off-the-shelf framing lumber which was then sandblasted once the house was framed. Very little additional finishes were used. Each element of the building had more than one purpose, and this made this house (by Bay Area standards) very affordable. Also, that this house was built on a 1900 SF lot and so was constrained on all sides, including the top, our biggest task was to make the house feel large and expansive once inside.…
- [Living Outside (even in the wind)](https://www.houzz.com/hznb/projects/living-outside-even-in-the-wind-pj-vj~645861)
  - Location: Not specified
  - Photos: 13
  - Description: creating outdoor living in a very windy place. The name of the game is to catch the sun and block the wind, while gracefully connecting to the existing indoor spaces....
- [A Carport for Very Little Money](https://www.houzz.com/hznb/projects/a-carport-for-very-little-money-pj-vj~83720)
  - Location: Sausalito, CA
  - Photos: 4
  - Description: This is a small carport added to an existing duplex residence. The house itself has very little character (it being one of the poorer examples of Wurster, Bernardi and Emmons mid-80's work) and though we really wanted to do all we could change that fact with our project, the scope and budget of this project would not really allow us to make any profound changes to the house. But we could at least have positive affect on where the house engages the street and sidewalk and how you enter the house…
- [Renovation of an old cottage in the woods](https://www.houzz.com/hznb/projects/renovation-of-an-old-cottage-in-the-woods-pj-vj~83022)
  - Location: Mill Valley, CA
  - Photos: 7
  - Description: This is a complete gutting of a small section of an old cottage that was a poor addition long after the early 20th century cottage was built. Our task was to get transform that addition such that it not only offered the modern conveniences of a new master suite, but also that it truly belonged to the 1910 cottage. We also provided some spatial modulation via a trellis and shelving structure that divided the kitchen and dining area, which was too vast and open previously--one felt a bit lost at t…

[See all 11 projects](https://www.houzz.com/professionals/architects-and-building-designers/studio300a-architecture-pfvwus-pf~1451391380)

## Video

- [Company video](https://player.vimeo.com/external/840723776.m3u8?s=efd49cc494f8f4a5fe89e4f675ffc3c27056b658&oauth2_token_id=1384357804)

## Frequently Asked Questions

**Do you handle permitting, zoning, and regulatory approvals?**
Yes, we provide architectural planning and design services right through to the completed building, which includes navigating permitting, zoning, and regulatory approvals. We ensure your project complies with all local requirements in Marin County and the SF Bay Area.

**What types of projects do you specialize in (custom homes, remodels, additions)?**
We specialize in a wide range of residential projects, including new custom homes, renovations, additions, and adaptive re-use. We particularly focus on small houses and modest means projects, as well as small-scale commercial work. Our portfolio showcases various remodels and new builds in the SF Bay Area.

**How do you help clients design within their construction budget?**
We firmly believe that good design isn't tied to big budgets; often, we see an inverse relationship. Our focus is on 'small houses through modest means,' and we work closely with clients to create thoughtful, high-quality designs that are achievable within their financial parameters.

**Do you provide full-service architectural services through construction?**
Yes, we offer full-service architectural planning and design, guiding your project right through to the completed building. Our comprehensive approach ensures continuity and support from initial concept development to the final touches of construction.

**Do you design fully custom homes?**
Absolutely, designing fully custom homes is a core part of our practice. We work closely with you to create a unique residence that perfectly fits your vision, site, and lifestyle, ensuring it truly belongs where it is. Our portfolio includes custom new builds in the SF Bay Area.

*FAQ content may be generated based on the Pro's Houzz profile and website.*

## Community Q&A

**Q: thickness of metal** *(in Photo Questions)*

Hi, what gauge is the metal? thanks

A: 22 gauge, but since it does not matter so much for this application.

**Q: What is the make and model of this fireplace ?** *(in Photo Questions)*

A: Heat & Glo peninsula FP.  The slate on top was something we added....

**Q: patio arbor material** *(in Photo Questions)*

What is the arbor made of?

A: what he said...

**Q: Hello, Can you tell me the mfg and model of the hood. It is perfect for my space. Thanks!** *(in Photo Questions)*

A: Ill have to check with the owners, as they chose it and purchased it.

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*Source: Houzz professional profile. Reflects the profile as of 2026-09-12.*