---
title: "McCarthy Design — Building Designers and Drafters | Houzz"
canonical_html_url: https://www.houzz.com/professionals/building-designers-and-drafters/mccarthy-design-pfvwus-pf~2015000755
markdown_url: https://www.houzz.com/md/professionals/pf~2015000755.md
entity_type: LocalBusiness
business_name: "McCarthy Design"
category: ["Building Designers and Drafters"]
image: https://st.hzcdn.com/fimgs/df63b1f5063242b2_4874-w400-h400-b0-p0--.jpg
address: "755 Broadway, Sonoma, California 95476, United States"
latitude: 38.2849
longitude: -122.4696
phone: "(707) 775-5954"
website: https://www.patrickmmccarthy.com
rating: 5
review_count: 4
best_of_houzz_awards: 2
followers: 33
last_updated: 2026-09-14
---

# McCarthy Design

Original Houzz profile: [McCarthy Design](https://www.houzz.com/professionals/building-designers-and-drafters/mccarthy-design-pfvwus-pf~2015000755)

## Professional summary

- **Primary category:** Building Designers and Drafters
- **Location:** Sonoma, CA
- **Serves:** Napa, Petaluma, Novato, Sonoma, Boyes Hot Springs, El Verano, Penngrove, Temelec, Glen Ellen, Eldridge, Kenwood, Fetters Hot Springs-Agua Calie, Kauai, Lake Tahoe, Sonoma County, Vineburg
- **Houzz rating:** 5.0 out of 5 (4 reviews)
- **Best of Houzz:** 2 awards (2020–2021), for Service.

## About

### Houzz Badges

- 10 Ideabook Saves

Professional Custom Home Design, Drafting & Building Permit Services available in Sonoma, Napa, and Marin County and beyond. Design Office located in downtown 755 Broadway Sonoma, CA. 95476. Design and Build.

McCarthy Design can elevate your space to the next level.
Services Provided: Construction Drawings for Building Permit. Custom Home Design,  Additions, Remodels, Accessory Dwelling Units (ADU, Second Unit, Granny Unit). 3D Modeling (BIM: Archicad), Photorealistic Rendering, Design Review, Use Permits, Land Planning. 

McCarthy Design helps your vision a reality.  Building a new home or remodeling an existing home can be a daunting task, McCarthy Design streamlines the process of your construction project, from Schematic Design to submitting Construction Drawings for building permits, we work directly with you every step of the way. Whether you are an Owner/ Builder, General Contractor, or Real Estate Investor, we can get your construction project on the road to completion, drafting  your construction drawings  for Permitting in the most timely manner possible. 

Using Archicad (3D modeling software) your project comes to life on the screen, enabling you to see in 3D what your finished design will look like. Use of Archicad for design and drafting is helpful for both client and designer, enabling both to see the structure in 3D and understand the design better. Archicad is streamlined BIM software package that saves time and money for clients. 
Call us today @ 707-775-5954 for a appointment and get your construction project underway.
New Home Design, Additions, Remodeling, Accessory Buildings, Second Units or Granny Units, Guest House, Rental Unit, Pool House, projects large and small.

### Services Provided

- 3D Rendering
- Accessory Dwelling Units (ADUs)
- Architectural Design
- Architectural Drawings
- Attic Conversion
- Barn Design & Construction
- Building Design
- Building Permit
- Construction Drawings
- Custom Home
- Custom Homes
- Design - Build
- Drafting
- Earthquake Retrofitting
- Energy-Efficient Homes
- Floor Plans
- Green Building
- Guesthouse Design & Construction
- Handicap-Accessible Design
- Home Additions
- Home Extensions
- Home Gym Design & Construction
- Home Remodeling
- House Plans
- Log Home Construction
- Modular Home Additions
- Multigenerational Homes
- New Home Construction
- Passive Solar Heating & Cooling
- Pool House Design & Construction
- Project Management
- Residential Design & Drafting
- Rooftop Deck Installation
- Site Planning
- Staircase Design
- Structural Engineering
- Sustainable Design
- Tiny House Construction
- Universal Design

### Areas Served

- Napa
- Petaluma
- Novato
- Sonoma
- Boyes Hot Springs
- El Verano
- Penngrove
- Temelec
- Glen Ellen
- Eldridge
- Kenwood
- Fetters Hot Springs-Agua Calie
- Kauai
- Lake Tahoe
- Sonoma County
- Vineburg

### Typical Job Cost

$3,000 - 50,000

Cost based on Square Footage and complexity of project. Professional "Standard of Care" is implemented by providing each client's project a fixed cost. Free Estimate of project available.

## Business Details

| Field | Value |
| --- | --- |
| Business Name | McCarthy Design |
| Address | 755 Broadway, Sonoma, California 95476, United States |
| Phone | (707) 775-5954 |
| Website | https://www.patrickmmccarthy.com |
| Followers on Houzz | 33 |

**Social profiles:**
- Facebook — https://www.facebook.com/mccarthydesignsonoma/
- Blog — https://patrickmmccarthy.com

## Contact

- **Houzz profile:** [McCarthy Design](https://www.houzz.com/professionals/building-designers-and-drafters/mccarthy-design-pfvwus-pf~2015000755)
- **Website:** https://www.patrickmmccarthy.com
- **Phone:** (707) 775-5954

## Credentials

- **Best of Houzz:** 2 awards (2020–2021), for Service.

## Reviews

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

### All 4 reviews

**★★★★★ — Chad Richards, Jan. 2020**

> Patrick McCarthy was great to work with. He is very knowledgable and creative with his design concepts. I had a general idea in mind of what I wanted, and he made several suggestions that significantly upgraded  the look and feel of the final design, without additional cost. Thanks to Patrick, my remodel design is way better that I ever could have anticipated. I would highly recommend McCarthy Design if you are looking to do a remodel or new build.

**Comment from McCarthy Design:**

> Chad, Thank you for your kind words. Glad to assist in making your vision a reality!

**★★★★★ — Jim Sickles, Sept. 2019**

> Patrick is innovative will still current with all the recent design trends. He works well with the local building and permit departments in the area that’s key in working one’s way through the local permitting process. We enjoyed working with him on our remodel project.

**★★★★★ — Maggie Salenger, Feb. 2018**

> Patrick took over my project as designer when I realized that I needed more professional design work than I was getting elsewhere.  He designed a lovely small house for me, supported me as I worked to obtain a building permit and has been readily available as I have need his input.  I would work with him again in a heart beat!

**★★★★★ — Mark Hannon, Jan. 2018**

> We used Patrick on two projects. We purchased a house and needed floor plans to submit to the county. Patrick worked with our interior designer to get the plans for county review. We were very pleased with our remodel project. We also had an ambitious plan to add a second garage and a funicular (incline elevator) from the new garage to the an upper deck. Patrick performed the conceptual design for the recently completed project. We enjoyed working with Patrick on both projects.

## Selected projects

- [Custom Home in Napa](https://www.houzz.com/hznb/projects/custom-home-in-napa-pj-vj~7681651)
  - Location: Not specified
  - Photos: 1
- [Custom Home: Contemporary Mountain House](https://www.houzz.com/hznb/projects/custom-home-contemporary-mountain-house-pj-vj~6027069)
  - Location: Santa Rosa, CA
  - Photos: 1
- [Contemporary Napa River Custom Home](https://www.houzz.com/hznb/projects/contemporary-napa-river-custom-home-pj-vj~6026796)
  - Location: Napa, CA
  - Photos: 1
  - Description: Directly on the Napa River in beautiful wine country, this Two Story Contemporary Custom Home will provide unobstructed views of the North San Francisco Bay estuaries and beyond Mt. Diablo to Mt Tamalpais. Truely a stunning location including private dock with access to Napa River and the Bay. Due to be constructed in near future.
- [Sonoma Valley Duplex](https://www.houzz.com/hznb/projects/sonoma-valley-duplex-pj-vj~5861528)
  - Location: Sonoma, CA
  - Photos: 1
- [French Normandy Revival](https://www.houzz.com/hznb/projects/french-normandy-revival-pj-vj~5387230)
  - Location: Glen Ellen, CA
  - Photos: 5
  - Description: This is a new construction after wildfire of 2017. Client has an unbelievable vantage point above Glen Ellen with 360 views of Sonoma Valley. Atop the mountain peak that has been leveled off, the steep pitch and natural materials appear to complete the peak.
- [Concept: Glass, Steel & Wood](https://www.houzz.com/hznb/projects/concept-glass-steel-and-wood-pj-vj~5387186)
  - Location: Not specified
  - Photos: 5
- [Sonoma Residence with Detached Guesthouse and Garage](https://www.houzz.com/hznb/projects/sonoma-residence-with-detached-guesthouse-and-garage-pj-vj~1387512)
  - Location: Sonoma, CA
  - Photos: 14
  - Description: Custom home in Sonoma, CA. Massive 6' overhangs, 8' header height throughout, a gallery that extends the length of building, sunken showers, wall hung toilets, 16' door exiting great-room to yard. This design lends to comfortable living and flow.
- [4 Bedroom 2.5 Bath 3 Car Garage with Pool](https://www.houzz.com/hznb/projects/4-bedroom-2-5-bath-3-car-garage-with-pool-pj-vj~2018137)
  - Location: Sonoma, CA
  - Photos: 3

[See all 8 projects](https://www.houzz.com/professionals/building-designers-and-drafters/mccarthy-design-pfvwus-pf~2015000755)

## Ideabooks

- [Tudor Revival Architecture](https://www.houzz.com/ideabooks/140454133/list/tudor-revival-architecture) — 12 ideas
- [Sonoma Valley Modern Farmhouse](https://www.houzz.com/ideabooks/134331156/list/sonoma-valley-modern-farmhouse) — 3 ideas
- [2nd St. West Shade Structure](https://www.houzz.com/ideabooks/125839420/list/2nd-st-west-shade-structure) — 1 idea
- [5th St West- Covered area & Garage Conversion](https://www.houzz.com/ideabooks/125839310/list/5th-st-west-covered-area-garage-conversion) — 4 ideas
- [Wood Valley Rd](https://www.houzz.com/ideabooks/119792075/list/wood-valley-rd) — 1 idea
- [WALLACE RD: MSTR BDRM](https://www.houzz.com/ideabooks/117632049/list/wallace-rd-mstr-bdrm) — 3 ideas
- [WALLACE RD: BEDROOM 1/ 2/ 3](https://www.houzz.com/ideabooks/117138002/list/wallace-rd-bedroom-1-2-3) — 3 ideas
- [WALLACE RD: GUEST BATH](https://www.houzz.com/ideabooks/117158166/list/wallace-rd-guest-bath) — 8 ideas
- [WALLACE RD: KITCHEN PRODUCT SPECS](https://www.houzz.com/ideabooks/117136146/list/wallace-rd-kitchen-product-specs) — 14 ideas
- [WALLACE RD: LAUNDRY/ MUD RM](https://www.houzz.com/ideabooks/117136374/list/wallace-rd-laundry-mud-rm) — 6 ideas
- [Bathroom](https://www.houzz.com/ideabooks/96284891/list/bathroom) — 1 idea
- [findmccarthy's ideas](https://www.houzz.com/ideabooks/56032560/list/findmccarthy-s-ideas) — 51 ideas
- [Rollo Rd](https://www.houzz.com/ideabooks/102398148/list/rollo-rd) — 38 ideas
- [FARMHOUSE](https://www.houzz.com/ideabooks/111122074/list/farmhouse) — 3 ideas
- [Rapp Ln](https://www.houzz.com/ideabooks/102273643/list/rapp-ln) — 9 ideas
- [Foothill Ranch Rd](https://www.houzz.com/ideabooks/98043249/list/foothill-ranch-rd) — 4 ideas
- [Napa Rd](https://www.houzz.com/ideabooks/98074318/list/napa-rd) — 21 ideas
- [French Country](https://www.houzz.com/ideabooks/94712635/list/french-country) — 11 ideas
- [Sonoma Addition](https://www.houzz.com/ideabooks/86386057/list/sonoma-addition) — 9 ideas
- [Cantilever Design](https://www.houzz.com/ideabooks/67195360/list/cantilever-design) — 11 ideas

[See all 20 ideabooks](https://www.houzz.com/ideabooks/users/findmccarthy)

---

*Source: Houzz professional profile. Reflects the profile as of 2026-09-14.*