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Home Designers & Architects in Mill Valley, CA

Need a house cleaner in Mill Valley? Below are 41 home designers serving Mill Valley, CA — compare ratings, call for a free quote, and book a team you trust in your home. Providers listed in Mill Valley cover interior designers and architects. Mill Valley sits in Marin County, California. Other California cities covered include Los Angeles, San Diego and Millbrae.

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1. Atlas Landscapes Architects

611 Laguna Road

2. Michael Moyer Architecture Architects

239 Miller Ave Ste 6

3. Architecture International Architects

225 Miller Ave Ste A

4. Corine Maggio Natural Designs Interior Designers

203 Flamingo Rd PMB 203

5. Act Publishing Interior Designers

655 Redwood Hwy Frontage Rd

6. E.e. Weiss Architects, Inc Architects

21 Corte Madera Ave Ste 4

7. Phebe Gregson Interior Design Interior Designers

90 Throckmorton Ave

8. Craig Frazier Studio Interior Designers

90 Throckmorton Ave

9. Linda Wegmann Design Interior Designers

16 Miller Ave Ste 203

10. Alignature Interior Designers

38 Miller Ave # 145

11. Portnoy Consulting Architects

35 Miller Ave

12. Richardson Architects Architects

225 Flamingo Rd

13. Laughing Chickens Interior Designers

258 Redwood Hwy Frontage Rd

14. James Henry Interior Designers

247 Shoreline Hwy Ste A11

15. Melange Interior Designers

14 Locust Ave

16. Ee Weiss Architects Architects

21 Corte Madera Ave Ste 4

Home designers & architects in Mill Valley, CA: a local guide

We currently track 16 residential architects and home designers serving Mill Valley, CA in Marin County.

What home design costs in Mill Valley

Home designers and architects in Mill Valley typically charge a flat fee for a defined scope, an hourly rate (commonly $100-$250/hr) for consulting, or a percentage of construction cost (often 8-15%) for full-service projects. Ask for a written proposal that spells out deliverables, revisions, and who handles permits.

How to choose a home designer in Mill Valley

  • Review a portfolio of built Mill Valley-area projects in your style and budget, not just renderings.
  • Confirm licensing and who stamps the drawings, and whether they handle permits and inspections.
  • Pin down the fee structure up front — flat, hourly, or a percentage of construction cost.
  • Ask how many revisions are included and how changes are billed.
  • Ask whether they'll coordinate with your builder and stay involved during construction.

Questions to ask before you hire

  • Will you stay involved during construction?
  • Can I see built projects like mine?
  • Is your fee flat, hourly, or a percentage of construction cost?
  • Are you licensed, and who stamps the drawings?
  • Do you handle permits and inspections in Mill Valley?

Many Mill Valley listings also handle new-home design, additions, remodels, and permit-ready construction drawings.

Frequently asked questions

How much does a home designer or architect cost in Mill Valley?

Mill Valley designers and architects charge a flat fee for a set scope, an hourly rate often around $100 to $250 an hour, or a percentage of construction cost, commonly 8 to 15 percent, for full-service projects. Ask for a written proposal.

Do I need an architect or a home designer?

For structural changes, additions, or complex builds you generally want a licensed architect. For many remodels and straightforward new homes a home designer can handle it for less. Ask who stamps the drawings.

Will the designer handle permits in Mill Valley?

Many do, or they prepare permit-ready drawings and coordinate with the Mill Valley building department. Confirm this up front, as it saves time and rejected submittals.

How long does home design take?

A concept can take a few weeks; full construction drawings for a custom home or major addition often run one to three months, plus permit review.

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