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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 architects, interior designers and residential home designers. Mill Valley sits in Marin County, California. Other California cities covered include Los Angeles, San Diego and Millbrae.

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1. Rhaa Landscape Architects + Planners Architects

225 Miller Ave

2. Victoria Roberts Organizing Interior Designers

139 Elm Ave

3. Wagstaff and Rogers Architects Architects

275 Miller Ave #202

4. Caitlin Moran Interiors Interior Designers

420 Miller Ave Ste 102

5. Chambers + Chambers Architects Architects

420 Miller Ave

6. Richardson Pribuss Architects Architects

447 Miller Ave Ste D

7. Jessup Associates Architects Inc Architects

444 Miller Ave

8. The Pratt Company Residential Home Designers

591 Redwood Hwy Frontage Rd Ste 2150

9. Idf Studio Interior Designers

203 Flamingo Rd PMB 311

10. Florence Livingston Interiors Interior Designers

469 Miller Ave Ste B

11. Sidemark Studio Interior Design Interior Designers

131 Camino Alto Ste A

12. T Jones Design Group Interior Designers

205 Camino Alto Ct Ste 275

13. Markoff Fullerton Architects Architects

35 Miller Ave #401

14. Michael Heacock Architects Architects

129 Miller Ave Ste 623

15. Jim Moon Designs Interior Designers

130 Miller Ave

16. Oxb Studio Architects

99 E Blithedale Ave

17. Sutton Suzuki Architects Architects

39 Forrest St #101

18. Bradanini & Associates Architects

90 Throckmorton Ave Ste 16

19. Laurie Landsness Interior Design Interior Designers

16 Miller Ave Ste 207

20. Sherry Williamson Design Inc. Interior Designers

38 Miller Ave # 122

21. Lincoln Lighthill Architect Architects

35 Miller Ave PMB 320

22. House Properties Residential Home Designers

35 Corte Madera Ave

23. Integrated Design Studio Architects

227 Flamingo Rd

24. Dorman Associates, Inc. Architects

229 Flamingo Rd

25. Imprints Landscape Architecture Architects

202 Rosemont Ave

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

We currently track 25 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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