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Top Architectural Styles for Custom Homes in Sonoma County

Designing a custom home in Sonoma County is an exciting opportunity to create a truly one-of-a-kind space that reflects your unique spirit and lifestyle. Whether you’re envisioning a charming farmhouse nestled among the vineyards or a Mediterranean-inspired retreat with views of the coast, the architectural style sets the tone for your entire home. 

Read on to explore the top architectural styles for custom homes in Sonoma County, each offering its own blend of beauty, function, and regional homage.

Popular Custom Home Architectural Styles in Sonoma County, CA

Sonoma County is known for its remarkable variety of landscapes. No matter where you are, you’re likely just a short drive from breathtaking beaches, towering redwood forests, rolling vineyard-covered hills, or sprawling farmland.

With such a diverse mix of terrains and microclimates, the region offers a stunning backdrop for a wide range of different architectural styles. This gives homeowners the freedom to choose a custom home design that reflects their personal taste, lifestyle needs, and the unique character of the surrounding landscape.  

Below, we look at some of the most popular architectural styles for custom homes in Sonoma County. 

1. Farmhouse

The exterior of a custom home build in St. Helena, CA, in a farmhouse architectural style, with white walls surrounded by trees
Farmhouse Style Custom Home Project, completed by Precision Builders in St. Helena, CA

Agriculture is deeply woven into Sonoma County’s heritage. We’re known for our farmers’ markets, wineries, and rural agricultural areas, so farmhouse-style homes fit the region’s look and feel perfectly. 

Key features you’ll find in a custom farmhouse-style home:

  • Large porches 
  • Vertical board and batten siding 
  • Neutral color palettes with warm wood accents 
  • Open kitchens with farmhouse sinks and large islands 
  • Exposed beams, shiplap walls, and rustic finishes 
  • Smaller windows with decorative shutters 

Whether you’re building your custom home on acreage or in a suburban neighborhood, the farmhouse style reflects Sonoma County’s roots without compromising modern comforts.

2. Modern

The exterior of a Custom Home Build in Angwin with modern style architecture, stone wall, and gabled roof
Modern Style Custom Home Project, completed by Precision Builders in Angwin, CA

Modern architecture is known for its sleek and striking style. These homes highlight bold geometry, asymmetrical designs, and natural light. With lots of large windows and a minimalist aesthetic, a modern-style home is perfect for enjoying Sonoma County’s breathtaking views and natural scenery. 

Key features you’ll find in a modern-style home:

  • Minimal detailing 
  • Intentional asymmetry 
  • Broad roofs and overhangs 
  • Dark, neutral color palettes 
  • Clean lines and geometric forms 
  • Open floor plans with fewer interior walls 
  • Large windows, sometimes floor-to-ceiling

With so much natural beauty in Sonoma County, modern homes are perfect for hilly lots, wooded areas, and just about anywhere with a great view. 

3. Mid-Century Modern

The exterior of a mid-century modern custom home build, with dark gray walls and large windows
Mid-Century Modern Style Custom Home Project, completed by Precision Builders in Santa Rosa, CA

Mid-century modern (MCM) is one of California’s most iconic architectural design styles. With a minimalist yet cozy feel, this style emerged after World War II and has remained incredibly popular ever since. MCM homes are known for their open layouts, retro vibes, and a focus on bringing nature indoors. 

Key features of mid-century modern homes include:

  • Flat roofs 
  • Open floor plans 
  • Low and wide footprint 
  • Clean lines and minimal ornamentation 
  • Large windows without shutters, often floor-to-ceiling 
  • An emphasis on flow between indoor and outdoor spaces 
  • Integration with nature and use of natural materials like wood and stone

While Palm Springs is famous for having the largest selection of mid-century modern homes in California, you’ll find this design influencing many custom homes here in Sonoma County, too. With its emphasis on clean lines, natural materials, and indoor-outdoor flow, it fits right in with our scenic surroundings.

Modern Design vs. Mid-Century Modern Design

Modern design and Mid-Century Modern design share clean lines and a focus on simplicity, but they stem from different eras and aesthetics:

  • Modern design is a broader, more contemporary style that emphasizes minimalism, open spaces, and a neutral color palette, often incorporating sleek materials like steel, glass, and concrete.  
  • Mid-Century Modern, by contrast, originated in the mid-20th century (roughly the 1940s–1960s) and features organic shapes, warm wood tones, and a balance between form and function.  

While both styles favor uncluttered spaces, Mid-Century Modern often feels more playful and retro, whereas Modern design leans toward a more polished, futuristic look. 

4. Spanish Colonial Revival

The exterior of a custom home build in Santa Rosa, CA, in a Spanish Colonial architectural style, with white walls surrounded by trees
Spanish Colonial Revival Style Custom Home Project, completed by Precision Builders in Santa Rosa, CA

The Spanish Colonial Revival design style is a true testament to elegance, charm, and elevated living. Influenced by early Spanish colonial architecture in the Americas, this architectural style is known for stucco and tile that offer both beauty and practicality in Sonoma County’s warmer climate. 

Some key characteristics of the Spanish colonial revival home style include:

  • Arched doorways 
  • White stucco walls 
  • Prominent chimneys 
  • Wrought iron railings 
  • Asymmetrical façades 
  • Wooden ceiling beams and rustic finishes
  • Low-pitched roofs with red or terra cotta tiles

The asymmetrical façades of Spanish Colonial architecture are especially fitting for this region’s hillsides and vineyard landscapes. Plus, stucco, stone, and tile help insulate your home to keep it cooler during warmer months. 

5. Mediterranean Revival

Mediterranean Revival Style Custom Home Project, completed by Precision Builders in Santa Rosa, CA

Mediterranean Revival architecture blends elements of Spanish, Italian Renaissance, and Moorish styles. Characterized by breezy courtyards, outdoor living spaces, and timeless charm, this design aligns perfectly with Sonoma County’s laid-back lifestyle.

Some key features of Mediterranean Revival homes include:

  • Clay tile roofs
  • Symmetrical façades
  • Stucco walls (often white or earth-toned)
  • Wrought iron detailing (railings, lanterns, etc.)
  • Often includes courtyards, lush landscaping, and tilework

Sonoma County is known for having a very similar climate to the Mediterranean region—that’s why our vineyards do so well! So it’s no surprise that our landscapes make the perfect backdrop for Mediterranean Revival style homes.

Bring Your Custom Home in Sonoma County to Life with Precision Builders

Whether you’re drawn to the rustic charm of farmhouse homes or the minimalist elegance of modern design, the unique geography and climate of Sonoma County make it suitable for all kinds of architectural styles.

At Precision Builders, we specialize in custom homes that are not only beautifully designed but thoughtfully tailored to fit your unique lifestyle and needs. Our team is dedicated to bringing your vision to life with expert craftsmanship and personalized service. We’ll walk you through every step of the custom home building process from start to finish to make everything as seamless and stress-free as possible.

Ready to start designing your dream home? Contact us online today or call 707-595-5891 to get in touch with our expert team.