Bay Area new home construction, ADUs, home additions and luxury backyard studios

Bay Area New Home Construction, ADUs, Home Additions & Luxury Backyard Studios

Architectural detail. On‑site craftsmanship. Fully finished, move‑in‑ready spaces built around how you live and work.

New Home Construction, ADUs & Home Additions

Signature builds crafted with architectural precision. From new homes to luxury ADUs, additions, and backyard studios — each project is engineered for longevity and finished with uncompromising detail.

New Home Construction

Ground‑up modern residences designed and built to exceed Bay Area standards.

  • Integrated design, engineering & permits
  • Structural & seismic precision
  • Luxury finishes, milestone scheduling
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Our new home construction services manage every detail, from architectural layouts to energy compliance. Each project reflects Terra Buildr’s hallmark craftsmanship, with structural and aesthetic integrity built in from day one.

ADU Design & Build

Detached or attached ADUs built on‑site with premium interiors and lasting value.

  • City submittals & compliance handled
  • Full kitchen/bath integration
  • Per‑sq‑ft pricing transparency
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As a leading ADU builder in the Bay Area, we align design, permits, and on‑site construction to create spaces that feel seamless to your property. Fully compliant, efficient, and beautifully finished.

Explore ADU Options →

Custom Home Additions

Expand your living space with architectural continuity and high‑end finishes.

  • Structural tie‑ins & seismic detailing
  • Weatherproofing & cladding expertise
  • Seamless match to existing home
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Our home additions are designed to blend flawlessly into the existing structure. From engineering approvals to final paint, we ensure the new square footage enhances both form and function.

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Luxury Backyard Studios

Purpose‑built studios for office, gym, or guest space — fully finished and move‑in ready.

  • 2x6 framing, R‑23 insulation
  • Premium flooring & recessed lighting
  • Customizable layouts & finishes
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Our backyard studios combine form and function. On‑site construction ensures a perfect fit, with black‑finish Low‑E windows, energy‑efficient systems, and interiors ready for work, wellness, or hosting.

Browse Studio Models →

Explore Our Pods & Studios

Fully finished interiors, premium windows and doors, and customizable layouts. Prefer a larger build? We also design & build ADUs and home additions.

Core Pod backyard studio in the Bay Area – cedar and lap siding with modern window layout

Core Pod

120 sq ft minimum — your focused escape for work and wellness.

Customize This Pod
Twin Peaks Pod L‑shaped studio with dual gable roofs for ADU‑friendly layouts

Twin Peaks Pod

Minimum 300 sq ft — balanced space for work, guests, and recharge.

Customize This Pod

ADUs & Custom Home Additions

Need more space than a studio? We design and build Accessory Dwelling Units (ADUs) and high‑end home additions with the same Terra Buildr craftsmanship and on‑site construction.

Explore ADU Options Custom Home Additions

Transparent Pricing

Premium materials and fully finished interiors. Pricing reflects on‑site construction in the Bay Area.

Core Pod

From $550/sq ft

120 sq ft minimum

Apex Pod

From $550/sq ft

120 sq ft minimum

Twin Peaks Pod

From $550/sq ft

300 sq ft minimum

Nova Studio

From $650/sq ft

600 sq ft minimum

Finance Your Build with RenoFi

With our partner RenoFi, you can bring your project to life now and pay over time. RenoFi home improvement loans consider your home’s after‑renovation value to unlock flexible terms and competitive rates.

Quick eligibility check, no hidden fees, and financing that fits your project timeline.

Learn About RenoFi

“Our Terra Buildr studio feels like a natural extension of our home — it’s where work meets comfort.”

— Sarah L., Hillsborough

Why Choose Terra Buildr

We combine architectural detail with on‑site craftsmanship to deliver spaces that elevate your day.

Luxury Craftsmanship

2x6 framing, R‑23 insulation, Level 5 drywall, premium flooring, and black‑finish Low‑E windows.

Fully Finished

Electrical with recessed lighting, siding and paint, finished interiors — move‑in ready.

Transparent Pricing

From $550/sq ft with model‑specific minimum sizes.

Local Expertise

Focused on Bay Area cities like Atherton, Hillsborough, Piedmont, and more.


Frequently Asked Questions

Do you handle permits for ADUs, additions and new builds?

Yes. We help you navigate requirements and coordinate with your city.

How long does a build take?

Studios typically take 4–8 weeks after design sign‑off. ADU and addition timelines vary by scope and permitting.

What’s included?

Insulation, drywall, electrical with recessed lights, windows/doors, exterior siding, and interior finishes. HVAC optional. ADUs/additions can include kitchen and bath packages.

Can I customize layout and openings?

Yes — choose size, window/door placement, and finishes to match your lifestyle.

Do you offer financing?

Yes — use the RenoFi link above to check eligibility and options.

Where do you build?

Across the Bay Area — Atherton, Hillsborough, Los Altos Hills, Orinda, Lafayette, Tiburon, Menlo Park, Danville, Mill Valley, Berkeley, Walnut Creek, and more.

Get a Quote

Estimated monthly payment (from) — based on model minimum sizes @ $550/sq ft*

Core: —/mo Apex: —/mo Twin Peaks: —/mo Nova: —/mo
*Illustrative only. Actual rates and terms are provided by RenoFi and its partners after application.