📞 Call or Text: (831) 319-6492  |  📧 richrod@peninsula.construction  |  @peninsulaconstructionca  |  CSLB #723364 | Licensed Since 1996
Design-Build Specialists — Central Coast California

We Design, Build & Deliver Your Dream ADU

30+ years of construction excellence. Full-process from permits to completion. Serving Watsonville, Santa Cruz, Monterey & beyond.

30+Years in Business
500+Projects Completed
$135KADUs Starting At
12Cities Served
Peninsula Construction

The Peninsula Construction Difference

Already have blueprints or want to go with your city's pre-approved plans? Now it's time to pick the right contractor. We can jump in and get your ADU investment done. Ask about our finance options.

Full-Process Specialists

Full-Process Specialists

From initial design and permits all the way through final inspection — we handle every step so you don't have to coordinate multiple contractors.

We'll Take Over

Stuck Mid-Project? We'll Take Over.

Already have blueprints, permits, or a build in progress? Whether you've hit a wall or your GC walked off the job, we can step in at any stage and get you across the finish line.

30 Years of Experience

30 Years of Experience

Licensed since 1996, Richard Rodriguez has built hundreds of projects across Santa Cruz County. You get decades of expertise on every job.

Direct Owner Access

Direct Owner Access

You work directly with Richard — not a sales team or project manager. Transparent pricing, honest timelines, no surprises.

Our Services

From ADUs to full home additions — we're your one-stop design-build contractor across the Central Coast.

ADU Construction
Most Popular

ADU Construction

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Garage Conversion
Cost Effective

Garage Conversions

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Kitchen Remodel
Transform Your Home

Kitchen & Bath Remodels

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Room Addition
Expand Your Space

Room Additions

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New Home Build
Build From Scratch

New Home Builds

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Development
Investors Welcome

Ground-Up Development

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Explore All Services

Design. Build. Deliver.

Our proven process takes your ADU from concept to move-in ready — with zero stress on your end.

Free Consultation

We visit your property, assess your goals, and give you a transparent estimate — no obligation, no pressure.

Design & Permits

We handle architectural plans, city permits, and all approvals. You just review and sign off.

Construction

Our crew builds your ADU on schedule with regular updates. Richard is on-site, not in an office.

Final Delivery

We complete final inspections, clean up the site, and hand you the keys — ready to rent or use immediately.

Learn About Our Process
ADU Project

Maximize Your Property's Value

Richard Rodriguez isn't just a contractor — he's a real estate investor of 12 years. He understands what it takes to turn an ADU into a cash-flowing asset.

Every project comes with a complimentary property evaluation and after-build value assessment so you know exactly what return to expect.

  • ADU rental income: $2,200–$3,500/mo in Santa Cruz County
  • Typical ROI: full payback in 5–8 years
  • Property value increase: 20–30% after ADU addition
  • Financing options up to $100K available
Get Your Free Property Evaluation

In Their Own Words

★★★★★

"Richard and his team built our ADU from start to finish. Permits, design, construction — they handled everything. We were renting it out within 6 months and it completely pays for itself."

Maria G.
Watsonville, CA
★★★★★

"We converted our garage into a beautiful 1-bedroom unit. Richard gave us a straight price upfront and delivered on time. No change orders, no surprises. Rare to find that kind of integrity."

Tom & Linda M.
Santa Cruz, CA
★★★★★

"30+ years of experience shows. Our detached ADU is beautiful, well-built, and the city inspection passed on the first try. Peninsula Construction is the real deal — I've already referred two neighbors."

James R.
Monterey, CA

Frequently Asked Questions

Everything you need to know about building an ADU in Santa Cruz County.

How much does an ADU cost in Santa Cruz County? +
Our ADUs range from $135,000 to $300,000 all-in, depending on size, type, and complexity. A garage conversion is typically on the lower end, while a detached two-story ADU is higher. We provide transparent pricing upfront with no hidden fees.
How long does it take to build an ADU? +
Most ADU projects take 6–9 months from the initial consultation to final inspection. The permit process typically takes 2–4 months, and construction takes 3–5 months depending on complexity. We'll give you a detailed timeline at your free consultation.
Do you handle permits and design? +
Yes — we handle the entire process including architectural drawings, city permits, utility connections, and all inspections. You don't need to coordinate with anyone else. We're truly full-process from day one to keys in hand.
What types of ADUs do you build? +
We build detached ADUs, attached ADUs, garage conversions, JADUs (Junior ADUs), and two-story ADUs. We also offer three standard design options for 2-bedroom units under 750 sq ft — great for keeping costs predictable.
Is financing available? +
Yes — we offer financing options up to $100,000 with every estimate. We can walk you through ADU-specific financing products like HELOCs, construction loans, and renovation loans to find what works best for your situation.

Serving 11 Cities Across 4 Counties

Peninsula Construction serves homeowners and real estate investors throughout the Central Coast of California.

Don't see your city? Contact us — we serve the entire Central Coast.

Ready to Build Your ADU?

Get a free consultation and transparent estimate from Richard Rodriguez himself — no sales team, no runaround.

Schedule a Free Consultation Call (831) 319-6492