Home Renovation and ADU Contractor in Monterey, CA

Home Renovation & ADU Contractor

Aldridge Construction is your trusted Home Renovation and ADU Contractor in Monterey. We help homeowners update and expand their spaces with remodels, additions, and ADUs/JADUs that add lasting value. As a licensed design-build team, we handle everything—from planning and permits to construction and final walkthroughs—delivering on time and on budget.
Whether it’s a kitchen upgrade or a detached, rental-ready ADU, expect a smooth process, clear communication, and durable craftsmanship. We serve Monterey, Pacific Grove, Carmel-by-the-Sea, Carmel Valley, Seaside, Marina, Pebble Beach, Salinas, and nearby communities.

Our Home Renovation and ADU Construction Services

From the initial sketch to the final punch list, we deliver remodels, additions, and ADUs that fit your budget and timeline. Here’s a clear look at what we build, and how we keep permits and code simple.

Home Renovations & Additions

 Breathe new life into your home with upgrades that improve comfort, style, and value.

  • Kitchen & Bath Remodels: Smarter layouts, durable finishes, improved lighting, and enhanced ventilation.
  • Whole-home updates: Flooring, paint, trim/casework, insulation, and energy-efficient fixtures.
  • Window/door upgrades: Improved comfort and egress, with proper flashing and Title 24 compliance.
  • Exterior refresh: Siding, roofing, stucco, decks, and outdoor living improvements.
  • Structural reconfiguration: Open up rooms, add beams, widen openings, or relocate stairs (engineered and permitted).
  • Room & second-story additions: Add bedrooms, a suite, or a flexible space that works today and tomorrow.

Aldridge Construction prepares all required Title 24 energy documents for permit submittal and keeps your project aligned with current California code requirements.

Accessory Dwelling Units (ADUs)

 Create a rental-ready suite, a guest house, or space for a family with a well-designed, compliant unit.

  • Detached, attached, and over-garage ADUs tailored to your lot and architecture.
  • Garage conversions that add livable space with proper structural, fire-separation, and energy upgrades.
  • JADUs (up to 500 sq ft) within your existing home, with an efficiency kitchen and separate entrance as required.
  • Up-front feasibility on setbacks, height limits, parking, utility capacity, and access.
  • Reports & reviews coordinated when triggered by site or code (geotechnical, structural, coastal/historic).
  • Energy-smart by design: electrical capacity planning, heat-pump options, solar/ESS-ready rough-ins, and complete Title 24 documentation.

We track California’s evolving energy code and provide full, permit-ready submittals so your ADU or JADU is efficient, comfortable, and future-ready.

ADU Requirements in Monterey (What’s Allowed)

Aldridge Construction ADU/JADU experts translate Monterey’s rules, size, height, setbacks, parking, utilities, and rental limits into practical designs that pass review. We confirm feasibility up front so your project is compliant, efficient, and build-ready.

Size & Height

City of Monterey allows up to 850 sq ft for a studio/1-bed ADU and 1,000 sq ft for 2+ bedrooms. Attached ADUs can be up to 25 feet (or the main dwelling’s limit, if lower). Detached ADUs are typically 16 feet; state law provides 18–20 feet in specific transit scenarios. We confirm the exact standard for your parcel before submitting.

Setbacks & Fire Safety

New detached ADUs follow 4-foot minimum side and rear setbacks. Where walls are close to a property line or another structure, fire-rated assemblies and limits on openings apply; we detail these in your plans and coordinate inspections. If your main home has sprinklers, the ADU will need them as well.

Parking & Rental Rules

State law and local rules include several parking exemptions (e.g., near transit, in historic districts, when converting garages). In the City of Monterey, both ADUs and JADUs cannot be rented for fewer than 30 days, and the owner records a covenant acknowledging that rule. We prepare the paperwork so you stay compliant.

Utilities & Separate Entry

ADUs need a separate entrance. Utilities are typically independent; Monterey’s expedited checklist explains acceptable exceptions (e.g., a 100-amp sub-panel off a 200-amp main, a “meter-ready” water branch, and shared sewer lateral with proper sizing and inspection). We’ll design the system that fits your panel and plumbing capacity.

Predesigned County ADU Plans

If you’re in unincorporated Monterey County, the County offers pre-designed ADU plans, 515 sq ft (1-bed), 749 sq ft (2-bed), and 1,200 sq ft (3-bed), to speed plan review. Aldridge Construction can adapt finishes and site the unit correctly; impact fees may apply to some larger models.

Permits & Compliance We Handle

We manage City of Monterey and Monterey County permits, Title 24 energy forms, CalGreen, MPWMD water approvals, and coastal or historic reviews when required. Our permit specialists streamline submittals and keep inspections on track

ADU/JADU Express Submittal

Monterey provides an expedited checklist and accepts digital plan submittals. We bundle your plans (site plan, floor plans, sections/elevations, structural where needed), Title 24 energy calculations, and CalGreen checklist, then communicate with reviewers through approval.

Renovation & Addition Permits

For remodels and additions, we prepare code-compliant drawings, coordinate structural calculations, compile Title 24 energy forms, and include truss and soils documentation when required. This reduces corrections and keeps your permit timeline predictable.

Water & Environmental

Because Monterey Peninsula water is limited, projects that add fixtures typically need MPWMD verification and a water permit. We calculate fixture units, plan required retrofits, and confirm water credits before submittal. For county parcels on well or septic, we coordinate Environmental Health review to confirm capacity.

Coastal & Historic Overlays

In the Coastal Zone (county areas), ADUs can require a Coastal Administrative Permit; in historic districts, siting and façade rules apply. We identify these early and integrate them into your design and permit strategy so there are no surprises.

Our Design–Build Process

As a licensed design-build contractor, our in-house designers, engineers, and builders turn your vision into a clear plan with firm pricing and a schedule. You get one accountable team, from concept to keys-in-hand.

Consultation & Site Feasibility

We start with your goals and property: lot fit, setbacks, utilities, and a rough budget. For ADUs, we also check size/height options and parking rules for your address.

Concept Design & Budget

You’ll see plan options and 3D views that show circulation, daylight, storage, and privacy. We value-engineer structure and finishes to hit your target budget, then build a preliminary schedule.

Construction

Your project manager runs pre-construction, sequencing, inspections, and quality controls. We protect your home and neighbors, keep the site tidy, and maintain daily communication with trades.

Permitting & Approvals

We prepare the full permit set and submit it on your behalf. Expect prompt responses to plan-check comments, coordination with MPWMD (water), and specialty reviews if your site is coastal or historic.

Final Walkthrough & Warranty

We compile punch-list items together, complete them quickly, and hand over your warranty, manuals, and care tips. We’re available after move-in for any questions.

Why Homeowners Choose Aldridge
Construction

Local, licensed, and insured, we pair expert craftsmanship with transparent communication and documented warranties. Monterey
homeowners trust our professional team for code-correct work delivered on time and on budget.

Local Code & Permit Expertise

We live and build here. That means we know the City of Monterey ADU/JADU standards, the County’s submittal requirements, and the state ADU updates that affect size, height, parking, and approvals. We bring those details to your project from day one.

Water & Coastal Nuances

From water credits and fixture-unit math to coastal permitting, we coordinate with MPWMD and the County so your design meets real-world constraints, and still delivers the space you need.

Transparent Schedule, Budget & Weekly Updates

You’ll get a clear scope, phased schedule, and an itemized budget. During construction, we share weekly progress notes, photos, and upcoming milestones so you always know what’s next.

Licensed, Insured & Warranty Support

We stand behind our work with documented warranties and a final turnover package (manuals, finishes, paint codes, and care guidance) so your new space stays beautiful for years.

Ready to reimagine your home with a renovation, addition, or ADU? Let Aldridge Construction guide you through every step of the process. Visit our Contact Us page to fill out our short form, or call us directly at 831-682-9788 to discuss your project with Brian Aldridge. Together, we can create a space that perfectly suits your lifestyle and preferences.

We bring your vision to life!

Frequently Asked Questions About Home Renovation & ADU Contractor

Yes, most ADUs, JADUs, renovations, and additions require permits from the City of Monterey or Monterey County. We handle the full submittal package, including plans, Title 24, and CalGreen.

Typical design, permits, and construction run 4–9 months for ADUs and 2–6 months for renovations, depending on scope. We give you a realistic schedule up front and manage inspections to stay on track.

Short-term rental rules for ADUs/JADUs are restricted in the City of Monterey. We’ll confirm what’s allowed at your address and record any required covenants.

We design and build detached, attached, over-garage units, garage conversions, and JADUs. Our licensed team verifies setbacks, height, parking, utilities, and fire requirements before we draw.

Often, yes, especially for kitchens, baths, and phased remodels. We plan dust control, safe access, and temporary services so your home stays as livable as possible.

Costs vary by size, finishes, structural work, and site conditions. We provide a detailed scope with fixed pricing milestones so you can choose options confidently.

Yes, our permit specialists prepare Title 24 energy forms and CalGreen checklists and coordinate MPWMD water permits where required. For coastal or historic areas, we manage the extra reviews and approvals.

Our Service Area