Home Addition Contractor in Irvine, CA | Lodgewick ADU Builders

Home Addition Contractor in Irvine - Design, Permits and Build Under One Contract

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

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Fast, Reliable Home Addition Contractor Across Irvine

Getting a home addition built in Irvine means navigating a process almost no other California city makes you face: the city’s permit review stacked on top of an HOA architectural committee review that has strong opinions about stucco texture, roof tile profile, and window style. That dual approval is the single biggest reason Irvine additions stall, and it is the thing we plan around from day one. Our crews work across Woodbridge, University Park, Northwood, Turtle Rock, and the Great Park Neighborhoods, and we file both the city permit and the HOA architectural packet ourselves so you are not left coordinating between two bureaucracies. If you are ready to price out a room addition or second-story addition, call (254) 602-5618 for a free estimate. Russ Delmar leads our team, and we put every price in writing before any work starts.

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Why Lodgewick ADU Builders Is Irvine’s Preferred Home Addition Contractor Company

We have spent enough time inside Irvine’s master-planned villages to know that Woodbridge and University Park have very different architectural expectations than the newer Great Park Neighborhoods, and a submittal that passes in one village can get bounced in another for a paint color that is one shade off the original elevation. That local knowledge is not something a contractor from outside Orange County picks up on the first few jobs. It comes from doing the work, getting the committee comments back, and learning which details Irvine’s architectural reviewers flag first.

Our Irvine customers tend to mention three things when they talk about why they called us: the written price before work starts, the fact that a live person answers the phone at (254) 602-5618, and the 365-Day Done Right Promise, which is a written guarantee included on every project. If the work is not right, we come back and make it right, free, within the guarantee period. That promise is in writing, not implied. Russ Delmar and our team have been part of the Kingswell family of home-service companies since 2010, and the way we operate comes down to a few simple commitments: say the price before the work, show up in the window we gave you, leave the job site cleaner than we found it, and put the guarantee in writing.

Room Addition Contractor in Irvine

A room addition contractor in Irvine is who you call when your house in Woodbridge or Northwood is short one bedroom, one office, or one space for aging parents, and moving is not something you want to do. A room addition adds square footage to your existing footprint, typically as a ground-floor extension that ties into the original roofline, stucco, and foundation. In Irvine, a standard single-room addition of 200 to 300 square feet generally runs $85,000 to $150,000 depending on whether you are adding a bathroom, what foundation work the lot requires, and what the architectural committee asks for.

Design and Approval for Ground-Floor Additions

The design has to look like it was always part of the house, not bolted on. Irvine architectural committees will send back a submittal if the stucco texture does not match the original elevation, if the roof tile profile is not the same concrete tile used on the rest of the village, or if the window style clashes with the tract’s standard. We handle the full packet: color samples, material cut sheets, roof tile profiles, window style documentation, and site plans. We submit both packages, city and HOA, at the same time so approval does not lag.

Costs and Timing for Irvine Room Additions

Plan on three to six weeks beyond a normal city plan check for the architectural committee to review and sign off. We schedule the start date after that approval, not before. You will get a written line-item price before we begin, and that number does not change when the HOA comes back with comments, because we already accounted for the materials and details they typically require.

Second Story Addition Contractor in Irvine

A second story addition contractor in Irvine handles the structural work of adding an upper level to an existing single-story home, and in the older villages, that almost always triggers a closer architectural review because the roofline, massing, and elevation are visible from the street. A second-story addition in Irvine typically runs $200,000 to $400,000 for a two-bedroom, one-bath upper level, with the range driven by whether the existing foundation can carry the load, whether you need to reinforce the first-floor walls, and what exterior materials the committee requires. This is a major structural project, not a cosmetic one, and it needs a contractor who has done the engineering and the submittal dance before.

Approval Requirements for Upper-Level Work

Irvine’s villages, including the 1970s-era tracts in Woodbridge and University Park, frequently require the new upper level to match the original concrete-tile roof, stucco color, and window style exactly. We recently finished a second-story addition on a 1970s Woodbridge home where the committee required exactly that: we submitted color samples, roof tile profiles, and window style cut sheets alongside the city permit packet, then coordinated the HOA sign-off and scheduled framing to start the week after approval so the shell was closed before any inspection lags. That sequencing is what keeps an Irvine addition from sitting half-finished.

Scheduling Around Dual Approval

We do not start demolition until both approvals are in hand. We file the city permit and the HOA architectural packet simultaneously, track both review queues, and set your start date based on the later of the two approvals. If the committee asks for a material change, we adjust the submittal before any work begins, so you are not paying for framing crews to wait on a paint color decision.

Trusted Brands We Service in Irvine

We work with established ADU and addition material systems including Cover, Dvele, and Mighty Buildings, and we match those systems to the lot size, budget, and architectural requirements of the specific Irvine village where you live. For a compact yard in University Park, a Dvele panel system often suits the setback and footprint constraints. For a second-story addition with a tight structural budget, we may spec a Cover or Mighty Buildings approach. We coordinate material delivery to Irvine job sites and make sure every exterior finish, from stucco texture to roof tile, meets the HOA’s matching requirements before the first panel goes up.

Common Home Addition Contractor Problems We See in Irvine Homes

  • Filing the city permit but skipping the HOA architectural packet. This stalls the project mid-construction when the committee rejects a non-matching exterior palette or roof profile. The fix is to file both at the same time, which is what we do on every Irvine job.
  • Underestimating dual-approval time. Irvine’s architectural review often adds several weeks beyond city plan check. Starting demolition before sign-off leaves the site exposed or half-finished, and that is how homeowners end up with a shell sitting through a rainy season.
  • Assuming statewide ADU rules override Irvine CC&Rs. AB 670 prevents HOAs from banning additions outright, but it still lets them impose material, color, and height conditions that must be met before work proceeds. We design and submit to those conditions from the first drawing, not as a surprise fix later.
  • Using non-matching stucco or roof tile on an addition in a 1970s-80s village. In Woodbridge and University Park, the architectural guidelines require the garage-door bay on a garage conversion to be infilled with stucco texture, paint color, and trim that exactly match the original elevation. We match paint to the primary elevation and pass committee review on the first submittal more often than contractors who work mainly in non-HOA cities.

Pricing for Home Addition Contractor in Irvine, CA

A ground-floor room addition in Irvine runs $85,000 to $150,000 for 200 to 300 square feet. A second-story addition runs $200,000 to $400,000 for a two-bedroom, one-bath upper level with engineering and reinforcement. Bump-out additions that add 50 to 80 square feet, like a widened kitchen or a larger primary bath, typically run $45,000 to $80,000, and sunroom additions run $60,000 to $110,000 depending on glazing and foundation type. The biggest cost driver in Irvine is not the square footage, it is the time and detail involved in dual approval and the matching-material requirements. We give every homeowner a written line-item price before work starts, and that price includes the submittal work, the materials specified, and the labor. Call (254) 602-5618 to schedule your free estimate; you will get a real number in writing.

We Also Serve Cities Near Irvine

Our crews work across central Orange County, serving Tustin, Santa Ana, Orange, and Lake Forest in addition to our Home Addition Contractor in Irvine service area. If you are in one of those nearby cities, the approval process is often simpler than Irvine’s, but we still follow the same written-price and written-guarantee process on every job.

Serving Irvine, CA - Our Local Coverage Area

We’re based in the Irvine area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.

FAQs About Home Addition Contractor in Irvine

Why Irvine Chooses Lodgewick ADU Builders

We set the standard for home addition contractor in Irvine.

No Change-Order Surprises

The written quote you sign is the price you pay. Anything we find mid-job gets priced and approved by you in writing before we touch it.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Irvine

Getting your home addition contractor handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your home addition contractor needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Irvine - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local home addition contractor pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Irvine Customers Say

Trusted by homeowners across Irvine and surrounding areas.

★★★★★

"Garage conversion into an office and guest room. Fair written price, finished close to on schedule, and they fixed a small drywall crack under warranty months later without any hassle."

Diana Cho · Verified customer
★★★★★

"The ADU came out beautiful and the permitting, which terrified me, was handled start to finish. They kept me updated every week so I was never wondering what was happening."

Shauna Mills · Verified customer
★★★★★

"A whole backyard ADU from scratch. Terrified me going in, but they kept me updated weekly and there were no nasty surprises. Quality work and a fair price."

Noreen Fletcher · Verified customer

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