T&N Remodeling Inc

ADU (Accessory Dwelling Unit) in Fullerton

Professional adu (accessory dwelling unit) services in Fullerton, serving homeowners throughout Orange County. Fullerton sits on relatively flat to gently rolling terrain in the northern part of Orange County, and most of the housing stock dates from the 1940s through the 1970s, which means you are often working with original stucco exteriors, older wood-framing dimensions, and foundations that may have settled or shifted over decades of dry summers and wet winters. The inland location means wider temperature swings than coastal cities, so materials expand and contract more noticeably across seasons, and roofing and exterior finishes need to hold up to real heat load in summer. Lot sizes in older Fullerton neighborhoods tend to be modest, and mature trees, narrow side yards, and established landscaping can make equipment access and material staging a genuine puzzle on remodel jobs. If you are planning an addition or an accessory dwelling unit, the mix of older infrastructure and established neighborhood character means soil conditions and utility line locations are worth verifying early before any ground is broken. Most homes here sit inside city limits, so the permit comes from your own city's building department, and the fee schedule, plan check queue, and submittal format are set locally rather than countywide. Setbacks, height limits, parking, and design review still change at the city line, even though the statute behind ADUs does not. Two questions to put to your building department before design: what scope goes over the counter versus into full plan check, and whether your parcel sits in a coastal, hillside, or flood overlay that adds review on top of the building permit. Common home styles in the area include 1920s to 1930s Spanish Colonial Revival bungalows near downtown, post-war minimal traditional tract homes from the late 1940s and 1950s, 1960s ranch-style single-stories on wide rectangular lots.

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Google reviews 5.0 stars, 122 verified reviewsYelp reviews for T&N RemodelingNextdoor reviews for T&N RemodelingThumbtack reviews for T&N RemodelingBirdeye reviews for T&N RemodelingHouzz reviews for T&N RemodelingCSLB Licensed Contractor #1063782
Google reviews 5.0 stars, 122 verified reviewsYelp reviews for T&N RemodelingNextdoor reviews for T&N RemodelingThumbtack reviews for T&N RemodelingBirdeye reviews for T&N RemodelingHouzz reviews for T&N RemodelingCSLB Licensed Contractor #1063782

Why Choose Us for ADU in Fullerton

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ADU in Fullerton

Narrow historic lots in Fullerton's older neighborhoods limit where a detached ADU can sit, especially in the pre-war downtown core where setback margins are tighter than in a newer suburb. Many of these older homes have detached garages opening onto rear alleys, which makes garage conversion a practical option given the limited yard space otherwise. Knob-and-tube wiring still present in some pre-war main houses needs review before extending power to a new unit. Fullerton's newer eastern neighborhoods offer more room to build detached from the ground up rather than convert an existing structure.

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What to settle first in Fullerton

We work through these with you in Fullerton before the design is final: expansive clay soil common across much of Fullerton that shifts seasonally and affects foundations and flatwork; aging galvanized or cast-iron supply lines in pre-1960 homes that may need replacement before interior work begins; shallow lot setbacks and narrow side yards typical of older downtown-adjacent parcels that constrain additions; and mature street trees with root systems that can conflict with trenching for new utilities or drainage.

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Rental Income from Your Property

A completed ADU in Los Angeles can generate steady rental income that offsets your mortgage, funds retirement, or pays the unit back over time. What it earns depends on size, finish level and neighborhood, so we walk through realistic expectations for your property during the consultation.

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California ADU Law Expertise

State and local ADU regulations change frequently. We track current setback reductions, parking exemptions, and owner-occupancy rules so your project qualifies for the most favorable code path available.

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Permits Handled End to End

Cities must act on ADU permits within 60 days under state law. We prepare complete plan sets that anticipate common plan-check comments, which reduces revision cycles and keeps your timeline on track.

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Garage Conversions and Detached Units

Whether you want to convert an existing garage, build a detached cottage, or add an attached junior ADU, we design and build all three types. Lot size, access, and utility locations determine the best option for your property.

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Complete Living Spaces

Every ADU includes a full kitchen, bathroom, heating and cooling, and a separate entrance. Laundry hookups, closet storage, and outdoor patio space can be added depending on the floor plan.

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Property Value That Compounds

An ADU adds both living area and income potential to your property appraisal. Buyers looking at your home see a ready-made rental unit, which makes your listing stand out in a competitive market.

Our ADU Process in Fullerton

Feasibility and Design Consultation

We visit your property to measure the lot, identify utility connections, and evaluate whether a detached, attached, or garage-conversion ADU is the strongest option. You receive a preliminary site plan and budget range at no obligation.

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Architectural Plans and Permit Submittal

Our architects produce a complete ADU plan set including floor plan, elevations, structural details, and Title 24 energy calculations. We submit the package to the city and manage all plan-check correspondence.

Foundation and Framing

For new detached units, this starts with excavation and concrete work. Garage conversions begin with slab reinforcement and wall modifications. Framing, roofing, and exterior finishes close in the structure.

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Mechanical, Electrical, and Plumbing

Dedicated electrical panel, water supply, sewer connection, and HVAC system are installed for the ADU. Each system is inspected separately before drywall goes up to confirm code compliance.

Finishes and Certificate of Occupancy

Kitchen cabinets, bathroom tile, flooring, paint, and fixtures complete the interior. After the final city inspection, you receive a certificate of occupancy and the unit is ready for tenants or family.

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Our Standards

Licensed contractors. Transparent pricing. Quality you can see.

Our team brings over 20 years of combined residential construction experience to every Los Angeles project. We show up on time, communicate clearly, and deliver results that last.

CSLB Licensed and Insured

California contractor license #1063782. Full liability coverage on every project.

4.9 Rating, Over 200 Reviews

High ratings and verified reviews across Google, Yelp, and more.

20+ Years Combined Experience

Our team's combined residential construction experience in Los Angeles. We know local codes, soil conditions, and permit processes.

Full-Service: Design to Completion

We handle design consultation, architectural plans, permits, construction, and final inspections. One team, start to finish.

You Know Who's Coming Tomorrow

A written scope before anyone touches a wall, then updates through the build telling you who is arriving and what they are doing. Homeowners tell us this is the part they remember.

On-Time and On-Budget

Every project gets a written timeline and fixed-price contract. We hit our deadlines and don't surprise you with extra costs at the end.

Customer Reviews

Client Reviews for ADU in Fullerton

5

Google

4.8

Yelp

200+

Total Reviews

Real feedback from homeowners across Los Angeles County.

We have done recently a home remodeling project in Los Angeles, after reviewing 5 different contractors- Tal & Noy were the best team! Design ended sooo beautiful! My wife is speechless which is very hard to do lol. I’m very happy with the progress and service. Now he’s going to work on my son house as well- highly recommended.

Amir Motamedi Nia

facebook review

I had to build new construction ADU for my mother in law, after reviewing few different contractors I knew Tal is the right guy to go with. Very professional, had great advices, more knowledgeable than any other contractors I ever met. Project went smoothly, very communicative, help get the best value by building the right sqf and great finishes. If you looking for good contractor you can trust on- Tal is the right guy.

Marita Meruzh Abramyan

facebook review

Thanks to Tal I finally got to remodel my BEAUTIFUL home! I met few contractors- Tal was the only one who gave me the attention I needed- walked me through the whole process, I want to do so much but my budget wasn’t enough and he guide me perfectly where to invest my money- that’s exactly what I needed:) Highly recommended!!!

Rajaa Mushmel

facebook review

Video Testimonials

Real Results

ADU Projects in Orange County

Browse completed projects from homeowners across Los Angeles. Each project starts with a free on-site consultation.

Complete Home Remodel project in Sherman Oaks by T&N Remodeling - photo 5
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Home Remodeling

Complete Home Remodel

Sherman Oaks, CA

New Construction Home project in Sherman Oaks by T&N Remodeling - photo 2
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New Construction

New Construction Home

Sherman Oaks, CA

Home Addition and Complete Remodel project in North Hollywood by T&N Remodeling - photo 65
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Home Addition

Home Addition and Complete Remodel

North Hollywood, CA

New Construction ADU in Altadena by T&N Remodeling
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ADU

New Construction ADU

Altadena, CA

Bathroom Addition project in Sherwood Forest by T&N Remodeling - photo 3
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ADU

Bathroom Addition

Sherwood Forest, CA

Complete Home Remodel project in Brentwood by T&N Remodeling - photo 18
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Home Remodeling

Complete Home Remodel

Brentwood, CA

Photo Gallery

Licensed, Bonded, and Insured

Verify our license at cslb.ca.gov before you hire anyone. We would tell you to do that for any contractor.

CSLB License #1063782

General Building Contractor B

Fully Insured

Comprehensive general liability coverage

Bonded Contractor

Financial protection for every project

ADU FAQs — Fullerton

Answers to common questions from homeowners in Fullerton starting a adu project.

Start Your ADU Project in Fullerton

Contact our licensed contractors for a free consultation and detailed quote for your Fullerton project.

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