A Seedling company - serving Pasadena, CA
A new rear addition with a vaulted beamed ceiling and tall windows
Home Addition Contractor · Maywood, CA

Home Addition Contractor in Maywood - 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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A second-story addition that matches the existing roofline
A second-story addition with a balcony, matched to the original house
A new modern ADU with wood cladding
A new bathroom inside a converted garage
The bedroom inside a new ADU
The bathroom inside a new ADU
A small deck outside a new ADU
A former garage converted into a guest house
Every project starts with

A free site visit, a check of what your lot allows and a written, line-item price.

Get your free estimate

Fast, Reliable Home Addition Contractor Across Maywood

Adding a room, a second story, or a new bathroom in Maywood means working with lots that run 2,500 to 3,500 square feet and homes built between the 1920s and 1950s. That combination rarely leaves room for a standard detached addition. Seedling ADU Pasadena designs additions that fit Maywood’s narrow lots and older framing, and every project starts with a written price before any work begins. If you’re planning a garage addition, bathroom addition, or full second-story build, call (626) 657-5461 for a free estimate. We schedule crews locally and answer the phone with a live person around the clock.

Call (626) 657-5461

Why Seedling ADU Pasadena Is Maywood’s Preferred Home Addition Contractor Company

A single-story rear room addition with tall windows and a new patio

Maywood homeowners call us because we understand what their houses actually are: small single-story bungalows on tiny lots, many with wood-frame construction and limited existing floor area. That housing stock rewards attached designs, not sprawling detached builds. Our Home Addition Contractor team has worked on homes throughout Maywood, including the blocks near Pine Avenue and the residential streets running east of Atlantic Boulevard. Those jobs taught us to check lot width before sketching anything. A standard 20-foot-wide detached addition often violates side setback requirements on Maywood’s narrow parcels, so we plan attached bump-outs, second-story additions over existing footprints, and garage conversions that preserve every usable inch.

Ben Ortega leads our crews and personally reviews each Maywood project before we submit plans. That matters when a 1930s bungalow hides knob-and-tube wiring or undersized ceiling joists behind plaster walls. We write allowances for those discoveries into the contract before demolition starts, then price any additional surprises in writing and get your approval before we touch a stud. No one in Maywood should watch a remodel quote balloon because a contractor skipped the inspection step. We don’t skip it.

Every crew member is background-checked, uniformed, and held to the Cedarwell Care Promise: shoe covers and drop cloths inside your home, pet-safe products where there is a choice, and a photo of the clean-up before we leave your Maywood property each day. Families with kids and pets know exactly who is walking through the door. And if something is not done right, our 365-Day Done Right Promise covers it, in writing.

Garage Addition Contractors in Maywood

Garage Addition Contractors in Maywood do more than pour concrete and frame walls. Most of our garage addition work here starts with a structural evaluation, because Maywood’s older garages were built as storage, not living space. We check the slab thickness, the existing footings, the roof framing, and whether the walls can carry the load of a new room above them. A typical garage addition in Maywood runs $80,000 to $180,000 depending on whether you’re converting the existing footprint, adding living space above it, or extending outward into the side yard.

Conversion With Parking Kept

Maywood enforces parking replacement rules on garage conversions. If you turn a garage into living space, the city may require you to provide a covered parking spot elsewhere on the lot. On a 3,000 square foot Maywood lot, that often means a compact carport tucked along the side or a tandem parking arrangement. We review the parking requirement before you commit to demolition, not after, so your plans don’t stall at the permit counter.

Adding A Second Story Over The Garage

When a side yard won’t fit an addition, going up over the existing garage often works. We verify the garage walls and footings can support a second floor, then design the stair placement inside the home’s existing footprint. This strategy keeps the lot’s outdoor space intact and avoids side setback problems entirely. A second-story addition over a garage in Maywood typically runs $150,000 to $280,000.

Bathroom Addition Contractor in Maywood

A new sunroom addition with three walls of windows

A Bathroom Addition Contractor in Maywood faces a specific challenge: the city’s small bungalows were built with one bathroom, and adding a second one means finding space without expanding the footprint. We usually locate new bathrooms adjacent to existing plumbing walls, above the kitchen or laundry, or inside a converted rear porch. A full bathroom addition in Maywood runs $35,000 to $75,000 depending on whether we’re adding a three-quarter bath inside existing square footage or building a new wet wall into an addition. A half-bath addition runs $18,000 to $35,000.

Working Inside The Existing Footprint

On a 2,800 square foot Maywood lot, we often convert a walk-in closet, a pantry, or the back corner of a primary bedroom into a new bathroom. That keeps the project a remodel rather than an addition, which simplifies permitting and keeps costs down. We match the existing floor level, route drainage to the nearest stack, and run a dedicated exhaust fan so moisture doesn’t sit in an older wood-framed wall.

Bathroom Inside A New Addition

When a Maywood family adds a primary suite or a rear family room, a bathroom is usually part of the plan. We run new supply lines and a separate drain line, insulate the exterior wall for Maywood’s cool wet winters, and waterproof the shower pan and surround before tile goes in. Every bathroom job gets a written line-item price before work starts, so you know the cost of fixtures, tile, plumbing, and labor separately.

Trusted Brands We Service in Maywood

Seedling ADU Pasadena works with the prefab and modular brands Maywood homeowners research before they call anyone. We offer hands-on support for Cover, Dvele, and Boxabl units, helping you select the right model for your lot width and setback limits. A Boxabl or Cover unit can be a strong fit for Maywood’s compact parcels when designed as an attached addition rather than a standalone structure. We also use James Hardie siding and trim on framed additions to handle Maywood’s seasonal rain and keep maintenance down. Because we stock ordering access and coordinate directly with these manufacturers, our Maywood customers avoid the multi-month delays that plague independent buyers.

Common Home Addition Contractor Problems We See in Maywood Homes

  • Side setback rejection. A standard 20-foot-wide detached addition fails Maywood’s side setback rules on most lots under 3,500 square feet. We verify lot width against the city’s current zoning before we ever sketch a plan, saving you design fees and permit resubmissions.
  • Knob-and-tube wiring and undersized framing. Homes built in the 1920s through 1940s in Maywood frequently hide outdated wiring and 2×4 joists that were never meant to carry modern loads. We open the walls with an inspection-first approach and write material allowances into the contract before demolition.
  • Parking replacement surprises. Converting a garage triggers Maywood’s parking replacement rules, and discovering that after demolition has already started is expensive. We confirm the parking obligation during the planning phase and design a compliant carport or tandem space.
  • Flat-roof ponding and water intrusion. Many Maywood homes have flat or low-slope roofs that pond water during winter rains. When we open a wall for an addition, we check the roof drainage and waterproofing at the connection point so the new work doesn’t inherit old leaks.

Pricing for Home Addition Contractor in Maywood, CA

Home additions in Maywood run from about $35,000 for a small bump-out or half bath to $280,000 and up for a full second-story addition with new bathrooms and a reconfigured roofline. Garage additions run $80,000 to $180,000. Bathroom additions run $18,000 to $75,000. The biggest cost driver in Maywood is structural retrofitting: older framing, outdated wiring, and foundation work on homes built before modern codes. We handle that with inspection first, allowances written into the contract, and no work proceeding until every surprise is priced and approved in writing. Call (626) 657-5461 and we’ll walk your lot, check your lot width, and give you a free written estimate.

We Also Serve Cities Near Maywood

Our crews serve Maywood plus the surrounding Southeast Los Angeles communities. If you live in Maywood, Alhambra, Rosemead, San Marino, or Pasadena, you get the same written pricing, the same background-checked uniformed crews, and the same 365-Day Done Right Promise. Call and a live person answers.

Serving Maywood, CA - Our Local Coverage Area

We’re based in the Maywood 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 Maywood

Get Your Maywood Home Addition Started With A Free Estimate

A framer checking new wall framing on a home addition

If you’re planning a home addition in Maywood, start with a lot check and a written price. We’ll walk your property, measure the lot width, check the setback room, and tell you exactly what kind of addition fits your house and your budget. No pressure, no vague ranges, no change orders you didn’t approve. Call (626) 657-5461 to schedule your free estimate, or ask for Ben Ortega directly and he’ll talk through your lot and your options.

Written by Ben Ortega, Owner at Seedling ADU Pasadena, serving Maywood, CA.

Why Maywood Chooses Seedling ADU Pasadena

We set the standard for home addition contractor in Maywood.

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 Maywood

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 Maywood - 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 Maywood Customers Say

Trusted by homeowners across Maywood and surrounding areas.

★★★★★

"Backyard cottage build. For a long project they kept the site remarkably tidy and were respectful of our neighbors and our dog. Swept the driveway every evening."

Leona Pfeiffer · Verified customer
★★★★★

"Garage conversion into a studio. They sealed off the work area so dust didn't get into the house, and cleaned up every day before leaving. Calm, careful team to have around."

Darnell Hobbs · Verified customer
★★★★★

"Added a backyard cottage. The team protected our existing landscaping and left the yard clean every evening. Gentle, respectful, and they walked us through each stage calmly."

Tamara Welsh · Verified customer

Small homes that live large

Vaulted ceilings, compact kitchens and private decks: the details that make an ADU feel like a home.

Read our ADU guides
An attached garage converted into living spaceA compact kitchen inside a new ADUA kitchenette inside a converted garageThe living room inside a new ADUA bedroom and desk inside a converted garageA new two-story ADU over a garage

More ADU services in Maywood

Every build below starts the same way: a free site visit and a written price.

Getting started with Seedling in Pasadena

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a backyard ADU site with the homeowner

Free site visit

A project lead walks the lot with you, checks what it allows and hands you a written, line-item price. No obligation.

Book a site visit
A building crew carrying lumber to a backyard ADU site

Your Pasadena team

A local crew that works across Pasadena and the towns around it, to the same written standard as every Seedling location.

Areas we serve
A worker protecting the lawn before an ADU build starts

Read our written promise

What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise

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(626) 657-5461

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