







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
American Standard Home Additions & ADU: The Long Beach Owner’s Guide
Most homeowners don’t search for “American Standard home additions” because a faucet broke. They search because a plan fell apart, a family grew, or an aging in-law needs to live closer. The part that fails isn’t always a valve or a cartridge. Sometimes the failed part is the house itself: the floor that slopes two inches in ten feet, the wall with no shear paneling behind the stucco, the garage slab poured without rebar. When an addition or ADU is built on a weak foundation detail or with mismatched rough-in spacing, American Standard fixtures can’t fix it. We see this in Long Beach constantly, especially in Belmont Shore and North Long Beach, where 1940s and 1950s houses carry original framing that was never meant to take a second story or a kitchenette addition. Elmstead Remodeling Long Beach is an independent contractor, not affiliated with American Standard. We install American Standard fixtures in additions and ADUs every season, and the installed price range we quote in Long Beach for a full home addition is $45,000 to $130,000. An ADU runs higher, between $90,000 and $220,000, because of utility connections, foundation requirements, and separate permitting.

Which American Standard Models This Applies To
American Standard builds product lines that cross from a powder room into a full ADU without forcing you to mix valve brands. The Cadet and Champion toilet lines, the Town Square and Studio S bathroom collections, the Reliant and Colony faucet families, and their EverClean tubs and shower bases all show up in Long Beach additions. The compatibility gotcha is in the rough-in numbers. American Standard toilets carry either 10-inch, 12-inch, or 14-inch rough-in measurements, and many older Long Beach homes were plumbed for 14-inch bowls back when wall-hung tanks were more common. If you buy a 12-inch Cadet and the waste pipe is set at 14, the tank won’t sit flush against the wall. We measure the flange before ordering anything. The same applies to tub and shower sets: some American Standard tub fillers are deck-mount, some are wall-mount, and swapping one for the other mid-project means opening the subfloor, not just the tile. For OEM versus aftermarket, American Standard valves have specific cartridge patterns. Aftermarket cartridges often fit physically but wear faster, especially with Long Beach’s hard water. We default to OEM cartridges for American Standard equipment and will only substitute a quality aftermarket part when the homeowner signs off on the tradeoff.
Styles & brands we work with






Signs Your American Standard Home Additions & ADU Is Failing
- Drywall cracks at the corners of new doorways in an existing addition mean the foundation or the framing is moving more than the original shear design allowed. This is common in Wrigley and Zaferia, where long, narrow lots put additions tight against property lines.
- A new American Standard toilet rocks even after the flange bolts are tightened. The subfloor under the flange is rotting or was not blocked properly, and the wax ring is already breaking its seal.
- Shower water pressure drops in a newly added bathroom when a second fixture runs. The branch supply line is undersized for the new run, and no fixture replacement, American Standard or otherwise, will fix that.
- The floor of an ADU feels cold in one corner year-round. In Long Beach, where many ADUs are built over crawl spaces, that corner is missing insulation or the vapor barrier was skipped, and the chill travels up through the tile.
- Exterior stucco around a new addition is staining below the window line. The window flashing was lapped backward or the weep screed is blocked, and water is wicking behind the paper. Left alone, this turns into termite and dry rot work inside a year or two.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
In Long Beach, a full home addition runs $45,000 to $130,000. An ADU runs $90,000 to $220,000. A garage conversion, which is often the fastest way to add a rental or in-law space, runs $30,000 to $80,000. The gap between the low and high end of any range comes down to three things: foundation condition, utility distance, and fixture grade. A 400-square-foot addition on a slab with the sewer line ten feet away and American Standard Cadet-level fixtures will land near the bottom of the range. A 1,200-square-foot ADU with a new subpanel, trenching across a 100-foot yard, and Town Square or Studio S fixtures throughout will push toward the top. Every estimate we write in Long Beach is a written line-item price before any work begins. That price includes the demolition, the foundation work, the framing, the plumbing and electrical, the drywall, the painting, the American Standard fixtures themselves, and the clean-up. Shoe covers and drop cloths are on every visit. A photo of the clean-up is taken before the crew leaves. If a wall has to be opened to chase a pipe, the written price already accounts for patching and texture matching. We don’t hand you a change order after the fact.
DIY or Call Us?
Replacing a faucet cartridge or resetting a toilet on a level flange is something a careful homeowner can do in an afternoon. What a homeowner should not do is tie a new ADU drain into an existing clay sewer line without a camera inspection, because Long Beach’s older neighborhoods are full of orangeburg and cracked clay that collapses the moment a backhoe moves nearby. We prefer to handle anything involving foundation bolting, shear wall placement, gas line extension, or main panel work ourselves. Those are the parts of an addition that hurt people when they fail, and they fail quietly for years before they fail loudly. If you’re not sure which category your American Standard project falls into, call (562) 512-7086 and we’ll talk through what you’re seeing. The estimate is free.
FAQs

American Standard toilets, tubs, and valves typically last 15 to 25 years in Long Beach homes, but the hard water here shortens cartridge life to about 5 to 8 years unless a softener is installed. The fixtures themselves rarely fail before the plumbing behind them does.
Often yes, if the framing is sound and the failure is in flashing, drywall, or a single plumbing run. If the foundation is moving or the shear paneling was skipped, the honest repair is usually a tear-out of the affected wall or floor, not a patch.
Plan for 6 to 12 months from permit submittal to final inspection in Long Beach. The city’s planning and building departments move on their own calendar, and utility connections with Long Beach Water and Southern California Edison add their own approvals.
We stock common American Standard cartridges, fill valves, and flappers on the truck for service days, and we keep fixture sets staged in our shop for active projects. Larger or custom American Standard pieces are ordered by model number so the rough-in matches exactly.
If you’re planning a home addition or ADU in Long Beach and want American Standard fixtures done right the first time, call (562) 512-7086 for a free estimate. The price we write down on day one is the price on the invoice when we’re done.
Written by Graham Stein, Owner, Elmstead Remodeling Long Beach at Elmstead Remodeling Long Beach, serving Long Beach and nearby areas.


