Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Moen Home Additions & ADU: The Jacksonville Owner’s Guide
Moen home additions and ADU projects in Jacksonville typically run $45,000 to $130,000 for a full addition, with ADU construction ranging from $90,000 to $220,000 depending on square footage, foundation work, and finish level. We stock and install Moen fixtures across every addition and ADU we build, and we can usually match your existing Moen trim or swap in a new Moen line within the same project timeline. Most homeowners discover they need this work when the existing house simply runs out of room: a growing family, an aging parent moving in, or a rental unit that needs to start paying for itself.
What separates a Moen-spec’d addition from a generic one is consistency. If your existing house runs Moen faucets, shower trims, and bath accessories, you don’t want the new bathroom to feel like it belongs to a different house. We spec Moen across the addition so the finishes match, the cartridges interchange, and ten years from now you’re not hunting for three different repair parts.
Key Takeaways
- Installed price for home additions in Jacksonville: $45,000 – $130,000; ADUs run $90,000 – $220,000.
- Written price before work starts: no numbers that move at the door, no surprise line items at closeout.
- 365-Day Done Right Promise: if the work fails within a full year, we come back and correct it at no charge.
- Moen fixtures spec’d consistently across the addition so cartridges, trims, and finishes match the existing house.
- Live person answers the phone 24/7 at (904) 337-5929.
Styles & brands we work with
Which Moen Models This Applies To
For home additions and ADUs, the Moen conversation is less about repairing an existing part and more about spec’ing the right Moen lines for the new space. That said, compatibility matters. Moen runs three broad tiers: the budget-friendly Chateau and Brantford lines, the mid-range Eva and Voss collections, and the higher-end Align, Genta, and Weymouth series. Each uses Moen’s 1225 or 1255 cartridge, which is the same ceramic-disc valve across most single-handle faucets, but the trim kits do not interchange across collections. A Voss handle won’t fit an Eva escutcheon. If you’re matching an existing Moen finish in the primary house, bring us a photo of the faucet and we’ll confirm the exact line before the rough-in.
One gotcha we see regularly in Jacksonville: homeowners buy Moen fixtures online, then discover the rough-in valve is sold separately. Moen sells trim kits and rough-in valves as discrete SKUs. If the plumber shows up with a trim kit and no valve, the job stops. We spec both from the start, and we pull Moen’s spec sheets during the planning phase so the valve depth lands correctly behind the finished wall. That’s the difference between a one-and-done rough-in and a callback that opens up a fresh tile wall.
Signs Your Moen Home Additions & ADU Is Failing
Most additions don’t fail all at once. They fail in stages, and the Moen components usually tell you something’s off before the drywall does. Here are the symptoms we see most often on Jacksonville additions and ADUs:
- Low water pressure at the new Moen fixtures. This usually means debris from the rough-in clogged the aerator or the cartridge inlet screen. It’s a five-minute fix, but it signals the lines weren’t flushed before the trim went on.
- Moen shower valve drips after shutoff. A worn 1225 cartridge is the usual culprit. In Jacksonville’s hard water, mineral buildup accelerates cartridge wear, especially if the home sits on a well.
- Temperature swings mid-shower. The Moen pressure-balancing spool inside the valve is sticking. Florida’s warm groundwater means the cold side rarely shocks the valve, so when it happens, it’s often sediment from a water main repair.
- New addition settles and doors begin to bind. This isn’t a Moen issue; it’s a foundation or framing issue. But on an ADU with a new bathroom, a binding door often means the subfloor moved and the Moen supply lines are now under tension.
- Grout cracks around the Moen shower trim plate. Water is getting behind the wall. The trim plate escutcheon should sit flush against tile with a proper seal. If the tile wasn’t floated flat, the plate gaps, and moisture works in.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
For a full home addition in Jacksonville, the installed range is $45,000 to $130,000. An ADU runs $90,000 to $220,000. The spread comes down to square footage, foundation type, roofline complexity, and how much plumbing and electrical the new space requires. A simple 400-square-foot bump-out with a half bath lands near the bottom. A full second-story addition with a new Moen-plumbed bathroom suite lands near the top.
What’s included: a written line-item price before any work starts, all permits pulled and inspections scheduled, Moen fixtures specified with rough-in valves and trim kits, and a signed written guarantee in your hand at closeout. We don’t use change orders as a business model. Scope it right the first time, and the number holds. The 365-Day Done Right Promise covers the completed work for a full year. If something fails inside that window, we come back and correct it at no charge.
| Project Type | Jacksonville Installed Price Range |
|---|---|
| Home Addition (full) | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Kitchen Remodel (within addition) | $14,000 – $45,000 |
| Bathroom Remodel (within addition) | $9,000 – $28,000 |
Call (904) 337-5929 for an exact quote on your Moen-spec’d addition or ADU. Estimates are free, and the price we give you is the price you’ll pay.
DIY or Call Us?
There’s a split here. If you already have a Moen faucet in an existing bathroom and the cartridge is dripping, swapping a 1225 cartridge is a legitimate homeowner job: shut off the water, pull the handle, replace the cartridge, done in twenty minutes. But building a home addition or ADU is not a DIY project. Jacksonville’s building codes require permits for structural work, plumbing rough-ins, and electrical service. The county inspects it. If the work doesn’t pass, you’re tearing out finished walls to fix what should have been right the first time.
Curtis Lane worked his way through Los Angeles Trade-Technical College and has spent three decades managing crews across the Southeast. He’s seen the same mistake enough times to call it out: homeowners who save money on an unpermitted addition, then can’t sell the house because the square footage isn’t on record. We pull permits on every addition and ADU. That matters at resale and it matters if an insurance claim ever comes up. Call (904) 337-5929 and we’ll walk the site, scope the job, and put the number in writing.
FAQs
A typical home addition in Jacksonville takes 4 to 7 months from permit approval to final inspection. An ADU runs 6 to 10 months depending on foundation work and utility connections. Jacksonville’s permitting timeline adds time on the front end, but we handle the drawings and submissions so you’re not chasing paper. Call (904) 337-5929 and we’ll give you a realistic schedule for your specific scope.
Yes. Bring us a photo of your existing Moen faucet or shower trim and we’ll identify the collection and match it in the new space. If the line has been discontinued, we’ll show you the closest current Moen equivalent before we spec it. The goal is a house that looks like one house, not two. Call (904) 337-5929 to schedule a walkthrough.
No. We give you a written price before any work starts, and that number holds unless you change the scope. If you add square footage or upgrade to a higher Moen collection mid-project, we’ll write the change order and get your sign-off before proceeding. Otherwise, the price at closeout matches the price on the first page. That’s the Garrison Standard, and it’s been the rule since 2004.
We spec and supply Moen fixtures through our approved brand roster, along with KraftMaid cabinet lines, Cambria and Silestone surfaces, and the other brands we install. That means the fixtures arrive on site when the rough-in is ready, not three weeks late because a delivery got lost. If you already bought Moen fixtures, we’ll install them provided they match the valve specs for the rough-in. Call (904) 337-5929 with what you have and we’ll tell you if it works.
Written by Curtis Lane, Owner, Bradford Remodeling Co Jacksonville at Bradford Remodeling Co Jacksonville, serving Jacksonville and nearby areas.
