Keystone Custom Builders logoKeystone Custom Builders
Renovated bathroom by Keystone Custom Builders — serving Jacksonville, Florida

Duval County · Northeast Florida

Bathroom Remodeling in Jacksonville

Bathroom renovations built around waterproofing that lasts — not tile laid over hope. Licensed and insured, Florida Certified Building Contractor CBC1265492.

Shower pans flood-tested before tile
TestedShower pans flood-tested before tile
Typical weeks on site
3-5Typical weeks on site
Waterproofing membrane, not just backer board
BondedWaterproofing membrane, not just backer board

Bathroom Remodeling for Jacksonville property owners

Bathroom remodeling in Jacksonville is something we do often enough to know where the surprises are. That covers all of Jacksonville, including the the St. Johns River downtown area and the property around Riverside Avenue. What comes across our desk from Jacksonville is mostly historic urban homes, riverfront property and light commercial buildings.

What makes Jacksonville its own case is straightforward. Everything from firm river-terrace sand downtown to soft, filled marsh ground on the edges — soils change block to block, not neighborhood to neighborhood, and on top of that, the St. Johns runs through the middle of the city and is tidal all the way past downtown, so riverfront work is saltwater work.

Why bathroom remodeling works differently in Jacksonville

Bathrooms in Jacksonville's older houses are where the accumulated damage usually is. A genuinely wide range: 1910s brick and frame near the river, 1950s block ranches in the middle ring, and 2000s slab construction on the perimeter. That means original cast iron waste lines, galvanized supply, and subfloor that has been quietly wet under a tub for decades. Everything from firm river-terrace sand downtown to soft, filled marsh ground on the edges — soils change block to block, not neighborhood to neighborhood. That means crawlspace access is often the only route for plumbing changes. None of this is unusual — it just needs to be found before contract rather than at demolition.

Something else that decides the scope here: the St. Johns runs through the middle of the city and is tidal all the way past downtown, so riverfront work is saltwater work. Which means a scope written for somewhere else will be wrong here in ways that only surface once work starts.

Permits are issued by City of Jacksonville Building Inspection Division. Worth knowing before you design: consolidated city-county permitting through one office, with separate historic district review where it applies. We confirm exactly what applies to your parcel before design, rather than discovering it at review.

What that adds up to is a bathroom remodeling approach built around Jacksonville specifically: the site investigated before the design commits, materials chosen for the conditions they'll actually live in, and a schedule that reflects the real permitting timeline rather than an optimistic one.

What bathroom remodeling in Jacksonville covers

  • Demolition and substrate assessment
  • Framing and blocking
  • Plumbing and electrical
  • Waterproofing
  • Tile, fixtures and vanity
  • Ventilation
Full bathroom remodeling scope and process →

Signs it's time to call

These are the things owners tell us on the first call. If more than one sounds familiar, it's worth a look.

  • Grout lines at the shower floor are dark, soft, or missing in the corners.
  • The floor outside the shower flexes, or the tile there sounds hollow.

How we deliver bathroom remodeling in Jacksonville

  1. 01

    Assessment

  2. 02

    Design and selections

  3. 03

    Permit and materials

  4. 04

    Demolition and rough-in

  5. 05

    Waterproofing and tile

  6. 06

    Trim out and punch

What actually drives the cost

We won't quote a number sight unseen. These are the factors that move it, so you can see where your project is likely to land before we ever walk the property.

What's found at demolition
Rot at the subfloor or sill under a long-leaking shower is common in older bathrooms. We carry an allowance rather than pretending the risk is zero.
Accessibility work
Curbless showers, wider doorways and grab-bar blocking are worth doing while the walls are open — retrofitting them later costs several times as much.

Working in Jacksonville.

We remodel bathrooms throughout Jacksonville's established neighborhoods — converting tubs to walk-in showers, adding a bath where a closet was, and rebuilding rooms where a long-running leak did real structural damage. Historic urban homes, riverfront property and light commercial buildings surround the work.

Our Duval County work covers Jacksonville plus San Marco, Riverside, Avondale and Arlington — near enough to each other that a site visit is never a production.

  • historic urban homes
  • riverfront property
  • light commercial buildings
  • infill lots

Bathroom Remodeling questions in Jacksonville

What do you usually find behind the walls in an older Jacksonville bathroom?

Wet subfloor at the shower, deteriorated cast iron, and framing that's been notched by a previous plumber. It's common enough in Jacksonville that we carry an allowance for it rather than treating it as a surprise change order.

What should I budget for bathroom remodeling in Jacksonville?

It depends on the site more than on the square footage. Everything from firm river-terrace sand downtown to soft, filled marsh ground on the edges — soils change block to block, not neighborhood to neighborhood, and the St. Johns runs through the middle of the city and is tidal all the way past downtown, so riverfront work is saltwater work, both of which move the number materially in Jacksonville. We quote after a walkthrough, free of charge.

What's the permitting process for bathroom remodeling in Jacksonville?

Yes for anything structural or involving systems. Permits come from City of Jacksonville Building Inspection Division, and there's a local wrinkle worth knowing: consolidated city-county permitting through one office, with separate historic district review where it applies. We handle the whole submittal.

When could you get out to look at a Jacksonville property?

Quickly for the walkthrough — Jacksonville is close enough to Keystone Heights that scheduling isn't the constraint. Permitting is, and we'll be straight with you about how long City of Jacksonville Building Inspection Division actually takes.

Do you actually travel to Jacksonville?

Yes, regularly. We're based in Keystone Heights and Duval County is core territory for us; San Marco, Riverside and Avondale are all on the same routes. (352) 478-6112 gets you a site visit.

Can I keep the existing tile and just re-grout?

Sometimes, if the substrate is sound. But if grout is failing at the shower floor corners, the problem is usually below the tile and re-grouting just delays the real repair.

Should I add blocking for grab bars even if I don't need them?

Yes. It costs almost nothing while the walls are open and saves opening them again later. We do it as standard where the layout allows.

More bathroom remodeling questions →

Ready to talk about bathroom remodeling in Jacksonville?

Free consultations, straight answers, and one contractor accountable from the first walkthrough to the last punch item.

Bathroom Remodeling in Jacksonville