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AfterHow Much Does Home Addition Cost in West Palm Beach?
A home addition in West Palm Beach runs $45,000 to $130,000 in 2026, with most mid-size bedroom or family-room additions landing between $65,000 and $95,000. The final number hinges on square footage, foundation requirements, and whether the addition runs new plumbing or electrical. Bradford Remodeling Co West Palm Beach puts every price in writing before work starts, so the number you sign for is the number you pay.
Key Takeaways
- Typical range: $45,000 – $130,000 for a home addition in West Palm Beach
- Per-square-foot cost: $180 – $350 depending on finish level and systems work
- Most common project: 300 – 500 sq ft bedroom or family room addition, landing near $65,000 – $95,000
- Biggest cost drivers: foundation type, HVAC extension, plumbing rough-in, and hurricane-rated glazing
- Written price: Bradford Remodeling provides a documented, line-item price before any work begins
- Guarantee: Every addition carries the 365-Day Done Right Promise in writing
Home Addition Cost Breakdown (2026)
Here’s how a typical West Palm Beach home addition breaks down by line item. If you’re planning a home addition in West Palm Beach, these numbers track what we see on most permits pulled in Palm Beach County this year.
| Cost Component | Low End | High End | Notes |
|---|---|---|---|
| Design & engineering | $3,500 | $9,000 | Plans, structural calcs, wind-load certification for coastal code |
| Permits & impact fees | $2,500 | $7,500 | West Palm Beach building permit plus Palm Beach County fees |
| Foundation & slab | $6,000 | $18,000 | Monolithic slab on grade; costs rise with soil correction or stem walls |
| Framing & roof structure | $12,000 | $30,000 | Wood or CMU block framing tied to existing roof line |
| Roofing & underlayment | $4,000 | $11,000 | Shingle or standing seam; secondary water barrier required by code |
| HVAC extension or new zone | $4,500 | $12,000 | Ducted split or mini-split depending on addition size |
| Electrical rough-in & finish | $3,000 | $8,500 | Panel upgrade, if needed, adds $2,500 – $5,000 |
| Plumbing rough-in (if bath/wet bar) | $4,000 | $12,000 | Only applies when the addition includes water lines and drainage |
| Drywall, insulation, & finishes | $7,000 | $16,000 | R-38 ceiling insulation; impact-rated windows are a separate line |
| Impact windows & doors | $3,500 | $14,000 | Hurricane-rated glazing is mandatory in West Palm Beach |
| Flooring, trim, & paint | $4,000 | $12,000 | Tile, LVP, or engineered hardwood; crown and base trim |
| General contractor oversight | $6,000 | $16,000 | Site management, scheduling, and written scope enforcement |
Three things move the price more than anything else in this market. First is foundation work: homes in neighborhoods like Flamingo Park or Grandview Heights often sit on older pads that need soil correction before a new slab goes down. Second is the roof tie-in. A simple gable that marries into the existing ridge costs less than a flat or shed roof that requires structural steel and a new drainage plan. Third is the mechanical scope. One bedroom with a ductless mini-split is a straightforward job; a primary suite with a full bath and walk-in closet means plumbing, drainage, and a dedicated HVAC zone.
Curtis Lane, who runs Bradford Remodeling Co West Palm Beach, puts it plainly: the cheapest addition is the one that never needs a second visit. Our written price accounts for what’s in the walls, not just what you see when the crew leaves.
What Affects Home Addition Pricing in West Palm Beach
- Hurricane code compliance. Palm Beach County sits in the High Velocity Hurricane Zone. Exterior openings require impact glazing or shutters, roof sheathing needs a secondary water barrier, and strapping has to meet current wind-load tables. That adds real money, and any contractor who skips it is handing you a failed inspection.
- Block vs. wood frame construction. Most of West Palm Beach’s existing housing stock is CMU block. Matching that means a block addition with furring strips and drywall; going wood frame is faster and sometimes cheaper, but the exterior finish has to blend with the existing stucco or siding.
- Slab-on-grade and soil conditions. Much of the city sits on sandy soil with a high water table in low-lying pockets. Some additions need stem walls or deeper footers. We confirm soil conditions before pricing, not after the slab is poured.
- Existing panel capacity. A 100-amp panel that’s already maxed out will not carry a new bedroom suite. Plan for a panel upgrade or subpanel, which runs $2,500 to $5,000 depending on the service size.
- Setback and zoning requirements. West Palm Beach has specific rear and side setback rules that vary by zoning district. A variance, if needed, adds time and legal fees. We check zoning before you commit to a footprint.
- Access to the work area. Tight lots in neighborhoods like El Cid or Sunshine Park mean limited staging space. If the crew has to hand-carry materials through a gate or protect a mature oak during construction, that shows up in the labor line.
How Much Does a Home Addition Cost Per Square Foot in West Palm Beach?
Budget $180 to $350 per square foot for a home addition in West Palm Beach in 2026. That range is wider than in interior Florida markets because of the hurricane-rated materials, block construction requirements, and the cost of tying new work into older homes without disturbing what’s already there.
Here’s a quick reality check. A 200-square-foot bump-out with no plumbing and minimal electrical can come in near the bottom of that range. A 500-square-foot primary suite with a full bath, walk-in closet, and separate HVAC zone will land near the top. The per-square-foot number moves because the expensive work (foundation, roof tie-in, glazing) doesn’t scale down proportionally on small additions.
Home Addition Cost by Project Type
- Bedroom addition (200 – 300 sq ft): $45,000 – $75,000. Framing, drywall, flooring, impact window, and a ductless HVAC unit. No plumbing.
- Primary suite addition (400 – 600 sq ft): $80,000 – $130,000. Includes a full bath with shower, walk-in closet, dedicated HVAC zone, and plumbing rough-in.
- In-law suite or guest quarters (500 – 700 sq ft): $90,000 – $180,000. Full bath, kitchenette, separate entrance, and sometimes a dividing wall from the main house.
- Second-story addition (over existing footprint): $120,000 – $220,000. Requires structural review of the existing walls and foundation, a stairwell, and temporary weatherproofing during construction. Price varies widely based on whether the existing roof structure can carry the load.
- Bump-out (50 – 150 sq ft): $25,000 – $55,000. Extends an existing room, usually a kitchen or living space, without adding a full new footprint’s worth of systems.
How to Save on Home Addition
The right way to save is to reduce scope strategically, not to find the cheapest bid. Here’s what actually works for homeowners in West Palm Beach.
- Build within the existing roofline. A bump-out or reconfiguration under the current roof costs less than an addition that requires a new ridge, new trusses, or a flat-roof membrane system.
- Skip the plumbing. A bedroom or office addition without a bath eliminates rough-in, drainage, venting, and a dedicated hot-water line. That’s $4,000 to $12,000 off the total.
- Use a ductless mini-split instead of extending existing ductwork. A high-efficiency mini-split runs $4,500 to $8,000 installed and avoids tearing into the existing HVAC plenum, which can cascade into a full system replacement on older units.
- Match the finish level to the existing house. If your home has builder-grade trim and standard doors, do not put custom millwork in the addition. The mismatch will bother you every single day, and the cost difference is substantial.
- Phase the work deliberately. If you’re planning a large addition with a patio or outdoor kitchen, completing the conditioned space first and the exterior hardscaping second keeps the project financed and scoped in manageable pieces.
One more point worth being direct about: some bids in this market look cheap because they omit line items like the secondary water barrier, the permit fee, or the finish work. Then the price moves mid-job. Bradford Remodeling’s written price is line-itemed before we start. That’s the whole point of The Garrison Standard: no numbers that move at the door. Call (728) 203-9809 and we’ll give you a real estimate in writing.
How Long Does a Home Addition Take in West Palm Beach?
A standard single-story addition runs 10 to 16 weeks from permit issuance to final inspection in West Palm Beach. Smaller bump-outs can finish in 8 weeks. Primary suites with full baths run 14 to 20 weeks. Second-story additions are the longest, typically 16 to 24 weeks, because the existing roof has to come off in sections and the house stays weather-tight while the new structure goes up.
The wildcard is the permit desk. Palm Beach County plan review can take anywhere from 3 to 8 weeks depending on the scope and whether the project triggers any zoning review. We submit plans with the structural calcs and wind-load certifications already attached, which shortens the review loop. It doesn’t eliminate it, but it prevents the back-and-forth that stalls jobs for months.
Is It Cheaper to Build Up or Out in West Palm Beach?
Building out is almost always cheaper than building up in West Palm Beach. A ground-floor addition runs $180 to $350 per square foot, while a second-story addition over an existing footprint runs $120,000 to $220,000 for even modest square footage because you’re paying for structural review, temporary roof protection, stair construction, and the labor cost of working at height.
That said, building up is sometimes the only option. Lots in neighborhoods like Prospect Park or Southland Park are narrow, and setbacks don’t leave room to expand outward. In those cases, the second-story addition is not an extravagance; it’s the only way to keep the lot and get the square footage. Bradford works both ways, and we’ll give you a straight comparison of the two approaches before you commit.
Home Addition on a Concrete Slab vs. Crawlspace
Most West Palm Beach homes are built on monolithic concrete slabs, so most additions go on slabs too. A new slab foundation for an addition runs $6,000 to $18,000 depending on size, with additional cost if the soil requires over-excavation or a stem wall. Homes on crawlspaces, which are less common but exist in some older pockets, need perimeter footers and a framed floor system instead, adding roughly 15 to 25 percent to the foundation line.
The practical consideration for slab work is plumbing. If you’re adding a bath, the drain lines have to go in before the concrete is poured. Once that slab is down, moving a toilet or shower drain means cutting the slab, which is expensive and disruptive. That’s why our written scope includes a plumbing rough-in plan before the foundation is scheduled.
Do You Need a Permit for a Home Addition in West Palm Beach?
Yes. Every structural addition in West Palm Beach requires a building permit, and most trigger plan review by the city’s Building Department. A legal addition needs engineered drawings, a wind-load analysis for the roof and exterior openings, and inspections at foundation, framing, rough-in, and final stages.
An unpermitted addition is a problem you inherit when you sell, when you refinance, or when a neighbor files a complaint. It also voids most homeowners insurance coverage for anything connected to that space. We pull permits on every job and close them out before the final walkthrough. That’s part of what “squared away” means: when we leave, your paperwork is as clean as your new room.
Why Bradford Remodeling Co West Palm Beach Prices Additions the Way We Do
We’re part of the Garrison Partners family, established in 2004, and every location operates under The Garrison Standard. The standard is simple enough to put in one sentence: a written price before any work starts, and a written guarantee that stands for a full year after the job is done.
That guarantee is the 365-Day Done Right Promise. If any part of your home addition fails within a year of completion, we come back and correct it at no charge. No arguing about whose fault it is, no invoice for a return visit. The promise is in writing, signed, and handed to you at job close alongside a clean site and a documented scope.
We also work from a documented roster of name-brand materials: GAF and CertainTeed roofing, James Hardie siding, Therma-Tru doors, Kohler and Moen fixtures, Cambria and Caesarstone surfaces, KraftMaid and Wellborn cabinetry. Specifications are traceable. Quality isn’t left to guesswork. The materials carry manufacturer warranties that back our own guarantee, not replace it.
When you call Bradford Remodeling Co West Palm Beach, a live person answers. That’s not a slogan; it’s a 24/7 phone standard held at the Garrison Partners level. No robotic menus, no call-back queue. You’ll talk to a person who can schedule an estimate. Call (728) 203-9809.
FAQs – Home Addition Cost
How much does a home addition cost in West Palm Beach?
A home addition in West Palm Beach costs $45,000 to $130,000 in 2026. A mid-size bedroom or family-room addition without plumbing typically lands between $65,000 and $95,000 including permits, materials, and labor. Call (728) 203-9809 for a written estimate on your specific footprint.
Is it cheaper to add on or move in West Palm Beach?
For most homeowners, adding on is cheaper than moving once you account for closing costs, realtor commissions, and the premium on larger homes in hot West Palm Beach neighborhoods. A $75,000 bedroom addition on a home you already own often beats the $40,000 to $60,000 in transaction costs alone that a move would trigger, before you even factor in the price difference on the new house. We’ll scope your home addition honestly so you can run the real numbers.
How much does a bedroom addition cost in West Palm Beach?
A bedroom addition without plumbing runs $45,000 to $75,000 for 200 to 300 square feet. Add a walk-in closet and an en-suite bath and the number moves to $80,000 to $130,000 because of the rough-in, tile work, and dedicated HVAC zone.
Can you come out and give me a real price, not a range?
Yes. A range is what you get from a website; a written number is what you get from a site visit. We measure the existing structure, check the panel, look at the roofline, and give you a line-itemed written price before any work starts. Estimates are free. Call (728) 203-9809 to schedule one.
Does Bradford Remodeling handle the permits and inspections?
Yes. We pull the building permit, schedule the inspections, and close the permit out before the final walkthrough. You never have to deal with the city’s plan review desk. That’s included in the written price, not billed as an add-on later.
Get a Written Home Addition Estimate in West Palm Beach
If you’re ready to price an addition on your actual house, call Bradford Remodeling Co West Palm Beach at (728) 203-9809. Curtis Lane and the team will come out, measure the space, and hand you a written, line-itemed price before you sign anything. No numbers that move at the door. The Garrison Standard in writing, and the 365-Day Done Right Promise backing the work for a full year.
Pricing reflects the West Palm Beach market as of 2026. Bradford Remodeling Co West Palm Beach offers free estimates – call (728) 203-9809.
Written by Curtis Lane, Owner at Bradford Remodeling Co West Palm Beach, serving West Palm Beach since 2004.
What Our Customers Say
"Kitchen remodel run by a veteran-owned crew. They started on the day promised, kept the site clean, and gave weekly updates. New cabinets and counters look great."
- Alan M."Solid job. Small punch list items were done within a few days of the walkthrough."
- Beth K."Painting and drywall repair were flawless. They patched the drywall seams and the paint matches the old wall."
- Cal P.
