Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Before
After
Before
After
Before
AfterFast, Reliable Home Additions & ADU Across Royal Palm Beach
Home additions and ADU construction in Royal Palm Beach typically run $45,000-$130,000 for room additions and $90,000-$220,000 for detached ADUs, with most projects requiring 10-16 weeks from permit filing to final inspection. Our crews serve Royal Palm Beach from our South Florida office, and we schedule around the village’s unique HOA-first submittal process so your job doesn’t stall waiting on architectural review. Call (561) 475-3903 to schedule your free estimate.
We’ve worked across Royal Palm Beach’s 1970s-1990s CBS neighborhoods - from Village Walk off Crestwood Boulevard to the single-family tracts near Royal Palm Beach Pines - and we know the permit path here differs from Wellington or West Palm Beach. The village’s concentrated housing stock means predictable construction conditions, but it also means every addition must navigate the same pre-permit layer: HOA architectural review boards that sign off on materials, colors, and roof profiles before the Village will accept a building permit application.
Why Rowan Construction Group West Palm Beach Is Royal Palm Beach’s Preferred Home Additions & ADU Company
Grant Rowan founded this company in 2007 on one discipline - a written price before any work starts, backed by a signed scope and a signed change order if anything shifts. That discipline has kept 4,000-plus projects within a few percent of the agreed number. In Royal Palm Beach, where HOA review boards can reject a stucco color or roof pitch on sight, that documentation matters even more. We build the approval calendar into your quote so you’re not paying for crews to wait.
Our technicians are background-checked and uniformed; a live person answers calls 24/7; and every visit produces a documented photo record included as standard, not an upgrade. Royal Palm Beach homeowners receive the same Haven Standard terms page that governs every Rowan job - Clause 1 is the written price, and the 365-Day Done Right Promise is printed on every page, not hidden behind an asterisk.
We also offer a Free Second Opinion on any written estimate. Bring a competitor’s quote and we’ll review it line by line at no charge.
Our Home Additions & ADU Services in Royal Palm Beach
ADU Design & Permitting
ADU design in Royal Palm Beach starts with the HOA submittal packet, not the drafting table. Most village HOAs require full material and color approval before a building permit can be filed, and that pre-permit layer routinely adds two to four weeks to the calendar. Our team prepares elevation drawings, material samples, and color swatches - Sherwin-Williams stucco matches are common - and submits to the architectural review board before we ever touch a Village permit application. This sequencing prevents the delay that stalls many Royal Palm Beach ADU projects: ordering materials or scheduling crews before HOA sign-off, then discovering the approved color or roof profile differs from what was ordered.
Garage Conversion ADU
Garage conversions in Royal Palm Beach run $30,000-$80,000 and face a specific local condition: the village’s 1975-1998 CBS housing stock often carries original electrical panels and early CPVC or galvanized plumbing that must be brought to current code during conversion. We inspect the existing slab, the roof-to-wall connections, and the service panel before quoting, because upgrading a 100-amp panel to 200 amps or replacing galvanized supply lines is not a change order surprise - it’s a line item in the written scope from day one.
New Detached ADU
New detached ADUs in Royal Palm Beach demand engineered footings from the start. Western Palm Beach County’s water table sits 18-24 inches below grade in many parts of the village, so standard slab-on-grade construction risks moisture intrusion and failed inspections. We engineer stem walls or elevated slabs for every detached ADU, and we price that work into the original quote. In the Village Walk community off Crestwood Boulevard, we built a detached ADU for a family whose 1988 CBS ranch had an original hip roof and sun-faded stucco. The HOA architectural board initially rejected the first color sample because it did not match the existing elevation, so we re-submitted Sherwin-Williams stucco swatches, got sign-off, then filed the building permit with the Village; we also had to raise the stem wall and engineer the footing for the high water table before pouring. The finished ADU matched the main house roofline, passed inspection sign-off, and stayed inside the approved draw schedule.
Junior ADU & Interior Conversion
Junior ADUs - converted interior space with a separate entrance - work well in Royal Palm Beach’s smaller CBS ranches near Southern Boulevard, where lot size limits detached construction. These projects still trigger HOA review if the exterior modification is visible, and they always require impact-glazing upgrades on pre-1992 homes to meet current wind-mitigation standards. We handle both the architectural review submission and the wind-mitigation engineering in the same planning phase.
Second Story Additions
Second story additions on Royal Palm Beach’s 1970s-1990s CBS homes require careful structural analysis. The original slab-on-grade foundation and roof-to-wall connections often predate Florida’s post-Hurricane Andrew (1992) building code overhaul, so the addition must either match the existing structure’s wind-mitigation capacity or trigger upgrades to the original home. We engineer for both scenarios and present the options in writing before work starts. The uniform hip roof profile across most Royal Palm Beach neighborhoods means second-story additions must also pass HOA review for roof pitch and material match - a detail we address in the initial submittal packet, not mid-construction.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
BeforeAfterTrusted Brands We Service in Royal Palm Beach
Our quotes draw from fifty-plus vetted material brands, and we name the ones that go into your project. For Royal Palm Beach ADU kitchens and baths, we regularly specify Kohler fixtures, Moen valves, and Blanco sinks - brands with local distribution that don’t inflate the written price with special-order freight. Cambria and Caesarstone countertops are available for addition kitchens where durability and cleanability matter. We don’t upgrade you to these; we specify them in the original scope because they’re the right choice for the job, and we stock or source locally so material lead times don’t extend the HOA approval calendar we’ve already built.
Common Home Additions & ADU Problems We See in Royal Palm Beach Homes
- HOA approval ordered backward. Contractors unfamiliar with Royal Palm Beach file building permits before HOA architectural review, then lose two to four weeks when the board rejects the stucco color or roof profile. We sequence the submittal correctly: HOA first, Village second, materials ordered third.
- Water table ignored in footing design. The 18-24 inch water table in western Palm Beach County means standard footings flood or heave. We engineer stem walls or elevated slabs for every ADU and addition, priced into the original quote, not discovered at inspection.
- Pre-1992 wind-mitigation gap left unaddressed. Most Royal Palm Beach CBS homes were built before Florida’s post-Andrew wind code, so roof-to-wall connections and impact glazing don’t meet current standards. Additions that ignore this fail final inspection; we engineer the upgrade path into the original scope.
- Material samples submitted without exact color match. Royal Palm Beach’s HOA boards know their neighborhoods’ original palettes. We pull Sherwin-Williams or comparable swatches against the existing elevation before submission, not after rejection.
Pricing for Home Additions & ADU in Royal Palm Beach, FL
We put the number in writing before anyone picks up a tool. Here are the ranges for Royal Palm Beach’s market:
| Service | Price Range |
|---|---|
| Home Addition | $45,000-$130,000 |
| ADU Construction | $90,000-$220,000 |
| Garage Conversion | $30,000-$80,000 |
What moves a project within these ranges: the HOA review timeline (we build this in), engineered footing requirements for the water table, wind-mitigation upgrades on pre-1992 CBS homes, and finish selections from our fifty-plus vetted brands. Every quote is a flat price with a written scope and a written warranty. No change proceeds without a signed change order - the administrative discipline Haven acquired Rowan for, and the reason our projects finish within a few percent of the number you agreed to. Call (561) 475-3903 for your free estimate.
We Also Serve Cities Near Royal Palm Beach
Our Home Additions & ADU team works throughout western Palm Beach County, including Wellington, Greenacres, Palm Beach Gardens, and West Palm Beach. Each municipality has its own permit sequence and housing stock realities; we adjust the submittal packet and engineering approach accordingly. For homeowners in Royal Palm Beach specifically, we maintain the HOA-first workflow and the pre-1992 CBS wind-mitigation protocols that keep projects on schedule.
Serving Royal Palm Beach, FL - Our Local Coverage Area
We’re based in the Royal Palm Beach 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 - Home Additions & ADU in Royal Palm Beach
Yes. Most Royal Palm Beach HOAs require full architectural review - materials, colors, roof profile - before the Village will accept a building permit application. We prepare and submit the HOA packet first, wait for written sign-off, then file with the Village. Call (561) 475-3903 and we’ll review your HOA’s specific requirements at no charge.
The HOA architectural review layer typically adds two to four weeks to the front of the calendar, plus standard Village permit review time. We build this into your project schedule and do not order materials or schedule crews until both approvals are in hand. Call (561) 475-3903 for a timeline specific to your HOA.
Yes, but the addition must meet current wind-mitigation, impact-glazing, and roof-to-wall-connection standards, which often requires upgrading the existing structure as well. We engineer both paths and present the options in the written scope before work starts. Call (561) 475-3903 for a structural assessment.
Western Palm Beach County’s 18-24 inch water table means standard slab-on-grade footings risk moisture intrusion and failed inspections. We engineer stem walls or elevated slabs for every ADU and addition, and we price this into the original quote. Call (561) 475-3903 for a site-specific engineering review.
The packet includes scaled elevation drawings, material specifications, color samples matched to the existing home, roof profile details, and a site plan showing setbacks. For HOA review, we also include landscape impact and drainage plans. We prepare and file the complete packet; you review and approve before submission. Call (561) 475-3903 to start your packet.
Written by Grant Rowan, Owner at Rowan Construction Group, serving Royal Palm Beach under The Haven Standard since 2007.