Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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Before
AfterFast, Reliable Home Additions & ADU Across Dania Beach
A home addition or ADU in Dania Beach typically runs $45,000-$130,000 for attached work and $90,000-$220,000 for detached units, with garage conversions landing in the $30,000-$80,000 range. Most projects take 3-6 months from permit to final inspection, though FAA coordination for crane work near Fort Lauderdale-Hollywood International can add 30-45 days to the front end. Call (754) 714-6540 to schedule your free estimate - we quote in writing before anyone picks up a tool.
We serve Dania Beach from our Miami South Florida dispatch office, with crews that know the difference between a Melaleuca Gardens CBS cottage and a Griffin Road corridor ranch. The lots are tight, the water table is high, and the permits carry layers you won’t find in Davie or Coconut Creek. That local specificity is what keeps our projects on schedule and within a few percent of the written price.
Why Rowan Construction Group Pompano Beach Is Dania Beach’s Preferred Home Additions & ADU Company
We’ve delivered 4,000-plus projects since 2007, every one with a written price before work started and a documented photo record when the crew left. In Dania Beach, that discipline matters more than most places - the combination of pre-hurricane-code housing stock and federal airspace restrictions means surprises are expensive, and “we’ll figure it out in the field” is how budgets blow apart.
Our Dania Beach customers find us the same way they research appliances: they read the three-star reviews, they screenshot the price range, and they want a text confirmation of what was promised. We deliver flat written quotes with line-item scopes, signed change orders for any deviation, and a 365-Day Done Right Promise backed by The Haven Standard - not a handshake, a terms page.
Response time to Dania Beach neighborhoods is same-day for initial consultations. Our crews are background-checked and uniformed; a live person answers calls 24/7. The photo record from every visit is standard, not an upgrade.
Grant Rowan built this system after watching too many South Florida additions collapse into disputed change orders and unfinished punch lists. The administrative discipline Haven acquired Rowan for - Clause 1 of the Haven Standard, the written price before any work starts - is why our projects finish within a few percent of the number you agreed to.
Our Home Additions & ADU Services in Dania Beach
ADU Design & Permitting
ADU design and permitting in Dania Beach starts with a site survey that accounts for two variables most Broward cities don’t face: the FLL Part 77 approach corridor overhead and the Intracoastal water table underneath. We file the FAA Form 7460-1 obstruction review when any crane or ridge height triggers it, and we run soil borings for slab design before the architect finishes the first draft. Our permits include wind-mitigation engineering for the existing CBS structure, not just the new unit. A typical detached ADU in Dania Beach runs $90,000-$220,000.
Garage Conversion ADU
Garage conversions in Dania Beach are popular in the older neighborhoods near Dania Beach Boulevard and Anglers Avenue, where the original 1940s-1960s carports and garages were built without the elevation or flood-venting required for habitable space. We convert these to Junior ADUs or full units, but only after verifying the existing slab can carry the load and the conversion meets current flood-zone requirements. The $30,000-$80,000 range depends on whether we’re replacing the slab, adding a kitchen rough-in against the high water table, or tying into existing HVAC. We pull the permits; we pass the inspections.
New Detached ADU
New detached ADUs on Dania Beach’s tight lots - 50-foot widths are common in Melaleuca Gardens and the area south of Griffin Road - require staging plans that most contractors skip. We map dumpster placement on the swale, coordinate crane windows around the FAA filing, and sequence concrete pours to avoid blocking neighbor driveways. The slab design accounts for the water table with elevated footings or stem walls where standard monolithic pours would fail. This is the work that defines our Dania Beach practice: constrained sites, federal filings, and neighbors who watch every move.
Junior ADU & Interior Conversion
Junior ADUs and interior conversions in Dania Beach’s pre-hurricane-code homes require structural verification that newer cities don’t. The roof-to-wall connections on a 1955 CBS home won’t carry a second bearing point without retrofit; the subfloor may need investigation before new plumbing goes in. We handle this in the design phase, not during demolition. Our written quote includes the structural engineer’s report and the permit fees - no “allowance” that turns into a change order later.
Room Additions & Second Story Additions
Room additions and second-story additions in Dania Beach face the same CBS retrofit challenge. A 1950s concrete block home in the historic district near Federal Highway wasn’t built for a second-floor load path. We engineer the connection, pull the structural permit, and sequence the work so the existing roof comes off and the new floor goes on within the weather window. The $45,000-$130,000 range for home additions reflects this structural complexity, not just square footage.
Sunrooms & Enclosed Patios
Sunrooms and enclosed patios in Dania Beach must meet the same wind-mitigation standards as the main structure - impact glazing or shutters, engineered connections, and proper foundation anchoring given the flood zone. We enclose existing patios and build new sunrooms with Owens Corning or Atlas roof systems tied into the existing structure per current code.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Dania Beach
Our material sourcing runs fifty-plus vetted brands, which lets us quote honest numbers instead of inflated allowances. For Dania Beach additions and ADUs, we commonly specify Owens Corning roofing for tie-ins and second-story work, Atlas shingles where the existing roof is being replaced, and IKO or Tamko underlayment systems for the flat or low-slope sections common on older Florida homes. We stock local inventory for fast turnaround on standard items; specialty orders are quoted with lead times in writing. The customer gets the brand name, the spec, and the warranty documentation - not “contractor grade” and a shrug.
Common Home Additions & ADU Problems We See in Dania Beach Homes
- FAA Part 77 filing delays on crane work. Contractors who don’t know Dania Beach’s airspace corridor schedule a crane for next Tuesday and learn Thursday that the permit office flagged the height. We file the obstruction review 45 days out with exact GPS coordinates and ridge heights, so the crane window is confirmed before we pour the footings.
- Pre-1960s CBS structural assumptions. A Dania Beach home built in 1952 has no hurricane straps, no engineered roof-to-wall connection, and often no rebar in the footer that meets current standards. We engineer the retrofit before we quote the addition, not after we open the walls.
- High water table slab failures. The Intracoastal water table in Dania Beach sits high enough that standard monolithic slabs for ADUs can heave or flood. We design elevated footings, stem walls, or post-tensioned slabs based on the borings, and we quote the solution that matches the soil, not the cheapest option that fails in three years.
- Tight-lot staging conflicts. Zero-lot-line homes, shared driveways, and no alley access mean materials parked on the street and neighbors who can’t get out. Our site plans include staging diagrams, party-wall notice where required, and work-hour compliance with Dania Beach noise ordinances.
Pricing for Home Additions & ADU in Dania Beach, FL
We put the number in writing before anyone picks up a tool. Below are the ranges we see in the Dania Beach market for 2025-2026 projects, based on 4,000-plus jobs across South Florida and the specific cost drivers this city presents: FAA coordination, CBS structural retrofit, and high-water-table foundation work.
| Project Type | Typical Range in Dania Beach |
|---|---|
| Home Addition (attached room or second story) | $45,000 - $130,000 |
| ADU Construction (detached, new build) | $90,000 - $220,000 |
| Garage Conversion ADU | $30,000 - $80,000 |
What moves the number: structural retrofit requirements on pre-1960s CBS homes, FAA filing complexity for crane work, foundation type dictated by water table depth, and finish selections from our fifty-plus brand catalog. Every quote is flat-price with a written scope and a written warranty. No change proceeds without a signed change order. Bring a competitor’s written estimate and we’ll review it line by line at no charge - our Free Second Opinion.
Call (754) 714-6540 for your exact number. Estimates are free.
We Also Serve Cities Near Dania Beach
Our crews work throughout Broward and northern Miami-Dade, including Dania Beach, Pompano Beach, Lighthouse Point, Lauderdale-by-the-Sea, and Coconut Creek. Dispatch and scheduling are coordinated from our Miami South Florida office. Each city gets the same written-price discipline and documented photo record; each city’s local conditions get the same specific attention Dania Beach receives.
Serving Dania Beach, FL - Our Local Coverage Area
We’re based in the Dania 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 Dania Beach
Yes, it really does. Any construction in Dania Beach that uses a boom crane or builds a ridge above the FLL Part 77 threshold height triggers FAA Form 7460-1 obstruction review, even for single-family residential work. We file 45 days before crane scheduling with exact GPS coordinates and height calculations - a step most Hollywood or Davie crews never pull. Call (754) 714-6540 and we’ll check your specific site against the approach corridor map during the free estimate.
Yes, but the existing structure needs engineered retrofit. Pre-hurricane-code CBS homes in Dania Beach lack the roof-to-wall connections and footer rebar that current code requires for a second-story load path. We bring a structural engineer into the design phase, pull the retrofit permit with the addition permit, and quote the full scope in writing before work starts. The $45,000-$130,000 range for home additions includes this engineering when required.
The Intracoastal water table in Dania Beach sits high enough that standard monolithic slabs can heave, crack, or flood during king tides. We design elevated footings, stem walls, or post-tensioned slabs based on soil borings, and we route underground plumbing with backflow prevention and proper bedding. The foundation solution is specified in your written quote, not left as an “allowance” that becomes a change order. Call (754) 714-6540 for a site-specific assessment.
We map every staging decision before permit: dumpster placement on the swale or street with proper permitting, material delivery windows that don’t block driveways, party-wall notice for zero-lot-line or shared-wall properties, and work hours that comply with Dania Beach noise ordinances. Our crews are background-checked and uniformed; the documented photo record from every visit shows what was done and when. Neighbors get less disruption, and you get fewer mid-project complaints that stall the schedule.
A realistic detached ADU quote in Dania Beach runs $90,000-$220,000 and includes: site survey and soil borings, FAA filing if crane work is required, structural engineering for the foundation type, permit and inspection fees, rough-in and finish, and the documented photo record as standard. The written scope names the brands, the specs, and the warranty terms. No line item is marked “TBD” or “allowance.” Call (754) 714-6540 to schedule your free estimate - we’ll deliver the full written price before any work starts.
Written by Grant Rowan, Owner at Rowan Construction Group, serving Dania Beach and South Florida since 2007.