Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Additions & ADU Across Tamarac
A home addition or ADU in Tamarac typically runs $45,000-$130,000 for attached construction and $90,000-$220,000 for detached ADU work, with garage conversions falling between $30,000-$80,000 depending on code-compliance scope. We’re Rowan Construction Group, and our crews serve Tamarac from our Miami-area dispatch office - call (754) 714-6540 to schedule your free written estimate. We’ve worked the specific conditions here long enough to know that a quote on a 1960s-era CBS home without Broward County wind-load calculations and Miami-Dade NOA product approvals isn’t a real quote. It’s a problem waiting for a change order.
Why Rowan Construction Group Pompano Beach Is Tamarac’s Preferred Home Additions & ADU Company
We’ve delivered flat written prices on over 4,000 projects since 2007, and a growing share of those have been in Tamarac’s dense cluster of mid-century planned-community homes. Our customers here leave reviews that mention the same things: the photo record they received at the end of each day, the signed change order that arrived before any extra work started, and the 365-Day Done Right Promise printed on every contract - backed by The Haven Standard, not an asterisk.
Response time to Tamarac runs same-day for initial consultations, with crews already routing through Broward County from nearby active jobs. We know the local inspectors by name, the permit portal’s current backlog, and which Tamarac neighborhoods - from the original Mainlands sections to the canal-fronting ranches off Commercial Boulevard - carry the specific headaches of 50-year-old CBS construction. That local fluency translates to scopes of work that don’t surprise you halfway through demolition.
Our Home Additions & ADU team includes background-checked, uniformed technicians who arrive with a documented photo record as standard - not an upgrade. A live person answers calls 24/7. And under Clause 1 of The Haven Standard, your written price arrives before anyone picks up a tool.
Our Home Additions & ADU Services in Tamarac

ADU Design & Permitting
Every ADU in Tamarac starts with a permit package that accounts for what your specific lot actually requires. On a 1960s CBS home, that means Broward County wind-load calculations for the addition’s connection schedule, Miami-Dade NOA product approvals for all openings, and a structural review that often exposes the original 100-amp panel or aluminum wiring as non-compliant. We price these code upgrades into the initial written scope - not as mid-job surprises. Our design team coordinates with Broward’s building department to sequence inspections so your project doesn’t sit idle between trades.

Garage Conversion ADU
Garage conversions are the most common ADU type we build in Tamarac, and they’re also where contractors cut corners that cost homeowners later. The existing slab must be underpinned to current footer depth, which in Tamarac often means excavating through a water table that sits within a few feet of grade - a condition contractors from higher-and-drier Coral Springs or Parkland routinely underestimate. On a canal-facing lot off NW 57th Street backing one of Tamarac’s 1960s-era internal canals, we took a 1972 CBS ranch through exactly this process: underpinning the slab through fluctuating groundwater, pulling a Broward County permit that forced us to bring the original 100-amp panel and aluminum wiring up to current code, and specifying Miami-Dade NOA-approved impact windows and a wind-load-rated connection schedule the inspector signed off on before we closed the walls. The old CBS seawall along the rear property line had to be stabilized before the addition footer could be poured, and the documented NOA approvals and inspection sign-off ended up supporting the owner’s wind-mitigation insurance credit.

New Detached ADU
A detached ADU on a Tamarac lot means new construction from the footer up, which triggers every current-code requirement without the partial exemptions that sometimes apply to conversions. The footer excavation hits the same near-surface water table; the roof assembly must meet Broward’s wind-load criteria; and every opening carries a Miami-Dade NOA number that the inspector verifies against the permit. We source materials from fifty-plus vetted brands - Owens Corning and Atlas for roofing assemblies, for example - so the written quote reflects actual product costs rather than inflated placeholders. The result is a flat price you can screenshot and compare, with every code-mandated line item visible.

Junior ADU & Interior Conversion
Junior ADUs and interior conversions within the existing envelope can sometimes avoid full foundation work, but in Tamarac’s 1960s CBS stock they rarely avoid electrical and plumbing upgrades. Opening walls on these homes routinely surfaces galvanized supply lines, aluminum branch circuits, or undersized panels that cannot remain as-is under Florida Building Code. Our scopes include exploratory openings with a written protocol for what happens when we find these conditions - and a signed change order process, under The Haven Standard, that keeps you informed before any additional work proceeds.

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.
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AfterTrusted Brands We Service in Tamarac
We maintain sourcing relationships with over fifty vetted material brands so that Tamarac customers receive honest numbers rather than inflated allowances. For the roofing and exterior envelope work that accompanies most additions here, we specify Owens Corning and Atlas shingle systems with Miami-Dade NOA documentation ready for permit submission. IKO and Tamko products are also available when the project spec or homeowner preference calls for them. Local material availability means we don’t pad quotes for freight delays, and our crews don’t sit waiting for a special order while your job clock runs.
Common Home Additions & ADU Problems We See in Tamarac Homes

- Wind-load and NOA documentation gaps in competitor quotes. A low bid on a Tamarac addition that omits Broward County’s wind-load calculation or specifies generic windows without Miami-Dade NOA numbers leaves you with an uninspectable structure - or worse, one your insurer won’t cover after the next storm.
- Water table surprises during footer excavation. Tamarac’s flat, drained-Everglades geography means groundwater within a few feet of grade on many lots. Contractors accustomed to Coral Springs or Parkland underbid dewatering and soil stabilization, then deliver a change order mid-dig.
- Latent electrical and plumbing conditions in 1960s CBS walls. Original aluminum wiring, 100-amp panels, and galvanized supply lines are standard in this housing stock. A scope of work that assumes these can remain as-is isn’t written for Tamarac.
- Failing canal seawalls destabilizing rear-yard addition footers. On canal-facing lots throughout the city, the original poured-concrete and CBS seawalls from the 1960s platted development are actively failing. Footer work near a compromised seawall requires stabilization first - a line item that belongs in the original quote, not a mid-project discovery.
Pricing for Home Additions & ADU in Tamarac, FL
Here is what construction actually costs in Tamarac’s market, with code compliance built in - not added later.
| Project Type | Price Range in Tamarac |
|---|---|
| Home Addition (attached) | $45,000 - $130,000 |
| ADU Construction (detached) | $90,000 - $220,000 |
| Garage Conversion ADU | $30,000 - $80,000 |
These ranges include the Broward County permit, wind-load engineering, Miami-Dade NOA product approvals, and the electrical and plumbing upgrades that 1960s CBS homes routinely require. What moves a project toward the top of the range: full electrical service replacement, extensive dewatering during footer excavation, seawall stabilization on canal lots, and high-end finish selections. We deliver a flat written price with a written scope before any work starts - Clause 1 of The Haven Standard. No “call for a quote” here. Call (754) 714-6540 for your free estimate.
We Also Serve Cities Near Tamarac

Our crews work throughout Broward and northern Miami-Dade counties, with active projects in Tamarac as well as Pompano Beach, Lighthouse Point, Lauderdale-by-the-Sea, and Coconut Creek. The same written-price discipline, documented photo record, and 365-Day Done Right Promise apply in every city we serve.
Serving Tamarac, FL - Our Local Coverage Area
We’re based in the Tamarac 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 Tamarac

Yes. Because Tamarac’s housing stock predates Florida’s post-Hurricane Andrew building code overhaul, virtually every addition or ADU triggers full compliance with current Florida Building Code, including Broward County wind-load calculations and Miami-Dade NOA product approvals for all openings. Rowan Construction Group prices these requirements into the initial written scope so they don’t appear as mid-job change orders. Call (754) 714-6540 for an exact quote - estimates are free.
Tamarac sits on former Everglades wetland with a high, fluctuating water table, so footer excavation often requires dewatering and soil stabilization that contractors in higher-and-drier Coral Springs or Parkland rarely encounter. We’ve seen groundwater within a few feet of grade on Commercial Boulevard corridor lots and throughout the Mainlands sections. Our quotes include this condition because we’ve built here before. Call (754) 714-6540 for a written estimate that reflects your specific lot.
Yes, but the seawall must be stabilized first. Tamarac’s 55-plus miles of internal canals include thousands of original 1960s poured-concrete and CBS seawalls now reaching end of life. Footer work near a compromised seawall without stabilization risks structural settlement and permit rejection. Rowan Construction Group assesses seawall condition during initial site evaluation and includes stabilization in the scope when needed. Call (754) 714-6540 to schedule your free site review.
Broward County requires wind-load calculations specific to your structure’s exposure, height, and roof configuration, with Miami-Dade NOA product approvals for windows, doors, and garage doors. Generic “hurricane-rated” claims without NOA documentation don’t pass inspection here. Our quotes specify exact NOA numbers for every opening, and our documented inspection sign-offs support your wind-mitigation insurance credit. Call (754) 714-6540 for a compliant scope of work.
Insurers increasingly require proof of code-compliant construction - permits pulled, inspections passed, NOA documentation on file - before extending or renewing wind coverage on renovated homes. Rowan Construction Group delivers a complete documentation package at project closeout, including the signed inspection record and product approvals that support your wind-mitigation form. On the NW 57th Street garage conversion, this documentation directly reduced the owner’s premium. Call (754) 714-6540 to discuss how we document your project for insurance compliance.
Written by Grant Rowan, Owner at Rowan Construction Group, serving Tamarac since 2007.







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