Home Addition Drawings · Boca Raton, FL
Permit-Ready Home Addition
Drawings for Boca Raton, FL
Expand your home with a permitted room addition, second story, or family room extension. We deliver complete, code-compliant drawing sets for Boca Raton's building department — in 10 business days, starting at $1,497.
14-day money-back guarantee · 10 business day turnaround
Local Intelligence
What Boca Raton Homeowners Need to Know Before Submitting
Size & Zoning Rules
Any new square footage added to your Boca Raton home counts against the same zoning envelope that governs ADU size, meaning large additions may affect your ability to add a future ADU. Boca Raton's current ADU size cap is 500 sq ft — on the tighter end, which constrains larger conversion plans.
Boca Raton does not impose an owner-occupancy requirement, so you can rent both the main home and any ADU or conversion as investment units.
If the addition creates a second unit or is later converted to a rental, Boca Raton's ADU market supports approximately $2,800/month for a 2-bedroom unit.
Permit Process & Fees
Development Services permit fees for this project type typically range from $2,500 to $10,000 depending on project valuation and scope. Plan check runs approximately 7 weeks — though each correction cycle adds 3–6 weeks, which is why code-compliant drawings matter so much.
Addition permit packages submitted to Development Services must include a site plan, floor plans, all four elevations, an electrical plan, and energy compliance documentation — plus stamped structural drawings are always required for any load-bearing elements, second-story work, or new foundation.
Visit Development Services ↗Construction Cost Context
Boca Raton's home addition construction costs run $200–$390 per square foot — a wide range driven by labor markets, local code complexity, and finish level. Our drawings are priced at a fraction of what a full-service architect would charge to produce the same permit set.
⚠ Common Pitfall in Boca Raton
Because Boca Raton sits within the state's coastal construction zone, most lots east of the Intracoastal will need a Coastal Development Permit on top of your standard building permit, which typically tacks on another 4-8 weeks of review through Development Services before you can even schedule your first inspection. Many older Boca Raton neighborhoods, especially those built in the 1970s and 80s, still have galvanized or clay lateral sewer lines that Palm Beach County Water Utilities won't let you tie an ADU into without an upsized connection, so budget for a possible sewer lateral replacement the plans examiner may flag mid-review. Also worth knowing: since short-term rentals aren't allowed here, if your HOA docs are silent on ADUs specifically, the board can still deny your design on architectural review grounds even after the city approves your permit — so get HOA sign-off in writing before you pour a slab.
Expert Verdict — Marcus Reid, Licensed Designer
"In my experience, that 7-week timeline and $250/sqft figure are Boca Raton state-level estimates, not gospel — I'd call Development Services directly and get a couple of local contractor quotes before penciling in a start date, especially since the coastal overlay here almost always tacks on extra weeks for the CDP review that a lot of homeowners don't budget for. And with 60% of the market under HOA control on top of that, I've seen "quick" projects stretch by a month or more once design review boards get involved."
Market Context
Boca Raton has a median home value of $615,000. Comparable renovation projects in this market typically add 25% to resale value.
Neighborhoods in Boca Raton with the strongest home addition and resale value potential include University Park, Boca Square, Downtown Boca, Central Boca Raton, Boca Del Mar. High demand from FAU students and staff due to its immediate proximity to the university campus.
Permit Process
Permit applications are reviewed by the Development Services, with a plan check timeline of approximately 7 weeks. Permit fees in Boca Raton range from $2,500 to $10,000 depending on project scope. Design review: Yes - in historic districts and potentially subject to Community Appearance Board / Planning & Zoning / coastal-construction review depending on site/zoning.
Boca Raton falls within Seismic Design Category A, which affects structural requirements for any new addition tying into the existing structure.
Properties within Boca Raton's Coastal Overlay Zone require a Coastal Development Permit in addition to standard building permits.
Local Financing Resources
Local Home Addition Lenders in Boca Raton
These lenders offer HELOC, construction, and renovation loans for home addition projects in Palm Beach County. Compare terms before committing.
Offers HELOCs for home projects and renovations through Florida branches; contact Boca Raton branch for amounts and rates.
Visit Lender ↗Provides home equity lines with competitive rates and fast decisions; local SCCU branch serves Boca Raton.
Visit Lender ↗Offers HELOCs for renovations and construction financing; product page notes loan amounts from $5,000 up to $3 million.
Visit Lender ↗Regional bank with Boca Raton branches offering home equity loans and lines of credit for renovations; contact branch for ADU-specific terms.
Visit Lender ↗Fintech that partners with credit unions nationwide to underwrite renovation loans (RenoFi Loans); RenoFi’s product can finance large renovation projects and has been reported to lend up to 90% of after-renovation value.
Visit Lender ↗Build With A Plan is not affiliated with these lenders. Always compare rates and consult a mortgage professional.
Local Build Partners
Vetted Home Addition Contractors in Boca Raton
We draw the plans. These contractors build the addition. Independent — no referral fees paid or received.
Build With A Plan provides drawings only. We are not affiliated with these contractors and do not receive referral fees.
Drawing Package Details
What's Included in Your Boca Raton Home Addition Package
Transparent Pricing
Boca Raton Home Addition Drawing Packages
One-time fee. No retainer. No hourly billing.
- ✓Site plan
- ✓Floor plans (existing + proposed)
- ✓All 4 elevations
- ✓Electrical plan
- ✓Title 24 energy compliance
- ✓PDF + DWG delivery
- ✓10 business day turnaround
- ✓Everything in Starter
- ✓Stamped structural drawings
- ✓Foundation plan
- ✓Roof framing plan
- ✓Window & door schedules
- ✓1 round of revisions
- ✓Everything in Standard
- ✓3D rendering
- ✓Cross-section details
- ✓Material specifications
- ✓HOA submission package
- ✓2 rounds of revisions
- ✓Priority 5-day turnaround
After You Order
Your Addition Drawings in 3 Steps
Submit Your Project Details
Share your property address, existing floor plan (if available), and the addition scope. We assign your project coordinator within 4 business hours.
We Draft Your Drawings
Our team designs your complete addition drawing set — engineered for Boca Raton's building department requirements and FL CBC code. Delivered in 10 business days.
Submit to Your Building Dept
Download your complete package and submit to Development Services. We support plan check corrections at no extra charge.
Common Questions
Boca Raton Home Addition FAQs
Do I need a permit for a home addition in Boca Raton? +
Yes — any structural addition to your home in Boca Raton requires a building permit. This applies to room additions, second-story additions, sunrooms, and attached garages. You'll need permit-ready drawings before the building department will accept your application. Our packages are formatted specifically for Boca Raton's submittal requirements.
How much does a home addition cost in Boca Raton? +
Home additions in Boca Raton typically cost between $250.0–$350 per square foot depending on the scope, finishes, and structural complexity. A 600 sq ft addition ranges from $150,000 to $210,000. Second-story additions cost more than ground-floor extensions due to structural requirements. Our drawing packages start at $1,497 — a fraction of local architectural fees.
What drawings are required to permit a home addition in Boca Raton? +
Boca Raton's building department requires: a site plan showing the addition's footprint and setbacks, floor plans for all affected levels, all four exterior elevations, an electrical plan, and energy compliance (Title 24 in California). Structural plans stamped by a licensed engineer are required for any load-bearing elements — included in our Premium package.
How long does the permit process take for a home addition in Boca Raton? +
Plan check in Boca Raton typically takes 7 weeks for home additions. Additions with structural components may require additional review. Complete, code-compliant drawings significantly reduce correction cycles — each cycle adds 3–6 weeks. Our drawings are engineered to pass on the first submittal.
What setbacks apply to home additions in Boca Raton? +
Boca Raton enforces minimum setbacks from property lines for all additions: typically 4–5 ft side setbacks and 5 ft rear setbacks, though these vary by zoning district and lot size. Your addition must stay within the buildable envelope. Our site plan documents existing and proposed setbacks and flags any zoning variances required.
Do I need structural drawings for a home addition in Boca Raton? +
Yes, for most additions. Any load-bearing walls, new foundations, second-story construction, or roof structure changes require stamped structural drawings from a licensed engineer. California's CBC (California Building Code) and seismic requirements make structural plans mandatory for most addition types. Our Standard and Premium packages include stamped structural drawings.
How much do home addition drawings cost in Boca Raton? +
Our permit-ready home addition drawing packages for Boca Raton start at $1,497. Local architects and designers typically charge $3,000–$10,000+ for comparable drawing sets. Every package is engineered for FL code compliance and formatted for Boca Raton's building department. Turnaround is 10 business days with a 14-day money-back guarantee.
Will a home addition increase my home's value in Boca Raton? +
In Boca Raton, where median home values are approximately $615,000, a permitted home addition adds square footage that appraisers value as part of the home's gross living area. Return on investment varies by addition type — master suite additions, family room expansions, and additional bedrooms typically recoup 50–75% of project cost in appraised value in FL markets.
Can I add a second story to my home in Boca Raton? +
Second-story additions are permitted in most Boca Raton residential zones, subject to height limits and design review requirements. California generally requires ministerial permit approval, but some cities impose design compatibility or neighborhood compatibility review for second stories. Our drawings cover all levels including foundation upgrades, shear walls, and roof framing required for vertical additions.
Nearby Cities
Also Available in Boca Raton
Adding an ADU instead? See our ADU design service.
Next Steps
Ready to Move Forward With Your Boca Raton ADU?
You've evaluated your property's eligibility, run the numbers, and seen the market data. The next step is getting permit-ready architectural drawings to submit to Development Services.
Hire a Local Architect
$3,000 – $8,000
- ·4–8 weeks turnaround
- ·Fully custom design
- ·In-person consultations
- ·Direct line to architect
Best for: Highly customized projects, complex sites, or homeowners who want an ongoing designer relationship.
Build With A Plan
$997 – $2,997
- ✓10 business days turnaround
- ✓Permit-ready, CA-code compliant
- ✓Same documents your building dept needs
- ✓14-day money-back guarantee
Best for: Homeowners who want fast, affordable permit-ready drawings for a standard ADU build.
Both options produce permit-ready architectural drawings accepted by Development Services. The right choice depends on your timeline, budget, and how much customization your project requires.