Home Addition Drawings · Florence, AZ
Permit-Ready Home Addition
Drawings for Florence, AZ
Expand your home with a permitted room addition, second story, or family room extension. We deliver complete, code-compliant drawing sets for Florence's building department — in 10 business days, starting at $1,497.
14-day money-back guarantee · 10 business day turnaround
Local Intelligence
What Florence Homeowners Need to Know Before Submitting
Size & Zoning Rules
Any new square footage added to your Florence home counts against the same zoning envelope that governs ADU size, meaning large additions may affect your ability to add a future ADU. Florence's current ADU size cap is 1,000 sq ft — within the typical range for most floor plan configurations.
Florence 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, Florence's ADU market supports approximately $1,339/month for a 2-bedroom unit.
Permit Process & Fees
Community Development Department permit fees for this project type typically range from $8,923 to $12,461 depending on project valuation and scope. Plan check runs approximately 8 weeks — though each correction cycle adds 3–6 weeks, which is why code-compliant drawings matter so much.
Addition permit packages submitted to Community Development Department 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 Community Development Department ↗Construction Cost Context
Florence's home addition construction costs run $200–$280 per square foot — a moderate 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 Florence
Many Florence lots still run on private septic systems instead of municipal sewer, so the Community Development Department will require a Pinal County Environmental Health septic capacity review before they'll even accept your ADU application — and if your existing tank was sized only for the main house, you're looking at a full septic upgrade that can run $10,000+ and add several weeks to your timeline. Also, since Florence sits outside any coastal or major floodplain overlay, most delays actually come from irrigation easements tied to old agricultural parcels; the town often requires proof that your ADU footprint doesn't sit on a canal right-of-way tied to the San Carlos Irrigation District, which means pulling historical plat records that most homeowners don't know exist.
Expert Verdict — Marcus Reid, Licensed Designer
"In my experience with Florence's 96% HOA saturation, that 8-week timeline and $250/sqft figure are state-level estimates, not a reflection of what's happening on the ground here — I'd call the Community Development Department directly and get at least two local contractor quotes before penciling in a budget. What the data also doesn't show is the HOA architectural review layer, which routinely adds weeks on top of the municipal plan check clock, so don't assume those two processes run in parallel."
Market Context
Florence has a median home value of $270,000. Comparable renovation projects in this market typically add 21% to resale value.
Neighborhoods in Florence with the strongest home addition and resale value potential include Anthem at Merrill Ranch, Magma Ranch, Mesquite Trails, Florence Gardens, Quail Run. High-end master-planned community with larger lots and strong demand for multi-generational living space.
Permit Process
Permit applications are reviewed by the Community Development Department, with a plan check timeline of approximately 8 weeks. Permit fees in Florence range from $8,923 to $12,461 depending on project scope. Design review: Yes - in historic districts only.
Florence falls within Seismic Design Category B, which affects structural requirements for any new addition tying into the existing structure.
Local Financing Resources
Local Home Addition Lenders in Florence
These lenders offer HELOC, construction, and renovation loans for home addition projects in Pinal County. Compare terms before committing.
OneAZ advertises one-time-close construction loans up to $3,000,000 with 80% financing available.
Visit Lender ↗Local Pinal County credit union offering HELOCs with borrowing up to 90% CLTV and up to $200,000.
Visit Lender ↗Large Arizona credit union offering competitive HELOC rates suitable for home improvements and ADU funding.
Visit Lender ↗Offers custom home improvement and construction loans marketed for major renovations or building new homes.
Visit Lender ↗Specialty platform partnering with credit unions to offer ADU-specific financing programs and resources.
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 Florence
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 Florence Home Addition Package
Transparent Pricing
Florence 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 Florence's building department requirements and AZ CBC code. Delivered in 10 business days.
Submit to Your Building Dept
Download your complete package and submit to Community Development Department. We support plan check corrections at no extra charge.
Common Questions
Florence Home Addition FAQs
Do I need a permit for a home addition in Florence? +
Yes — any structural addition to your home in Florence 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 Florence's submittal requirements.
How much does a home addition cost in Florence? +
Home additions in Florence typically cost between $240.0–$320 per square foot depending on the scope, finishes, and structural complexity. A 600 sq ft addition ranges from $144,000 to $192,000. 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 Florence? +
Florence'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 Florence? +
Plan check in Florence typically takes 8 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 Florence? +
Florence 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 Florence? +
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 Florence? +
Our permit-ready home addition drawing packages for Florence start at $1,497. Local architects and designers typically charge $3,000–$10,000+ for comparable drawing sets. Every package is engineered for AZ code compliance and formatted for Florence'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 Florence? +
In Florence, where median home values are approximately $270,000, 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 AZ markets.
Can I add a second story to my home in Florence? +
Second-story additions are permitted in most Florence 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 Florence
Adding an ADU instead? See our ADU design service.
Next Steps
Ready to Move Forward With Your Florence 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 Community Development Department.
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 Community Development Department. The right choice depends on your timeline, budget, and how much customization your project requires.