Home Addition Drawings · Marana, AZ
Permit-Ready Home Addition
Drawings for Marana, AZ
Expand your home with a permitted room addition, second story, or family room extension. We deliver complete, code-compliant drawing sets for Marana's building department — in 10 business days, starting at $1,497.
14-day money-back guarantee · 10 business day turnaround
Local Intelligence
What Marana Homeowners Need to Know Before Submitting
Size & Zoning Rules
Any new square footage added to your Marana home counts against the same zoning envelope that governs ADU size, meaning large additions may affect your ability to add a future ADU. Marana's current ADU size cap is 1,000 sq ft — within the typical range for most floor plan configurations.
Marana 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, Marana's ADU market supports approximately $1,772/month for a 2-bedroom unit.
Permit Process & Fees
Town''s Development Services department permit fees for this project type typically range from $3,000 to $20,000 depending on project valuation and scope. Plan check runs approximately 5 weeks — though each correction cycle adds 3–6 weeks, which is why code-compliant drawings matter so much.
Addition permit packages submitted to Town''s Development Services 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 Town''s Development Services department ↗Construction Cost Context
Marana's home addition construction costs run $210–$294 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 Marana
Many Marana lots still rely on private wells or septic systems instead of municipal hookups, and Pima County Environmental Quality has to sign off before Development Services will even look at your ADU plans — that approval alone can eat several weeks if your septic system needs a capacity upgrade to handle the extra bedroom. Marana also enforces a separate outdoor lighting code tied to its dark-sky ordinance near the Tortolita Mountains, so any exterior fixtures on the ADU need shielding specs called out on your plans or you'll get bounced back during review. If you're planning to use the unit as a short-term rental, double check your specific parcel isn't inside one of the town's older platted subdivisions with recorded CC&Rs restricting rentals — the town will issue the permit even if your HOA wouldn't allow the use.
Expert Verdict — Marcus Reid, Licensed Designer
"In my experience with Marana ADU projects, that 5-week plan check timeline and $300/sqft cost figure are Marana state-level estimates, not verified local numbers — I'd call Marana's Development Services directly and get at least two local contractor quotes before budgeting, since incomplete drawing sets routinely push timelines past 8-10 weeks in my files. STR being allowed is a genuine upside here, but don't let that optimism bleed into your cost and schedule assumptions — those two line items are where I see the most surprises."
Market Context
Marana has a median home value of $445,000. Comparable renovation projects in this market typically add 20% to resale value.
Neighborhoods in Marana with the strongest home addition and resale value potential include Continental Ranch, Gladden Farms, Acacia Trails, Saguaro Bloom, Countryside. High single-family density, established community near jobs and amenities makes it ideal for ADUs.
Permit Process
Permit applications are reviewed by the Town''s Development Services department, with a plan check timeline of approximately 5 weeks. Permit fees in Marana range from $3,000 to $20,000 depending on project scope.
Marana 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 Marana
These lenders offer HELOC, construction, and renovation loans for home addition projects in Pima County. Compare terms before committing.
One-time-close construction and renovation loans across Arizona; local support; subject to credit approval.
Visit Lender ↗HELOC lines $10,000–$400,000; variable/fixed options; closing costs may be covered if open 36+ months.
Visit Lender ↗Marana-specific construction loan servicing — new builds, renovations, owner-builder options; contact for rates.
Visit Lender ↗HELOC up to 80% LTV (minus mortgage), min $15,000, variable APR as low as 6.25%; membership required.
Visit Lender ↗RenoFi supplies renovation underwriting and RenoFi Loans through credit union partners nationwide — useful for ADU/renovation financing.
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 Marana
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 Marana Home Addition Package
Transparent Pricing
Marana 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 Marana'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 Town''s Development Services department. We support plan check corrections at no extra charge.
Common Questions
Marana Home Addition FAQs
Do I need a permit for a home addition in Marana? +
Yes — any structural addition to your home in Marana 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 Marana's submittal requirements.
How much does a home addition cost in Marana? +
Home additions in Marana typically cost between $350.0–$450 per square foot depending on the scope, finishes, and structural complexity. A 600 sq ft addition ranges from $210,000 to $270,000. 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 Marana? +
Marana'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 Marana? +
Plan check in Marana typically takes 5 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 Marana? +
Marana 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 Marana? +
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 Marana? +
Our permit-ready home addition drawing packages for Marana 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 Marana'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 Marana? +
In Marana, where median home values are approximately $445,000, 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 Marana? +
Second-story additions are permitted in most Marana 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 Marana
Adding an ADU instead? See our ADU design service.
Next Steps
Ready to Move Forward With Your Marana 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 Town''s Development Services 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 Town''s Development Services department. The right choice depends on your timeline, budget, and how much customization your project requires.