Building permits, zoning and land rules in Mulberry, Florida

At a glance

Building permits

City Building Department; applications and plans uploaded to Accela¹

Zoning

City zoning and Official Zoning Map apply inside Mulberry²

Septic permits

DOH-Polk issues installation and repair permits³

RV living

Prohibited in recreational equipment on residential lots or unapproved locations⁴

Owner-builder

State exemption is conditional; building permits and code compliance still apply⁵

Wells

Well-construction applications go to SWFWMD⁶

City water

Individual connections and meters are the city’s policy preference for residential unit projects⁷

Who to call

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Do you need a building permit in Mulberry, FL?

Plan on a building permit for covered construction in Mulberry: Florida law generally requires a permit before construction, alteration, repair or demolition, unless another law provides an exception.⁸ Mulberry’s Building Department directs applicants to upload new-construction plans and building permit applications into Accela.¹ Ask the city Building Department to classify your exact project and identify exemptions, fees and required inspections before work begins.¹

Florida’s owner-builder exemption allows qualifying homes for the owner’s own use and occupancy, with direct onsite supervision and a personally signed application; the exemption does not remove building permit or code requirements.⁵

Who issues building permits in Mulberry, and where do you apply?

Use the City of Mulberry Building Department for city building permit applications, with plans uploaded through the city’s Accela portal.¹ New-construction applicants must provide plot plans showing existing and proposed structures and setbacks from every property line; the city may also require a survey.¹ The city requests complete construction plans covering foundations, wall and roof sections, room dimensions and uses, and electrical, mechanical and plumbing details.¹ Heated or cooled structures need signed Florida Energy Efficiency Calculations, and the new-construction checklist also requests engineered truss details.¹ Applicants for other work must describe the intended scope to the Building Department.¹

Does Mulberry have zoning, lot-size rules and setbacks?

All land inside Mulberry is subject to the city’s land-use provisions and Official Zoning Map.² Mulberry’s residential district provisions cross-reference district-specific dimensional standards rather than supplying a single citywide lot size or setback.⁹ Ask the city Planning & Zoning Department for the parcel’s district and the applicable lot size, setbacks, height, lot coverage and dwelling-size standards before selecting a house plan.¹⁰

For zoning approval, Mulberry directs applicants to choose the appropriate city application and submit it with the applicable fee to the Planning & Zoning Department.¹⁰ For property outside city limits, use the Polk County guide for the county’s unincorporated-area zoning answer.¹¹

How do septic permits work inside Mulberry?

Septic installation and repair inside Mulberry require a permit from DOH-Polk, rather than a city building permit alone.³ DOH-Polk evaluates, permits and inspects new and repaired septic systems, and septic tank permits are available through the Bartow Environmental Public Health Office.¹²¹³ Registered septic tank contractors or licensed plumbers may perform septic work; a homeowner may make repairs only at the homeowner’s personally occupied residence.³

Polk County’s soil data rates only 1.6% of soils “not limited” for conventional septic drain fields; that countywide rating calls for a site evaluation and potentially an engineered system, rather than proving septic is impossible on a Mulberry lot.¹⁴

Can you live in an RV or tiny home in Mulberry?

Mulberry prohibits living, sleeping or housekeeping in recreational equipment parked or stored on a residential lot, or anywhere in the city not approved for that use.⁴ Mulberry allows RV parks through special-exception approval in the MH district and RV campgrounds through special-exception approval in the OR district.⁴ Buying a residential lot therefore does not provide an RV living option while a house is built.⁴

We could not confirm Mulberry’s classification or occupancy rules for tiny homes or accessory dwellings; ask the city Planning & Zoning Department to classify the proposed dwelling before buying or ordering it.¹⁰

Building a home in Mulberry: what are the steps, in order?

1. Ask Mulberry Planning & Zoning to confirm the parcel’s district and the zoning approval application needed for your proposal.²¹⁰
2. Resolve wastewater approval with DOH-Polk if the home will use septic; installation requires a septic permit and evaluation.³¹²
3. Prepare the plot plan and complete construction plans required by Mulberry’s new-construction checklist, including energy calculations where the structure will be heated or cooled.¹
4. Upload the building permit application and plans into the city’s Accela portal, and ask the Building Department for the project’s inspection and occupancy requirements.¹
5. If acting as an owner-builder, arrange the required direct onsite supervision and satisfy the local permitting agency’s owner-builder requirements.⁵

What should you check before buying land in Mulberry?

Ask Mulberry’s utilities office how the proposed home will receive water and wastewater service: the city prefers individual water connections and meters for living units in residential projects, with master meters allowed only under the stated discretionary conditions.⁷ Well-construction applications for Mulberry go to the Southwest Florida Water Management District.⁶

Mulberry’s flood-hazard rules require manufactured homes to meet foundation, anchoring, elevation and installation standards.¹⁵ Temporary RV placement in a flood-hazard area must meet the duration or highway-ready conditions, but those conditions do not override the city’s residential-lot occupancy prohibition.¹⁵⁴ Before assuming a parcel can be divided, note that Mulberry regulates subdivision lots crossed by rights-of-way and requires the applicable lot-size standard to be met on at least one side.¹⁶

Watch-outs

• Mulberry’s flood-hazard provisions for temporary RV placement do not authorize RV living on a residential lot.¹⁵⁴
• We could not confirm Mulberry’s driveway approval process or off-grid sanitation options; ask the city Building Department and DOH-Polk before designing access or wastewater systems.¹¹³
• Florida’s nonresidential farm-building exemption excludes residential dwellings and urban agriculture, and floodplain rules remain applicable.¹⁷

Sources

1. City of Mulberry Building Department (cityofmulberryfl.org)
2. Mulberry Unified Land Development Code, Article 2 general provisions (Mulberry), quoted and re-checked
3. Florida Department of Health in Polk County, septic tanks and OSTDS (Mulberry), quoted and re-checked
4. Mulberry Recreation Vehicle Parks and Campgrounds (Mulberry), quoted and re-checked
5. 2026 Florida Statutes § 489.103, Exemptions (Florida statewide rule), quoted and re-checked
6. Southwest Florida Water Management District permitting staff (Mulberry), quoted and re-checked
7. Mulberry City Water Service, section 19-26 (Mulberry), quoted and re-checked
8. F.S. 553.79 — Permits; applications; issuance; inspections (Florida statewide rule), quoted and re-checked
9. Mulberry Unified Land Development Code, Article 2 general provisions (Mulberry), quoted and re-checked
10. City of Mulberry Planning & Zoning Department (cityofmulberryfl.org)
11. 2018 Eloise Community Redevelopment Plan Update, quoted and re-checked
12. Florida Department of Health in Polk County, septic tanks and OSTDS (Mulberry), quoted and re-checked
13. Florida Department of Health in Polk County (DOH-Polk), Environmental Public Health (polk.floridahealth.gov)
14. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
15. Mulberry Manufactured Homes (Mulberry), quoted and re-checked
16. Mulberry Requirements for Lots Divided by a Right-of-Way (Mulberry), quoted and re-checked
17. Florida Statutes § 604.50, Nonresidential farm buildings; farm fences; farm signs (Florida statewide rule), quoted and re-checked

Written October 11, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.