Taxes & Insurance in Middleburg
Middleburg, as unincorporated Clay County territory, pays only the county's millage with no added city layer -- a genuine structural advantage over incorporated Clay County towns like Orange Park -- while Black Creek, which runs through the community, is the local flood-risk factor worth understanding before buying.
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Learn moreClay County millage, with no separate municipal layer
Clay County's 2025 total certified millage runs approximately 15.05 mills for a typical unincorporated parcel, of which roughly 6.27 mills funds schools, with the remainder covering county and special-district services, per Ownwell and Momentum Realty analysis of Clay County Property Appraiser data (cited in this dataset's Orange Park research). Effective tax rates typically run about 0.98%-1.5% of assessed value. Because Middleburg is unincorporated -- unlike Orange Park, which adds its own 5.7000-mill municipal levy on top of the county rate -- a Middleburg parcel generally pays the county rate directly, without an added city millage layer, a genuine structural difference worth knowing when comparing the two Clay County markets in this dataset.
Homestead exemption and Save Our Homes cap apply statewide
Florida's 2026 homestead exemption totals $51,411 for a primary residence, and the Save Our Homes cap limits annual assessed-value growth to 2.7% for 2026 once homesteaded -- the same statewide rules that apply in every Florida city and unincorporated community alike.
Homeowners insurance runs well below the coastal markets in this dataset
Clay County's average homeowners insurance premium was $2,492 per year according to the Florida Office of Insurance Regulation's January 2025 report, with other estimates putting the typical range at $2,000-$3,000 annually, per this dataset's Orange Park research -- a meaningfully lower and more moderate cost than the Jacksonville beach towns' coastal exposure, consistent with Middleburg's inland, non-coastal location.
Black Creek is the community's defining flood-risk factor
Middleburg's historic core sits directly along Black Creek, a St. Johns River tributary. This dataset's Orange Park research already flags 'the Black Creek system' as a real storm-surge and flood exposure factor for that part of Clay County; the same creek runs directly through Middleburg itself, making it a more direct, first-order consideration here than for Orange Park. No Middleburg-specific FEMA flood-zone percentage was independently confirmed this session -- get a parcel-level flood-zone check for any specific Middleburg address, particularly near the creek itself, rather than assuming a countywide average applies uniformly.
Key takeaways
- Clay County's 2025 typical millage runs about 15.05 mills (roughly 6.27 mills for schools); as unincorporated territory, Middleburg pays this directly with no added city millage layer, unlike incorporated Orange Park.
- Florida's 2026 homestead exemption ($51,411) and 2.7% Save Our Homes cap apply statewide.
- Clay County homeowners insurance averages about $2,492/year (FL OIR, January 2025) -- notably lower than the Jacksonville beach towns' coastal rates.
- Black Creek runs directly through Middleburg's historic core and is a real, documented flood-risk factor for Clay County generally -- get a parcel-specific FEMA flood-zone check for any address near the creek.
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