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424 Sebastian Sq, Saint Augustine, FL 32095 Property Records

St. Johns County property record for 424 Sebastian Sq, Saint Augustine, FL 32095

Property Summary

Property TypeSingle Family Home
Details5 bd · 4 ba · 4,191 sqft · built 2005
Lot Size0.49 acres (21,344 sqft)
Owner2 Individual Names on File
Last Sale$585,000 (Jun 2015)
Tax Bill$12,282 (2025)
Flood ZoneZone X (minimal risk)
APN072091-0090

Property Details

APN / Parcel Number

Primary APN072091-0090

Interior

Bedrooms5 Beds
Full Baths4 Baths
Plumbing Fixtures20 Plumbing Fixtures
Stories1 Story
Building Area4,191 sqft Living Area
Gross Area5,198 sqft
1st Floor Area3,021 sqft
FlooringCarpet
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2005
Effective Year BuiltEffective 2005
Exterior MaterialStucco
Construction TypeWood
Foundation TypeConcrete
Roof TypeGable/Hip
Roof MaterialComposition Shingle
Lot Area21,344 sqft (0.49 acres)
Garage TypeAttached
Garage Area872 sqft
Parking Spaces3 Parking Spaces

Exterior Amenities

Pool Area450 sqft
PorchFinished Screened Porch
Porch Area498 sqft
Deck AreaDeck Area
Patio Area1,353 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Street Address424 SEBASTIAN SQ
CitySAINT AUGUSTINE
StateFL
Zip32095-6863
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodePUD
Legal Description50/35-39 MARSHALL CREEK DRI UNIT MUB-4 LOT 9 OR4048/1207
Legal Range29E
Legal Township06S
Legal Section04
Legal SubdivisionMARSHALL CREEK DRI UNIT MUB-4
Legal Block4
Legal Lot Number9
JurisdictionST JOHNS FL
Township / Civil DivisionST. AUGUSTINE
Census Block Group4
Census Block4056
Census Tract20606

Owner

424 Sebastian Sq is owned and occupied by two individuals who bought it in June 2015.

Source: St. Johns County records, as of June 17, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on File
Mailing Address424 SEBASTIAN SQ, SAINT AUGUSTINE, FL 32095-6863
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 26, 2015 · Amount on File
Deed SaleJun 26, 2015 · Amount on File
Prior SaleJul 5, 2011 · Amount on File
Deed Document Number201539674
Deed Book / Page4048 / 1207
Prior Transfer DateSep 27, 2005
Prior Transfer Doc0025670194
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 424 Sebastian Sq was $12,282 with a homeowner's exemption, up 8% from the year before.

Source: St. Johns County assessment roll, as of April 13, 2026

Property Jurisdictions

TypeName
StateFlorida
CountySt. Johns County
Unified School DistrictSt. Johns County School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$610,744 (+2.7%)$871,092 (-0.15%) Land $180,000 Building $691,092
2025$12,282.00 (+8.04%) Homeowner's exemption$594,687 (+2.9%)$872,369 (+7.48%) Land $180,000 Building $692,369
2024$11,368.00 (+2.34%) Homeowner's exemption$577,927 (+3%)$811,694 (+2.77%) Land $140,000 Building $671,694
2023$11,108.00 (+1.58%) Homeowner's exemption$561,094 (+3%)$789,808 (-0.63%) Land $140,000 Building $649,808
2022$10,935.00 Homeowner's exemption$544,751$794,812 Land $168,000 Building $626,812

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 424 Sebastian Sq in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective September 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone A, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 249 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies249 in force
Nearby Flood Claims3 (2016–2022)
Claims Outside the SFHA1 of 3
Most Recent ClaimNov 2022 · Hurricane Nicole

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 424 Sebastian Sq is moderate, ranking above 45% of the US, with a 0.08% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskModerate
above 45% of the US · lower than 84% of Florida
Wildfire Likelihood0.08% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemSJCU-NORTHEAST UTILITIES WS
serves 14,790 people · EPA ID FL2554475
Water SourcePurchased groundwater from JEA MAJOR GRID
Last State InspectionMar 2024
Also Mapped HereSJCU-CR214 MAINLAND WTP
Lead1 ppb (2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting3
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 191 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber		5,000 / 5,000
Xfinity
Fiber		2,000 / 2,000

May also be available: T-Mobile.

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