St. Johns County property record for 400 Sebastian Sq, Saint Augustine, FL 32095
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,826 sqft · built 2006 |
| Lot Size | 0.43 acres (18,730 sqft) |
| Owner | Company Name on File |
| Last Sale | $179,000 (Aug 2005) |
| Tax Bill | $9,669 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 072091-0030 |
| Primary APN | 072091-0030 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 1 Story |
| Building Area | 2,826 sqft Living Area |
| Gross Area | 3,717 sqft |
| 1st Floor Area | 2,826 sqft |
| Flooring | Wood |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Exterior Material | Brick |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 18,730 sqft (0.43 acres) |
| Garage Type | Attached |
| Garage Area | 710 sqft |
| Porch | Finished Screened Porch |
| Porch Area | 211 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 400 SEBASTIAN SQ |
|---|---|
| City | SAINT AUGUSTINE |
| State | FL |
| Zip | 32095-6863 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 50/35-39 MARSHALL CREEK DRI UNIT MUB-4 LOT 3 |
| Legal Range | 29 |
| Legal Township | 06 |
| Legal Section | 04 |
| Legal Subdivision | MARSHALL CREEK DRI UNIT MUB-4 |
| Legal Block | 4 |
| Legal Lot Number | 3 |
| Jurisdiction | ST JOHNS FL |
| Township / Civil Division | ST. AUGUSTINE |
| Census Block Group | 4 |
| Census Block | 4056 |
| Census Tract | 20606 |
400 Sebastian Sq is owned by a company that bought it in August 2005.
Source: St. Johns County records, as of April 13, 2026
| Owner of Record | Company Name on File |
|---|---|
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 29, 2005 · Amount on File |
| Deed Sale | Aug 29, 2005 · Amount on File |
| Deed Document Number | 200570822 |
| Deed Book / Page | 2522 / 598 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 400 Sebastian Sq was $9,669, up 7.4% from the year before.
Source: St. Johns County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | Florida |
| County | St. Johns County |
| Unified School District | St. Johns County School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $412,338 | $687,461 Land $180,000 Building $507,461 | |
| 2025 | $9,669.00 (+7.41%) | ||
| 2024 | $9,002.00 (+2.48%) | ||
| 2023 | $8,784.00 (+1.43%) | ||
| 2022 | $8,660.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 400 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 Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 249 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 249 in force |
| Nearby Flood Claims | 3 (2016–2022) |
| Claims Outside the SFHA | 1 of 3 |
| Most Recent Claim | Nov 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 risk around 400 Sebastian Sq is moderate, ranking above 40% of the US, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 40% of the US · lower than 87% of Florida |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SJCU-NORTHEAST UTILITIES WS serves 14,790 people · EPA ID FL2554475 |
|---|---|
| Water Source | Purchased groundwater from JEA MAJOR GRID |
| Last State Inspection | Mar 2024 |
| Also Mapped Here | SJCU-CR214 MAINLAND WTP |
| Lead | 1 ppb (2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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.
Source: FCC Broadband Data Collection, based on 109 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Fiber · Cable in parts of the area | 2,000 / 2,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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