St. Johns County property record for 451 Sebastian Sq, Saint Augustine, FL 32095
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 3,305 sqft · built 2006 |
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | Individual Name on File |
| Last Sale | $136,000 (Sep 2026) |
| Tax Bill | $10,410 (2025) |
| Deeds & Mortgages | Sep 2026 Sale & Mortgage Jun 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 072091-0720 |
| Primary APN | 072091-0720 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Plumbing Fixtures | 19 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 3,305 sqft Living Area |
| Gross Area | 4,037 sqft |
| 1st Floor Area | 2,252 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Foundation Type | Concrete |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 15,246 sqft (0.35 acres) |
| Garage Type | Attached |
| Garage Area | 732 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Slab |
| Porch Area | 304 sqft |
| Patio Area | 819 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 451 SEBASTIAN SQ |
|---|---|
| City | SAINT AUGUSTINE |
| State | FL |
| Zip | 32095-6865 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PUD |
| Legal Description | 50/35-39 MARSHALL CREEK DRI UNIT MUB-4 LOT 72 OR4047/52 & 4963/154(Q/C) & 6364/1128(DM) |
| Legal Range | 29E |
| Legal Township | 06S |
| Legal Section | 04 |
| Legal Subdivision | MARSHALL CREEK DRI UNIT MUB-4 |
| Legal Block | 4 |
| Legal Lot Number | 72 |
| Jurisdiction | ST JOHNS FL |
| Township / Civil Division | ST. AUGUSTINE |
| Census Block Group | 4 |
| Census Block | 4063 |
| Census Tract | 20606 |
451 Sebastian Sq is owned and occupied by an individual who bought it in September 2026.
Source: St. Johns County records, as of October 13, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 451 SEBASTIAN SQ, SAINT AUGUSTINE, FL 32095-6865 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Sep 23, 2026 | Quit Claim Deed, Transfer · VA Mortgage ROCKET MORTGAGE LLC |
| Jun 12, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage FLAGSTAR BANK FSB |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 23, 2026 · Amount on File |
| Deed Sale | Sep 23, 2026 · Amount on File |
| Prior Sale | Jun 24, 2015 · Amount on File |
| Deed Document Number | 202681075 |
| Deed Book / Page | 6441 / 675 |
| Prior Transfer Date | Sep 8, 2026 |
| Prior Transfer Doc | 0000081075 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ST JOHNS FL |
| Recording Date | Sep 23, 2026 |
| Property Address | 451 SEBASTIAN SQ, SAINT AUGUSTINE, FL 32095-6865 |
| Document Number | 0000081075 |
| Book / Page | 6441 / 675 |
| Instrument Date | Sep 8, 2026 |
| Instrument | 202681075 |
| Transaction Type | Transfer |
| Record Updated | Oct 6, 2026 |
| Title Company | ROCKET TITLE GROUP LLC, ROCKET CLOSE LLC |
| Amount | Amount on Record |
|---|---|
| Tax | $96,152.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 451 SEBASTIAN SQ, SAINT AUGUSTINE, FL 32095-6865 |
| Document Number | 0000081076, |
|---|---|
| Date | Sep 23, 2026 |
| Instrument | 202681076 |
| Name | ROCKET MORTGAGE LLC |
|---|
| Type | VA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Oct 1, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ST JOHNS FL |
| Recording Date | Jun 12, 2020 |
| Property Address | 451 SEBASTIAN SQ, SAINT AUGUSTINE, FL 32095-6865 |
| Document Number | 0049630154 |
| Book / Page | 4963 / 154 |
| Map Reference | MB 50 PG 35-39 |
| Instrument Date | Jun 5, 2020 |
| Instrument | 2020045813 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2021 |
| Title Company | LANDMARK TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 451 SEBASTIAN SQ, SAINT AUGUSTINE, FL 32095-6865 |
| Document Number | 4963157 |
|---|---|
| Date | Jun 12, 2020 |
| Instrument | 4963/157 |
| Name | FLAGSTAR BANK FSB |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2050 |
The 2025 property tax bill for 451 Sebastian Sq was $10,410, down 18.1% 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 | $499,014 (+2.7%) | $785,908 (+6.36%) Land $205,000 Building $580,908 | |
| 2025 | $10,410.00 (-18.08%) Homeowner's exemption | $485,895 (-28.16%) | $738,912 (+9.25%) Land $180,000 Building $558,912 |
| 2024 | $12,707.00 (+35.2%) | $676,371 (+47.53%) | $676,371 (+1.72%) Land $140,000 Building $536,371 |
| 2023 | $9,399.00 (+1.57%) Homeowner's exemption | $458,448 (+3%) | $664,923 (+3.82%) Land $140,000 Building $524,923 |
| 2022 | $9,254.00 Homeowner's exemption | $445,095 | $640,482 Land $168,000 Building $472,482 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 451 Sebastian Sq in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 2016.
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 |
|---|---|
| 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 451 Sebastian Sq is low, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 63% of the US · lower than 89% 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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