540 Sebastian Sq, Saint Augustine, FL 32095 Property Records

St. Johns County property record for 540 Sebastian Sq, Saint Augustine, FL 32095

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 3,846 sqft · built 2006
Lot Size	0.37 acres (16,117 sqft)
Owner	Individual Name on File
Last Sale	$615,000 (Jul 2019)
Tax Bill	$11,379 (2025)
Deeds & Mortgages	Jul 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`072091-0380`

Property Details

APN / Parcel Number

Primary APN	`072091-0380`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Plumbing Fixtures	18 Plumbing Fixtures
Stories	1 Story
Building Area	3,846 sqft Living Area
Gross Area	4,617 sqft
1st Floor Area	2,852 sqft
Flooring	Wood
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

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	16,117 sqft (0.37 acres)
Garage Type	Attached
Garage Area	771 sqft
Parking Spaces	3 Parking Spaces

Exterior Amenities

Pool Area	390 sqft
Porch	Finished/Open Porch
Porch Area	187 sqft
Deck Area	Deck Area
Patio Area	947 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	540 SEBASTIAN SQ
City	SAINT AUGUSTINE
State	FL
Zip	32095-4819
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 38 OR4753/923
Legal Range	29E
Legal Township	06S
Legal Section	04
Legal Subdivision	MARSHALL CREEK DRI UNIT MUB-4
Legal Block	4
Legal Lot Number	38
Jurisdiction	ST JOHNS FL
Township / Civil Division	ST. AUGUSTINE
Census Block Group	4
Census Block	4056
Census Tract	20606

Owner

540 Sebastian Sq is owned and occupied by an individual who bought it in July 2019.

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

Owner of Record	Individual Name on File
Mailing Address	540 SEBASTIAN SQ, SAINT AUGUSTINE, FL 32095-4819
Occupancy	Owner Occupied
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 3, 2019 · Amount on File
Deed Sale	Jul 3, 2019 · Amount on File
Prior Sale	Sep 23, 2014 · Amount on File
Deed Document Number	201947790
Deed Book / Page	4753 / 923
Record Updated	Oct 29, 2026

July 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ST JOHNS FL
Recording Date	Jul 3, 2019
Property Address	540 SEBASTIAN SQ, SAINT AUGUSTINE, FL 32095-4819
Document Number	0047530923
Book / Page	4753 / 0923
Map Reference	MB 50 PG 35-39
Instrument Date	Jun 28, 2019
Instrument	2019047790
Transaction Type	Transfer
Record Updated	May 2, 2022
Title Company	LANDMARK TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$4,305.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	109 N ROSCOE BLVD, 109, PONTE VEDRA BEACH, FL 32082-3209

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	540 SEBASTIAN SQ, SAINT AUGUSTINE, FL 32095-4819

Mortgage

Document Number	0004753925
Date	Jul 3, 2019
Instrument	4753/925

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 540 Sebastian Sq was $11,379 with a homeowner's exemption, up 8.2% from the year before.

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

Property Jurisdictions

Type	Name
State	Florida
County	St. Johns County
Unified School District	St. Johns County School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$572,597 (+2.7%)	$837,644 (-4.08%) Land $180,000 Building $657,644
2025	$11,379.00 (+8.24%) Homeowner's exemption	$557,543	$873,241 Land $180,000 Building $693,241
2024	$10,513.00 (+2.45%)
2023	$10,262.00 (+1.62%) Homeowner's exemption	$526,049 (+3%)	$770,084 (+1.1%) Land $140,000 Building $630,084
2022	$10,098.00 Homeowner's exemption	$510,727	$761,712 Land $168,000 Building $593,712

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

Flood

FEMA maps place 540 Sebastian Sq in Zone X, an area of minimal flood risk, within 100 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 100 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

Wildfire risk around 540 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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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