263 Saint Thomas Ave, Key Largo, FL 33037 Property Records

Monroe County property record for 263 Saint Thomas Ave, Key Largo, FL 33037

Property Summary

Property Type	Duplex
Details	4 bd · 6 ba · 3,343 sqft · built 1989
Lot Size	0.215 acres (9,375 sqft)
Owner	Company Name on File
Last Sale	$1,260,000 (Jul 2017)
Tax Bill	$13,894 (2024)
Deeds & Mortgages	Jul 2017 Sale
Flood Zone	Zone AE (high risk)
APN	`00453473-000600`

Property Details

APN / Parcel Number

Primary APN	`00453473-000600`
Alternative APNs	`33613900453473000600` `1553867`

Interior

Bedrooms	4 Beds
Full Baths	6 Baths
Units	2 Units
Stories	3 Stories
Building Area	3,343 sqft Living Area
1st Floor Area	3,343 sqft
Flooring	Ceramic Tile
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1989
Effective Year Built	Effective 2010
Architectural Style	Duplex Single
Exterior Material	Concrete Block
Construction Type	Concrete Block
Foundation Type	Pile
Roof Type	Geodesic/Dome
Roof Material	Metal
Lot Area	9,375 sqft (0.215 acres)
Lot Dimensions	125 ft deep x 75 ft wide

Exterior Amenities

Pool Type	Spa / Hot Tub (No Pool)
Porch	Open Porch
Porch Area	2,540 sqft
Deck Area	1,600 sqft
Patio Area	2,341 sqft
Boat Access	Boat Access

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Account Number	1553867
Street Address	263 SAINT THOMAS AVE
City	KEY LARGO
State	FL
Zip	33037-4321
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	IS
Legal Description	LT 263 PORT LARGO THIRD ADDITION KEY LARGO PB6-58 OR485-741 OR754-712 OR836-2457 OR968-1335 OR1071-1237 OR1171-2447 OR1196-2184 OR1999-1424 OR2108-2255Q/C OR2864-807/08
Legal Range	39E
Legal Township	61S
Legal Section	33
Legal Subdivision	PORT LARGO 3RD ADD
Legal Lot Number	263
Jurisdiction	MONROE FL
Township / Civil Division	UPPER KEYS
Census Block Group	2
Census Block	2015
Census Tract	970500

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Listed Area	Within John Pennekamp Coral Reef State Park and Reserve listed 1972 · 10 contributing resources · NRIS 72000340

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

263 Saint Thomas Ave, a duplex, is owned by a company that bought it in July 2017.

Source: Monroe County records, as of April 14, 2026

Owner of Record	Company Name on File
Mailing Address	1901 NW 108TH AVE, MIAMI, FL 33172-2023
Owner Type	Company
Vesting	Limited Liability Company

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 12, 2017 · Amount on File
Deed Sale	Jul 12, 2017 · Amount on File
Prior Sale	Apr 29, 2005 · Amount on File
Deed Document Number	20172131064
Deed Book / Page	2864 / 807
Record Updated	Oct 29, 2026

July 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MONROE FL
Recording Date	Jul 12, 2017
Property Address	263 SAINT THOMAS AVE, KEY LARGO, FL 33037-4321
Document Number	0028640807
Book / Page	002864 / 000807
Instrument Date	Jul 10, 2017
Instrument	2131064
Transaction Type	Transfer
Record Updated	Jul 26, 2017
Title Company	ATTORNEY ONLY

Transaction

Amount	Amount on Record
Tax	$8,820.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1901 NW 108TH AVE MIAMI FL 331722023, MIAMI, FL 33172-2023

Tax Assessment & Valuation

Source: Monroe County assessment roll, as of December 8, 2025

Property Jurisdictions

Type	Name
State	Florida
County	Monroe County
Unified School District	Monroe County School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$2,000,920 Land $1,071,094 Building $929,826	$2,000,920 Land $1,071,094 Building $929,826
2024	$13,894.00 (+9.69%)
2023	$12,667.00 (+12.65%)	$1,757,275 (+12.39%) Land $1,010,156 Building $747,119	$1,757,275 (+12.39%) Land $1,010,156 Building $747,119
2022	$11,245.00	$1,563,501 Land $796,875 Building $766,626	$1,563,501 Land $796,875 Building $766,626

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

Flood

FEMA maps place 263 Saint Thomas Ave in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective September 24, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	8.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 595 individual policies
Community Rating System	Class 3 (35% premium discount)
Nearby Flood Policies	839 units insured incl. 244 condo units
Nearby Flood Claims	304 (1983–2025)
Claims Outside the SFHA	8 of 304
Most Recent Claim	Oct 2025 · rainfall accumulation
Claims by Event	Hurricane Irma, Sep 2017 · 221 claims Hurricane Irene, Oct 1999 · 24 claims Hurricane Georges, Sep 1998 · 24 claims

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

The area around 263 Saint Thomas Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection, based on 425 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20