143 Dorsett Dr, Marathon, FL 33050 Property Records

Monroe County property record for 143 Dorsett Dr, Marathon, FL 33050

Property Summary

Property Type	Duplex
Details	4 bd · 3.5 ba · 2,000 sqft · built 2024
Lot Size	0.942 acres (41,016 sqft)
Owner	2 Individual Names on File
Last Sale	$2,550,000 (Aug 2023)
Tax Bill	$21,084 (2025)
Deeds & Mortgages	Aug 2023 Sale Jan 2017 Sale
Flood Zone	Zone VE (high risk)
APN	`00376450-000000`

Property Details

APN / Parcel Number

Primary APN	`00376450-000000`
Alternative APNs	`19653400376450000000` `1459526`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Units	2 Units
Stories	1 Story
Building Area	2,000 sqft Living Area
1st Floor Area	2,000 sqft
Flooring	Plywood
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2024
Effective Year Built	Effective 2024
Architectural Style	Duplex Single
Exterior Material	Stucco
Construction Type	Frame
Foundation Type	Pile
Roof Type	Hip
Roof Material	Metal
Lot Area	41,016 sqft (0.942 acres)
View / Lot	Waterfront
Garage Type	Covered
Garage Area	2,576 sqft

Exterior Amenities

Porch	Open Porch
Porch Area	436 sqft
Patio Area	1,516 sqft
Boat Access	Boat Access

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Account Number	1459526
Street Address	143 DORSETT DR
City	MARATHON
State	FL
Zip	33050-6014
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	IS
Legal Description	LOTS 12, 13, 14 AND RESERVED PARCEL / AMENDED PLAT OF DORSETT SUBD PB2-153 GRASSY KEY PT OF GOV LOT 1 SEC 19 TWP-65S RGE-34E RESERVED OR75-257 OR93-425 OR184-488 OR405-811 OR585-301 OR651-477 OR652-27 OR892-430 OR1418-819 OR1418-822 OR2833-920 OR3238
Legal Range	34E
Legal Township	65S
Legal Section	19
Legal Subdivision	DORSETT SUBD AMD
Legal Lot Number	1,12-
Jurisdiction	MONROE FL
Township / Civil Division	MIDDLE KEYS
Census Block Group	2
Census Block	2016
Census Tract	971002

Owner

143 Dorsett Dr, a duplex, is owned by two individuals who bought it in August 2023.

Source: Monroe County records, as of September 30, 2026

Owner of Record	2 Individual Names on File
Mailing Address	14980 SW 146TH CT, MIAMI, FL 33186-5649
Owner Type	Individual
Vesting	Husband and Wife

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

Date	Document
Aug 14, 2023	Warranty Deed, Transfer ATTORNEY ONLY, ATTORNEY
Jan 4, 2017	Warranty Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 14, 2023 · Amount on File
Deed Sale	Aug 14, 2023 · Amount on File
Prior Sale	Jan 4, 2017 · Amount on File
Deed Document Number	20232428383
Deed Book / Page	3238 / 820
Record Updated	Oct 29, 2026

August 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MONROE FL
Recording Date	Aug 14, 2023
Property Address	143 DORSETT DR, MARATHON, FL 33050-6014
Document Number	0032380820
Book / Page	3238 / 820
Map Reference	MB 2 PG 153
Instrument Date	Aug 11, 2023
Instrument	2428383
Transaction Type	Transfer
Record Updated	Dec 8, 2025
Title Company	ATTORNEY ONLY, ATTORNEY

Transaction

Amount	Amount on Record
Tax	$17,850.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1498 HUBBARD DR, FORNEY, TX 75126-5321

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	14980 SW 146TH CT, MIAMI, FL 33186-5649
Investor	Possibly a Property Investor

January 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MONROE FL
Recording Date	Jan 4, 2017
Property Address	143 DORSETT DR, MARATHON, FL 33050-6014
Document Number	0028330920
Book / Page	002833 / 000920
Instrument Date	Dec 29, 2016
Instrument	2105327
Transaction Type	Transfer
Record Updated	Feb 21, 2017
Title Company	ATTORNEY ONLY

Transaction

Amount	Amount on Record
Tax	$9,800.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	1498 HUBBARD DR FORNEY TX 751265321, FORNEY, TX 75126-5321

Tax Assessment & Valuation

The 2025 property tax bill for 143 Dorsett Dr was $21,084, down 1.3% from the year before.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$21,084.00 (-1.26%)	$2,291,066 Land $1,597,082 Building $693,984	$2,291,066 Land $1,597,082 Building $693,984
2024	$21,354.00 (+30.02%)
2023	$16,424.00 (+5.92%)	$1,642,211 (+3.1%) Land $1,234,126 Building $408,085	$1,642,211 (+3.1%) Land $1,234,126 Building $408,085
2022	$15,506.00	$1,592,888 Land $1,175,604 Building $417,284	$1,592,888 Land $1,175,604 Building $417,284

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

Flood

FEMA maps place 143 Dorsett Dr in Zone VE, a high-risk coastal 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 VE high risk · coastal, wave action
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	12.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 484 individual policies
Community Rating System	Class 3 (35% premium discount)
Nearby Flood Policies	530 units insured incl. 46 condo units
Nearby Flood Claims	316 (1995–2017)
Most Recent Claim	Sep 2017 · Hurricane Irma
Claims by Event	Hurricane Irma, Sep 2017 · 198 claims Hurricane Wilma, Oct 2005 · 51 claims Hurricane Georges, Sep 1998 · 55 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

Wildfire risk around 143 Dorsett Dr is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 98% of the US · lower than 97.6% of Florida
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 74 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250

May also be available: T-Mobile, Verizon.

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