NOT LISTED FOR SALE

1319 William St Key West, FL 33040

Casa Marina Neighborhood

Estimated Value: $3,124,044 - $5,010,000

6 Beds
2 Baths
6,542 Sq Ft
$663/Sq Ft Est. Value

About This Home

This home is located at 1319 William St, Key West, FL 33040 and is currently estimated at $4,334,261, approximately $662 per square foot. 1319 William St is a home located in Monroe County with nearby schools including Horace O'Bryant School, Key West High School, and May Sands Montessori School.

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Closed on
Dec 9, 2025
Sold by
Bought by
Current Estimated Value
$4,334,261

Purchase Details

Closed on
Aug 30, 2024
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,490,415
Interest Rate
0.0677%
Mortgage Type
New Conventional

Purchase Details

Closed on
May 6, 2024
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,600,000
Interest Rate
0.18%
Mortgage Type
Balloon

Purchase Details

Closed on
Jan 17, 2024
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$716,000
Interest Rate
0.0703%
Mortgage Type
New Conventional

Purchase Details

Closed on
Aug 21, 2023
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,152,800
Interest Rate
0.0613%
Mortgage Type
New Conventional

Purchase Details

Closed on
May 2, 2023
Sold by
Bought by

Purchase Details

Closed on
Jul 16, 2018
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,725,000
Interest Rate
0.045%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Jun 1, 1992
Bought by

Purchase Details

Closed on
Sep 1, 1986
Bought by
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

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ICE

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First American

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Quantarium

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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
-- None Listed On Document
$1,995,000 None Listed On Document
$1,908,000 None Listed On Document
$1,800,000 None Listed On Document
$1,441,000 None Listed On Document
$1,800,000 None Listed On Document
$2,300,000 None Listed On Document
$440,000 --
$270,000 --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Previous Owner $1,490,415
Previous Owner $1,600,000
Previous Owner $716,000
Previous Owner $1,152,800
Previous Owner $1,725,000
Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $27,712 $3,045,387 $1,829,652 $1,215,735
2024 $26,548 $3,274,978 $2,242,872 $1,032,106
2023 $26,548 $3,274,978 $2,242,872 $1,032,106
2022 $28,567 $3,878,629 $2,081,500 $1,797,129
2021 $26,172 $3,063,770 $1,368,500 $1,695,270
2020 $24,701 $3,013,517 $1,265,000 $1,748,517
2019 $20,743 $2,135,971 $1,368,500 $767,471
2018 $1,256 $1,419,480 $955,420 $464,060
2017 $1,256 $1,420,262 $0 $0
2016 $1,219 $1,485,348 $0 $0
2015 $1,184 $1,511,148 $0 $0
2014 $1,155 $1,509,674 $0 $0
Source: Public Records

Map

Florida Monroe County Key West 33040 Casa Marina

1319 William St, Key West, FL

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

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