NOT LISTED FOR SALE

643 Unknown Dr Sebastian, FL 32958

Estimated Value: $730,000

4 Beds
4 Baths
3,673 Sq Ft
$199/Sq Ft Est. Value

About This Home

This home is located at 643 Unknown Dr, Sebastian, FL 32958 and is currently estimated at $730,000, approximately $198 per square foot. 643 Unknown Dr is a home with nearby schools including Treasure Coast Elementary School, Sebastian River Middle School, and Sebastian River High School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Sep 16, 2025
Sold by
Fischer Henry Anthony and San Sebastian Properties Inc
Bought by
San Sebastian Springs Property Owners Associa
Current Estimated Value
$730,000

Purchase Details

Closed on
Jun 1, 2020
Sold by
Watson Susan E
Bought by
Monaco Matthew R and Monaco Tamara R

Purchase Details

Closed on
Sep 19, 2016
Sold by
The Northern Trust Company
Bought by
Watson Susan E

Purchase Details

Closed on
Oct 14, 2015
Sold by
The Northern Trust Company
Bought by
The Northern Trust Company
Source: Public Records

Range of Values:

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

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

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ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

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First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

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Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

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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

Date Buyer Sale Price Title Company
San Sebastian Springs Property Owners Associa -- None Listed On Document
Monaco Matthew R $70,000 Supreme Title Solutions Llc
Watson Susan E -- Attorney
The Northern Trust Company -- Attorney
Source: Public Records

Tax History Compared to Growth

Source: Public Records

Tax History

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
2024 $11,615 $791,278 -- --
2022 $1,131 $63,750 $63,750 $0
2021 $1,130 $63,750 $63,750 $0
2020 $1,130 $63,750 $63,750 $0
2019 -- $63,750 $63,750 $0
2018 -- $51,000 $51,000 $0
2017 -- $38,250 $0 $0
2016 -- $38,250 $0 $0
2015 -- $38,250 $0 $0
2014 -- $36,000 $0 $0
Source: Public Records

Map

Florida Indian River County Sebastian 32958

643 Unknown Dr, Sebastian, FL

Not Listed for Sale

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