The Address Index
Observed public-record sale

549 Round Hill Road

Recorded September 25, 2009 in Greenwich, Connecticut.

Recorded sale price$4.50MHigh evidence
Transaction record
Sale price
$4,500,000
Recorded date
Sep 25, 2009
Assessment on sale record
$3,050,250
Evidence
Official state transaction and reported property type
Confidence
High
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Latest public parcel profile
Main living area
1,092 sq. ft.
Land
7.42 acres
Year built
1952
Bedrooms
1
Total rooms
3
2025 assessed total
$2,555,700
Assessment neighborhood
180100

Parcel facts are the latest owner-free public assessment context and may postdate this transaction.

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Synthetic Twin

No test-set comparison on this record

This sale is not one of the untouched historical transactions used to evaluate Synthetic Twin. We do not generate or backfill a property projection merely to fill the space.

Observed history at this normalized address

2 recorded sales

Dec 17, 2024$3.00MHighView
Sep 25, 2009$4.50MHighCurrent record
Method guardrail

Nothing here is a fictional transaction

The sale row is preserved from a real public record, with its source and evidence grade. Where government sources conflict materially, the transaction is excluded rather than averaged into a made-up price. Model outputs, when available, appear in a separately labeled comparison panel.

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