The Address Index
Observed public-record sale

400 Sound Beach Avenue

Recorded December 2, 2022 in Greenwich, Connecticut.

Recorded sale price$3.65MHigh evidence
Transaction record
Sale price
$3,650,000
Recorded date
Dec 2, 2022
Assessment on sale record
$1,894,830
Evidence
Official state transaction and reported property type
Confidence
High
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Latest public parcel profile
Main living area
3,913 sq. ft.
Land
0.53 acres
Year built
1899
Bedrooms
5
Total rooms
11
2025 assessed total
$2,428,440
Assessment neighborhood
111060

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 2, 2022$3.65MHighCurrent record
Jun 16, 2017$2.15MHighView
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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