510-512 Waltham St #510, Lexington — property record card

Residential Condominium built in 2024 in Lexington, assessed at $3,510,000 for fiscal year 2026; last sold for $2,200,000 on May 23, 2025.

Rebuilt from the Lexington assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Lexington assessor’s office.

Parcel

Location	510-512 Waltham St #510, Lexington MA 02421
Map and parcel ID	24-96 24_96_510
Use	Residential Condominium (use code 1020)
County	Middlesex

Valuation — fiscal year 2026

Building	$3,510,000
Land	$0
Total assessed	$3,510,000

Building

Year built	2024
Style	CONDO RESID.
Living area	2,972 ft²
Rooms	7
Units	3

Last recorded sale

Price	$2,200,000
Date	May 23, 2025
Deed	Registry of Deeds book 84129, page 399

3 assessor accounts on this parcel

Condominium units or several buildings share one parcel; each has its own assessment.

Address	Account	Use	Assessed	Last sale
510-512 Waltham St	24_96	Other, Open Space	$0	$1,175,000 October 30, 2023
510-512 Waltham St #510	24_96_510	Residential Condominium	$1,755,000	$2,200,000 May 23, 2025
510-512 Waltham St #512	24_96_512	Residential Condominium	$1,755,000	$1,175,000 October 30, 2023

What MassDEP has recorded

No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.

Within about 500 m (a third of a mile): 0 active tier-classified 21E sites and 1 site with an Activity and Use Limitation. All MassDEP sites in Lexington.

What this means

Assessed 46% above the median residential condominium in Lexington ($2,404,000, 109 parcels).
The last sale price is 37% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.

Point at the centre of the assessor parcel — not a survey.

Data: Lexington assessor file for fiscal year 2026, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.

First page of a sample Massachusetts Property Report

The report for 510-512 Waltham St #510

This page shows the assessor record and the MassDEP sites on the parcel. The report adds what lies around it: FEMA flood zone, wetlands, Zone II and other water supply protection areas, priority habitat, sewer or septic service, protected open space, and every 21E site within half a mile.

$19card · PDF within 24 h · you pay after receiving itSee the sample (PDF)

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