Financial
Distress signals
Property profile

21 Grn St Waltham, MA 02451

OFF-MARKET
Office buildings
Property ID
US38-0945006
3,960 SF 0.13 ac lot Built 1970
Last sale Jan 2023 · $1,374,000
Entity Owned Owner of record is a legal entity (LLC / corporation). 3-yr Hold Held for 3 years. ~ Est. High Equity Modeled equity is high. Estimate, not a fact.
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Market Trends Soon

Ownership intelligence

Who controls the opportunity?

Resolved identity, portfolio, hold profile and investor signals. Included in the full report.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with the full report.

Mortgages

What is owed, to whom, and when it comes due

Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.

Property tax · 2024

What does the county charge?
$15k
Tax billed · 2024
Assessed value$710k
Assessed land$260k
Assessed improvement$450k
Effective rate2.07%

Value estimate

· Sep 2026
$1.27M
$1.14M – $1.40M
AI approach$1.28M
Sales comparison$1.10M

Realmo valuation models over county records and 10 qualifying comparable sales.

Recently sold

What actually traded nearby?
$319/SF
ZIP average, outlier-cleaned · 26 recorded sales of this use type
Observed band · Q1–Q3$176 – $499
Qualifying comparables10

Cap rate analysis

How does the asset earn?

No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.

Zoning insight

No data for this section
What can be built here?

No zoning code is on file for this parcel. Coverage grows with every catalog release.

JurisdictionWALTHAM

Location intelligence

Which uses thrive at this corner?
Best fit: Realty agency
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Realty agency22.6
Restaurant21.2
Auto Parts Store17.5

Location

21 Grn St Waltham, MA 02451-1646
County assessor Recorded deeds · 1 transfer 10 qualifying comp sales Zoning catalog · not on file

Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.

Comparables

6 recorded sales · 18 properties nearby
Recent sales nearby
6 recorded sales in this ZIP, last 8 years
Address Sale price Sold Size
686 Lincoln, Waltham, MA 02451-2192 $950,000 Mar 2025 2,124 SF
1264 Main, Waltham, MA 02451-1740 $774,000 Apr 2024 4,400 SF
863 Main, Waltham, MA 02451 $1,900,000 Jul 2023 4,875 SF
711717 Main, Waltham, MA 02451-0607 $1,600,000 May 2023 5,681 SF
86 Ww, Waltham, MA 02451-1110 $5,500,000 Apr 2022 5,500 SF
1256 Main, Waltham, MA 02451-1739 $3,000,000 Mar 2020 6,400 SF
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
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