Realmo Analytics

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Property profile

438 Riv St Mattapan, MA 02126

OFF-MARKET
Investment properties
Property ID
US38-1020482
5,878 SF 0.12 ac lot Built 1930
Last sale Sep 2016 · $450,000
Trust Owned Owner of record is a trust. 10-yr Hold Held for 10 years. Free & Clear No active or open recorded mortgage detected.
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Market Trends Soon

Ownership intelligence

Who controls the opportunity?

Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with a plan.

Debts

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

Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.

Property tax · 2019

What does the county charge?
$8k
Tax billed · 2019
Assessed value · 2024$877k
Assessed land$357k
Assessed improvement$520k
Effective rate0.88%

Value estimate

· Oct 2026
$1.47M
$1.32M – $1.62M

Realmo valuation models over county records and 6 qualifying comparable sales.

Recently sold

What actually traded nearby?
$482/SF
Submarket average, outlier-cleaned · 529 recorded sales of this use type
Observed band · Q1–Q3$237 – $840
Qualifying comparables6

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

What can be built here?
RC
JurisdictionBOSTON

Location intelligence

Which uses thrive at this corner?
Best fit: Law Firm
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Law Firm43.1
Dental Office25.7
Restaurant22.3

Location

438 Riv St Mattapan, MA 02126-2216
County assessor Recorded deeds · 2 transfers 6 qualifying comp sales Zoning catalog

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 · 6 properties nearby
Recent sales nearby
6 recorded sales in this ZIP, last 8 years
Address Sale price Sold Size
760 Cummins Hwy, Mattapan, MA 02126-3267 $9,350,000 Dec 2024 No data
1553 Blue Hl, Mattapan, MA 02126-2101 $843,000 Nov 2024 3,262 SF
65 Riv St67a, Mattapan, MA 02126-2969 $1,250,000 Sep 2024 2,624 SF
1366 Blue Hl, Mattapan, MA 02126-2250 $84,000 May 2024 8,623 SF
487 Norfolk, Mattapan, MA 02126-2344 $1,400,000 Jan 2024 2,935 SF
1518 Blue Hl, Mattapan, MA 02126-1928 $128,000 Apr 2021 4,212 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
Research This Page with AI

Rey answers here. ChatGPT, Grok and Claude get the same data packet.

Includes: Price & PSF · Cap rate · Location · Zoning

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