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

What does the county charge?

Assessed value · 2023$602k

Assessed land$190k

Assessed improvement$412k

Value estimate

· Oct 2026

$310k

$279k – $341k

CAP approach$730k

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

Recently sold

What actually traded nearby?

$351/SF

County average, outlier-cleaned · 65 recorded sales of this use type

Observed band · Q1–Q3$155 – $722

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

What can be built here?

C-1 COMM

JurisdictionWESTCHESTER

Location intelligence

Which uses thrive at this corner?

Best fit: Parking Facility

Demand index

Parking Facility14.9

Computer & Electronic Repair10.1

Tech Support Center9.0

601 Halstead Ave, Unit 611 Mamaroneck, NY 10543-2719

County assessor Recorded deeds · not on file 10 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

4 recorded sales · 8 properties nearby

Address Sale price Sold Size

604 Halstead, Mamaroneck, NY 10543-2718 $515,000 Jun 2025 1,800 SF

566 Boston Post, Mamaroneck, NY 10543-3705 $4,000,000 Jan 2025 19,941 SF

651 Boston Post, Mamaroneck, NY 10543-3742 $3,950,000 Nov 2021 2,835 SF

555 Boston Post, Mamaroneck, NY 10543-3855 $1,798,000 Jan 2019 3,820 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

Value Estimation
$4,325,000

2,835 SF

651 Boston Post Rd

PROFESSIONAL BUILDING

651 Boston Post Rd, Mamaroneck, NY 10543-3742

View Details
Value Estimation
$770,000

3,280 SF

109 Spencer Pl

OFFICE BUILDING

109 Spencer Pl, Mamaroneck, NY 10543-2627

View Details
Value Estimation
$385,000

2,254 SF

234 Stanley Ave

OFFICE BUILDING

234 Stanley Ave, Mamaroneck, NY 10543-2530

View Details
Value Estimation
$555,000

3,820 SF

555 Boston Post Rd

OFFICE BUILDING

555 Boston Post Rd, Mamaroneck, NY 10543-3855

View Details
Value Estimation
$665,000

3,873 SF

916 Boston Post Rd

OFFICE BUILDING

916 Boston Post Rd, Mamaroneck, NY 10543-4109

View Details
Value Estimation
$325,000

1,940 SF

745 Boston Post Rd

PROFESSIONAL BUILDING

745 Boston Post Rd, Mamaroneck, NY 10543-4106

View Details

Similar Nearby for Sale

New

Contact for pricing
4,500 SF

Mixed-Use Buildings with Private Parking

C-2 property combines occupied commercial space with vacant upper-level offices and access to a shared rear parking lot.

410 Mamaroneck Avenue, Mamaroneck, NY 10543

View Details
New

$3,525,000

Office Building With Elevator

The fully leased property houses 11 tenants and provides on-site parking.

650 Halstead Avenue, Mamaroneck, NY 10543

View Details

Research This Page with AI

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

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

Ask Rey → ChatGPT Grok Claude

Preferred Make Realmo a preferred source.

Our comps and market reports get this label in your Google results.

One click on Google

You own 601 Halstead Ave, Unit 611?

List it free. Reach 20,000 daily buyers.

We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.

601 Halstead Ave 611 Mamaroneck, NY 10543