21 126th St New York, NY 10035-1526
Individually Owned
~
Est. High Equity
Estimated value (blended)
$1.19M
Range $1.07M – $1.31M (±10%)
Property ID
US63-1596572
Property profile
Verified
Property type
Residential income homes
Use group
BOARDING/ROOMING HOUSE
Year built
1909
Total area
2,726 SF
Lot
0.04 ac (1,749 SF)
Zoning code
R7B
APN
01751-0010
UPID
US63-1596572
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$1.31M
Comparable Approach
Comparable
$851k
Blend (final)
Blend
$1.19M
Owner & transaction history
since 2025
Last sale
$1.3M
4 recorded transactions
Zoning & alternative use
R7B · New York, NY
Top alternative use upside
Office building
$1.7M
+18.1%
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
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Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 6 comparables with addresses
2 alternative uses screened
Sensitivity value band
Source audit · 10 inputs
PDF export
Analytics Standard · 5 reports
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Summary
1
Valuation conclusion
Included free
Estimated market value
$1.19M
Value range
$1.07M – $1.31M
±10% around blend
Estimated value / SF
$437 / SF
Confidence
High
6 county-verified comps
Property data
88
Market benchmarks
67
Comparable evidence
60
$1.07M
blend $1.19M
$1.31M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
2,726 SF
Lot area
0.04 ac
Year built
1909
Stories
3
APN
01751-0010
Assessed value
$71,429
Annual tax
$8,930
3
Income approach: direct capitalization
Partial preview
Income approach indication
$1.31M
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$1.42M
@ 6.5% CAP return
$1.31M
@ 7% CAP return
$1.22M
4
Sales comparison
Partial preview
Sales approach indication
$1.41M
Weighted, 6 comps · high confidence
Evidence
6 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
0.9 mi away · 2,400 SF
1.4 mi away · 2,250 SF
1.5 mi away · 3,528 SF
2.4 mi away · 3,075 SF
3.0 mi away · 2,772 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$1.19M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
Submarket 921 sales
$541
-19%
County 922 sales
$538
-19%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $437/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Office Building
Gross theoretical uplift
+18%
vs current-use indication
Apartment House (5+ Units) · current use
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
Not available
Operating expenses
Not available
Market rent
Not available
Actual rent roll
Not available
Tenant leases
Not available
Physical condition
Not inspected
Conversion costs
Not available
Not analyzed due to unavailable source data: tenant leases, physical condition and capital
requirements were not available for this desktop analysis. Cost Approach excluded due to
availability of income evidence.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
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Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 6 sales
Market rates by use type
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$1.30M
Move the market yield to see immediate price impact.
Value / SF
$477
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$82k
$1.64M
$1.17M
$910k
$91k
$1.82M
$1.30M
$1.01M
$100k
$2.00M
$1.43M
$1.11M
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
6 found
High confidence · county-verified
Closest comparable
$387k
0.6 mi · Jan 2026 · $151/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$8,930
Tax year 2024
Assessed value
$71,429
Assessed 2024
Previous assessed
$71,429
+0.0% YoY
Effective rate
12.50%
On assessed value
Assessed land
$34,036
Assessed improvement
$37,393
Land market value
$215,000
Improvement market value
$236,200
Total market value
$451,200
Applied tax rate
2.0000
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Residential income homes
Use group
BOARDING/ROOMING HOUSE
Status
Off-Market
Year built
1909
Heating
NONE
Buildings
1
Stories
3
Units
10
Total area
2,726 SF
Lot
0.04 ac (1,749 SF)
Zoning code
R7B
APN
01751-0010
UPID
US63-1596572
Jurisdiction
NEW YORK(MANHATTAN)
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
R7B · New York, NYZoning R7B · permitted uses
R7B · New York, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Year built
1909
Heating
NONE
Stories
3
Buildings
1
Units
10
Lot
0.04 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
R7B
Jurisdiction
New York, NY
Recorded code
R7B
Ownership Intelligence
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Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
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Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
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