Entity Owned 
For Lease
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Contact for pricing
510 Madison Ave, New York, NY 10022
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Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Year built
2007
Total area
292,663 SF
Lot
0.36 ac (15,750 SF)
Zoning code
C5-3
APN
01288-0056
UPID
US63-2814384
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
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Financial Advisor
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Financial Advisor
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Financial Advisor
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Financial Advisor
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$4.57M
Owner & transaction history
since 2025
5 recorded transactions
Zoning & alternative use
C5-3 · New York, NY
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
Sensitivity value band
Source audit · 6 inputs
PDF export
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Summary
1
Valuation conclusion
Included free
Estimated market value
$4.57M
Value range
$4.11M – $5.02M
±10% around blend
Estimated value / SF
$16 / SF
Confidence
High
6 county-verified comps
Property data
100
Market benchmarks
100
Comparable evidence
60
$4.11M
blend $4.57M
$5.02M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
292,663 SF
Lot area
0.36 ac
Year built
2007
Stories
30
APN
01288-0056
Zoning
C5-3
Assessed value
$119,062,286
Annual tax
$12,611,077
3
Income approach: direct capitalization
Partial preview
Not enough income data on file for a CAP-approach estimation.
4
Sales comparison
Partial preview
Sales approach indication
$9.56M
Weighted, 6 comps · high confidence
Evidence
6 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
0.3 mi away · 254,185 SF
0.7 mi away · 380,000 SF
0.7 mi away · 304,345 SF
0.8 mi away · 367,212 SF
4.1 mi away · 335,184 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$4.57M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 20 sales
$442
-96%
Submarket 224 sales
$639
-98%
County 224 sales
$639
-98%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $16/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
County record
Operating expenses
Not available
Market rent
Not available
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: replacement-cost inputs are not on file.
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.
Unlock the complete Cap Rate workflow
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
Professional plan · 30 reports
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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$119.06M
Move the market yield to see immediate price impact.
Value / SF
$407
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%
$7.50M
$150.02M
$107.16M
$83.34M
$8.33M
$166.69M
$119.06M
$92.60M
$9.17M
$183.36M
$130.97M
$101.86M
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
$2.48M
0.1 mi · Dec 2025 · $12/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$12,611,077
Tax year 2024
Assessed value
$119,062,286
Assessed 2024
Previous assessed
$118,764,236
+0.3% YoY
Effective rate
10.59%
On assessed value
Assessed land
$7,881,300
Assessed improvement
$111,180,986
Land market value
$17,514,000
Improvement market value
$250,307,000
Total market value
$267,821,000
Applied tax rate
4.0000
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
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Status
For Lease
Year built
2007
Heating
NONE
Buildings
1
Stories
30
Units
1
Total area
292,663 SF
Lot
0.36 ac (15,750 SF)
Zoning code
C5-3
APN
01288-0056
UPID
US63-2814384
Jurisdiction
NEW YORK(MANHATTAN)
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
C5-3 · New York, NYZoning C5-3 · permitted uses
C5-3 · New York, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Building & site characteristics
From public records
Year built
2007
Heating
NONE
Stories
30
Buildings
1
Units
1
Lot
0.36 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
C5-3
Jurisdiction
New York, NY
Recorded code
C5-3
Ownership Intelligence
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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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