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Property profile & analytics
OFF-MARKET
Estimated value
$595,000
Apartment buildings
542 Walnut St Allentown, PA 18101-2315
Entity Owned
~
Est. High Equity
Property ID
US73-0355657
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1895
Construction
BRICK
Total area
4,541 SF
Lot
0.1 ac (4,500 SF)
Zoning code
B-2
APN
640710902314-1
UPID
US73-0355657
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$645k
Comparable Approach
Comparable
$564k
Blend (final)
Blend
$595k
Owner & transaction history
542 W Walnut St LLC
542 W Walnut St LLC
since 2025
Last sale
$630,000
7 recorded transactions
Zoning & alternative use
B-2 · Allentown, PA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Medical building
$970,000
+79.8%
Auto repair, garage
$865,000
+59.6%
Commercial (general)
$625,000
+15.2%
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs Allentown submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Allentown submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
Method
Estimation
Statistic approach
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$700,000
6.5%
$645,000
7%
$600,000
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$540,000
Current use
MEDICAL BUILDING
$970,000
Change: +80% · Conversion: Moderate
AUTO REPAIR, GARAGE
$865,000
Change: +60% · Conversion: Difficult
COMMERCIAL (GENERAL)
$625,000
Change: +15% · Conversion: Moderate
OFFICE BUILDING
$605,000
Change: +12% · Conversion: Moderate
RETAIL STORES
$505,000
Change: -7% · Conversion: Difficult
Blend value · Realmo final
$595k
Range $536k – $655k · ±10% · vs last sale $630k (Dec 1 2025)
Last sale anchor
$630k
Dec 1 2025
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$131 / SF
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$6,641
Tax year 2024
Assessed value
$206,300
Assessed 2024
Previous assessed
$206,300
+0.0% YoY
Effective rate
3.22%
On assessed value
Assessed land
$14,200
Assessed improvement
$192,100
Land market value
$14,200
Improvement market value
$192,100
Total market value
$206,300
Applied tax rate
2.0000
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
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Year built
1895
Construction
BRICK
Heating
BASEBOARD
Stories
3
Units
5
Rooms
15
Bathrooms
5
Total area
4,541 SF
Lot
0.1 ac (4,500 SF)
Zoning code
B-2
APN
640710902314-1
UPID
US73-0355657
Jurisdiction
LEHIGH
Zoning & alternative use
B-2 · Allentown, PA
Zoning B-2 · permitted uses
B-2 · Allentown, PA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Allentown. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
APARTMENT HOUSE (5+ UNITS) Current
Est. value
$540,000
MEDICAL BUILDING
Est. value
$970,000
AUTO REPAIR, GARAGE
Est. value
$865,000
COMMERCIAL (GENERAL)
Est. value
$625,000
OFFICE BUILDING
Est. value
$605,000
RETAIL STORES
Est. value
$505,000
APARTMENT HOUSE (5+ UNITS) Current
MEDICAL BUILDING
AUTO REPAIR, GARAGE
COMMERCIAL (GENERAL)
OFFICE BUILDING
RETAIL STORES
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1895
Construction
BRICK
Heating
BASEBOARD
Stories
3
Units
5
Rooms
15
Bathrooms
5
Lot
0.1 ac
Current owner
From public records · entity-resolved
542 W Walnut St LLC
Entity
Mailing address
2424 CROPSEY AVE APT 1A, BROOKLYN, NY 11214-6573
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
8 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 1, 2025
$630,000
542 W Walnut St LLC
Rosa Dahbur
Deed
$472,500 · First Keystone Community Bank
Nov 1, 2021
—
Rosa Dahbur
Rosa Dahbur
Intrafamily Transfer
related
—
Sep 27, 2016
—
Rosa Dahbur
—
Deed
related
$99,000 · The Provident Bank
Nov 15, 2004
$145,000
Ali Gjonbalaj
Youssef,ashraf & Reina
Grant Deed
$108,750 · Silver Hill Financial LLC
Oct 29, 2004
$145,000
Rosa Dahbur
Youssef,ashraf & Reina
Grant Deed
—
Sep 3, 2003
$110,000
Ashraf Youssef
Koury,victor E & Fairouz A
Grant Deed
$88,000 · Patriot Bank NA
—
—
Rosa Dahbur
—
Deed Of Trust
related
$300,000 · Team Capital Bank
—
—
Rosa Dehbur
—
Deed Of Trust
related
$99,000 · Provident Bk
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
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