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Property profile & analytics
OFF-MARKET
Estimated value
$580,000
Investment properties
621 Delaware St Historic New Castle, DE 19720-5073
Entity Owned
~
Est. High Equity
Property ID
US17-0036328
Property profile
Verified
Property type
Investment properties
Use group
STORE/OFFICE (MIXED USE)
Year built
1917
Construction
CONCRETE
Total area
5,214 SF
Lot
0.56 ac (24,394 SF)
Zoning code
21DG
APN
21-015.10-023
UPID
US17-0036328
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
Current use
Occupant on record · Public records
-
New Castle Insurance Ltd Insurance Agency
-
location realty advisors Real Estate Agency
-
Community Collaboration of Delaware Charitable Organization Social Service Agency
-
Knights of Columbus Insurance Insurance Agency
-
HSL Inc Trdg As Holcomb Sltr Insurance Agency
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$814k
Blend (final)
Blend
$580k
Owner & transaction history
Bdj Properties LLC
Bdj Properties LLC
since 2025
3 recorded transactions
Zoning & alternative use
21DG · Historic New Castle, DE
Permitted uses
Permitted uses
Allowed · conditional · prohibited
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 Historic New Castle submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Historic New Castle 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%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$580k
Range $522k – $638k · ±10%
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
$111 / 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 2023Property tax & assessments
Tax year 2023
Tax billed
$5,967
Tax year 2023
Assessed value
$228,400
Assessed 2023
Previous assessed
$228,400
+0.0% YoY
Effective rate
2.61%
On assessed value
Assessed land
$85,100
Assessed improvement
$143,300
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
Investment properties
Use group
STORE/OFFICE (MIXED USE)
Status
Off-Market
Year built
1917
Construction
CONCRETE
Heating
YES
Cooling
YES
Stories
2
Total area
5,214 SF
Lot
0.56 ac (24,394 SF)
Zoning code
21DG
APN
21-015.10-023
UPID
US17-0036328
Jurisdiction
NEW CASTLE
Metro division
WILMINGTON, DE-MD-NJ METROPOLITAN DIVISION
Zoning & alternative use
21DG · Historic New Castle, DE
Zoning 21DG · permitted uses
21DG · Historic New Castle, DE
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Historic New Castle. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1917
Construction
CONCRETE
Heating
YES
Cooling
Yes
Stories
2
Lot
0.56 ac
Current owner
From public records · entity-resolved
Bdj Properties LLC
Entity
Mailing address
PO BOX 428, NEW CASTLE, DE 19720-0428
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
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Oct 29, 2025
—
Bdj Properties LLC
Reraal Properties LLC
Deed
—
Jul 28, 2020
—
Reraal Properties LLC
Trustors Children Unde Trust
Grant Deed
—
—
—
Salter Dennis Trust
—
Deed Of Trust
related
$500,000 · Wilmington Trust Co
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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