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Property profile & analytics
FOR LEASE
Office buildings
3600 Horizon Dr, King of Prussia, PA 19406
Entity Owned
Free & Clear
Property ID
US73-0781292
For Lease
1 / 2
$6,110,000
3600 Horizon Dr, King of Prussia, PA 19406
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1984
Total area
35,210 SF
Lot
3.19 ac (138,956 SF)
Zoning code
SM1
APN
58-00-10974-10-1
UPID
US73-0781292
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
-
Automation24, Inc. Production Facility
-
FMP Media Solutions Inc Film Production Television Studio
-
Zeitgeist Inc Corporate Office
-
Detomaso Watches Corporate Office
-
Lilienthal Berlin Corporate Office
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$6.18M
Blend (final)
Blend
$6.11M
Owner & transaction history
Si 3600 Horizon Drive LLC
Si 3600 Horizon Drive LLC
since 2025
Last sale
$6.1M
4 recorded transactions
Zoning & alternative use
SM1 · King Of Prussia, PA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Retail stores
$9.5M
+41.6%
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 King of Prussia submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs King of Prussia 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
Alternative Use
Use
Estimation
OFFICE BUILDING
$6,700,000
Current use
RETAIL STORES
$9,480,000
Change: +42% · Conversion: Moderate
MEDICAL BUILDING
$5,550,000
Change: -17% · Conversion: Easy
WAREHOUSE, STORAGE
$5,500,000
Change: -18% · Conversion: Difficult
Blend value · Realmo final
$6.11M
Range $5.50M – $6.72M · ±10% · vs last sale $6.07M (Jul 14 2025)
Last sale anchor
$6.07M
Jul 14 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
$174 / 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
$51,744
Tax year 2023
Assessed value
$1,679,000
Assessed 2024
Previous assessed
$1,679,000
+0.0% YoY
Effective rate
3.08%
On assessed value
Total market value
$1,679,000
Applied tax rate
58.0000
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
Office buildings
Use group
OFFICE BUILDING
Status
For Lease
Year built
1984
Heating
FORCED AIR
Cooling
CENTRAL
Total area
35,210 SF
Lot
3.19 ac (138,956 SF)
Zoning code
SM1
APN
58-00-10974-10-1
UPID
US73-0781292
Jurisdiction
MONTGOMERY
Metro division
PHILADELPHIA, PA METROPOLITAN DIVISION
Zoning & alternative use
SM1 · King Of Prussia, PA
Zoning SM1 · permitted uses
SM1 · King Of Prussia, PA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
King Of Prussia. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$6.7M
RETAIL STORES
Est. value
$9.5M
MEDICAL BUILDING
Est. value
$5.6M
WAREHOUSE, STORAGE
Est. value
$5.5M
OFFICE BUILDING Current
RETAIL STORES
MEDICAL BUILDING
WAREHOUSE, STORAGE
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
1984
Heating
FORCED AIR
Cooling
Yes
Lot
3.19 ac
Current owner
From public records · entity-resolved
Si 3600 Horizon Drive LLC
Entity
Free & Clear · 0 yrs held
Mailing address
201 KING OF PRUSSIA RD STE #501, RADNOR, PA 19087-5148
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
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 19, 2026
—
Si 3600 Horizon Drive LLC
—
Deed
related
$105,000,000 · Acore 2026 Fl 1 Issuer LLC
Oct 14, 2025
$6,070,000
Si 3600 Horizon Drive LLC
Bryemere Holding LLC
Special Warranty Deed
—
Jan 12, 2018
$20,196,000
Bryemere Holding LLC
Liberty Properties
Trustees Deed
$79,262,000 · Loancore Cap Credit Reit LLC
Mar 1, 2010
—
3606 Horizon Associates Gp LLC
Liberty Property LP
Deed Of Trust
related
$2,700,000 · Pnc Bank
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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