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Property profile & analytics
OFF-MARKET
Estimated value
$835,000
Office buildings
425 20th St Tampa, FL 33605-6025
Entity Owned
24-yr Hold
Absentee Owner
Free & Clear
Property ID
US18-0965595
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1981
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
3,699 SF
Lot
41.69 ac (1,816,180 SF)
Zoning code
IH
APN
A19291952U000052000010
UPID
US18-0965595
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
-
Marathon Petroleum Corporation Auto Repair Shop Gas Station
-
Motiva Enterprises Auto Repair Shop
-
Marathon Petroleum Factory Production Facility
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$900k
CAP Approach
CAP
$825k
Comparable Approach
Comparable
$775k
Blend (final)
Blend
$835k
Owner & transaction history
Tampa Port Authority · 24 yrs held
Tampa Port Authority
since 2001
2 recorded transactions
Zoning & alternative use
IH · Tampa, FL
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 Tampa submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Tampa 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
$900,000
CAP Approach
CAP Return
Estimation
6%
$895,000
6.5%
$825,000
7%
$765,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$1,005,000
Current use
MEDICAL BUILDING
$1,000,000
Change: 0% · Conversion: Easy
NEIGHBORHOOD: SHOPPING CENTER
$960,000
Change: -4% · Conversion: Difficult
RETAIL STORES
$820,000
Change: -18% · Conversion: Moderate
Blend value · Realmo final
$835k
Range $752k – $919k · ±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
$226 / 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
$351,146
Tax year 2023
Assessed value
$16,235,926
Assessed 2023
Previous assessed
$15,962,108
+1.7% YoY
Effective rate
2.16%
On assessed value
Assessed land
$2,978,535
Assessed improvement
$13,257,391
Land market value
$2,978,535
Improvement market value
$13,257,391
Total market value
$16,235,926
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
Off-Market
Year built
1981
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
CENTRAL
Cooling
CENTRAL
Buildings
5
Stories
2
Units
1
Rooms
204
Total area
3,699 SF
Lot
41.69 ac (1,816,180 SF)
Zoning code
IH
APN
A19291952U000052000010
UPID
US18-0965595
Jurisdiction
HILLSBOROUGH
Zoning & alternative use
IH · Tampa, FL
Zoning IH · permitted uses
IH · Tampa, FL
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Tampa. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$1.0M
MEDICAL BUILDING
Est. value
$1.0M
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$960,000
RETAIL STORES
Est. value
$820,000
OFFICE BUILDING Current
MEDICAL BUILDING
NEIGHBORHOOD: SHOPPING CENTER
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
1981
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
CENTRAL
Cooling
Yes
Stories
2
Buildings
5
Units
1
Rooms
204
Lot
41.69 ac
Current owner
From public records · entity-resolved
Tampa Port Authority
Entity
Free & Clear · 24 yrs held
Mailing address
539 S MAIN ST, FINDLAY, OH 45840-3229
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2001
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Oct 19, 2001
$325,000
Tampa Port Authority
Marathon Ashland Petroleum LLC
Grant Deed
—
Feb 25, 1998
$4,026,800
Marathon Ashland Petroleum LLC
Marathon Oil Company
Quit Claim Deed
related
—
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.
Try Rey
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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