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Property profile & analytics
FOR LEASE
Office buildings
480 Congress St Portland, ME 04101
Entity Owned
8-yr Hold
Free & Clear
Property ID
US42-0218021
For Lease
1 / 2
$14 SF/Yr
480 Congress St, Portland, ME 04101
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1911
Total area
14,784 SF
Lot
0.09 ac (3,881 SF)
APN
PTLD M:037 B:I004001
UPID
US42-0218021
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
-
Blackstone Consulting LLC Real Estate Agency
-
NBT Solutions (Bike/Boat/Book/etc) Store Corporate Office
-
Aaron Frederick Consulting Business Management Consultant
-
KINGSPOKE Marketing & Advertising Advertising Agency
-
Chase ATM Atm
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.93M
Owner & transaction history
Ashby Team LLC · 8 yrs held
Ashby Team LLC
since 2017
2 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Retail stores
$3.0M
+10.6%
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 Portland submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Portland 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
$2,710,000
Current use
RETAIL STORES
$3,000,000
Change: +11% · Conversion: Moderate
INDUSTRIAL (GENERAL)
$2,215,000
Change: -18% · Conversion: Difficult
Blend value · Realmo final
$1.93M
Range $1.74M – $2.12M · ±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
$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 2023Property tax & assessments
Tax year 2023
Tax billed
$32,435
Tax year 2023
Assessed value
$2,250,900
Assessed 2023
Previous assessed
$2,250,900
+0.0% YoY
Effective rate
1.44%
On assessed value
Assessed land
$419,000
Assessed improvement
$1,831,900
Applied tax rate
60,545.0000
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
1911
Heating
NONE
Buildings
1
Units
1
Total area
14,784 SF
Lot
0.09 ac (3,881 SF)
APN
PTLD M:037 B:I004001
UPID
US42-0218021
Jurisdiction
PORTLAND
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$2.7M
RETAIL STORES
Est. value
$3.0M
INDUSTRIAL (GENERAL)
Est. value
$2.2M
OFFICE BUILDING Current
RETAIL STORES
INDUSTRIAL (GENERAL)
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
1911
Heating
NONE
Buildings
1
Units
1
Lot
0.09 ac
Current owner
From public records · entity-resolved
Ashby Team LLC
Entity
Free & Clear · 8 yrs held
Mailing address
415 CONGRESS ST STE #204, PORTLAND, ME 04101-3500
Ownership since
2017
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
Jul 24, 2017
—
Ashby Team LLC
Buzz LLC
Warranty Deed
related
—
Aug 2, 2016
—
Buzz LLC
Scioto Darby Inv INC
Warranty Deed
$720,000
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
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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