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Property profile & analytics
OFF-MARKET
Investment properties
1521 Williamson St Madison, WI 53703-3768
Entity Owned
Absentee Owner
~
Est. High Equity
Property ID
US92-0562826
Property profile
Verified
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Year built
1911
Total area
1,225 SF
Lot
0.07 ac (2,944 SF)
Zoning code
HIS-TL NMX
APN
0710-072-1602-3
UPID
US92-0562826
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
-
Stillgood's Discount Store (Bike/Boat/Book/etc) Store
-
Hans' Sewing Machine Repair General Contractor
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
Fiddletown LLC
Fiddletown LLC
since 2025
Last sale
$580,000
3 recorded transactions
Zoning & alternative use
HIS-TL NMX · Madison, WI
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 Madison submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Madison 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
—
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 2022Property tax & assessments
Tax year 2022
Tax billed
$6,459
Tax year 2022
Assessed value
$355,000
Assessed 2023
Previous assessed
$355,000
+0.0% YoY
Effective rate
1.82%
On assessed value
Assessed land
$40,000
Assessed improvement
$315,000
Applied tax rate
3,269.0000
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
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Status
Off-Market
Year built
1911
Heating
NONE
Buildings
2
Stories
2
Units
1
Total area
1,225 SF
Lot
0.07 ac (2,944 SF)
Zoning code
HIS-TL NMX
APN
0710-072-1602-3
UPID
US92-0562826
Jurisdiction
DANE
Zoning & alternative use
HIS-TL NMX · Madison, WI
Zoning HIS-TL NMX · permitted uses
HIS-TL NMX · Madison, WI
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Madison. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1911
Heating
NONE
Stories
2
Buildings
2
Units
1
Lot
0.07 ac
Current owner
From public records · entity-resolved
Fiddletown LLC
Entity
Mailing address
6380 GROSSEPARK RD, SUN PRAIRIE, WI 53590-9312
Mailing matches property
Different — outreach signal
Owner-occupied
No
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
Sep 29, 2025
$580,000
Fiddletown LLC
Lmnterprises LLC
Warranty Deed
$296,000 · Lake Ridge Bank
Aug 26, 2015
—
Lmnterprises LLC
Neuenschwander,david J
Warranty Deed
—
Mar 12, 2012
—
David J Neuesnchwander
Neuenschwander Hans W
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.
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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