Realmo Analytics
Unlock property reports, ownership, financials, or compile property list owners likely to sell.
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Entity Owned Property summary
The Historic Security National Building, located at 101 S. Main Avenue in Sioux Falls, South Dakota, offers exceptional office space in the heart of the city. This seven-story building boasts a rich history and provides a prestigious address for businesses of all sizes. Currently, there are 2,836 square feet of vacant space available, with one space specifically listed at 360 square feet. The building's property type includes retail, office, storefront, and salon spaces, accommodating a… variety of business needs. The building is categorized as Traditional Office, Executive Office, and Coworking space, offering flexibility for different work styles. Multiple tenancies are available, allowing for diverse occupancy. The building features two elevators for convenient access to all floors. Off-street parking is available for tenants, and the building offers on-site and controlled access for enhanced security. The building is situated in Minnehaha County, South Dakota, with a zip code of 57104. This location provides easy access to downtown amenities and excellent visibility. The building's historic charm combined with modern conveniences makes it an ideal location for businesses seeking a unique and prestigious office space in Sioux Falls.
Ownership intelligence
Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.
Owner contacts
Skip-traced phones and e-mails of the owner. Included with a plan.
Debts
Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.
Property tax · 2022
Value estimate
· Nov 2026Realmo valuation models over county records.
Recently sold
Cap rate analysis
No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.
Zoning insight
No data for this sectionNo zoning code is on file for this parcel. Coverage grows with every catalog release.
Location intelligence
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.
Comparables
6 recorded sales · 18 properties nearbyComparable nearby
Similar Nearby for Sale
Similar in This City for Lease
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
from $199/month
- GBA
- 71,194 SF
- Lot area
- 0.61 ac
- Year built
- 1996
- Stories
- 4
- APN
- 63890
- Assessed value · 2022
- $7,352,200
- Annual tax · 2022
- $133,344
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
from $199/month
Price sensitivity
The rate is the decision lever; valuation is the consequence.
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
Unlock the evidence behind ownership: portfolio, transactions, debt and any signals we can model, to help you decide who to contact next.
Registration is required before any owner information is shown.
Phones and e-mails of the people behind this property's owner, traced from licensed contact data.
Owner phones and e-mails come with a plan - traced from licensed contact data, with verification and Do-Not-Call flags on every number.
The mortgage data comes with a plan: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
Registration is required before any owner information is shown.
Rey answers here. ChatGPT, Grok and Claude get the same data packet.
Includes: Price & PSF · Cap rate · Location · Zoning
Our comps and market reports get this label in your Google results.
One click on Google
- 10 Targeted Leads
- 1 Full Property Report
- Lead Lists by Intent
- Signals & Scores
- Building Details
- Value Estimation
- Cap Rate Evaluation
- Liens & Mortgages
- Ownership & Contacts
- Local Market trends
- Zoning Insight
- Location Analytics
- 300 Targeted Leads a month
- 30 Full Property Reports
- Lead Lists by Intent
- Signals & Scores
- Building Details
- Value Estimation
- Cap Rate Evaluation
- Liens & Mortgages
- Ownership & Contacts
- Local Market trends
- Zoning Insight
- Location Analytics
- 1,500 Targeted Leads a month
- 150 Full Property Reports
- Lead Lists by Intent
- Signals & Scores
- Building Details
- Value Estimation
- Cap Rate Evaluation
- Liens & Mortgages
- Ownership & Contacts
- Local Market trends
- Zoning Insight
- Location Analytics
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Sample leads
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Off Market
1201, CAPTAINS BAY RD, AK
Absentee
1201, CAPTAINS BAY RD, AK
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Off Market
AK
Absentee
AK
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Off Market
W, BROADWAY, AK
Absentee
W, BROADWAY, AK
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Off Market
551 W, BROADWAY, AK
Absentee
551 W, BROADWAY, AK
Sample leads
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Off Market
1404, ATS, AK
Loan from 20067.7% rateColumbia State Bank
1404, ATS, AK
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Off Market
1503, BALLYHOO RD, AK
Loan from 2009Columbia State Bank
1503, BALLYHOO RD, AK
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Off Market
721 E, DEPOT DR, AK
Loan from 2019Northrim Bank
721 E, DEPOT DR, AK
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Off Market
AK
Loan from 2019Northrim Bk
AK
Still being built. It lands here next, beside the two above.
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