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Historic Office Building
New
For Sale
$384,900

511 N Grand Ave, Waukesha, WI 53186

N, Waukesha, WI

Property Size2,000 SF
Lot Size0.11 Acres
Price / SF$192.45
Days on Market6

Property Features for 511 N Grand Ave

General Information

Property type Commercial Sale
Property subtype Other
Zoning B3
Standard status Active
APN 2911308134
Size 2,000 SF
Lot size 0.11 Acres

Taxes and HOA fees

Tax Year 2025

Building Details

Year built 1890
Architectural style Other
Listing Agency: REMAX Market Place · RE/MAX International
Listed By: Ginger Gill · License #51852-90
Added: Oct 1 Last Checked: Oct 6 at 2:06AM
MLS# 1982839

Copyright © 2026 Metro MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

Built in 1890 as a carriage house, this 2,000-square-foot office property contains several office areas and is currently used by a nonprofit. The upper level offers the option of apartment or workspace use. The 0.11-acre property is zoned B3 and has parking.

The building is at 511 N Grand Ave in Waukesha, Wisconsin.

Key Highlights

  • 2,000‑square‑foot office property on 0.11 acres
  • Originally built as a carriage house in 1890
  • Multiple office spaces; upper level may accommodate an apartment or additional workspace

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$27,766
Cap Rate
7.21%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$555,320 $555.3K
Cap Rate 7%
$396,657 $396.7K
Cap Rate 9%
$308,511 $308.5K
Market Conditions
NOI Build-Up for 2,000 SF
Gross rent
$49.7K $24.84/SF
− Vacancy
−$12.7K −$6.33/SF
EGI
$37.0K $18.51/SF
− OpEx
−$9.3K −$4.63/SF
NOI
$27.8K $13.88/SF
Area
Waukesha County, WI
Vacancy
25.48%
Lease Rate
$24.84 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$555,320
Cap Rate 7%
$396,657
Cap Rate 9%
$308,511

Alternative Uses

Best Use
Office B
$396.7K
$347.1K – $462.8K (±1% cap)
NOI $27,766 @ 7.0% cap · market cap 7.21%
Second Best
—
—
no second resolved use
Theoretical Best
Flex RnD
$1.02M
$893.2K – $1.19M (±1% cap)
NOI $71,452 @ 7.0% cap · market cap 18.56%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

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Current Use

Brain Injury Resource ... Charitable Organization

Suggested Use

Top Pick Real Estate Agency HVAC Service Grocery & Convenience Store Electrical Service Big Box & Wholesale Store Barber Shop

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

Single-tenant
Tenancy
Yes
Paved road access

Location Intelligence

Trade Area within ½ mile

1,861
Businesses Nearby

Demographics for 53186, WI

32,332
Population
15,066
Households
2.1
Avg Household Size
38
Median Age
39%
College-Educated
95%
High-School Grad
12.6 sq mi
ZIP Area
2,566
Density / Sq Mi
$74,596
Median Household Income
$42,007
Median Earnings
$1,180
Median Rent
$277,800
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Office in Midwest region

13.7% 2019
15.6% 2020
17.1% 2021
18.9% 2022
21% 2023
22% 2024
21.3% 2025
Rey
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Office building - Multiple office areas are complemented by upper-level space that could serve as an apartment or additional workspace.
Where is this office building located?
The property is located at 511 N Grand Ave Waukesha, WI.
What is the asking price?
The asking price for this property is $384,900.
What are key features of this property?
This property features: 2,000‑square‑foot office property on 0.11 acres; Originally built as a carriage house in 1890; Multiple office spaces; upper level may accommodate an apartment or additional workspace
More about this property
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