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Historic Office Building with Casita
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340 N Main Ave, Tucson, AZ 85701

Two-story historic office building with original upper floors, a modern refurbished lower level, and an on-site freestanding casita.

Property Size8,002 SF
Price / SF$299.93
Days on Market57

Property Features for 340 N Main Ave

General Information

Standard status Active
Size 8,002 SF
Class B
Total Parking Spaces 16
Property subtype Office
Zoning HO-3, City of Tucson

Building Details

Year Built 1902
Buildings 2
Stories 2
Units 16
Listing Agency: CBRE - Tucson
Listed By: Jeff Casper · License #632063
Source: Crexi
Added: Jun 18 Changed: Aug 10 Last Checked: Aug 12 at 7:03AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of CBRE - Tucson

Investment Insights

Based on property information with market context.

Historic Hereford House, built in 1902, offers a main two-story office building with original character features on floors one and two. The lower level has been completely refurbished with modern improvements, along with ground-level entry and windows for convenient access and natural light.

The property is located in Historic Snob Hollow at 340 N Main Ave, Tucson, AZ 85701. It sits adjacent to the Owl’s Club and was designed by the same architect, adding to its distinctive historic context.

This property is well suited for buyers seeking an office setting with architectural character and thoughtfully updated space, including a refurbished lower level that can support day-to-day operational needs. The freestanding casita onsite provides an additional enclosed option that may support a separate office, visitor use, or other light commercial or professional arrangement depending on the buyer’s plans.

Key Highlights

  • Historic office building built in 1902 with original features on the 1st and 2nd floors
  • Main two‑story layout with a completely refurbished lower level featuring modern features
  • Lower level has ground‑level entry and windows

Financial Insights

Estimated NOI and Cap Rate

NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$116,928
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
4.87%
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$2,338,560 $2.3M
Cap Rate 7%
$1,670,400 $1.7M
Cap Rate 9%
$1,299,200 $1.3M
Market Conditions
NOI Build-Up for 8,002 SF Vacancy — income lost from leasable area expected to sit empty during the year, subtracted from gross rent. EGI (Effective Gross Income) — gross rent minus vacancy losses, the realistic income before paying operating costs. OpEx (Operating Expenses) — recurring costs to operate the property (property tax, insurance, utilities, maintenance, management); excludes financing and capital improvements. NOI (Net Operating Income) — income a property generates after operating costs but before financing and taxes.
Gross rent
$172.8K $21.60/SF
− Vacancy
−$16.9K −$2.12/SF
EGI
$155.9K $19.48/SF
− OpEx
−$39.0K −$4.87/SF
NOI
$116.9K $14.61/SF
Area
Tucson, AZ
Vacancy
9.80%
Lease Rate
$21.60 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$2,338,560
Cap Rate 7%
$1,670,400
Cap Rate 9%
$1,299,200

Alternative Uses

Best Use
Office B
$1.67M
$1.46M – $1.95M (±1% cap)
NOI $116,928 @ 7.0% cap · market cap 4.87%
Second Best
no second resolved use
Theoretical Best
Office A
$2.08M
$1.82M – $2.43M (±1% cap)
NOI $145,511 @ 7.0% cap · market cap 6.06%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Tohono O'odham Education ... Training Center

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Pet Grooming Service Butcher Veterinary Clinic Carpet & Flooring Store Supermarket

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

Location Intelligence

Trade Area within ½ mile

3,197
Businesses Nearby

Demographics for 85701, AZ

5,132
Population
3,631
Households
1.4
Avg Household Size
37
Median Age
57%
College-Educated
91%
High-School Grad
1.5 sq mi
ZIP Area
3,421
Density / Sq Mi
$52,672
Median Household Income
$43,762
Median Earnings
$1,183
Median Rent
$451,500
Median Home Value

Market

Vacancy Rate% for Office in Tucson, AZ

8.9% 2019
9.1% 2020
9.6% 2021
10% 2022
8.8% 2023
10.2% 2024
9.5% 2025
Rey
Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Office building - Two-story historic office building with original upper floors, a modern refurbished lower level, and an on-site freestanding casita.
Where is this office building located?
The property is located at 340 N Main Ave Tucson, AZ.
What is the asking price?
The asking price for this property is $2,400,000.
What are key features of this property?
This property features: Historic office building built in 1902 with original features on the 1st and 2nd floors; Main two‑story layout with a completely refurbished lower level featuring modern features; Lower level has ground‑level entry and windows
(520) 323-5141 Call to check price and availability
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