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Brick Quadplex with Medical Office
For Sale
$2,495,000

4123 CONNECTICUT Avenue NW, Washington, DC 20008

Multi-Family, WASHINGTON, DC

Property Size3,504 SF
Lot Size0.05 Acres
Price / SF$712.04
Days on Market42

Property Features for 4123 CONNECTICUT Avenue NW

General Information

Property type Residential Multi Family
Property subtype Other
Rooms Basement
Parking features Parking Lot, Driveway
Fireplace 1
Subdivision VAN NESS
Elementary school district DISTRICT OF COLUMBIA PUBLIC SCHOOLS
Middle school district DISTRICT OF COLUMBIA PUBLIC SCHOOLS
High school district DISTRICT OF COLUMBIA PUBLIC SCHOOLS
Standard status Active
Size 3,504 SF
Lot size 0.05 Acres

Taxes and HOA fees

Tax Annual Amount 8886

Utilities

Heating system Central
Cooling system Central Air

Building Details

Year built 1923
Number of units 4
Building materials Brick
Architectural style Federal
Listing Agency: Berkshire Hathaway HomeServices PenFed Realty
Listed By: Stacie Hatziyannis · License #SP101472
Added: Jul 13 Changed: Aug 19 Last Checked: Aug 23 at 11:06PM
MLS# DCDC2273216

Copyright © 2026 Bright 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.

Brick Federal-style quadplex built in 1923 offering mixed-use space with three residential apartments and an established medical office. The residential units feature original woodwork, transom windows, gleaming hardwood floors, abundant natural light, and updated kitchens and bathrooms. Newer windows and separately controlled HVAC systems support tenant comfort. One residential apartment is intentionally left vacant for flexibility.

The medical office is configured with five exam rooms, a welcoming reception area, and a private office suitable for a range of healthcare or professional uses. The property is positioned on a prominent corner along Connecticut Avenue with curb appeal and signage potential, and includes off-street parking in a rear parking area accommodating approximately five tandem parking spaces. Central heating and central air are provided, and a fireplace is present.

Conveniently located just one block from the Van Ness-UDC Metro (Red Line), the surrounding area includes neighborhood retail and services, with Rock Creek Park nearby.

Key Highlights

  • 0.0505‑acre lot with 3,504 SF building area
  • Brick Federal‑style quadplex built in 1923 with central heating and central air
  • Three residential apartments with original woodwork, transom windows, hardwood floors, updated kitchens and baths

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
$111,259
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
4.46%
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%
$2,225,180 $2.2M
Cap Rate 7%
$1,589,414 $1.6M
Cap Rate 9%
$1,236,211 $1.2M
Market Conditions
NOI Build-Up for 3,504 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
$176.6K $50.40/SF
− Vacancy
−$28.3K −$8.06/SF
EGI
$148.3K $42.34/SF
− OpEx
−$37.1K −$10.58/SF
NOI
$111.3K $31.75/SF
Area
Washington, DC
Vacancy
16.00%
Lease Rate
$50.40 /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%
$2,225,180
Cap Rate 7%
$1,589,414
Cap Rate 9%
$1,236,211

Alternative Uses

Best Use
Office B
$1.59M
$1.39M – $1.85M (±1% cap)
NOI $111,259 @ 7.0% cap · market cap 4.46%
Second Best
Healthcare Medical
$928.4K
$812.4K – $1.08M (±1% cap)
NOI $64,989 @ 7.0% cap · market cap 2.60%
Theoretical Best
Office A
$1.80M
$1.58M – $2.10M (±1% cap)
NOI $126,164 @ 7.0% cap · market cap 5.06%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Washington Spine & Disc Alternative Medicine Practice Christian C. Gregory, ... Alternative Medicine Practice Mahin B. Beiraghdar, ... Alternative Medicine Practice MAHIN BANOU BEIRAGHDAR ... Alternative Medicine Practice Dr. Erick Gaitan Alternative Medicine Practice

Suggested Use

Top Pick Hair Salon Building Supply Electrical Service Kitchen & Bath Showroom Furniture & Home Goods Real Estate Agency

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

1
Office units
Yes
Paved road access

Location Intelligence

Trade Area within ½ mile

1,301
Businesses Nearby

Demographics for 20008, DC

30,143
Population
18,083
Households
1.7
Avg Household Size
38
Median Age
89%
College-Educated
98%
High-School Grad
3.1 sq mi
ZIP Area
9,724
Density / Sq Mi
$123,653
Median Household Income
$87,607
Median Earnings
$2,202
Median Rent
$894,100
Median Home Value

Market

Vacancy Rate% for Office in Washington, DC

14.8% 2019
17% 2020
18.1% 2021
19.5% 2022
20.7% 2023
21.9% 2024
22.8% 2025
Rey
Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Quadplex - Mixed-use quadplex with three residential apartments and an established medical office with five exam rooms.
Where is this quadplex located?
The property is located at 4123 CONNECTICUT Avenue NW Washington, DC.
What is the asking price?
The asking price for this property is $2,495,000.
What are key features of this property?
This property features: 0.0505‑acre lot with 3,504 SF building area; Brick Federal‑style quadplex built in 1923 with central heating and central air; Three residential apartments with original woodwork, transom windows, hardwood floors, updated kitchens and baths
More about this property
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