Duplex

Longmont, CO Duplexes for Sale

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Mead, CO Berthoud, CO Frederick, CO Erie, CO Niwot, CO Firestone, CO Boulder, CO Lyons, CO
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55+ Attached Duplex with Sunroom
Updated: Apr 23
55+ Attached Duplex with Sunroom

1526 Tulip Ct, Longmont, CO 80501

$500,000
3,540 sqft 0.12 AC lot
55+ attached duplex on a 0.12‑acre lot, built in 1993
Light‑filled main‑level great room with vaulted/cathedral ceilings and bay window
Eat‑in kitchen with walk‑in pantry and black appliances
Main‑level primary suite with private 4‑piece bath and large walk‑in closet
Sunroom/flex room opens to a private deck and patio
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1526 Tulip Ct, Longmont, CO 80501

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Contemporary Duplex with Patios
Updated: Jul 14
Contemporary Duplex with Patios

1726 Meadow St, Longmont, CO 80501

$550,000
1,918 sqft 0.16 AC lot
0.16‑acre lot with R‑2 zoning
Two 2‑bed, 1‑bath units each with eat‑in kitchen, washer/dryer hookup, and patio
2‑car off‑street parking for both units; fenced yard on 1728
Long‑term tenant in 1726; 1728 recently painted with a new tenant
Forced‑air heating; window or wall/window cooling
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Duplex with Finished Basements
Duplex with Finished Basements

1306 Parker Dr, Longmont, CO 80501

$639,000
3,768 sqft 0.22 AC lot

Duplex in R-2 zoning with central air, fenced yards, and finished basements for both units.

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Remodeled Duplex with Private Yards
Remodeled Duplex with Private Yards

1225 S Coffman St, Longmont, CO 80501

$625,000
2,628 sqft 0.19 AC lot

Fully remodeled duplex in Longmont with deck, fenced outdoor space, and separate amenities per unit.

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Two-Unit Duplex With Detached Garages
Two-Unit Duplex With Detached Garages

1356-1358 Merl Place, Longmont, CO 80501

$450,000
1,768 sqft 0.23 AC lot

Front and rear residences share matching two-bedroom layouts on a cul-de-sac lot.

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Contemporary Duplex Under Construction
Contemporary Duplex Under Construction

727 Kubat Ln, Longmont, CO 80503

$849,900
2,737 sqft

2025 contemporary duplex under construction with central air, a gas fireplace, and a patio.

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Duplex Patio Home with Covered Patio
Duplex Patio Home with Covered Patio

1435 Elmhurst Ln, Longmont, CO 80503

$500,000
1,470 sqft 0.08 AC lot

One-level patio home in a 55+ community with HOA-managed grounds, snow removal, and trash.

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Holiday Park Duplex Investment
Holiday Park Duplex Investment

1506-1508 Collyer Street, Longmont, CO 80501

$650,000
2,111 sqft

Well-maintained two-unit duplex with five bedrooms, two baths, covered patios, and detached two-car garage access.

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Duplex with Attached Two-Car Garage
Duplex with Attached Two-Car Garage

1620 16th Pl, Longmont, CO 80501

$554,500
2,918 sqft 0.11 AC lot

Ranch-style duplex on a 0.11-acre lot with a patio, finished basement, and central air.

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Brick Duplex with Garages and Patio
Brick Duplex with Garages and Patio

472 Lashley St, Longmont, CO 80504

$475,000
1,750 sqft 0.21 AC lot

All-brick duplex features two attached garages and a patio, with forced-air heating and recent updates.

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Two-Unit Duplex with Detached Garages
Two-Unit Duplex with Detached Garages

1356 Merl Pl, Longmont, CO 80501

$450,000
0.23 AC lot

Front and back units each offer two bedrooms, one bathroom, and dedicated detached garage parking.

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Longmont Duplex Investment
Longmont Duplex Investment

1726 Meadow St, Longmont, CO 80501

$550,000

Two 2-bedroom, 1-bath units with eat-in kitchens, laundry, patios, and off-street parking sold as-is.

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Remodeled Duplex with Income Potential
Remodeled Duplex with Income Potential

1225 S Coffman St, Longmont, CO 80501

$625,000

Turn-key duplex with modern upgrades, yards, and garage.

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Duplex with Two Garages and Yards
Duplex with Two Garages and Yards

938 Kelly Place, Longmont, CO 80501

$530,000

Two-unit duplex offering private backyards with sprinklers and two garages, with both tenants scheduled to vacate by August 1.

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Multi Family
Multi Family

1306-1308 Parker Drive, Longmont, CO 80501

$639,000

Duplexes

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Low-Maintenance Brick Duplex
Low-Maintenance Brick Duplex

2051-2053 Collyer Street, Longmont, CO 80501

$550,000

Low-maintenance brick duplex with laundry hookups, vinyl kitchen flooring, and back yards for each unit.

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Based on your search, we've compiled 20 Potential Opportunities for your consideration. Besides 16 Active listings in Longmont, CO, we suggest exploring several alternatives: 4 properties in Nearby Cities

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Duplex with Oversized One-Car Garages
Duplex with Oversized One-Car Garages

3504 S Taft Ave, Loveland, CO 80538

$500,000
3,410 sqft 0.52 AC lot

Two-unit duplex on RR-2 zoning with each side featuring an oversized one-car garage and in-unit living space.

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Updated Side-by-Side Duplex
Updated Side-by-Side Duplex

1806 17th St, Boulder, CO 80302

$1,630,000

Side-by-side duplex with two 4-bed, 2-bath units featuring granite counters, stainless appliances, and laundry.

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Side-by-Side Brick Duplex Investment
Side-by-Side Brick Duplex Investment

3160-3162 Folsom Street, Boulder, CO 80304

$1,175,000

Side-by-side duplex with leased units and a detached garage plus alley parking for tenant convenience.

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Duplex With Horse Property Income
Duplex With Horse Property Income

224 SW 42nd St, Loveland, CO 80537

Contact for pricing

Duplex with both units rented and additional rental income from on-site horse facilities and outbuildings.

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Longmont, CO Duplexes Market Trends and Statistics

Explore 16 duplexes for sale in Longmont, CO, showcased through 16 active listings on our real estate platform. These investment opportunities span a total of 24,608 square feet of properties for sale, with an estimated market value of $9,137,400.

Sale prices for duplexes in Longmont, CO start at $450,000, averaging $571,087, and reaching up to $849,900 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Duplexes 16
Mobile home & RV parks 7
Apartment buildings 4
Triplexes 2
Quadplexes 1

Demographics Overview

Population 141K
Population Growth (5Y) +7.2%
Median Household Income $102,052
College Educated 49.4%

High-Yield Neighborhoods for Investment

Identify Longmont submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

Neighborhood Average Price
80504 $475K
80501 $587.6K

Taxes & Financing

Average Loan-to-Value 65.0%

Listings Trend

New vs delisted commercial listings in Boulder County

New Delisted

Total CRE Inventory on Market (SF)

Average Property Price per SF

For-sale pricing trends across core commercial property types in Boulder County

Residential Income

Property Size Breakdown

The majority of commercial real estate listings in Longmont fall within the 100,000+ square foot range.

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