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$650,000
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Property Description
Don't miss this rare opportunity to own a proven-performing, high-demand duplex with loyal tenants, strong rental history, and immediate income upside - perfect for hands-off investors seeking reliable cash flow AT OVER A 6-CAP!! Both units are leased to long-term tenants: one on Section 8 ($2,000/mo, through Dec 2026), the other at $2,150/mo (through Nov 2026). The detached four-car garage adds additional value and even more income upside. Only one single-bay is included with 1436. A separate tenant rents the double-bay rented separately for $250/mo. The final single bay is currently used by the sellers but will be delivered vacant at closing for instant income potential or additional tenant perks. Both tenants want to renew at the end of their current leases, have a strong track record of on-time payments, and take excellent care of their units. Vacancy has been virtually nonexistent for years, and when past tenants have vacated, the Sellers have always found new tenants quickly, underscoring the property's appeal and strong local demand. Interiors are dated, presenting a straightforward value-add opportunity: cosmetic updates can boost rents and long-term returns. Key systems and appliances are believed older but functional, with no major issues reported. Stable income, low vacancy risk, and clear upside make this an ideal portfolio addition. **The Punchline: Turnkey income, loyal tenants, and untapped upside-all in one package at a Cap Rate of over 6.25!! Reach out today for rent roll and financials. The numbers speak for themselves!
Full Property Details
Full Property Details for 1434 12th Ave
General
- Price: $650,000
- Taxes: $3,553 (2025)
- Status: Active
- Type: Duplex
- Source: IRES
- MLS ID: 1066237
- Updated: 8/14/2026
- Added to Site: 9 day(s) ago
Interior
- Interior Features: Eat-In Kitchen, Separate Dining Room, Washer/Dryer Hookup
- Appliances: Electric Range, Double Oven, Refrigerator, Washer, Dryer
- Flooring: Wood
Exterior
- Exterior Features: Sprinkler System
Parking
- Total Spaces: 5
Location
- Area: Longmont
- County: Boulder
- Subdivision: Longmont Land Co 1
School Information
- School District: ST Vrain Dist RE 1J
- Elementary School: Mountain View
- Middle School: Longs Peak
- High School: Longmont
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Forced Air
Utilities
- Gas: Yes
- Gas: Xcel
- Sewer: Public Sewer
- Water: City
- Utility Description: Natural Gas Available, Electricity Available, Cable Available, Separate Electric Meter
Structural Information
- Structure Type: Duplex
- Construction: Brick
- Exterior Const.: Brick
- Basement: Yes
- Basement Desc.: Crawl Space
- Roof: Composition
- Square Feet: 2,389
- Sq. Ft. Source: Other
- Year Built: 1962
Lot Features
- Lot Size (Acres): 0.21
- Lot Size (Sq. Ft.): 8,999
- Frontage: City Street
- Street/Road Desc.: Asphalt
- Fence: Yes
- Lot Features: House Faces South, Paved, Gutters, Sidewalks, Street Light
- Potential Use: Multi-Family
- Zoning: R3
- Fencing (Description): Chain Link
Financial Considerations
- Operating Expenses: $11,353
- Tax Amount: $3,553
- Tax Year: 2025
- Terms: Cash, Conventional, FHA, VA
- Tenant Pays: None
Disclosures and Reports
- Special Conditions: Private Owner
- Exclusions: Tenants' Personal Property
- Property ID: R0043456
Listed by KW Realty Downtown, LLC (303) 539-5700
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Schools
Schools serving 1434 12th Ave
School District:St. Vrain Valley School District Re 1j
| Name | Grades | Distance |
|---|---|---|
Mountain View Elementary School, Longmont, CO 1415 14th Avenue, Longmont, CO 80501 | PK-5 | 0.2 mi |
Longs Peak Middle School 1500 14th Avenue, Longmont, CO 80501 | 6-8 | 0.3 mi |
Longmont High School 1040 Sunset Street, Longmont, CO 80501 | 9-12 | 0.3 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 1434 12th Ave
Date
Details
Price
Change
Source
8/14/2026
Listed
$650,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 1434 12th Ave
1434 12th Ave, Longmont, CO 80501 (MLS# 1066237) is a Duplex property with 0 bedrooms and 0 full bathrooms. 1434 12th Ave is currently listed for $650,000 and was received on August 14, 2026. Want to learn more about 1434 12th Ave? Do you have questions about finding other Duplex real estate for sale in Longmont? You can browse all Longmont real estate or contact a Coldwell Banker agent to request more information.

