A rare investment opportunity in the heart of downtown Boulder, this charming historic triplex is situated on a large lot and features three separate units. One unit offers 3 bedrooms and 2 baths, the second features 2 bedrooms and 1 bath, and the third is a studio. Beautiful exposed brick walls add warmth and character throughout, highlighting the property's historic appeal. Each residence offers a functional layout with comfortable living spaces and the convenience of its own laundry. Six off-street parking spaces provide a valuable amenity in this sought-after downtown location. Currently rented through July 2027, this is a great opportunity for an investor looking for an established income-producing property in one of Boulder's most desirable locations. Enjoy easy access to restaurants, shops, entertainment, trails, and everything downtown Boulder has to offer.
For sale
$2,099,000
1845 18th St, Boulder, CO 80302
6beds
4baths
1,556sqft
Multi Family
Built in 1900
-- sqft lot
$-- Zestimate®
$1,349/sqft
$-- HOA
What's special
Large lotBeautiful exposed brick wallsSix off-street parking spacesFunctional layoutComfortable living spaces
- 11 days
- 141
- 3
Zillow last checked:
Listing updated:
Listed by:
Jennifer Crow 303-972-9999,
RE/MAX Professionals Ken Caryl
Source: IRES as distributed by MLS GRID,MLS#: 1066866
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 4
Heating
- Baseboard
Appliances
- Included: Gas Range, Dishwasher, Refrigerator, Washer, Dryer
Features
- Windows: Window Coverings
- Basement: None
Interior area
- Total structure area: 1,556
- Total interior livable area: 1,556 sqft
Property
Parking
- Total spaces: 6
Features
- Levels: One
- Stories: 1
- Patio & porch: Patio
- Fencing: Partial
Lot
- Size: 5,985 Square Feet
- Features: Level
Details
- Parcel number: R0511208
- Zoning: Mulifamily
- Special conditions: Private Owner
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Multi Family
Materials
- Frame, Brick
- Roof: Composition
Condition
- New construction: No
- Year built: 1900
Utilities & green energy
- Water: City
- Utilities for property: Natural Gas Available, Electricity Available
Community & HOA
Community
- Subdivision: Whittier
HOA
- Has HOA: No
Location
- Region: Boulder
Financial & listing details
- Price per square foot: $1,349/sqft
- Tax assessed value: $1,404,100
- Annual tax amount: $8,610
- Date on market: 8/20/2026
- Listing terms: Cash,Conventional
- Exclusions: Tenants personal property
- Tenant pays: Deposit, Gas, Electricity, Water, Sewer, Trash Collection
- Income includes: Lease/Rents
- Electric utility on property: Yes
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 8/20/2026 | Listed for sale | $2,099,000+38.1%$1,349/sqft |
Source:  IRES as distributed by MLS GRID #1066866 Report a problem | ||
| 8/18/2026 | Listing removed | $1,895$1/sqft |
Source: Zillow Rentals Report a problem | ||
| 8/4/2026 | Price change | $1,895-11.9%$1/sqft |
Source: Zillow Rentals Report a problem | ||
| 7/1/2026 | Listed for rent | $2,150-11.2%$1/sqft |
Source: Zillow Rentals Report a problem | ||
| 6/22/2026 | Listing removed | $2,420$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 6/5/2026 | Listed for rent | $2,420$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 5/19/2026 | Listing removed | $2,420$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 2/3/2026 | Listed for rent | $2,420+21.3%$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 3/2/2022 | Listing removed | -- |
Source: Zillow Rental Manager Report a problem | ||
| 2/11/2022 | Listed for rent | $1,995$1/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 12/7/2021 | Listing removed | -- |
Source: Zillow Rental Manager Report a problem | ||
| 11/22/2021 | Listed for rent | $1,995-14.7%$1/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 5/22/2019 | Sold | $1,520,000-4.7%$977/sqft |
Source: IRES as distributed by MLS GRID #878743 Report a problem | ||
| 5/17/2019 | Pending sale | $1,595,000$1,025/sqft |
Source: RE/MAX Alliance on Walnut #878743 Report a problem | ||
| 4/24/2019 | Listing removed | $2,340$2/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 4/24/2019 | Listed for sale | $1,595,000+196.8%$1,025/sqft |
Source: RE/MAX Alliance on Walnut #878743 Report a problem | ||
| 1/4/2019 | Listed for rent | $2,340$2/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 10/31/2007 | Sold | $537,400-4.9%$345/sqft |
Source: Public Record Report a problem | ||
| 8/18/2006 | Sold | $564,900$363/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $8,826 +1.9% | $87,757 -14.7% |
| 2024 | $8,665 +20% | $102,931 +0.5% |
| 2023 | $7,222 +2.5% | $102,402 +35.9% |
| 2022 | $7,045 +21.4% | $75,351 -4.9% |
| 2021 | $5,804 | $79,230 +18.8% |
| 2020 | $5,804 +13.9% | $66,674 |
| 2019 | $5,097 | $66,674 +13.4% |
| 2018 | $5,097 | $58,788 -9.5% |
| 2017 | $5,097 -0.5% | $64,993 +9.8% |
| 2016 | $5,122 +5.6% | $59,167 +31.6% |
| 2015 | $4,850 +28.3% | $44,966 |
| 2014 | $3,781 -3.4% | $44,966 |
| 2013 | $3,914 +0.9% | $44,966 -3.8% |
| 2012 | $3,880 +3.4% | $46,725 |
| 2011 | $3,751 +7.1% | -- |
| 2010 | $3,503 -3.1% | $46,410 |
| 2009 | $3,614 +3.5% | $46,410 -17.8% |
| 2008 | $3,491 +28% | $56,480 |
| 2007 | $2,727 | $56,480 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: Whittier
Nearby schools
Schools provided by the listing agent
- Elementary: Columbine
- Middle: Centennial
- High: Boulder
Source: IRES as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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