Check Availability
$1,875,000
● House - For Sale

2870 18th St

Boulder, CO 80304
bedrooms
3 Beds
bathrooms
1 Bath
square feet
2,225 Ft²
$10,144
Est. Monthly

About This Property

Set in one of Boulder's most desirable neighborhoods, this lovely home offers a rare blend of character, thoughtful updates & exceptional indoor-outdoor living. Framed by mature trees & peekaboo Flatiron views, this inviting home feels both connected to Boulder & wonderfully private.
Recently refreshed landscaping creates a beautiful backdrop for the expansive backyard, where a generous deck and lush surroundings make entertaining, dining al fresco or simply enjoying Colorado's seasons effortless. A separate shed provides additional storage, while the detached art studio/workshop offers an inspiring space for creativity, hobbies, a home office or whatever suits your lifestyle.
Inside, the home has been thoughtfully refreshed with warmth and functionality throughout. The main level features a welcoming great room anchored by a fireplace, creating a natural gathering space that flows into the dining & kitchen areas. A main-level office provides a quiet workspace, while the laundry adds everyday convenience. A main-level bedroom and full bath offer flexibility for guests, family or one-level living.
Upstairs, two additional bedrooms & two baths provide privacy & separation, including a comfortable primary suite w/ walk-in closet. Large windows bring in abundant natural light and capture glimpses of the Flatirons, reinforcing the unmistakable sense of place.
With its beautiful setting, flexible spaces, updated interiors & remarkable backyard, this is more than a house-it is a Boulder lifestyle. Close to trails, parks, local shops, dining and everything that makes North Boulder so special, 2870 18th Street is a home that invites you to settle in, entertain & enjoy. The thoughtful floor plan balances gathering spaces with private retreats, while the connection to the backyard makes the home appealing for Colorado living. Whether hosting friends, working on a creative project or enjoying an evening beneath the trees, this property offers spaces that adapt to lifestyle.
Unit Size
2,225 Ft²
Days on Market
-
Land Size
0.19 acres
Price per sqft
$843
Property Type
House
Property Taxes
$937
HOA Dues
-
Year Built
1955

Listed By

Connie Kraska
LIV Sotheby's Intl Realty

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Last updated: 9 days ago (REcolorado MLS #IRE3246030)

Price History

Date / Event Date Event Price
Sep 22, 2026 Relisted $2,495,000
Relisted
Aug 29, 2026 In contract -
In contract
Aug 26, 2026 Price Decreased $1,875,000
↓ $75K (3.9%)
Price Decreased
Aug 13, 2026 Listed $1,950,000
Listed
Nov 9, 2024 Price Decreased $2,395,000
↓ $100K (4%)
Price Decreased
Show More

Property Highlights

Garage
Air Conditioning
Fireplace
Parking Details
Has Garage
Parking Features: Attached
Garage Spaces: 1
Interior Details
Full Bathrooms: 1
Interior Features: Open Floorplan, Pantry, Walk-In Closet(s), Kitchen Island
Appliances: Down Draft, Dishwasher, Refrigerator, Washer, Dryer, Fire Alarm
Has Fireplace
Fireplace Features: Gas, Living Room, One
Basement: Crawl Space
Exterior Details
Square Footage: 2225
Square Footage Source: $0
Architectural Style: Contemporary
Year Built: 1955
Levels: Two
Window Features: Window Coverings
Construction Materials: Frame, Wood Siding
Patio and Porch Features: Patio, Deck
Lot Features: Wooded, Level, Outbuildings, House Faces West
Lot Size Area: 8276.4
Lot Size Units: Square Feet
Lot Size Acres: 0.19
Lot Size Square Feet: 8276.4
Water Source: Public
Financial Details
Tax Annual Amount: $11,241
Utilities Details
Cooling Type: Central Air
Heating Type: Forced Air
Sewer : Public Sewer

Building Info

Overview

    General

  • Year Built: 1955
  • Effective Year Built: 2006
  • Building Count: 2
  • Total Rooms: 7
  • Bedroom Count: 3
  • Bathroom Count: 2
  • Full Bathrooms: 1
  • Partial Bathrooms: 2
  • Building Condition: 7
  • Building Quality: 4
  • Construction Type: 12
  • Building Style: 28
  • Exterior Walls Type: 5
  • Interior Walls Type: 3
  • Roof Shape Type: 0
  • Roof Cover Type: 15
  • Floor Count: 200
  • Living Units: 1
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 1
  • Garage Square Area: 280
  • Parking Space Count: 1
  • Patio Type: 20
  • Porch Type: 8
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 8,271
  • Total Building Area: 2,505
  • Gross Building Area: 2,505
  • Building Area: 2,225
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 1
  • Heating: 4
  • Heated Square Feet: 2,225
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: BECKERS - BO
  • Land Acres: 0000000190
  • Standard Land Use Code: 1001
  • County Land Use Code: 1112
  • Legal Description 1: LOT 6 BLK 2 BECKERS

Neighborhood

  • School District Name: Boulder Valley School District RE-2
  • Census Tract: 012106

Geography

  • Assessors Map Reference: B17-C
  • Account Number: R0005569
  • Parcel: R0005569
  • Block: 2
  • Lot: 6
  • Meridian: SEC 30 TWN 1N RNG 70
  • Municipality: BOULDER
  • Latitude: 40.0275
  • Longitude: -105.273

    Address

  • Full Address: 2870 18th St
  • Address - House Number: 2870
  • Address - Street Name: 18th
  • Address - Suffix Type: St
  • State: CO
  • City Name: Boulder
  • Carrier Code: C079
  • 4-Digit Zip Code: 3602
  • Zip Code: 80304

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $918,026
  • Initial Tax Delinquent Year: 2019
  • Tax Rate Code Area: 00-010

    Appraisal Valuation

  • Standard Deviation: 0.2114
  • Valuation Date: May 17, 2023
  • Confidence Score: 71
  • Final Value: 1,917,721
  • High Value: 2,323,159
  • Low Value: 1,512,283

    Market Valuation

  • Market Total Value: $1,971,200
  • Market Land Value: $932,800
  • Market Improvement Value: $1,038,400

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $133,352
  • Assessed Land Value: $63,104
  • Assessed Improvements Value: $70,248

    Sales

  • Current Sale Contract Date: Jun 02, 2021
  • Current Sale Recording Date: Jun 03, 2021
  • Current Sale Price:
  • Current Sale Document Type: 68
  • Current Sale Input Document Number: 3890002
  • Previous Sale Recording Date: Apr 19, 2021
  • Previous Sale Contract Date: Apr 07, 2021
  • Previous Sale Amount: $970,000
  • Previous Sale Document Type: 71

    Financing

  • First Mortgage Financing Type: ADJ
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Central Boulder


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Frequently Asked Questions

When was property at 2870 18th Street built and last sold?
The property at 2870 18th Street was built in 1955 and last sold on Jun 2, 2021 for $1,685,000.
How much is this home worth?
The estimated value of the home located at 2870 18th Street is $1,878,379.
What are some comparable homes to 2870 18th Street?
There are currently no comparable homes to 2870 18th Street.