3155 18th St, Boulder, CO 80304
Property image
Property image
OFF MARKET

$1,110,000

Trulia Estimate
as of Aug 30, 2026
  • 4 Beds
  • 2 Baths
  • 2,052 sqft
  • 4 Beds
  • 2 Baths
  • 2,052 sqft

3155 18th St, Boulder, CO 80304

Old North Boulder

Home Highlights

Property Type
Single-Family Home
Year Built
1972
Living Area
2,052 sqft
Price/Sqft
$541
Parking
Attached Garage

Local Information

  • Map ViewExplore the area around 3155 18th St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

This cute north boulder house has 4 bedrooms and 2 baths and 2050 sq ft. It has 2 fireplaces and an updated kitchen and one car garage with opener.There is a Large fenced back yard with hot tub. One dog is allowed with deposit. This is a non-student property. To Tour this home please contact Joe
3155 18th St, Boulder, CO 80304 is a 4 bedroom, 2 bathroom, 2,052 sqft single-family home in Old North Boulder, built in 1972. It last sold for $410,000 on May 5, 2004 (11,959% above the $3,400 asking price). More recently, it was listed as a rental in June 2025 with an asking price of $3,400 per month. That rental listing was removed on June 15, 2025. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,110,000, with a rent estimate of $4,587/month.

Home Details for 3155 18th St

Interior Features

Heating & Cooling
Heating: Natural Gas, Forced Air, FireplaceHeating Fuel: Natural Gas
Appliances & Utilities
DishwasherDryerWasher
Fireplace & Spa
Fireplace

Property Information

Year Built
Year Built: 1972
Property Type / Style
Property Type: Single Family Home

Rental Terms, Policies & Fees

Lease Term: Contact For Details

Exterior Features

Parking & Garage
Parking: Attached Covered, On Site

Comparable Sales for 3155 18th St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
1805 Forest Ave, Boulder, CO
0.07
Single-Family Home
$1,250,000
04/14/26
4
2.5
1,936 sqft
1820 Forest Ave, Boulder, CO
0.07
Single-Family Home
$1,299,900
03/05/26
3
2
1,493 sqft
1412 Elder Ave, Boulder, CO
0.21
Single-Family Home
$800,000
04/17/26
3
2
1,529 sqft
3150 19th St, Boulder, CO
0.12
Single-Family Home
$783,000
08/07/26
3
1.5
1,095 sqft
2851 20th St, Boulder, CO
0.28
Single-Family Home
$1,017,800
04/24/26
3
1.5
1,806 sqft
2250 Floral Dr, Boulder, CO
0.42
Single-Family Home
$1,035,000
12/12/25
4
2
2,080 sqft
3505 19th St, Boulder, CO
0.47
Single-Family Home
$795,000
06/22/26
4
2
2,342 sqft
3145 Fremont St, Boulder, CO
0.48
Single-Family Home
$950,000
03/31/26
4
2
2,048 sqft
1707 Grape Ave, Boulder, CO
0.18
Single-Family Home
$1,962,500
01/15/26
4
3
2,434 sqft
1414 Elder Avenue, Boulder, CO
0.22
Single-Family Home
$1,302,600
08/10/26
3
3
2,228 sqft

Nearby homes

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Around this home

Neighborhood Overview

Old North Boulder
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Old North Boulder

At least 15 Trulia users voted on each feature.

  • 100 % Say it's dog friendly

  • 95 % Say there are sidewalks

  • 93 % Say there's wildlife

  • 91 % Say it's walkable to grocery stores

  • 90 % Say there's holiday spirit

  • 88 % Say it's walkable to restaurants

  • 88 % Say parking is easy

  • 83 % Say kids play outside

  • 79 % Say it's quiet

  • 78 % Say people would walk alone at night

  • 72 % Say yards are well-kept

  • 68 % Say neighbors are friendly

  • 62 % Say they plan to stay for at least 5 years

  • 55 % Say car is needed

  • 35 % Say streets are well-lit

  • 20 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.

LGBTQ Local Legal Protections

Price and Tax history

DateEventPrice
Jun 15, 2025
Source: Zillow Rentals
ListingRemoved
$3,400
Jun 10, 2025
Source: Zillow Rentals
Listed For Rent
$3,400
Jul 21, 2023
Source: Zillow Rentals
ListingRemoved
Jul 6, 2023
Source: Zillow Rentals
Listed For Rent
$3,200
Nov 16, 2022
Source: Zillow Rental Network Premium
ListingRemoved

Frequently asked questions about 3155 18th St

  • What is 3155 18th St estimated to be worth?
    Trulia's estimated value for 3155 18th St in Boulder, CO is $1,110,000.
  • What is the price history for 3155 18th St?
    3155 18th St in Boulder, CO last sold for $410,000 in May 2004.
  • Is Boulder a buyer's or seller's market?
    Boulder is currently a balanced market, based on recent for-sale activity.
  • What's the median sale price in Boulder?
    The median sale price in Boulder is $897K. That is up $10.37K from the prior month.
  • Does 3155 18th St have laundry facilities?
    Yes, 3155 18th St in Boulder, CO has in-unit laundry.
  • Does 3155 18th St have parking?
    Yes, 3155 18th St in Boulder, CO has on-site parking.

Homes for rent near 3155 18th St

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Affordability

TIP:Try to keep your rent within a third of your gross household income. Learn why in our Renter's Guide.
For this property
PER YEAR
is the suggested income
Win over prospective landlords with your smart budgeting. As a good rule of thumb, ideally you would have at least three times your monthly rent in combined household income.
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