528 18th St, Boulder, CO 80302
Property image
Property image
OFF MARKET

$1,668,700

Trulia Estimate
  • 3 Beds
  • 2 Baths
  • 1,959 sqft

528 18th St, Boulder, CO 80302

East Chautauqua
Est. Refi. Payment $9,250/mo*
Refinance Your Home
Currently Off Market - Sold Aug 4, 2021 for $1,100,000

Home Value

Trulia Estimate
$1.67M
Since last month
Increased$32K (+1.9%)
Since last year
Increased$305K (+21.8%)
Since last sale
Increased$603K (+54.9%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +97% in the last 10 years
MonthEstimated value
2026
August 2026$1.7M
July 2026$1.67M
June 2026$1.7M
May 2026$1.82M
April 2026$2.02M
March 2026$1.43M
February 2026$1.41M
January 2026$1.38M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
1512 Mariposa Ave, Boulder, CO
0.18
Single-Family Home
$1,025,000
09/26/25
3
2
2,023
2032 Mariposa Avenue, Boulder, CO
0.17
Single-Family Home
$1,040,000
03/02/26
3
2
1,327
419 22nd St, Boulder, CO
0.25
Single-Family Home
$1,232,000
12/04/25
4
2
1,494
1625 Mariposa Ave, Boulder, CO
0.11
Single-Family Home
$2,500,000
07/20/26
3
2.5
2,340
1930 Columbine Avenue, Boulder, CO
0.09
Single-Family Home
$1,425,000
04/08/26
4
3
3,131
2030 Columbine Ave, Boulder, CO
0.14
Single-Family Home
$1,526,000
06/03/26
4
3
2,641
1550 Bluebell Avenue, Boulder, CO
0.22
Single-Family Home
$1,400,000
05/20/26
4
4
3,226
2110 Baseline Rd, Boulder, CO
0.20
Single-Family Home
$850,000
09/08/25
2
2
1,157
370 20th St, Boulder, CO
0.19
Single-Family Home
$1,325,000
03/31/26
5
3
2,700
2003 Bluebell Ave, Boulder, CO
0.15
Single-Family Home
$1,010,000
12/12/25
2
1
2,248

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
1715 Columbine Ave, Boulder, CO 80302
0.06
$1,903,600
4
3.5
2,855
Off Market
1835 Columbine Ave, Boulder, CO 80302
0.05
-
4
3
2,344
Off Market
1841 Columbine Ave, Boulder, CO 80302
0.05
$1,775,800
3
3.5
2,396
Off Market
1780 Baseline Rd, Boulder, CO 80302
0.07
$1,889,900
4
3.5
3,437
Off Market
626 17th St, Boulder, CO 80302
0.08
$2,795,000
5
4.5
4,775
Recently Sold
1816 Mariposa Ave, Boulder, CO 80302
0.07
-
5
3.5
3,840
Off Market
1838 Mariposa Ave, Boulder, CO 80302
0.08
$2,997,500
6
4.5
5,081
Off Market
1737 Baseline Rd, Boulder, CO 80302
0.09
$1,217,200
4
2
2,250
Off Market
1625 Mariposa Ave, Boulder, CO 80302
0.11
$2,500,000
3
2.5
2,340
Recently Sold
708 17th St, Boulder, CO 80302
0.12
$2,276,700
4
3.5
3,744
Off Market
1930 Columbine Avenue, Boulder, CO 80302
0.09
$1,650,000
4
3
3,131
For Sale
720 17th St, Boulder, CO 80302
0.12
$1,350,000
5
3
2,188
Recently Sold

Local Information

  • Map ViewExplore the area around 528 18th St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1950
Living Area
1,959 sqft
Price/Sqft
$852
Parking
Garage

About this House

Charming 3 bd/2 bath home + office in lower Chautauqua QUIET neighborhood. Beautiful yard and gardens. Large living room with gas fireplace. Kitchen with granite counters and stainless steel appliances.. Wood floors. Washer/Dryer. A/C. Furnished or unfurnished. Lease term negotiable: from month-to-month to a year. Utilities and trash not included and are tenants responsibility. Low-key individual/couple/family preferred. Must have good references and credit score. No smoking. Pet negotiable
528 18th St, Boulder, CO 80302 is a 3 bedroom, 2 bathroom, 1,959 sqft single-family home in East Chautauqua, built in 1950. It last sold for $1,100,000 on Aug 4, 2021. More recently, it was listed as a rental in August 2020 with an asking price of $3,500 per month. That rental listing was removed on February 24, 2021. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,668,700, with a rent estimate of $4,346/month.

Home Details for 528 18th St

Interior Features

Interior Details
BasementNumber of Rooms: 6
Heating & Cooling
Heating: Forced AirAir ConditioningHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1Floors: Hardwood
Appliances & Utilities
DryerWasher

Exterior Features

Exterior Home Features
Roof: OtherDeckExterior: Shingle, Wood
Parking & Garage
GarageParking: Garage Detached, Off Street

Property Information

Year Built
Year Built: 1950Year Updated: 1980
Property Type / Style
Property Type: Single Family HomeArchitecture: Ranch / Rambler

Community

Units in Building: 1

Lot Information

Lot Area: 7840 sqft

Price and Tax history

DateEventPrice
Aug 4, 2021
Source: IRES as distributed by MLS GRID #947751
Sold
$1,100,000
Feb 24, 2021
Source: N/A
ListingRemoved
Sep 3, 2020
Source: N/A
ListingRemoved
$3,500
Aug 29, 2020
Source: N/A
Listed For Rent
$3,500
Jul 30, 2020
Source: IRES as distributed by MLS GRID #918565
Sold
$1,025,000

Market trends in Boulder

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$897K
$10.37KMoM
Sale-to-List Price
98.4%
0.1%MoM
Price per sq ft
$499
$4MoM
Available listings
760
19MoM

Around this home

Neighborhood Overview

East Chautauqua
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about East Chautauqua

At least 10 Trulia users voted on each feature.

  • 100 % Say there are sidewalks

  • 83 % Say people would walk alone at night

  • 83 % Say it's dog friendly

  • 77 % Say there's wildlife

  • 71 % Say there's holiday spirit

  • 67 % Say it's walkable to restaurants

  • 67 % Say yards are well-kept

  • 67 % Say parking is easy

  • 64 % Say streets are well-lit

  • 60 % Say car is needed

  • 54 % Say neighbors are friendly

  • 50 % Say they plan to stay for at least 5 years

  • 50 % Say it's quiet

  • 44 % Say kids play outside

  • 43 % Say there are community events

  • 33 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • Chris O
    "I drive 18 miles towards Denver and / or hit DIA 1 time per week. Proximity to Baseline and 36 is awesome as I don’t have to deal with Boulder traffic. Great neighborhood"
    0
    Flag
  • Francie A.
    "Proximity without congestion"
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 528 18th St

  • What is 528 18th St estimated to be worth?
    Trulia's estimated value for 528 18th St in Boulder, CO is $1,668,700.
  • What is the price history for 528 18th St?
    528 18th St in Boulder, CO last sold for $1,100,000 in August 2021.
  • 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 528 18th St have laundry facilities?
    Yes, 528 18th St in Boulder, CO has in-unit laundry.
  • How big is the lot at 528 18th St?
    The lot at 528 18th St in Boulder, CO is about 0.18 acres (7,757 sq ft).

Explore by feature - Pet Friendly

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Explore by feature - Air Conditioning

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Explore by feature - Pool

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Explore by feature - Washer/dryer

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Explore by feature - Outdoor Space

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Apartments for Rent

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Off Market Homes Near 528 18th St

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