437 18th St, Boulder, CO 80302
Property image
Property image
OFF MARKET

437 18th St
Boulder, CO 80302

East Chautauqua
  • 5 Beds
  • 5 Baths
  • 5,309 sqft (on 0.27 acres)

$4,115,700

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $22,639/mo*
Refinance Your Home

$4,115,700

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $22,639/mo*
Refinance Your Home
5 Beds
5 Baths
5,309 sqft
(on 0.27 acres)

Home Value

Trulia Estimate
$4.12M
Since last month
Decreased$3K (-0.1%)
Since last year
Decreased$45K (-1.1%)
Since last sale
Increased$134K (+3.4%)
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 +60% in the last 10 years
MonthEstimated value
2026
August 2026$4.09M
July 2026$4.1M
June 2026$4.1M
May 2026$4.15M
April 2026$4.18M
March 2026$4.15M
February 2026$4.1M
January 2026$3.99M
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
1498 King Ave, Boulder, CO
0.24
Single-Family Home
$3,885,000
04/16/26
4
4.5
5,734
1816 Mariposa Ave, Boulder, CO
0.04
Single-Family Home
$2,950,000
09/08/25
5
3.5
3,840
626 17th St, Boulder, CO
0.13
Single-Family Home
$2,795,000
03/26/26
5
4.5
4,775
1860 Bluebell Ave, Boulder, CO
0.09
Single-Family Home
$5,650,000
09/12/25
6
7
5,110
330 16th St, Boulder, CO
0.14
Single-Family Home
$2,550,000
08/03/26
5
2.5
3,804
1380 Bluebell Ave, Boulder, CO
0.27
Single-Family Home
$3,300,000
02/23/26
3
4
4,066
851 14th St, Boulder, CO
0.43
Single-Family Home
$2,995,000
04/02/26
5
3.5
4,773
1502 Columbine Avenue, Boulder, CO
0.18
Single-Family Home
$2,245,000
02/02/26
4
4
3,430
1330 Mariposa Ave, Boulder, CO
0.27
Single-Family Home
$3,500,000
12/09/25
4
3
2,640
205 Camden Pl, Boulder, CO
0.19
Single-Family Home
$2,755,000
10/15/25
4
3
3,482

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
1816 Mariposa Ave, Boulder, CO 80302
0.04
$2,911,800
5
3.5
3,840
Off Market
1838 Mariposa Ave, Boulder, CO 80302
0.07
$2,998,000
6
4.5
5,081
Off Market
1860 Bluebell Ave, Boulder, CO 80302
0.09
$5,594,400
6
7
5,110
Off Market
1625 Mariposa Ave, Boulder, CO 80302
0.08
$2,500,000
3
2.5
2,340
Recently Sold
350 17th St, Boulder, CO 80302
0.09
$1,730,800
3
2
2,689
Off Market
1715 Columbine Ave, Boulder, CO 80302
0.10
$1,903,600
4
3.5
2,855
Off Market
1835 Columbine Ave, Boulder, CO 80302
0.12
$1,816,100
4
3
2,344
Off Market
1841 Columbine Ave, Boulder, CO 80302
0.12
$1,789,600
3
3.5
2,396
Off Market
340 17th St, Boulder, CO 80302
0.10
$3,046,100
5
4
4,248
Off Market
1930 Columbine Avenue, Boulder, CO 80302
0.14
$1,650,000
4
3
3,131
For Sale
1601 Mariposa Ave, Boulder, CO 80302
0.11
$1,555,500
4
2
1,838
Off Market
1780 Baseline Rd, Boulder, CO 80302
0.13
$1,889,900
4
3.5
3,437
Off Market

Local Information

  • Map ViewExplore the area around 437 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
2008
Lot Size
0.27 acres
Living Area
5,309 sqft
Price/Sqft
$775
Parking
Garage

About this House

Another Well Priced Home Offered. Check out the 3D Virtual Tour! Modern, charming and in Chautauqua. What could be better than this! Large private corner lot with tree house, brick patios, huge trees and lovely landscaping. Wrap around covered porch accents this distinct and timeless home. Loads of light and wood floors throughout create the warmth and welcoming living experience only found in a home with this kind of character and architecture.
437 18th St, Boulder, CO 80302 is a 5 bedroom, 6 bathroom, 5,309 sqft single-family home in East Chautauqua, built in 2008. It last sold for $3,960,000 on Jan 21, 2022. It is currently off market. The Trulia Estimate is $4,115,700, with a rent estimate of $7,991/month.

Home Details for 437 18th St

Interior Features

Interior Details
BasementNumber of Rooms: 11
Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 3
Fireplace & Spa
Fireplace

Exterior Features

Exterior Home Features
Roof: OtherDeckExterior: Shingle, Wood, BrickLawnPatioSprinkler System
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 2008Year Updated: 2008
Property Type / Style
Property Type: Single Family HomeArchitecture: Other

Community

Units in Building: 1

Lot Information

Lot Area: 0.27 acres

Price and Tax history

DateEventPrice
Jan 21, 2022
Source: IRES as distributed by MLS GRID #953972
Sold
$3,960,000
Nov 4, 2021
Source: IRES as distributed by MLS GRID #953972
Listed For Sale
$4,100,000
Jun 9, 2016
Source: IRES as distributed by MLS GRID #787307
Sold
$2,600,000
May 16, 2016
Source: Agent Provided
Pending
$2,789,000
Feb 3, 2016
Source: Agent Provided
PriceChange
$2,789,000
Price decreased by 2%

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 437 18th St

  • What is 437 18th St estimated to be worth?
    Trulia's estimated value for 437 18th St in Boulder, CO is $4,115,700.
  • What is the price history for 437 18th St?
    437 18th St in Boulder, CO last sold for $3,960,000 in January 2022.
  • 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 437 18th St have air conditioning?
    Yes, 437 18th St in Boulder, CO has air conditioning.
  • How big is the lot at 437 18th St?
    The lot at 437 18th St in Boulder, CO is about 0.27 acres (11,738 sq ft).

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Apartments for Rent

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Off Market Homes Near 437 18th St

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