433 Mapleton Ave #B, Boulder, CO 80304
OFF MARKET

$577,400

Trulia Estimate
  • 1 Bed
  • 1 Bath
  • 724 sqft

433 Mapleton Ave #B, Boulder, CO 80304

Mapleton Hill
Est. Refi. Payment $3,462/mo*
Refinance Your Home
Currently Off Market - Sold Aug 29, 2001 for $349,000

Home Value

Trulia Estimate
$577K
Since last month
Increased$3K (+0.6%)
Since last year
Increased$39K (+7.2%)
Since last sale
Increased$229K (+65.7%)
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 +8% in the last 10 years
MonthEstimated value
2026
September 2026$578K
August 2026$575K
July 2026$583K
June 2026$584K
May 2026$593K
April 2026$579K
March 2026$582K
February 2026$566K
January 2026$558K
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
1155 Canyon Blvd #301, Boulder, CO
0.66
Apartment
$1,150,000
12/31/25
1
1
1,038
Address Not Disclosed, Boulder, CO
0.45
Apartment
$1,611,700
05/18/26
1
1
500
1265 Balsam Ave, Boulder, CO
0.69
Apartment
$1,125,000
03/02/26
1
1
750
2950 Broadway St #4, Boulder, CO
0.74
Apartment
$610,000
11/05/25
2
1
883
812 Walnut St #D, Boulder, CO
0.50
Apartment
$750,000
11/04/25
2
2
1,008
715 Arapahoe Ave #1, Boulder, CO
0.58
Apartment
$650,000
08/03/26
3
2
1,240
2810 E College Ave #109, Boulder, CO
2.01
Apartment
$432,550
08/03/26
1
1
801
1805 Forest Ave #A, Boulder, CO
1.21
Apartment
$1,250,000
04/14/26
3
2
1,300
2324 19th St, Boulder, CO
1.02
Apartment
$900,000
07/15/26
2
1
900
961 16th St #2, Boulder, CO
1.45
Apartment
$355,000
01/20/26
1
1
449
Home facts updated by county records

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
421 Mapleton Ave #A, Boulder, CO 80304
0.01
$727,000
1
1
618
Recently Sold
433 Mapleton Avenue #A, Boulder, CO 80304
0.00
$802,000
1
1
724
Off Market
2424 4th St, Boulder, CO 80304
0.03
$1,487,600
3
2
2,234
Off Market
417 Mapleton Ave #B, Boulder, CO 80304
0.01
$1,044,800
1
1.5
1,207
Off Market
2409 5th St, Boulder, CO 80304
0.02
$3,500,000
4
4.5
4,343
For Sale
2449 5th St, Boulder, CO 80304
0.06
$2,651,475
5
4
3,549
Recently Sold
2325 4th St, Boulder, CO 80302
0.07
$1,453,400
2
2
1,282
Off Market
330 Mapleton Ave, Boulder, CO 80304
0.08
$2,133,100
3
2
2,626
Off Market
516 Maxwell Ave, Boulder, CO 80304
0.07
$4,236,000
4
4.5
3,633
Off Market
424 Concord Ave, Boulder, CO 80304
0.11
$2,194,500
3
2
2,875
Off Market
545 Mapleton Ave, Boulder, CO 80304
0.09
$2,225,000
3
3
2,940
Recently Sold
527 Maxwell Ave, Boulder, CO 80304
0.11
$2,753,500
4
3.5
2,806
Off Market

Local Information

  • Map ViewExplore the area around 433 Mapleton Ave #B.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Apartment
Built in 1906
724 sqft
$798/sqft
Garage

About this House

What's unique:Historic districtPearl stOpen concept
Location can't be beat. This loft apartment is located in the beautiful Mapleton Hill Historic District on 4th & Mapleton in the heart of West Boulder. This upscale gem is just a 4 min walk to open space & Mount Sanitas Trail, and a 10 min walk to West Pearl St. Mall. Arguably the best unit in the building (top right corner unit) with front and rear balconies and views. Open concept with original exposed brick interiors, concrete counter tops, and wood floors.

1 BR/1B (647 sq ft)

Price: $2700/mo

Utilities:

Paid by landlord: water & heat (radiant heat from the building boiler)

Paid by tenant: Xcel, cable, internet

HOA covers building upkeep, snow removal & grounds maintenance

Off-street parking (in rear)

W/D shared in basement of building

Available Dec 1st (negotiable)

Lease term (negotiable)
433 Mapleton Ave #B, Boulder, CO 80304 is a 1 bedroom, 1 bathroom, 724 sqft apartment in Mapleton Hill, built in 1906. It last sold for $349,000 on Aug 29, 2001. More recently, it was listed as a rental in October 2021 with an asking price of $2,500 per month. That rental listing was removed on November 2, 2021. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $577,400, with a rent estimate of $2,005/month.

Home Details for 433 Mapleton Ave #B

Interior Features

Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1Floors: Hardwood
Interior Details
Number of Rooms: 4

Property Information

Year Built
Year Built: 1906Year Updated: 1979
Property Type / Style
Property Type: ApartmentArchitecture: Other

Exterior Features

Exterior Home Features
DeckExterior: Brick, Cement Concrete
Parking & Garage
GarageParking: Off Street, Garage

Community

Units in Building: 1

Additional Information

On Site Laundry Available

Price and Tax history

DateEventPrice
Nov 2, 2021
Source: Zillow Rental Manager
ListingRemoved
Oct 26, 2021
Source: Zillow Rental Manager
Listed For Rent
$2,500
Aug 29, 2001
Source: N/A
Sold
$349,000

Market trends in Boulder

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$904K
$6.67KMoM
Sale-to-List Price
98.2%
0.2%MoM
Price per sq ft
$489
$10MoM
Available listings
765
3MoM

Around this home

Neighborhood Overview

Mapleton Hill
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Mapleton Hill

At least 9 Trulia users voted on each feature.

  • 100 % Say it's walkable to restaurants

  • 100 % Say there are sidewalks

  • 95 % Say it's dog friendly

  • 90 % Say it's walkable to grocery stores

  • 84 % Say yards are well-kept

  • 82 % Say people would walk alone at night

  • 78 % Say kids play outside

  • 75 % Say there's wildlife

  • 67 % Say there's holiday spirit

  • 67 % Say parking is easy

  • 67 % Say there are community events

  • 64 % Say it's quiet

  • 63 % Say they plan to stay for at least 5 years

  • 57 % Say neighbors are friendly

  • 56 % Say streets are well-lit

  • 29 % Say car is needed

Sourced by Trulia users. Learn more about our methodology.
  • Trulia User
    "I bike to campus in 20 minutes and it’s great besides the traffic and gas fumes from cars which sucks transit is very good here, bus stops all up and down Broadway."
    0
    Flag
  • Trulia User
    "It seems as if most people own dogs . Very dog friendly . Dogs always seem well trained . Dogs also seem very friendly . "
    1
    Flag
  • Liz J.
    "There are lots of dog walkers and runners. Many wet dogs show that there is good swimming in the ditches. "
    1
    Flag
  • Taraarnolds
    "Loads of people out walking dogs and many folks stopping to chat too. You'll sometimes hear a dog or two barking, but never for long."
    0
    Flag
  • Thomas
    "I've lived in the Mapleton Hill neighborhood for 5 years. It is so convenient and quaint; my kids just love having the freedom to play with all the other kids here."
    1
    Flag
  • Maxclauson c. n.
    "Historic neighborhood that is close to town but secluded enough to be calm and quiet. Filled with interesting new arrivals and long time residents. "
    3
    Flag
  • Noah B.
    "Quiet and calm neighborhood, close to everything that makes Boulder great. Easy access to Pearl, Sanitas, Wonderland, and Ideal Market area. "
    1
    Flag
  • amazingdairy
    "West Pearl is truly a neighborhood unto itself, with a variety of shops & cafes and easy access to trails. Start your day with some tea and scones at Spruce Confections, enjoy browsing various antique stores and Two Hand Paperie, then select a bottle of wine at West End Wine Shop. Lolita's is conveniently located across the street to pick up last minute groceries for dinner, or you can enjoy a slice at Nick and Willy's and have some confectionary treats at Piece, Love & Chocolate. Settlers' Park is just down the street, as well as the trail heads to Red Rocks & Sanitas, and the Boulder Bike Path. When you live here, everything that makes Boulder so wonderful is only steps away!"
    2
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 433 Mapleton Ave #B

  • What is 433 Mapleton Ave #B estimated to be worth?
    Trulia's estimated value for 433 Mapleton Ave #B in Boulder, CO is $577,400.
  • What is the price history for 433 Mapleton Ave #B?
    433 Mapleton Ave #B in Boulder, CO last sold for $349,000 in August 2001.
  • 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 $904K. That is up $6.67K from the prior month.
  • Does 433 Mapleton Ave #B have laundry facilities?
    Yes, 433 Mapleton Ave #B in Boulder, CO has laundry facilities.

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