3135 23rd St, Boulder, CO 80304
Property image
Property image
OFF MARKET

3135 23rd St
Boulder, CO 80304

Old North Boulder
  • 3 Beds
  • 2 Baths
  • 2,052 sqft

$1,285,100

Trulia Estimate
as of Jul 25, 2026
Est. Refi. Payment $7,182/mo*

$1,285,100

Trulia Estimate
as of Jul 25, 2026
Est. Refi. Payment $7,182/mo*
3 Beds
2 Baths
2,052 sqft

Local Information

  • Map ViewExplore the area around 3135 23rd 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
1958
Living Area
2,052 sqft
Price/Sqft
$626
Parking
Garage

About this House

Welcome to this turn key Mid-Century modern home!Remodeled in 2016 with an open concept,new kitchen w/quartz countertops,new appliances,USB outlets,Lutron lighting system, all new lighting on main floor, new electrical panel.Full basement remodel including gas fireplace,bedroom w/en suite bath.Newer double pane windows in house that are energy efficient.Enjoy the fabulous large covered patio and modern landscaping in a private setting.2019 updates include new roof,boiler,hot water heater,refinished hardwoods and new oak stairs to lower level.Amazing location close to schools,bike trails,Rayback,Ideal Market!
3135 23rd St, Boulder, CO 80304 is a 3 bedroom, 2 bathroom, 2,052 sqft single-family home in Old North Boulder, built in 1958. It last sold for $949,000 on Feb 28, 2020. It is currently off market. The Trulia Estimate is $1,285,100, with a rent estimate of $4,534/month.

Home Details for 3135 23rd St

Interior Features

Interior Details
BasementNumber of Rooms: 8
Heating & Cooling
Heating: Other, OtherHeating Fuel: Other
Levels, Entrance, & Accessibility
Stories: 1
Appliances & Utilities
DishwasherDryerRefrigeratorWasher
Fireplace & Spa
Fireplace

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: StonePatio
Parking & Garage
GarageParking Space: 1Parking: Garage Attached

Property Information

Year Built
Year Built: 1958Year Updated: 1958
Property Type / Style
Property Type: Single Family HomeArchitecture: Ranch / Rambler

Community

Units in Building: 1

Lot Information

Lot Area: 6534 sqft

Price History for 3135 23rd St

DatePriceEventSource
02/28/2020$949,000Sold
IRES as distributed by MLS GRID #902406
02/28/2020$949,000PendingToActiveAgent Provided
02/03/2020$949,000PendingAgent Provided
01/23/2020$949,000Listed For SaleAgent Provided
05/01/1998$189,900Sold
N/A

Market trends in Boulder

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$891K
$60.83K
MoM
Sale-to-List Price
98.2%
0.4%
MoM
Price per sq ft
$503
$2
MoM
Available listings
778
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Property Tax and Assessment

Year2025
Tax$7,436
Assessment$1,282,000
Home facts updated by county records

Comparable Sales for 3135 23rd St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.10
Single-Family Home
$950,000
03/31/26
4
2
2,048
0.14
Single-Family Home
$1,035,000
12/12/25
4
2
2,080
0.15
Single-Family Home
$1,300,000
03/04/26
3
2
1,786
0.18
Single-Family Home
$1,065,000
03/27/26
3
2
2,896
0.17
Single-Family Home
$878,000
08/28/25
6
2
2,376
0.34
Single-Family Home
$1,017,800
04/24/26
3
1.5
1,806
0.08
Single-Family Home
$1,260,000
04/01/26
4
2.5
2,487
0.19
Single-Family Home
$985,000
05/29/26
3
1.5
1,551
0.21
Single-Family Home
$898,000
06/22/26
4
2
1,354
0.34
Single-Family Home
$1,299,900
03/05/26
3
2
1,493

Nearby homes

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Assigned Schools

These are the assigned schools for 3135 23rd St.
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

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

Apartments for Rent

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Homes for sale near 3135 23rd St

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Off Market Homes Near 3135 23rd St

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