870 12th St, Boulder, CO 80302
Property image
Property image
OFF MARKET

$2,656,000

Trulia Estimate
  • 5 Beds
  • 4 Baths
  • 3,608 sqft

870 12th St, Boulder, CO 80302

University Hill
Est. Refi. Payment $14,973/mo*
Refinance Your Home
Currently Off Market - Sold Mar 2, 2023 for $2,475,000

Home Value

Trulia Estimate
$2.66M
Since last month
Decreased$25K (-0.9%)
Since last year
Decreased$10K (-0.4%)
Since last sale
Increased$185K (+7.5%)
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 +57% in the last 10 years
MonthEstimated value
2026
August 2026$2.66M
August 2026$2.65M
July 2026$2.68M
June 2026$2.73M
May 2026$2.71M
April 2026$2.72M
March 2026$2.71M
February 2026$2.67M
January 2026$2.58M
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
851 14th St, Boulder, CO
0.10
Single-Family Home
$2,995,000
04/02/26
5
3.5
4,773
839 13th St, Boulder, CO
0.05
Single-Family Home
$2,100,000
03/27/26
6
4
3,210
845 14th St, Boulder, CO
0.10
Single-Family Home
$2,295,000
01/13/26
4
2.5
3,297
765 13th Street, Boulder, CO
0.14
Single-Family Home
$2,300,606
08/10/26
6
3
3,395
1021 9th Street, Boulder, CO
0.33
Single-Family Home
$2,472,500
05/14/26
5
4
3,743
789 15th Street, Boulder, CO
0.19
Single-Family Home
$2,300,000
07/23/26
4
2.5
3,356
1502 Columbine Avenue, Boulder, CO
0.36
Single-Family Home
$2,245,000
02/02/26
4
4
3,430
945 14th St, Boulder, CO
0.13
Single-Family Home
$1,650,000
12/04/25
5
2.5
2,689
1029 9th Street, Boulder, CO
0.34
Single-Family Home
$2,450,000
10/14/25
5
4.5
3,434
810 College Ave, Boulder, CO
0.45
Single-Family Home
$3,500,000
02/12/26
5
4
3,448

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
861 13th St, Boulder, CO 80302
0.03
$2,096,000
3
2
3,213
Off Market
865 13th Street, Boulder, CO 80302
0.03
$1,720,000
4
2
2,201
Recently Sold
839 13th St, Boulder, CO 80302
0.05
$2,100,000
6
4
3,210
Recently Sold
820 12th St, Boulder, CO 80302
0.07
$1,868,400
3
2
2,277
Off Market
834-836 13th St, Boulder, CO 80302
0.08
$1,661,900
4
4
2,836
Off Market
916 12th St, Boulder, CO 80302
0.06
$1,845,500
4
2.5
2,860
Off Market
851 14th St, Boulder, CO 80302
0.10
$2,995,000
5
3.5
4,773
Recently Sold
845 14th St, Boulder, CO 80302
0.10
$2,295,000
4
2.5
3,297
Recently Sold
895 11th St, Boulder, CO 80302
0.10
$1,165,800
4
2
1,950
Off Market
945 12th Street, Boulder, CO 80302
0.10
$1,896,900
3
2
2,551
Off Market
765 13th Street, Boulder, CO 80302
0.14
$2,300,606
6
3
3,395
Recently Sold
757 12th St, Boulder, CO 80302
0.15
$949,000
-
-
-
For Sale

Local Information

  • Map ViewExplore the area around 870 12th St.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1904
3,608 sqft
$736/sqft

About this House

Beautiful, Edwardian-style home. This historic home is set on large, lushly landscaped lot, blocks from Chautauqua Park, CU, restaurants, and shops. Extensively and tastefully restored and updated. Light, airy, and functional floor plan. Three bedrooms upstairs (including master suite) and area in basement for another bed. One-of-a-kind roof top deck (access through master suite) with bed and functioning tub, and spectacular views of mountains and plains. Wood deck and stone patio. Rental License pending but considered granted per City. No more than 3 unrelated
870 12th St, Boulder, CO 80302 is a 5 bedroom, 4 bathroom, 3,608 sqft single-family home in University Hill, built in 1904. It last sold for $2,475,000 on Mar 2, 2023. More recently, it was listed as a rental in December 2018 with an asking price of $4,500 per month. That rental listing was removed on January 29, 2019. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $2,656,000, with a rent estimate of $7,223/month.

Home Details for 870 12th St

Interior Features

Interior Details
BasementNumber of Rooms: 11Types of Rooms: Laundry Room
Heating & Cooling
Heating: Forced Air, GasHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 3Floors: Hardwood
Appliances & Utilities
DishwasherDryerMicrowaveRefrigeratorWasher
Fireplace & Spa
Fireplace

Exterior Features

Exterior Home Features
Roof: OtherDeckExterior: BrickLawnPorch

Property Information

Year Built
Year Built: 1904Year Updated: 2016
Property Type / Style
Property Type: Single Family HomeArchitecture: Other

Community

Units in Building: 1

Lot Information

Lot Area: 9147 sqft

Price and Tax history

DateEventPrice
Mar 2, 2023
Source: IRES as distributed by MLS GRID #981059
Sold
$2,475,000
Jan 25, 2023
Source: IRES as distributed by MLS GRID #981059
Listed For Sale
$2,685,000
Jan 29, 2019
Source: Agent Provided
ListingRemoved
$4,500
Dec 16, 2018
Source: Agent Provided
Listed For Rent
$4,500
Jun 5, 2014
Source: N/A
Sold
$1,330,000

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

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

What Locals Say about University Hill

At least 8 Trulia users voted on each feature.

  • 100 % Say it's walkable to restaurants

  • 100 % Say there are sidewalks

  • 89 % Say it's dog friendly

  • 88 % Say there's wildlife

  • 69 % Say it's walkable to grocery stores

  • 67 % Say streets are well-lit

  • 60 % Say people would walk alone at night

  • 44 % Say there's holiday spirit

  • 44 % Say neighbors are friendly

  • 38 % Say yards are well-kept

  • 25 % Say it's quiet

  • 22 % Say there are community events

  • 21 % Say kids play outside

  • 15 % Say car is needed

  • 13 % Say parking is easy

Sourced by Trulia users. Learn more about our methodology.
  • Trulia User
    "Central to everything and great hiking nearby but also noisy, rude college kids. Lots of illegally off leash dogs. "
    1
    Flag
  • Jessica O.
    "Definitely a college neighborhood. Fun place to live, near campus as well as parties,but it is loud. "
    0
    Flag
  • Alec W.
    "College community. Sometimes you forget real people live right on the outer edges of it. Amazing place to live, tons of nightlife, and great food. Not where you want to live if you’re looking for quiet "
    7
    Flag
  • johnarmstrong
    "The Chautauqua neighborhood is the best in Boulder. Bordering Chautauqua Park, great views of the Flatirons, walking distance to CU and The Hill, easy access to 36, great schools, and acre upon acre of Open Space, this is the place to live in Boulder."
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 870 12th St

  • What is 870 12th St estimated to be worth?
    Trulia's estimated value for 870 12th St in Boulder, CO is $2,656,000.
  • What is the price history for 870 12th St?
    870 12th St in Boulder, CO last sold for $2,475,000 in March 2023.
  • 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 870 12th St have laundry facilities?
    Yes, 870 12th St in Boulder, CO has in-unit laundry.
  • How big is the lot at 870 12th St?
    The lot at 870 12th St in Boulder, CO is about 0.21 acres (9,169 sq ft).

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Apartments for Rent

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Off Market Homes Near 870 12th St

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