820 12th St, Boulder, CO 80302
Property image
Property image
OFF MARKET

$1,872,600

Trulia Estimate
  • 3 Beds
  • 2 Baths
  • 2,277 sqft

820 12th St, Boulder, CO 80302

University Hill
Est. Refi. Payment $10,899/mo*
Refinance Your Home
Currently Off Market - Sold Feb 28, 2025 for $1,590,000

Home Value

Trulia Estimate
$1.87M
Since last month
Decreased$6K (-0.3%)
Since last year
Increased$138K (+8%)
Since last sale
Increased$272K (+17.1%)
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 +84% in the last 10 years
MonthEstimated value
2026
September 2026$1.86M
August 2026$1.87M
July 2026$1.84M
June 2026$1.88M
May 2026$1.82M
April 2026$1.85M
March 2026$1.83M
February 2026$1.78M
January 2026$1.74M
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
778 13th St, Boulder, CO
0.09
Single-Family Home
$1,972,000
09/04/26
4
3
2,770
764 14th St, Boulder, CO
0.15
Single-Family Home
$1,800,000
02/27/26
5
2
2,879
845 14th St, Boulder, CO
0.10
Single-Family Home
$2,295,000
01/13/26
4
2.5
3,297
1512 Mariposa Ave, Boulder, CO
0.37
Single-Family Home
$1,025,000
09/26/25
3
2
2,023
943 10th St, Boulder, CO
0.23
Single-Family Home
$1,645,000
06/15/26
4
3
1,958
945 14th St, Boulder, CO
0.18
Single-Family Home
$1,650,000
12/04/25
5
2.5
2,689
751 Grant Pl, Boulder, CO
0.35
Single-Family Home
$1,995,000
05/20/26
3
2.5
2,490
765 13th Street, Boulder, CO
0.07
Single-Family Home
$2,300,606
08/10/26
6
3
3,395
1625 Mariposa Ave, Boulder, CO
0.39
Single-Family Home
$2,500,000
07/20/26
3
2.5
2,340
1709 Mariposa Ave, Boulder, CO
0.42
Single-Family Home
$1,606,600
09/03/26
3
3.5
1,802

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
839 13th St, Boulder, CO 80302
0.04
$2,100,000
6
4
3,210
Recently Sold
765 13th Street, Boulder, CO 80302
0.07
$2,300,606
6
3
3,395
Recently Sold
861 13th St, Boulder, CO 80302
0.06
$2,087,800
3
2
3,213
Off Market
757 12th St, Boulder, CO 80302
0.09
$949,000
-
-
-
For Sale
834-836 13th St, Boulder, CO 80302
0.07
$1,627,700
4
4
2,836
Off Market
778 13th St, Boulder, CO 80302
0.09
$1,972,000
4
3
2,770
Recently Sold
740 12th St, Boulder, CO 80302
0.10
$2,130,500
4
2.5
3,746
Off Market
865 13th Street, Boulder, CO 80302
0.07
$1,720,000
4
2
2,201
Recently Sold
735 12th St, Boulder, CO 80302
0.11
$2,723,900
4
3.5
4,411
Off Market
845 14th St, Boulder, CO 80302
0.10
$2,295,000
4
2.5
3,297
Recently Sold
851 14th St, Boulder, CO 80302
0.10
$2,995,000
5
3.5
4,773
Recently Sold

Local Information

  • Map ViewExplore the area around 820 12th St.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1954
2,277 sqft
$822/sqft
1 Car Garage

About this House

What's unique:Large lotIntentional and functional designPrivate outdoor living space
Your home search has just been rewarded! It's as close to a relationship with your home as you might ever feel. It's about feeling the energy that resonates through these walls, through these rooms and throughout the private outdoor living space which reminds you that you're home and that everything's right! Situated on a large lot just steps from Historic Chautauqua Park, this traditional ranch-style home in coveted Upper University Place evokes a sense of bygone days, where time moves a bit more slowly and where you can slow down and step away from the everyday. This home has been so well maintained by the current owner. If you've been wanting to live in this location but haven't found a glorious turnkey home, you will find it here. When you talk to friends about all the feels, this property is what you were talking about. When you asked for quiet neighborhood with close access to open space trails and mountain parks, this is what you envisioned.If this home has a soul, and it does, then the main living area may well be the heart. With intentional and functional design it greets you with warmth. A simple place to relax and soak in the vibe of the nearby park and its fabled Flatirons aura. When they talk about relationships, this home was built for it. There's a soul that resonates here. We want you to feel it. Welcome to 820 12th Street - the Sigma Oasis!
820 12th St, Boulder, CO 80302 is a 3 bedroom, 2 bathroom, 2,277 sqft single-family home in University Hill, built in 1954. It last sold for $1,590,000 on Feb 28, 2025 (2% below the $1,625,000 asking price). This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,872,600, with a rent estimate of $4,523/month.
Last check for updates: about 6 hours ago
Listed by Jon Hatch, (303) 513-2834
Compass - Boulder
Bought with: Sarah Piampiano, (415) 505-5998, 8z Real Estate
Source: IRES as distributed by MLS GRID, MLS#1026111

Home Details for 820 12th St

Interior Features

Interior Details
Basement: Partially FinishedNumber of Rooms: 7Types of Rooms: Primary Bedroom, Bedroom 2, Bedroom 3, Dining Room, Kitchen, Laundry, Living Room
Beds & Baths
Number of Bedrooms: 3Number of Bathrooms: 2Number of Bathrooms (full): 1Number of Bathrooms (three quarters): 1Number of Bathrooms (main level): 1
Dimensions and Layout
Living Area: 2277 Square Feet
Appliances & Utilities
Utilities: Natural Gas Available, Electricity AvailableAppliances: Gas Range, Dishwasher, Refrigerator, Washer, Dryer, MicrowaveDishwasherDryerMicrowaveRefrigeratorWasher
Heating & Cooling
Heating: Forced Air,Zoned,2 or more Heat SourcesHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Forced Air
Fireplace & Spa
Fireplace: Two or More, Living Room, Family RoomSpa: BathHas a Fireplace
Gas & Electric
Electric: XcelGas: XcelHas Electric on Property
Windows, Doors, Floors & Walls
Window: Window Coverings
Levels, Entrance, & Accessibility
Stories: 1Levels: One
View
Has a ViewView: Hills

Exterior Features

Exterior Home Features
Roof: CompositionPatio / Porch: Patio, DeckFencing: FencedExterior: Sprinkler SystemSprinkler System
Parking & Garage
Number of Garage Spaces: 1Number of Covered Spaces: 1Other Parking: AttachedNo CarportHas a GarageHas an Attached GarageParking Spaces: 1Parking: Attached
Frontage
Not on Waterfront
Water & Sewer
Sewer: Public Sewer
Farm & Range
Does Not Include Irrigation Water Rights
Finished Area
Finished Area (above surface): 1419 Square Feet

Property Information

Year Built
Year Built: 1954
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence
Building
Construction Materials: BrickNot a New ConstructionNot Attached Property
Property Information
Usage of Home: Single FamilyNot Included in Sale: Staging items and some of owners furnishing may be included.Parcel Number: R0003789

Price & Status

Price
List Price: $1,625,000

Active Status

MLS Status: Sold

Location

Direction & Address
City: BoulderCommunity: University Place
School Information
Elementary School: FlatironsJr High / Middle School: ManhattanHigh School: BoulderHigh School District: Boulder Valley Dist RE2

Building

Building Area
Building Area: 1419 Square Feet

HOA

No HOA

Lot Information

Lot Area: 9136 sqft

Listing Info

Special Conditions: Private Owner

Offer

Listing Terms: Cash, Conventional

Rental Terms, Policies & Fees

Are Units Furnished: Varies By Unit

Miscellaneous

BasementMls Number: 1026111Attribution Contact: 303-513-2834Above Grade Unfinished Area: 1419Activation Date: Sat Feb 08 2025Showing Service Name: ShowingTime

Price and Tax history

DateEventPrice
Feb 28, 2025
Source: IRES as distributed by MLS GRID #1026111
Sold
$1,590,000
Feb 14, 2025
Source: REcolorado as distributed by MLS GRID #IR1026111
Pending
$1,625,000
Feb 8, 2025
Source: IRES as distributed by MLS GRID #1026111
Listed For Sale
$1,625,000

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

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

Based on information submitted to the MLS GRID as of 2026-09-22 19:28:21 PDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. Click here for more information

Frequently asked questions about 820 12th St

  • What is 820 12th St estimated to be worth?
    Trulia's estimated value for 820 12th St in Boulder, CO is $1,872,600.
  • What is the price history for 820 12th St?
    820 12th St in Boulder, CO last sold for $1,590,000 in February 2025.
  • 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 820 12th St have air conditioning?
    Yes, 820 12th St in Boulder, CO has air conditioning.
  • Does 820 12th St have laundry facilities?
    Yes, 820 12th St in Boulder, CO has in-unit laundry.

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