$1,224,900
- 3 Beds
- 2 Baths
- 1,330 sqft
285 31st St, Boulder, CO 80305
Est. Refi. Payment $7,142/mo*
Refinance Your HomeCurrently Off Market - Sold Jun 8, 2026 for $1,230,000 (23% above list price)
Home Value
Trulia Estimate
$1.23MSince last month
Decreased$4K (-0.3%)Since last year
Increased$501K (+69.4%)Since last sale
Decreased$8K (-0.7%)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 +122% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $1.22M |
| August 2026 | $1.23M |
| July 2026 | $1.23M |
| June 2026 | $1.23M |
| May 2026 | $992K |
| April 2026 | $993K |
| March 2026 | $738K |
| February 2026 | $716K |
| January 2026 | $706K |
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 |
|---|---|---|---|---|---|---|---|
0.06 | Single-Family Home | $821,000 | 09/15/26 | 3 | 2 | 1,282 | |
0.10 | Single-Family Home | $848,000 | 12/19/25 | 3 | 2 | 1,612 | |
0.28 | Single-Family Home | $895,000 | 10/22/25 | 3 | 2 | 1,420 | |
0.14 | Single-Family Home | $638,000 | 08/05/26 | 3 | 1.5 | 960 | |
0.46 | Single-Family Home | $1,212,000 | 08/07/26 | 3 | 2 | 1,478 | |
0.37 | Single-Family Home | $838,864 | 09/14/26 | 3 | 2 | 1,426 | |
0.05 | Single-Family Home | $750,000 | 06/02/26 | 3 | 1 | 1,040 | |
0.09 | Single-Family Home | $755,000 | 06/29/26 | 3 | 1 | 1,040 | |
0.29 | Single-Family Home | $830,000 | 05/14/26 | 4 | 2 | 1,314 |
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 |
|---|---|---|---|---|---|---|
0.03 | $743,200 | 3 | 1 | 960 | Off Market | |
0.05 | $907,400 | 4 | 1 | 1,090 | Off Market | |
0.05 | $750,000 | 3 | 1 | 1,040 | Recently Sold | |
0.06 | $821,000 | 3 | 2 | 1,282 | Recently Sold | |
0.05 | $1,085,100 | 4 | 2 | 1,754 | Off Market | |
0.09 | $740,000 | 2 | 1 | 960 | For Sale | |
0.10 | $848,000 | 3 | 2 | 1,612 | Recently Sold | |
0.09 | $755,000 | 3 | 1 | 1,040 | Recently Sold | |
0.09 | $605,000 | 2 | 1 | 792 | Recently Sold | |
0.10 | $750,000 | 3 | 1 | 1,370 | Recently Sold | |
0.10 | $941,100 | 4 | 1 | 1,602 | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 1955
1,330 sqft
$925/sqft
Garage
About this House
Set on a quiet, tree-lined street in the heart of South Boulder, this beautifully reimagined 1955 ranch blends high-end modern design with timeless character-offering exceptional curb appeal and true turnkey living.With 1,330 sq ft of thoughtfully designed living spaces, this 3-bedroom, 2-bath home was fully expanded and remodeled in 2018 with meticulous attention to detail. Vaulted ceilings and hardwood floors create a bright, open feel, while the gourmet kitchen and spa-inspired baths feature custom tile, premium fixtures, and handcrafted cabinetry. Distinctive elements-including structural steel accents and custom metal railings-add a refined architectural edge.The exterior features cedar and stucco siding (2018), new concrete driveway, and new roof (2020). Enjoy Colorado living from the covered post-and-beam front porch or relax in the private backyard oasis with cedar pergola, stone patio, hot tub, and fully hardscaped grounds featuring sandstone and Pennsylvania bluestone, complete with mature landscaping and automated irrigation.Two versatile outbuildings add significant value: a 220 sq ft heated garage/workshop with 220V power, and a 120 sq ft craftsman-built shed with power-ideal for office, studio, or gear storage.Proven 7-year Airbnb history generated $80K in 2025 (144 days, $555 avg/night), offering strong income potential. Included stamped plans for a pop-top addition provide a rare opportunity to nearly double the square footage. plans are a ($20K value). A truly distinctive property offering lifestyle, craftsmanship, income potential, and Flatiron views in one of SOBO's most desirable neighborhoods.
285 31st St, Boulder, CO 80305 is a 3 bedroom, 2 bathroom, 1,330 sqft single-family home in Martin Acres, built in 1955. It last sold for $1,230,000 on Jun 8, 2026 (23% above the $1,000,000 asking price). This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,224,900, with a rent estimate of $3,616/month.
Last check for updates: about 2 hours ago
Listed by Digger Braymiller, (720) 234-6390
RE/MAX of Boulder, Inc
Bought with: Ian Steinmo, (720) 884-6996, House Einstein
Source: IRES as distributed by MLS GRID, MLS#1057269

Home Details for 285 31st St
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Interior Details Basement: Crawl Space,Radon UnknownNumber of Rooms: 6Types of Rooms: Primary Bedroom, Bedroom 2, Bedroom 3, 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): 2 |
Dimensions and Layout Living Area: 1330 Square Feet |
Appliances & Utilities Utilities: Natural Gas Available, Electricity Available, High Speed AvailAppliances: Gas Range, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, DisposalDishwasherDisposalDryerRefrigeratorWasher |
Heating & Cooling Heating: Forced AirHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Forced Air |
Fireplace & Spa Spa: Heated |
Gas & Electric Electric: XcelGas: XcelHas Electric on Property |
Windows, Doors, Floors & Walls Window: Window Coverings |
Levels, Entrance, & Accessibility Stories: 1Levels: OneAccessibility: Level Lot |
View Has a ViewView: Mountain(s) |
Security Security: Fire Alarm |
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Exterior Home Features Roof: Composition RubberPatio / Porch: Patio, DeckFencing: Fenced, WoodOther Structures: Storage, OutbuildingExterior: Sprinkler SystemSprinkler System |
Parking & Garage Number of Garage Spaces: 1Number of Covered Spaces: 1Other Parking: DetachedNo CarportHas a GarageNo Attached GarageParking Spaces: 1Parking: Detached,Heated Garage |
Frontage Not on Waterfront |
Water & Sewer Sewer: Public Sewer |
Farm & Range Horse Amenities: Riding TrailDoes Not Include Irrigation Water Rights |
Finished Area Finished Area (above surface): 1330 Square Feet |
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Year Built Year Built: 1955 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceArchitecture: Contemporary |
Building Construction Materials: Stucco, CedarNot a New ConstructionNot Attached Property |
Property Information Usage of Home: Single FamilyNot Included in Sale: See if your submitting an offer in the docs tab for detailsParcel Number: R0004049 |
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Price List Price: $1,000,000Price Per Sqft: $925/sqft |
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MLS Status: Sold |
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Direction & Address City: BoulderCommunity: Highland Park 1 |
School Information Elementary School: Creekside, Bear CreekJr High / Middle School: ManhattanHigh School: FairviewHigh School District: Boulder Valley Dist RE2 |
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Building Area Building Area: 1330 Square Feet |
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No HOA |
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Lot Area: 7411 sqft |
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Special Conditions: Private Owner |
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Listing Terms: Cash, Conventional |
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Mls Number: 1057269Attribution Contact: 720-234-6390Above Grade Unfinished Area: 1330Activation Date: Thu Apr 23 2026Showing Service Name: ShowingTime |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Jun 8, 2026 Source: IRES as distributed by MLS GRID #1057269 | Sold | $1,230,000 |
Apr 30, 2026 Source: REcolorado as distributed by MLS GRID #IR1057269 | Pending | $1,000,000 |
Apr 23, 2026 Source: IRES as distributed by MLS GRID #1057269 | Listed For Sale | $1,000,000 |
Jul 19, 2013 Source: IRES as distributed by MLS GRID #712709 | Sold | $365,000 |
Jul 1, 2013 Source: Agent Provided | Listed For Sale | $355,000 |
Jun 6, 2007 Source: N/A | Sold | $312,500 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $4,463 | $756,600 |
Home facts updated by county records
Market trends in Boulder
Last updated August 2026
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
What Locals Say about Martin Acres
At least 18 Trulia users voted on each feature.
91 % Say there are sidewalks
90 % Say it's walkable to restaurants
87 % Say there's wildlife
83 % Say it's dog friendly
81 % Say people would walk alone at night
78 % Say it's walkable to grocery stores
63 % Say car is needed
60 % Say yards are well-kept
59 % Say parking is easy
50 % Say kids play outside
46 % Say there's holiday spirit
45 % Say neighbors are friendly
43 % Say streets are well-lit
33 % Say there are community events
29 % Say they plan to stay for at least 5 years
29 % Say it's quiet
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections

Based on information submitted to the MLS GRID as of 2026-09-17 14:13:33 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 285 31st St
- What is 285 31st St estimated to be worth?Trulia's estimated value for 285 31st St in Boulder, CO is $1,224,900.
- What is the price history for 285 31st St?285 31st St in Boulder, CO last sold for $1,230,000 in June 2026.
- 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 285 31st St have air conditioning?Yes, 285 31st St in Boulder, CO has air conditioning.
- Does 285 31st St have laundry facilities?Yes, 285 31st St in Boulder, CO has in-unit laundry.

