$1,103,700
- 3 Beds
- 2 Baths
- 2,394 sqft
100 31st St, Boulder, CO 80305
Est. Refi. Payment $6,454/mo*
Refinance Your HomeCurrently Off Market - Sold Jul 10, 2008 for $335,000
Home Value
Trulia Estimate
$1.1MSince last month
$100 (0%)Since last year
Increased$52K (+5%)Since last sale
Increased$766K (+228.7%)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 +62% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $1.1M |
| August 2026 | $1.1M |
| July 2026 | $1.09M |
| June 2026 | $1.1M |
| May 2026 | $1.09M |
| April 2026 | $1.09M |
| March 2026 | $1.09M |
| February 2026 | $1.06M |
| January 2026 | $1.02M |
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 |
|---|---|---|---|---|---|---|---|
0.07 | Single-Family Home | $781,000 | 06/01/26 | 4 | 1.5 | 1,352 | |
0.20 | Single-Family Home | $700,000 | 06/01/26 | 3 | 2 | 1,204 | |
0.21 | Single-Family Home | $895,000 | 10/22/25 | 3 | 2 | 1,420 | |
0.08 | Single-Family Home | $830,000 | 05/14/26 | 4 | 2 | 1,314 | |
0.44 | Single-Family Home | $707,500 | 11/18/25 | 3 | 1.5 | 2,169 | |
0.26 | Single-Family Home | $838,864 | 09/14/26 | 3 | 2 | 1,426 | |
0.27 | Single-Family Home | $971,547 | 10/16/25 | 3 | 2.5 | 2,542 | |
0.27 | Single-Family Home | $821,000 | 09/15/26 | 3 | 2 | 1,282 | |
0.26 | Single-Family Home | $1,212,000 | 08/07/26 | 3 | 2 | 1,478 | |
0.36 | Single-Family Home | $848,000 | 12/19/25 | 3 | 2 | 1,612 |
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 |
|---|---|---|---|---|---|---|
0.05 | $825,000 | 3 | 1 | 1,026 | Recently Sold | |
0.06 | $861,200 | 3 | 2 | 1,505 | Off Market | |
0.03 | $1,592,000 | 4 | 4 | 2,535 | Off Market | |
0.02 | $978,500 | 3 | 1 | 1,296 | Off Market | |
0.05 | $887,300 | 4 | 2 | 1,296 | Off Market | |
0.08 | $830,000 | 4 | 2 | 1,314 | Recently Sold | |
0.09 | $769,700 | 3 | 1 | 1,040 | Off Market | |
0.11 | $700,000 | 2 | 1 | 1,054 | Recently Sold | |
0.13 | $655,900 | 3 | 1 | 960 | Off Market | |
0.07 | $781,000 | 4 | 1.5 | 1,352 | Recently Sold | |
0.07 | $883,800 | 4 | 1 | 1,270 | Off Market | |
0.10 | $750,000 | 3 | 1 | 1,040 | Recently Sold |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 1955
2,394 sqft
$461/sqft
Garage
About this House
3br - 2694ft -
Amazing Rental not your typical rental Available Aug 1st (Boulder, CO ,CU) - Gas forced air, over sized bedrooms, fenced yard, utilities are not included. Security deposit typically equal 1 months rent. Just Blocks away from CU and easy access to SoBo and Downtown. No car needed. Please email to set up a showing.
(RLNE2028538)
Amazing Rental not your typical rental Available Aug 1st (Boulder, CO ,CU) - Gas forced air, over sized bedrooms, fenced yard, utilities are not included. Security deposit typically equal 1 months rent. Just Blocks away from CU and easy access to SoBo and Downtown. No car needed. Please email to set up a showing.
(RLNE2028538)
100 31st St, Boulder, CO 80305 is a 3 bedroom, 2 bathroom, 2,394 sqft single-family home in Martin Acres, built in 1955. It last sold for $335,000 on Jul 10, 2008. More recently, it was listed as a rental in January 2018 with an asking price of $4,000 per month. That rental listing was removed on February 1, 2018. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,103,700, with a rent estimate of $3,773/month.
Home Details for 100 31st St
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Heating & Cooling Heating: Forced AirHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 1Floors: Hardwood |
Interior Details Number of Rooms: 9 |
Appliances & Utilities DishwasherDryerWasher |
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Exterior Home Features Roof: AsphaltExterior: StoneLawn |
Parking & Garage GarageParking: Garage Attached |
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Year Built Year Built: 1955Year Updated: 1990 |
Property Type / Style Property Type: Single Family HomeArchitecture: Ranch / Rambler |
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Units in Building: 1 |
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Lot Area: 7730 sqft |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Feb 1, 2018 Source: Agent Provided | ListingRemoved | $2,600 |
Jan 18, 2018 Source: Agent Provided | PriceChange | $2,600 Price decreased by 35% |
Jan 8, 2018 Source: Agent Provided | Listed For Rent | $4,000 |
Jun 23, 2017 Source: Agent Provided | ListingRemoved | $3,900 |
Jan 17, 2017 Source: Agent Provided | Listed For Rent | $3,900 |
Feb 4, 2016 Source: Agent Provided | ListingRemoved | $3,800 |
Jan 18, 2016 Source: Agent Provided | Listed For Rent | $3,800 |
Jan 29, 2015 Source: Agent Provided | ListingRemoved | $3,500 |
Jan 13, 2015 Source: Agent Provided | Listed For Rent | $3,500 |
Jul 29, 2014 Source: Agent Provided | ListingRemoved | $3,400 |
Apr 13, 2014 Source: Agent Provided | Listed For Rent | $3,400 |
Jul 10, 2008 Source: N/A | Sold | $335,000 |
Jun 18, 2004 Source: N/A | Sold | $346,750 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $6,646 | $1,092,600 |
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
Frequently asked questions about 100 31st St
- What is 100 31st St estimated to be worth?Trulia's estimated value for 100 31st St in Boulder, CO is $1,103,700.
- What is the price history for 100 31st St?100 31st St in Boulder, CO last sold for $335,000 in July 2008.
- 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 100 31st St have laundry facilities?Yes, 100 31st St in Boulder, CO has in-unit laundry.
- How big is the lot at 100 31st St?The lot at 100 31st St in Boulder, CO is about 0.18 acres (7,730 sq ft).

