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1707 Walnut

1707 Walnut, Boulder, CO 80302
10 Units For Sale
Unit for sale at 1707 Walnut St, Boulder, CO 80302

$697,500

  • 1 Bed
  • 860 ft²
1707 Walnut St #209, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Unit for sale at 1707 Walnut St, Boulder, CO 80302

$879,999

  • 2 Beds
  • 2 Baths
  • 940 ft²
1707 Walnut St #202, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Unit for sale at 1707 Walnut St, Boulder, CO 80302

$779,000

  • 2 Beds
  • 2 Baths
  • 940 ft²
1707 Walnut St #103, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Unit for sale at 1707 Walnut St, Boulder, CO 80302

$774,000

  • 1 Bed
  • 1 Bath
  • 860 ft²
1707 Walnut St #308, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Unit for sale at 1707 Walnut St, Boulder, CO 80302

$799,000

  • 1 Bed
  • 1 Bath
  • 843 ft²
1707 Walnut St #208, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Unit for sale at 1707 Walnut St, Boulder, CO 80302

$1,075,500

  • 2 Beds
  • 2 Baths
  • 1,089 ft²
1707 Walnut St #206, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Unit for sale at 1707 Walnut St, Boulder, CO 80302

$799,000

  • 1 Bed
  • 1 Bath
  • 843 ft²
1707 Walnut St #307, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Unit for sale at 1707 Walnut St, Boulder, CO 80302

$705,000

  • 1 Bed
  • 1 Bath
  • 760 ft²
1707 Walnut St #207, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Unit for sale at 1707 Walnut St, Boulder, CO 80302

$899,000

  • 2 Beds
  • 2 Baths
  • 940 ft²
1707 Walnut St #203, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Unit for sale at 1707 Walnut St, Boulder, CO 80302

$898,200

  • 3 Beds
  • 2 Baths
  • 1,149 ft²
1707 Walnut St #101, Boulder, CO 80302 Listing by Debra Caplin, John Mcelveen

Local assessors in Boulder, CO have categorized 1707 Walnut as a type of property. The home was built in 2014 and is 12 years old. The property's lot size has been calculated to be 13,539 square feet. Sharp-eyed aficionados of architecture will notice that the home on the property was built in a . Now, let's dive a bit deeper into the details surrounding the home on the property. There are 94 rooms in the home. Of these, 44 have been legally categorized as bedrooms. For more details, please view your local government regulations on what counts as a legal bedroom. As for the restroom situation, there are 40 full bathrooms. There are also 70 partial bathrooms. If we look only at the heated or air conditioned part of the building, then 1707 Walnut has a total of 29,932 sqft of living area. Note that this number does not include the square footage of the garage, basement, and/or porch into its calculations.

Curious to learn more about the home? Our team of data engineers have sourced the most up-to-date information from the local assessors office to share with you. Additional features on the property are as follows. There is a for those who need a place to park their vehicle. The garage on the property is 12,017 sqft. Moving onto specific details regarding the building. Our sources show that the building condition is . It might sound scary but did you know that buildings can move depending on the weather? Both hot and cold weather can have severe impact on the longevity of your home structure depending on how much your home moves. Hence why architects pay a lot of attention to the type of control joints used in the construction process. Just so you know, this home was built with control joints. Not only do we know the type, but we also know that the assessors have graded the quality of these control joints with a letter grade - . The building has a roof that is made of . Lots of were used in the construction of the exterior walls of the home. While the walls in the interior have been made of . The home's is the primary heating source. We've gathered and summarized the following transaction history in an effort to provide more transparency and up-to-date information for our users. According to our sources, 1707 Walnut sold most recently in Apr 18, 2017 for a total of $15,600,000. If you work out the math, that's approximately a cost of $371.88 per sqft. Before that, the property was also sold for $2,873,350 in Oct 25, 2012. There could be many factors that caused the property to sell at a higher price and increase in value. Tax-wise, the current owner is expected to pay close to $6,429,498 in taxes each year. 1707 Walnut was most recently assessed in 2023. During this assessment, the property's total value was estimated to be about $1,395,822. If we break it down further, the land itself was valued at $89,636. Improvements to the property, however, were assessed at a total of $1,306,186. Homeowners who care about taxes, will be happy to see that the property's total assessed value has been marked as less than the total market value. Looking to take out a mortage loan? You may want to consider a conventional loan, which is considered one of the most common type of loans on the market. We'll cover the two different types of conventional loans (aka conforming and non-conforming), the pros and cons, and how they could benefit you compared to a FHA or specialty loan. Read more about conventional loans and how you can qualify for one.

Building Features

Facilities

Laundry Room

Parking

Attached Garage
Garage Parking

Accessibility

Elevators

Condition

Paved Lot

26 Past Sales

Date Unit Beds Baths Sqft Price Closed Listed By
20260225 Unit 209
02/25/2026
209
1 Bed
1 Bath
860 ft²
$599,000
bedrooms
1 Bed
bathrooms
1 Bath
square feet
860 ft²
$575,000 -4.01%
04/03/2026
Debra Caplin
milehimodern - Boulder
20250719 Unit 309
07/19/2025
309
2 Bed
1 Bath
800 ft²
$675,000
bedrooms
2 Bed
bathrooms
1 Bath
square feet
800 ft²
$650,000 -3.70%
09/03/2025
John McElveen
milehimodern - Boulder
20241205 Unit 205
12/05/2024
205
2 Bed
1 Bath
953 ft²
$975,000
bedrooms
2 Bed
bathrooms
1 Bath
square feet
953 ft²
-
-
John McElveen
milehimodern - Boulder
20250507 Unit 102
05/07/2025
102
2 Bed
2 Bath
940 ft²
$725,000
bedrooms
2 Bed
bathrooms
2 Bath
square feet
940 ft²
$695,000 -4.14%
12/11/2025
Debra Caplin
milehimodern - Boulder
20250507 Unit 105
05/07/2025
105
1 Bed
1 Bath
800 ft²
$729,000
bedrooms
1 Bed
bathrooms
1 Bath
square feet
800 ft²
$699,000 -4.12%
06/23/2025
Debra Caplin
milehimodern - Boulder
20250507 Unit 106
05/07/2025
106
3 Bed
2 Bath
1336 ft²
$1,195,000
bedrooms
3 Bed
bathrooms
2 Bath
square feet
1336 ft²
$1,150,000 -3.77%
08/04/2025
Debra Caplin
milehimodern - Boulder
20250507 Unit 104
05/07/2025
104
2 Bed
2 Bath
1230 ft²
$1,095,000
bedrooms
2 Bed
bathrooms
2 Bath
square feet
1230 ft²
$1,050,000 -4.11%
10/16/2025
Debra Caplin
milehimodern - Boulder
20250507 Unit 301
05/07/2025
301
1 Bed
1 Bath
800 ft²
$799,000
bedrooms
1 Bed
bathrooms
1 Bath
square feet
800 ft²
$765,000 -4.26%
10/22/2025
Debra Caplin
milehimodern - Boulder
20250507 Unit 306
05/07/2025
306
2 Bed
2 Bath
900 ft²
$1,035,000
bedrooms
2 Bed
bathrooms
2 Bath
square feet
900 ft²
$1,035,000
11/10/2025
Debra Caplin
milehimodern - Boulder
20250507 Unit 305
05/07/2025
305
1 Bed
1 Bath
600 ft²
$685,000
bedrooms
1 Bed
bathrooms
1 Bath
square feet
600 ft²
$685,000
06/20/2025
Debra Caplin
milehimodern - Boulder
20250507 Unit 210
05/07/2025
210
2 Bed
1 Bath
800 ft²
$610,000
bedrooms
2 Bed
bathrooms
1 Bath
square feet
800 ft²
$575,000 -5.74%
12/22/2025
Debra Caplin
milehimodern - Boulder
20241115 Unit 204
11/15/2024
204
3 Bed
2 Bath
1500 ft²
$1,550,000
bedrooms
3 Bed
bathrooms
2 Bath
square feet
1500 ft²
$1,550,000
02/04/2025
Debra Caplin
milehimodern - Boulder
20241108 Unit 303
11/08/2024
303
1 Bed
1 Bath
650 ft²
$699,000
bedrooms
1 Bed
bathrooms
1 Bath
square feet
650 ft²
$699,000
12/20/2024
John McElveen
milehimodern - Boulder
20241021 Unit 201
10/21/2024
201
2 Bed
2 Bath
964 ft²
$964,000
bedrooms
2 Bed
bathrooms
2 Bath
square feet
964 ft²
$964,000
11/18/2024
John McElveen
milehimodern - Boulder
20240919 Unit 102
09/19/2024
102
2 Bed
1 Bath
940 ft²
$899,000
bedrooms
2 Bed
bathrooms
1 Bath
square feet
940 ft²
-
-
John McElveen
milehimodern - Boulder
20240919 Unit 309
09/19/2024
309
2 Bed
1 Bath
800 ft²
$699,000
bedrooms
2 Bed
bathrooms
1 Bath
square feet
800 ft²
-
-
John McElveen
milehimodern - Boulder
20240913 Unit 203
09/13/2024
203
2 Bed
1 Bath
940 ft²
$940,000
bedrooms
2 Bed
bathrooms
1 Bath
square feet
940 ft²
-
-
John McElveen
milehimodern - Boulder
20240913 Unit 302
09/13/2024
302
1 Bed
1 Bath
650 ft²
$699,000
bedrooms
1 Bed
bathrooms
1 Bath
square feet
650 ft²
$699,000
11/07/2024
John McElveen
milehimodern - Boulder
20240906 Unit 306
09/06/2024
306
2 Bed
2 Bath
900 ft²
$1,150,000
bedrooms
2 Bed
bathrooms
2 Bath
square feet
900 ft²
-
-
John McElveen
milehimodern - Boulder
20240829 Unit 301
08/29/2024
301
1 Bed
1 Bath
800 ft²
$820,000
bedrooms
1 Bed
bathrooms
1 Bath
square feet
800 ft²
-
-
John McElveen
milehimodern - Boulder
20240829 Unit 206
08/29/2024
206
2 Bed
2 Bath
1089 ft²
$1,195,000
bedrooms
2 Bed
bathrooms
2 Bath
square feet
1089 ft²
-
-
John McElveen
milehimodern - Boulder
20240823 Unit 105
08/23/2024
105
1 Bed
1 Bath
800 ft²
$750,000
bedrooms
1 Bed
bathrooms
1 Bath
square feet
800 ft²
-
-
John McElveen
milehimodern - Boulder
20240823 Unit 104
08/23/2024
104
2 Bed
2 Bath
1230 ft²
$1,195,000
bedrooms
2 Bed
bathrooms
2 Bath
square feet
1230 ft²
-
-
John McElveen
milehimodern - Boulder
20240823 Unit 101
08/23/2024
101
3 Bed
2 Bath
1149 ft²
$998,000
bedrooms
3 Bed
bathrooms
2 Bath
square feet
1149 ft²
-
-
John McElveen
milehimodern - Boulder
20240823 Unit 210
08/23/2024
210
2 Bed
1 Bath
800 ft²
$679,000
bedrooms
2 Bed
bathrooms
1 Bath
square feet
800 ft²
-
-
John McElveen
milehimodern - Boulder
20240731 Unit 304
07/31/2024
304
2 Bed
2 Bath
1074 ft²
$1,600,000
bedrooms
2 Bed
bathrooms
2 Bath
square feet
1074 ft²
$1,530,000 -4.38%
03/31/2025
John McElveen
milehimodern - Boulder


Building Info

Overview

    General

  • Year Built: 2014
  • Effective Year Built: 2014
  • Building Count: 1
  • Total Rooms: 94
  • Bedroom Count: 44
  • Bathroom Count: 70
  • Full Bathrooms: 40
  • Partial Bathrooms: 70
  • Building Condition: 7
  • Building Quality: 4
  • Construction Type: 6
  • Building Style: 28
  • Exterior Walls Type: 23
  • Interior Walls Type: 3
  • Roof Shape Type: 0
  • Roof Cover Type: 14
  • Living Units: 26
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 1
  • Garage Square Area: 12,017
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 13,539
  • Total Building Area: 41,949
  • Gross Building Area: 41,949
  • Building Area: 29,932
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 4
  • Heated Square Feet: 29,932
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: BOULDER O T EAST & WEST & NORTH - BO
  • Land Acres: 0000000311
  • Standard Land Use Code: 1110
  • County Land Use Code: 1125
  • Legal Description 1: LOTS 7A BLK 72 BOULDER O T FKA LOTS 7-8

Neighborhood

  • School District Name: Boulder Valley School District RE-2
  • Census Tract: 012205

Geography

  • Assessors Map Reference: B17-F
  • Account Number: R0001434
  • Parcel: R0001434
  • Block: 72
  • Lot: 7
  • Meridian: SEC 30 TWN 1N RNG 70
  • Municipality: BOULDER
  • Latitude: 40.0186
  • Longitude: -105.273

    Address

  • Full Address: 1707 Walnut St
  • Address - House Number: 1707
  • Address - Street Name: Walnut
  • Address - Suffix Type: St
  • State: CO
  • City Name: Boulder
  • Carrier Code: C015
  • 4-Digit Zip Code: 5593
  • Zip Code: 80302

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $6,429,498
  • Tax Rate Code Area: 00-012

    Market Valuation

  • Market Total Value: $20,633,000
  • Market Land Value: $1,325,000
  • Market Improvement Value: $19,308,000

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $1,395,822
  • Assessed Land Value: $89,636
  • Assessed Improvements Value: $1,306,186

    Sales

  • Current Sale Contract Date: Apr 18, 2017
  • Current Sale Recording Date: Apr 18, 2017
  • Current Sale Price:
  • Current Sale Document Type: 68
  • Current Sale Input Document Number: 3587144
  • Previous Sale Recording Date: Nov 01, 2012
  • Previous Sale Contract Date: Oct 25, 2012
  • Previous Sale Amount: $2,873,350
  • Previous Sale Document Type: 68
Data used for valuation calculations is provided by RealtyHop, and other third party sources

About Central Boulder



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Frequently Asked Questions

What neighborhood is 1707 Walnut located in?
The 1707 Walnut is a house located in the neighborhood of Downtown Boulder in Central Boulder, Boulder.
How many listings are currently for sale in 1707 Walnut?
1707 Walnut has a total of zero units in the building. There are ten units for sale right now.
What is the average sales price for listings in 1707 Walnut?
The average sales price for units in 1707 Walnut is $799,000 , or $932/sqft. currently.