When was property at 365 31st Street built and last sold?

The property at 365 31st Street was built in 1955 and last sold on Jul 19, 2023 for $746,000.

How much is this home worth?

The estimated value of the home located at 365 31st Street is $758,567.

What are some comparable homes to 365 31st Street?

There are currently no comparable homes to 365 31st Street.

Boulder

80305

Martin Acres

365 31st St

$746,000

● House - Off Market

365 31st St

Boulder, CO 80305

2 Beds

1 Bath

960 Ft²

$746,994

RealtyHop Estimate

-2.35%

Since Aug 1, 2023

CO-Denver

Primary Model

About This Property

Easily converted back to a 3BR as stated in Public Records. Classic Martin Acres Ranch with Extremely Rare oversize 2 Car Garage! Endless opportunities for creative expansion as seen throughout the neighborhood including pop-top (Flatiron views!) add-on, powder room or primary suite, kitchen expansion, 3rd BR retrofit, plus lots of Special options w/the garage! Cute as a button w/remodeled Full Bath w/soaking tub, high-end Pella Windows w/retractable screens and back door w/integral blinds! Fabulous Front Bay Window - lots of great natural light pours in! Central A/C, Red Oak flooring, built-in cabinet storage & extra closets. Garage is huge, powered w/work bench & cabinets; incredibly hard to find! Shaded yard under majestic, well-loved & manicured Ash Trees, w/gorgeous Maple in front. Great lawn & landscaping w/inground sprinklers/drip lines. Lots of Driveway parking, walking distance to CU, Martin Park, Mesa Trail and other hiking/biking trails & all that Boulder has to offer!

Unit Size

960 Ft²

Days on Market

Land Size

0.14 acres

Price per sqft

$797

Property Type

House

Property Taxes

$325

HOA Dues

Year Built

1955

Payment Calculator

Cap Rate Calculator

Last updated: 11 months ago (REcolorado MLS #5220357)

Price History

Date / Event	Date	Event
Jul 24, 2023	Sold	Premium
Sold
May 25, 2023	Listed by Marvin Gardens Real Estate	$765,000
Listed by Marvin Gardens Real Estate
Sep 18, 2006	Sold	Premium
Sold
Apr 21, 1992	Sold	Premium
Sold

Property Highlights

Air Conditioning

With View

Building Info

Overview

General

Year Built: 1955

Effective Year Built: 1980
Building Count: 1
Total Rooms: 5
Bedroom Count: 3
Bathroom Count: 1
Full Bathrooms: 1
Partial Bathrooms: 1
Building Condition: 6
Building Quality: 10
Construction Type: 6
Building Style: 11
Exterior Walls Type: 23
Interior Walls Type: 0
Roof Shape Type: 0
Roof Cover Type: 15
Floor Count: 100
Living Units: 1
Floor Cover: 0
Basement Type: 0
Basement Area: 0
Garage Type: 4
Garage Square Area: 480
Parking Space Count: 2
Patio Type: 20
Porch Type: 0
Pool Type: 0

Dimensions

Lot Size Square Feet: 6,114

Lot Size Frontage Feet: 0
Total Building Area: 960
Gross Building Area: 960
Building Area: 960
Building Area Measurement: L

Heating and Cooling

Air Conditioning: 0

Heating: 4
Heated Square Feet: 960
Heating Fuel Type: 0

Utilities

Sewer System: 0

Water Service: 0

Building

Building Type: 0

Property Class: R
Subdivision: HIGHLAND PARK 1 - BO
Land Acres: 0000000140
Standard Land Use Code: 1001
County Land Use Code: 1112
Legal Description 1: LOT 37 BLK 10 HIGHLAND PARK 1

Neighborhood

Census Tract: 012507

Geography

Assessors Map Reference: B18-K

Account Number: R0002737
Parcel: R0002737
Block: 10
Lot: 37
Municipality: BOULDER
Latitude: 39.9971
Longitude: -105.255

Address

Full Address: 365 31st St

Address - House Number: 365
Address - Street Name: 31st
Address - Suffix Type: St
State: CO
City Name: Boulder
Carrier Code: C001
4-Digit Zip Code: 3404
Zip Code: 80305

Valuation

Tax

Tax Year: 2022

Tax Amount: $389,890
Tax Rate Code Area: 00-010

Appraisal Valuation

Standard Deviation: 0.1643

Valuation Date: Nov 08, 2023
Confidence Score: 79
Final Value: 771,486
High Value: 898,295
Low Value: 644,676

Market Valuation

Market Total Value: $809,600

Market Land Value: $467,600
Market Improvement Value: $342,000

Assessments Valuation

Assessed Year: 2023

Assessed Total Value: $54,769
Assessed Land Value: $31,633
Assessed Improvements Value: $23,136

Sales

Current Sale Contract Date: Jul 19, 2023

Current Sale Recording Date: Jul 24, 2023
Current Sale Price:

Premium
Current Sale Document Type: 71
Current Sale Input Document Number: 4015469
Previous Sale Recording Date: Sep 18, 2006
Previous Sale Contract Date: Sep 15, 2006
Previous Sale Amount: $331,500
Previous Sale Document Type: 71

Previous Mortgages

Previous Mortgage Lender:

Premium

Previous Mortgage Transaction Date:

Premium
Previous Mortgage Financing Type:

Premium
Previous Mortgage Loan Amount:

Premium
Previous Mortgage Term:

Premium
Previous Mortgage Loan Type:

Premium
Previous Mortgage Loan Due Date:

Premium

Data used for valuation calculations is provided by RealtyHop, and other third party sources

Request mortgage information redaction

Comparables

About South Boulder

Stats & Trends

Median Asking:

$975,000

Sale Price/ft²

$596

Below Asking

0.02%

Average Days on Market

Average Home Size

2054 ft²

Average Home Age

50 years

Currently For Sale

64 Listings

Based on RH Advisors, Inc. calculations of home data from MLS and/or public records.

Similar Homes for Sale

Currently no similar homes around

Nearby Rentals

Unit for rent at 2037 Walnut St, CO, 80302

$1,200 /mo

1 Bed
1 Bath

2037 Walnut St, CO, 80302 Listing by Rick Rivera

Unit for rent at 1240 Cedar Ave, CO, 80304

$1,642 /mo

1 Bed
1 Bath

1240 Cedar Ave, CO, 80304 Listing by Rick Rivera

Unit for rent at 1055 Adams Circle, Other, CO, 80303

$1,264 /mo

1 Bed
1 Bath

1055 Adams Circle, Other, CO, 80303 Listing by Rick Rivera

Rentals Near You

Click here to view more rentals in the neighborhood.

Listed by: David Marvin, Marvin Gardens Real Estate
Last Updated: 11 months ago
Data Source: REcolorado MLS, MLS# 5220357

© 2026 REcolorado® All rights reserved. Certain information contained herein is derived from information which is the licensed property of, and copyrighted by, REcolorado®. The listing broker’s offer of compensation is made only to participants of the MLS where the listing is filed.

365 31st St

About This Property

Price History

Property Highlights

Building Info

Overview

Building

Neighborhood

Geography

Valuation

Comparables

About South Boulder

Stats & Trends

Similar Homes for Sale

Nearby Rentals

Frequently Asked Questions