When was property at 1718 Mapleton Avenue built and last sold?

The property at 1718 Mapleton Avenue was built in 1910 and last sold on Dec 29, 2020 for $1,560,000.

How much is this home worth?

The estimated value of the home located at 1718 Mapleton Avenue is $1,623,793.

What are some comparable homes to 1718 Mapleton Avenue?

There are currently no comparable homes to 1718 Mapleton Avenue.

Boulder

80302

Whittier

1718 Mapleton Ave

$1,560,000

● House - Off Market

1718 Mapleton Ave

Boulder, CO 80302

4 Beds

2 Baths

2,358 Ft²

$2,002,081

RealtyHop Estimate

25.92%

Since Jan 1, 2021

CO-Denver

Primary Model

About This Property

Boulder Victorian Charm home on iconic Mapleton street with an attached apartment for rental, nanny etc. Enjoy the best of downtown Boulder with this turn of the century home full of old style charm but with lots of updates. Large open kitchen with concrete counters, large viking gas stove. Adjacent covered and screened porch to enjoy coffee with views of the flatirons. Master bedroom with a deck facing the foothills and large vaulted ceilings. All newer windows. Upstairs has a new remodeled guest bath. Lower level apartment with separate entrance equipped with full kitchen, bedroom and living room. Separate Elec. meter. Large backyard with new flagstone patio, garden beds, and a detached 2 car garage too (huge upper studio/loft expansion opportunity). Easy to show and a great downtown living situation with rental opportunity too.

Unit Size

2,358 Ft²

Days on Market

Land Size

0.14 acres

Price per sqft

$674

Property Type

House

Property Taxes

$661

HOA Dues

Year Built

1910

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Last updated: 2 years ago (REcolorado MLS #6818819)

Price History

Date / Event	Date	Event
Dec 29, 2020	Sold	Premium
Sold
Oct 19, 2020	No longer available	-
No longer available
Oct 9, 2020	Listed	$1,590,000
Listed
Oct 2, 2020	No longer available	-
No longer available
Aug 25, 2020	Price Decreased	$1,650,000 ↓ $45K (2.7%)
Price Decreased
Jul 7, 2020	Price Decreased	$1,695,000 ↓ $55K (3.1%)
Price Decreased
May 31, 2020	Listed	$1,750,000
Listed

	Boulder Victorian Charm and updates. Enjoy the best of downtown Boulder with this turn of the century home full of old style charm but with the updates you'll want. Large updated and open kitchen with concrete counters, large viking gas stove. an adjacent covered and screened porch to enjoy coffee with views of the flatirons. All newer windows. Upstairs has a new remodeled bath and master bedroom with a deck facing the foothills and large vaulted ceilings. To top it off this home offers an ADU apartment downstairs with full kitchen, bedroom and living room. Great for a nanny, AirBnb, or rental. Separate Elec. meter. Large backyard with new flagstone patio, garden beds, and a detached 2 car garage too (huge upper studio/loft expansion opp). Someone is going to thank you for showing them this beautiful home! The manager has listed the unit size as 2358 square feet.
May 27, 2020	No longer available	-
No longer available
May 5, 2020	Price Decreased	$1,725,000 ↓ $25K (1.4%)
Price Decreased
Jan 21, 2020	Listed	$1,750,000
Listed
Oct 30, 2014	Sold	Premium
Sold

Property Highlights

Fireplace

Building Info

Overview

General

Year Built: 1910

Effective Year Built: 1985
Building Count: 1
Total Rooms: 8
Bedroom Count: 4
Bathroom Count: 4
Full Bathrooms: 2
Partial Bathrooms: 4
Building Condition: 3
Building Quality: 4
Construction Type: 12
Building Style: 0
Exterior Walls Type: 23
Interior Walls Type: 6
Roof Shape Type: 0
Roof Cover Type: 0
Floor Count: 200
Floor Cover: 0
Basement Type: 6
Basement Area: 318
Garage Type: 4
Garage Square Area: 528
Parking Space Count: 2
Patio Type: 0
Porch Type: 8
Pool Type: 0

Dimensions

Lot Size Square Feet: 5,886

Total Building Area: 2,003
Gross Building Area: 2,081
Building Area: 1,949
Building Area Measurement: L

Heating and Cooling

Air Conditioning: 0

Heating: 10
Heated Square Feet: 1,949
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: 0000000135
Standard Land Use Code: 1001
County Land Use Code: 1112
Legal Description 1: W 2/3 LOT 3 & 10 FT STRP ADJ BLK 21 BOULDER NORTH

Neighborhood

School District Name: Boulder Valley School District RE-2

Census Tract: 012205

Geography

Assessors Map Reference: B17-F

Account Number: R0003666
Parcel: R0003666
Block: 21
Lot: 3
Meridian: SEC 30 TWN 1N RNG 70
Municipality: BOULDER
Latitude: 40.0222
Longitude: -105.274

Address

Full Address: 1718 Mapleton Ave

Address - House Number: 1718
Address - Street Name: Mapleton
Address - Suffix Type: Ave
State: CO
City Name: Boulder
Carrier Code: C022
4-Digit Zip Code: 4262
Zip Code: 80304

Valuation

Tax

Tax Year: 2022

Tax Amount: $965,736
Initial Tax Delinquent Year: 2019
Tax Rate Code Area: 00-010

Appraisal Valuation

Standard Deviation: 0.1714

Valuation Date: May 17, 2023
Confidence Score: 78
Final Value: 1,918,445
High Value: 2,247,288
Low Value: 1,589,602

Open Liens

Total Open Liens:

Premium

Total Open Liens Amount:

Premium
First Open Lien Mortgage Lender:

Premium
First Open Lien Mortgage Recording Date:

Premium
First Open Lien Mortgage Loan Amount:

Premium
First Open Lien Mortgage Term:

Premium
First Open Lien Mortgage Position:

Premium
First Open Lien Mortgage Loan Type:

Premium
First Open Lien Mortgage Loan Due Date:

Premium

Market Valuation

Market Total Value: $2,023,100

Market Land Value: $967,200
Market Improvement Value: $1,055,900

Assessments Valuation

Assessed Year: 2023

Assessed Total Value: $136,863
Assessed Land Value: $65,431
Assessed Improvements Value: $71,432

Sales

Current Sale Contract Date: Dec 29, 2020

Current Sale Recording Date: Dec 29, 2020
Current Sale Price:

Premium
Current Sale Document Type: 68
Current Sale Input Document Number: 3846190
Previous Sale Recording Date: Oct 30, 2014
Previous Sale Contract Date: Oct 30, 2014
Previous Sale Amount: $1,190,000
Previous Sale Document Type: 71

Last Sale Mortgage

First Mortgage Lender:

Premium

First Mortgage Transaction Date:

Premium
First Mortgage Loan Amount:

Premium
First Mortgage Terms:

Premium
First Mortgage Loan Type:

Premium
First Mortgage Loan Due Date:

Premium

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

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Comparables

About Central Boulder

Stats & Trends

Median Asking:

$1,199,000

Sale Price/ft²

$719

Below Asking

0.02%

Average Days on Market

Average Home Size

2046 ft²

Average Home Age

51.8 years

Currently For Sale

288 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 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 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 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: Erik Boye,
Last Updated: 2 years ago
Data Source: REcolorado MLS, MLS# 6818819

© 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.

1718 Mapleton Ave

About This Property

Price History

Property Highlights

Building Info

Overview

Building

Neighborhood

Geography

Valuation

Comparables

About Central Boulder

Stats & Trends

Similar Homes for Sale

Nearby Rentals

Frequently Asked Questions