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Boulder 80304 Mapleton Hill
840 Maxwell Ave
$1,580,000
● House - Off Market

840 Maxwell Ave

Boulder, CO 80304
bedrooms
4 Beds
bathrooms
2 Baths
square feet
2,945 Ft²
$1,867,018
RealtyHop Estimate
16.69%
Since Apr 1, 2021
CO-Denver
Primary Model

About This Property

Perfect location! Walk to hiking trails and Mt Sanitas, downtown Pearl St restaurants, shops, Ideal market, and the farmers market. Beautiful 1898 house with careful renovations that maximize this exceptional space. Three floors, all with walkout access. Radiant heat makes your feet happy, and high ceilings feel spacious. Courtyard, porches, and patios provide ample outdoor living. This home has stunning character. Views of Mt Sanitas, built-in book shelves, versatile floor plan, exposed brick, inside-outside living with gardens that bloom spring through early fall, walk-out lower level with climbing wall, 9ft ceilings, lots of storage nooks. Access to the best of Boulder!
Unit Size
2,945 Ft²
Days on Market
-
Land Size
0.11 acres
Price per sqft
$543
Property Type
House
Property Taxes
$573
HOA Dues
-
Year Built
1900

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Cap Rate Calculator

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Cap Rate 100% Occupancy
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What does this mean?

Based on our analysis, the cap rate of this property is 1.25%. A negative cap rate indicates that the property might not be feasible as an income-producing asset. The median cap rate for a near zip code 11238 is 4.23%.

How much can I actually make?

Actual monthly rental income may vary between $4,760 and $7,140 depending on unit-specific characteristics. You can change the amount using the slider to further explore.

How is cap rate calculated?

Cap Rate = Net Operating Income (NOI) / Property Asset Value.

When calculating the cap rate, we assume 100% occupancy. Leverage (mortgage) is not considered.

Cap Rate provided by RealtyHop and RentHop, learn more about cap rate here.

Last updated: 11 months ago (REcolorado MLS #5394446)

Price History

Date / Event Date Event Price
Mar 29, 2021 Sold
Premium
Sold
Feb 4, 2021 Listed by 8z Real Estate $1,600,000
Listed by 8z Real Estate
Apr 13, 1992 Sold
Premium
Sold

Property Highlights

Fireplace

Building Info

Overview

    General

  • Year Built: 1900
  • Effective Year Built: 1995
  • Building Count: 1
  • Total Rooms: 9
  • Bedroom Count: 4
  • Bathroom Count: 3
  • Full Bathrooms: 2
  • Partial Bathrooms: 3
  • Building Condition: 6
  • Building Quality: 9
  • Construction Type: 12
  • Building Style: 0
  • Exterior Walls Type: 23
  • Interior Walls Type: 3
  • Roof Shape Type: 0
  • Roof Cover Type: 15
  • Floor Count: 200
  • Living Units: 1
  • Floor Cover: 0
  • Basement Type: 3
  • Basement Area: 1,025
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 8
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 4,595
  • Total Building Area: 2,945
  • Gross Building Area: 2,945
  • Building Area: 2,945
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 10
  • Heated Square Feet: 2,945
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: MAPLETON - BO
  • Land Acres: 0000000106
  • Standard Land Use Code: 1001
  • County Land Use Code: 1112
  • Legal Description 1: N 82.1 FT LOTS 1-2 BLK 2 MAPLETON

Neighborhood

  • School District Name: Boulder Valley School District RE-2
  • Census Tract: 012101

Geography

  • Assessors Map Reference: B17-F
  • Account Number: R0000444
  • Parcel: R0000444
  • Block: 2
  • Lot: 1
  • Meridian: SEC 25 TWN 1N RNG 71
  • Municipality: BOULDER
  • Latitude: 40.0215
  • Longitude: -105.285

    Address

  • Full Address: 840 Maxwell Ave
  • Address - House Number: 840
  • Address - Street Name: Maxwell
  • Address - Suffix Type: Ave
  • State: CO
  • City Name: Boulder
  • Carrier Code: C004
  • 4-Digit Zip Code: 3944
  • Zip Code: 80304

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $810,108
  • Tax Rate Code Area: 00-010

    Appraisal Valuation

  • Standard Deviation: 0.1714
  • Valuation Date: May 17, 2023
  • Confidence Score: 78
  • Final Value: 2,091,947
  • High Value: 2,450,530
  • Low Value: 1,733,364

    Market Valuation

  • Market Total Value: $1,752,600
  • Market Land Value: $1,239,000
  • Market Improvement Value: $513,600

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $118,563
  • Assessed Land Value: $83,818
  • Assessed Improvements Value: $34,745

    Sales

  • Current Sale Contract Date: Mar 17, 2021
  • Current Sale Recording Date: Mar 29, 2021
  • Current Sale Price:
    Premium
  • Current Sale Document Type: 71
  • Current Sale Input Document Number: 3871902
  • Previous Sale Recording Date: Apr 13, 1992
  • Previous Sale Contract Date: Apr 13, 1992
  • Previous Sale Amount: $134,000
  • Previous Sale Document Type: 27
Data used for valuation calculations is provided by RealtyHop, and other third party sources
Request mortgage information redaction

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Central Boulder

Stats & Trends

Median Asking:

$1,199,000

Sale Price/ft²

$719

Below Asking

0.02%

Average Days on Market

59

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 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

Rentals Near You

Click here to view more rentals in the neighborhood.
REcolorado

Listed by: Marcia Cotlar, 8z Real Estate
Last Updated: 11 months ago
Data Source: REcolorado MLS, MLS# 5394446
© 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.

Frequently Asked Questions

When was property at 840 Maxwell Avenue built and last sold?
The property at 840 Maxwell Avenue was built in 1900 and last sold on Mar 17, 2021 for $1,580,000.
How much is this home worth?
The estimated value of the home located at 840 Maxwell Avenue is $1,657,591.
What are some comparable homes to 840 Maxwell Avenue?
There are currently no comparable homes to 840 Maxwell Avenue.
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