In the heart of Martin Acres in Boulder, CO this larger ranch-style home offers comfort, character, and exceptional value. An efficient, thoughtfully designed floor plan creates good flow from room to room. The spacious living room centers around a cozy fireplace, while two main-level bedrooms and a full bath provide comfortable living. The kitchen connects to a bright sunroom and garden room overlooking the lush backyard where you're invited to relax and entertain. Beautiful wood floors run throughout the main level and newer windows welcome an abundance of natural light, creating bright, airy spaces that bring the outdoors in. The fully finished lower level offers remarkable flexibility with a large family room, two conforming bedrooms with egress windows, a three-quarter bath, laundry, kitchenette and a rare under-garage storage space. With its private living configuration, the lower level presents an outstanding opportunity for multi-generational living, guest accommodations or rental income, providing buyers with the option to help offset ownership costs. The 7,000sqft property is fully fenced with lawn sprinkler system, gardens, a classic Lueb Popoff animal/tree sculpture, mature trees and offers exceptional privacy with a newer patio and built-in bench. Seasonal western views showcase the nearby Foothills and iconic Flatirons. Keep cool this summer with air-conditioning and upgraded insulation. Recent improvements include fresh exterior paint, roofing, gutters, radon mitigation and more. Near Bear Creek and Boulder's extensive bike and pedestrian trail system, Martin Park and convenient underpass access to the Table Mesa Shopping Center, featuring shops and restaurants like Southern Sun, Southside Walnut Cafe, Whole Foods, King Soopers, Boxcar Coffee, Moe's Bagel, Neptune Mountaineering and more. Quick access to Boulder Mountain Parks and Open Space trails and easy access to public transit.
Accepting backups
$1,060,000
430 S 42nd St, Boulder, CO 80305
4beds
2,724sqft
Single Family Residence
Built in 1956
6,979 Square Feet Lot
$-- Zestimate®
$389/sqft
$-- HOA
What's special
Cozy fireplaceMature treesOverlooking the lush backyardFresh exterior paintExceptional privacyFully finished lower levelThree-quarter bath
- 28 days |
- 980 |
- 40 |
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Jon Hatch 303-513-2834,
Compass - Boulder
Source: IRES as distributed by MLS GRID,MLS#: 1061877
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 2
- Full bathrooms: 1
- 3/4 bathrooms: 1
- Main level bathrooms: 1
Primary bedroom
- Description: Carpet
- Level: Main
- Area: 120 Square Feet
- Dimensions: 12 x 10
Bedroom 2
- Description: Carpet
- Level: Main
- Area: 99 Square Feet
- Dimensions: 11 x 9
Bedroom 3
- Description: Carpet
- Level: Basement
- Area: 234 Square Feet
- Dimensions: 18 x 13
Bedroom 4
- Description: Carpet
- Level: Basement
- Area: 210 Square Feet
- Dimensions: 21 x 10
Dining room
- Description: Wood
- Level: Main
- Area: 117 Square Feet
- Dimensions: 13 x 9
Family room
- Description: Brick
- Level: Main
- Area: 195 Square Feet
- Dimensions: 15 x 13
Kitchen
- Description: Tile
- Level: Main
- Area: 104 Square Feet
- Dimensions: 13 x 8
Laundry
- Description: Other
- Level: Basement
- Area: 40 Square Feet
- Dimensions: 10 x 4
Living room
- Description: Wood
- Level: Main
- Area: 234 Square Feet
- Dimensions: 18 x 13
Recreation room
- Description: Laminate
- Level: Basement
- Area: 280 Square Feet
- Dimensions: 20 x 14
Heating
- Forced Air, Wood Stove
Cooling
- Central Air
Appliances
- Included: Electric Range, Dishwasher, Refrigerator, Washer, Dryer
Features
- Separate Dining Room, Open Floorplan, Two Primary Suites, Sun Room
- Flooring: Wood
- Windows: Skylight(s), Window Coverings, Bay or Bow Window
- Basement: Full,Partially Finished,Built-In Radon,Sump Pump
- Has fireplace: Yes
- Fireplace features: Living Room
Interior area
- Total structure area: 1,374
- Total interior livable area: 2,724 sqft
- Finished area above ground: 1,374
Video & virtual tour
Property
Parking
- Total spaces: 1
- Parking features: Attached
- Attached garage spaces: 1
- Details: Attached
Features
- Levels: One
- Stories: 1
- Patio & porch: Deck
- Exterior features: Sprinkler System
- Fencing: Fenced
Lot
- Size: 6,979 Square Feet
Details
- Additional structures: Storage
- Parcel number: R0013464
- Zoning: RES
- Special conditions: Private Owner
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Frame, Brick
- Roof: Composition
Condition
- New construction: No
- Year built: 1956
Utilities & green energy
- Electric: Xcel
- Gas: Xcel
- Sewer: Public Sewer
- Water: City
- Utilities for property: Natural Gas Available, Electricity Available
Green energy
- Energy efficient items: Windows
Community & HOA
Community
- Subdivision: Martin Acres 2
HOA
- Has HOA: No
Location
- Region: Boulder
Financial & listing details
- Price per square foot: $389/sqft
- Tax assessed value: $949,800
- Annual tax amount: $5,660
- Date on market: 6/15/2026
- Listing terms: Cash,Conventional,FHA,VA Loan
- Exclusions: Tenant's personal property
- Electric utility on property: Yes
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 6/29/2026 | Pending sale | $1,060,000$389/sqft |
Source:  REcolorado as distributed by MLS GRID #IR1061877 Report a problem | ||
| 6/15/2026 | Listed for sale | $1,060,000-4.1%$389/sqft |
Source: REcolorado as distributed by MLS GRID #IR1061877 Report a problem | ||
| 3/31/2023 | Sold | $1,105,000+6.8%$406/sqft |
Source:  IRES as distributed by MLS GRID #983040 Report a problem | ||
| 3/14/2023 | Listed for sale | $1,035,000$380/sqft |
Source: IRES as distributed by MLS GRID #983040 Report a problem | ||
| 8/11/2021 | Listing removed | -- |
Source: Zillow Rental Manager Report a problem | ||
| 7/7/2021 | Listed for rent | $3,295$1/sqft |
Source: Zillow Rental Manager Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $5,007 +1.8% | $59,363 -2.1% |
| 2024 | $4,920 +12.4% | $60,662 -1% |
| 2023 | $4,377 +4.9% | $61,250 +30% |
| 2022 | $4,173 +1.9% | $47,128 -2.8% |
| 2021 | $4,095 | $48,484 +3.1% |
| 2020 | $4,095 +10.1% | $47,040 |
| 2019 | $3,719 | $47,040 +9.7% |
| 2018 | $3,719 | $42,890 -9.5% |
| 2017 | $3,719 +19.9% | $47,418 +32.4% |
| 2016 | $3,101 +5.6% | $35,820 +16.2% |
| 2015 | $2,936 +13.3% | $30,821 |
| 2014 | $2,591 -2.4% | $30,821 |
| 2013 | $2,654 +0.9% | $30,821 -2.7% |
| 2012 | $2,631 +19.8% | $31,680 |
| 2011 | $2,195 +7.1% | -- |
| 2010 | $2,050 -5.6% | $27,160 |
| 2009 | $2,171 +3.5% | $27,160 -20% |
| 2008 | $2,097 +14.2% | $33,930 |
| 2007 | $1,836 +3.9% | $33,930 +18.1% |
| 2006 | $1,767 -1.8% | $28,730 |
| 2005 | $1,800 +0.7% | $28,730 -2.5% |
| 2004 | $1,787 +1.4% | $29,460 -3% |
| 2003 | $1,763 +10.3% | $30,360 +20.2% |
| 2002 | $1,598 | $25,250 -90.9% |
| 2001 | -- | $276,000 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: Martin Acres
Nearby schools
GreatSchools rating
- 9/10Creekside Elementary School At Martin ParkGrades: PK-5Distance: 0.4 mi
- 5/10Manhattan Middle School Of The Arts And AcademicsGrades: 6-8Distance: 1 mi
- 10/10Fairview High SchoolGrades: 9-12Distance: 1 mi
Schools provided by the listing agent
- Elementary: Creekside
- Middle: Manhattan
- High: Fairview
Source: IRES as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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