#IR1027102, Anne Wells, Listing office: milehimodern - Boulder
#IR1036074·
Listing office: Compass - Boulder·
Listing agent: Jon Hatch·
Listing office phone: 3034875472
$3,150,000 List price
1816 Mariposa Ave Boulder, CO 80302
5 beds
3 full, 1 partial
3,672 sqft
0.2 acres
$858 / sqft
House
Property details
About 1816 Mariposa Ave
Your home search has finally been rewarded! Welcome to 1816 Mariposa Avenue, a custom-crafted sanctuary nestled in the heart of Floral Park in Lower Chautauqua-one of Boulder's most sought-after neighborhoods. Just steps from Historic Chautauqua Park, this west-facing residence blends traditional design with modern comfort, creating a quiet retreat, where time moves a bit more slowly and where you can step away from the everyday. Set on a generous 9,300 sq ft lot, the home offers a peaceful connection to nature with mature trees, lush grass, and expansive south and west facing outdoor living spaces that invite both relaxation and entertaining. Inside, you'll find carefully chosen finishes, vaulted ceilings, and a layout that flows effortlessly from room to room. If a home has a soul, it's found in the chef's kitchen-a thoughtfully designed, light-filled space that brings together form and function. Whether you're hosting friends or enjoying a quiet morning, this kitchen is built to inspire. Flatirons and Foothills views, proximity to open space trails, CU, and Downtown Boulder- this location has it all. 1816 Mariposa Avenue isn't just a house. It's where your Boulder lifestyle truly begins.
Highlights
Home typeSingle Family Residence
StatusActive
CoolingCentral Air
Size3,672 sqft
BasementYes
Lot size0.21 Acres
Year built1953
ParkingOversized
MLS #IR1036074
Garage2 spaces
FireplaceKitchen, Living Room
ViewMountain(s)
Summary
- Partial Bathrooms: 1
- Full Bathrooms: 3
- Basement: Yes
- Flooring Type: Carpet, Wood
- Interior: Eat-in Kitchen, Kitchen Island, Open Floorplan, Pantry, Vaulted Ceiling(s), Walk-In Closet(s)
- Fireplace: Kitchen, Living Room
- Total Bedroom Count: 5
- Garage Space: 2 spaces
- Parking: Oversized
- View: Mountain(s)
- Cooling: Central Air
- List Price: $3,150,000
- Price/SqFt: $857
- Annual Tax Amount: $13,233
- Tax Year: 2023
- Lot: Flood Zone, Level, Rolling/Hilly
- Directions: West on Baseline to south or left 18th Street to left on Mariposa to property on south side of the street.
- Year Built: 1953
- Living Area: 3,672 SqFt
- Lot Size: 0.21 Acres
- MLS Number: IR1036074
- MLS Name: RECOLORADO
- Office Name: Compass - Boulder
- Office Phone: (303) 487-5472
- Listing Agent: Jon Hatch
Listings courtesy of REColorado as distributed by MLS GRID.
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$3,150,000
1816 Mariposa Ave
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Price information
Property sales
We're sorry, we currently don't have property sales data for this listing.
Tax history
| Year | Assessment | Property Tax |
|---|---|---|
| 2023 | $156,927 | $13,233 |
| 2022 | $132,022 | $12,260 |
| 2021 | $135,821 | $11,690 |
| 2020 | $122,615 | $10,673 |
| 2019 | $123,473 | $9,539 |
| 2018 | $110,023 | $9,240 |
| 2017 | $110,023 | $7,974 |
History based on county public records data.
Nearby schools
5
University Hill Elementary School
Public District PK-5
0.5 mi
•956 16th St
7
Flatirons Elementary School
Public District KG-5
1.1 mi
•1150 7th St
8
Creekside Elementary School
Public District KG-5
1.2 mi
•3740 Martin Dr
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $138,636. Most Boulder, CO residents have annual incomes $200k+. The majority of families are single, no kids. The majority of residents in this area have post secondary degree education.
How much money do the neighbors make?
9%
<35k
31%
35k-100k
28%
100k-200k
32%
200k+
What level of education do the neighbors have?
No High School
High School Diploma
Post Secondary Degree
Masters Degree
Doctorate
What types of families live nearby?
55%
Single, No Kids
4%
Single, with Kids
24%
Married, No Kids
17%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
13%
<11 yrs old
4%
12-17 yrs old
32%
18-34 yrs old
38%
35-64 yrs old
13%
65+ yrs old
What do the neighbors do for fun?
Yoga/pilates
Skiing/snowboarding
Men's Tennis
Where do the neighbors shop?
H&M
Nordstrom
Bloomingdales
Where do the neighbors go to eat?
Dominos Pizza
California Pizza Kitchen
Bonefish Grill
What do the neighbors drive?
Audi
BMW
Lexus
What do the neighbors listen to?
Alternative
Talk/Personality
News
All data provided by Home Junction and Claritas
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Frequently asked questions
About 1816 Mariposa Ave
The listing price of 1816 Mariposa Ave property is $3,150,000.
The property 1816 Mariposa Ave is a house located in Boulder, Colorado, 80302.
Active Listing: 1816 Mariposa Ave is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 1816 Mariposa Ave are: University Hill Elementary School (GreatSchools Rating 5/10), Flatirons Elementary School (GreatSchools Rating 7/10), Creekside Elementary School (GreatSchools Rating 8/10), Horizons K-8 School (GreatSchools Rating 8/10), Casey Middle School (GreatSchools Rating 3/10), Summit Middle Charter School (GreatSchools Rating 9/10), New Vista High School (GreatSchools Rating 7/10), Boulder High School (GreatSchools Rating 8/10), Fairview High School (GreatSchools Rating 9/10).
According to the records, the last property tax for 2023 is $13,233 (source: MLS/based on county public records data).
The property at 1816 Mariposa Ave has 5 bedrooms and 3 full and 1 half bathrooms.
The property 1816 Mariposa Ave is 3,672 SqFt (source: MLS/tax record).
The year of construction for 1816 Mariposa Ave is 1953.
This home is located at 1816 Mariposa Ave in Boulder, CO and zip code 80302 in the West Boulder neighborhood. This 3,672 square foot home, which was built in 1953, sits on a 0.21 acre lot. Features: 5 bedrooms, 4 bathrooms. It has been listed on Rocket Homes since June 6, 2025 and is currently priced at $3,150,000.
In May 2025, from all listings sold in Boulder, CO there were more than 13 sold above asking price, over 121 sold below and more than 41 were sold right at the asked price. The number of homes for sale in Boulder, CO increased by 21.9% between April and May 2025. While the average time on the market in May 2025 was 38 days, the median list price was $979,047.
From Rocket Homes Real Estate and based on county public records data.