Public Facts
$727,000
Last sold Jul 24, 2026
1
Beds
1.75
Baths
618
Sqft
Off Market
Off Market
$621,000 estimated value
$621,000 estimated value
Built in 1906
Built in 1906
$1,005/sqft
$1,005/sqft
25 lot sqft
25 lot sqft
$645 HOA fees
$645 HOA fees
Property characteristics
Property type
Residential
Zoning type
Condominium
APN
R0140895
Parking
1
Subdivision
Mapleton Avenue Condominiums - Bo
Heating
Hot Water
Stories
1
Property History
Over the last 12 months, the sales price of 421 Mapleton Ave Boulder, CO 80304 has increased by 8%.
Price History
| Year | Price | Price/Sq Ft | |
|---|---|---|---|
| 2026 | $ 633,000 | 8 % | $ 1,024 |
| 2025 | $ 584,000 | 3 % | $ 945 |
| 2024 | $ 566,000 | 2 % | $ 916 |
| 2023 | $ 554,000 | -19 % | $ 896 |
| 2022 | $ 684,000 | 16 % | $ 1,107 |
| 2021 | $ 585,000 | ---- | $ 947 |
Tax History
| Year | Taxes | Assesments | |
|---|---|---|---|
| 2026 | ---- | $ 46,900 | |
| 2025 | $ 4,110 | 32 % | |
| 2024 | $ 3,110 | 1 % | $ 43,106 |
| 2023 | $ 3,056 | -3 % | $ 35,387 |
| 2022 | $ 3,164 | ---- | $ 34,076 |
Owner
People Living at 421 Mapleton Ave #A Boulder, CO
Dan P Summers , Age 33
Lives at
216 Byrne St, Houston, TX 77009-6704
Prior addresses: 838 Confidence Dr, Longmont, CO 80504-8470
Po Box 9664, Chapel Hill, NC 27515-9664
2301 Steel St, Houston, TX 77098-5609
Susan Rosewell Jackson , Age 82
Prior addresses: 421 Mapleton AVE, Apt A, Boulder, CO 80304-3962
255 Canyon Blvd, Ste 300, Boulder, CO 80302-4954
Elizabeth A Summers , Age 30
Prior addresses: 3165 Sawtelle BLVD, Apt 107, Los Angeles, CA 90066-1419
9664 PO Box, Chapel Hill, NC 27515-9664
124 S Boundary ST, Chapel Hill, NC 27514-3808
Neighbors
The community and neighborhood dynamics can have an effect on your property. We encourage you to engage with the local community at 421 Mapleton Ave Boulder, CO and explore the neighborhood to get a sense of the environment.
You can see properties surrounding 421 Mapleton Ave Boulder, CO at [40.020848,-105.290894]
FAQs
Is this property currently for sale?
The property is not for sale and last sold for $727,000 on Jul 24, 2026. Use USPhoneBook to review nearby listings or compare similar homes in the area.
What is the estimated value of this property?
The estimated value is $621,000, reflecting a 8% change over the past year. You can explore price history and tax records to see how the value has changed over time.
How big is this property?
It features approximately 618 sq ft of living space on a 25 sq ft lot, built in 1906 and classified as a Condominium.
What nearby properties can I compare this to?
We currently do not have enough nearby property data to provide comparisons for this location.