Maureen McCarthy
RE/MAX of Boulder
(877) 845-9815
103 Total Sales
2 in South Boulder
$475K - $1.1M Price Range
285 31st St Boulder, CO 80305
South Boulder NeighborhoodEstimated Value: $1,164,614
3
Beds
2
Baths
1,330
Sq Ft
$876/Sq Ft
Est. Value
Highlights
- Spa
- Open Floorplan
- Deck
- Creekside Elementary School Rated A
- Mountain View
- Contemporary Architecture
About This Home
As of June 2026Set on a quiet, tree-lined street in the heart of South Boulder, this beautifully reimagined 1955 ranch blends high-end modern design with timeless character-offering exceptional curb appeal and true turnkey living.With 1,330 sq ft of thoughtfully designed living spaces, this 3-bedroom, 2-bath home was fully expanded and remodeled in 2018 with meticulous attention to detail. Vaulted ceilings and hardwood floors create a bright, open feel, while the gourmet kitchen and spa-inspired baths feature custom tile, premium fixtures, and handcrafted cabinetry. Distinctive elements-including structural steel accents and custom metal railings-add a refined architectural edge.The exterior features cedar and stucco siding (2018), new concrete driveway, and new roof (2020). Enjoy Colorado living from the covered post-and-beam front porch or relax in the private backyard oasis with cedar pergola, stone patio, hot tub, and fully hardscaped grounds featuring sandstone and Pennsylvania bluestone, complete with mature landscaping and automated irrigation.Two versatile outbuildings add significant value: a 220 sq ft heated garage/workshop with 220V power, and a 120 sq ft craftsman-built shed with power-ideal for office, studio, or gear storage.Proven 7-year Airbnb history generated $80K in 2025 (144 days, $555 avg/night), offering strong income potential. Included stamped plans for a pop-top addition provide a rare opportunity to nearly double the square footage. plans are a ($20K value). A truly distinctive property offering lifestyle, craftsmanship, income potential, and Flatiron views in one of SOBO's most desirable neighborhoods.
Last Agent to Sell the Property
RE/MAX of Boulder, Inc Brokerage Phone: 7202346390 License #40041294 Listed on: 04/23/2026
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Home Details
Home Type
- Single Family
Est. Annual Taxes
- $4,509
Year Built
- Built in 1955
Lot Details
- 7,405 Sq Ft Lot
- East Facing Home
- Wood Fence
- Paved or Partially Paved Lot
- Level Lot
- Sprinkler System
- Landscaped with Trees
Parking
- 1 Car Detached Garage
- Heated Garage
Home Design
- Contemporary Architecture
- Composition Roof
- Rubber Roof
- Stucco
Interior Spaces
- 1,330 Sq Ft Home
- 1-Story Property
- Open Floorplan
- Bar Fridge
- Cathedral Ceiling
- Window Treatments
- Living Room
- Workshop
- Mountain Views
- Crawl Space
- Fire and Smoke Detector
Kitchen
- Eat-In Kitchen
- Gas Range
- Dishwasher
- Disposal
Bedrooms and Bathrooms
- 3 Bedrooms
- Bidet
Laundry
- Laundry Room
- Dryer
- Washer
Outdoor Features
- Spa
- Deck
- Patio
- Outdoor Storage
- Outbuilding
Schools
- Bear Creek Elementary School
- Manhattan Middle School
- Fairview High School
Additional Features
- Riding Trail
- Forced Air Heating and Cooling System
Community Details
- No Home Owners Association
- Highland Park 1 Subdivision
Listing and Financial Details
- Assessor Parcel Number R0004049
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Apr 23, 2026
Closed on
Jun 8, 2026
Sold by
Dilts Ryan
Bought by
Seller's Agent
Digger Braymiller
RE/MAX of Boulder, Inc
Buyer's Agent
Ian Steinmo
House Einstein
List Price
$1,000,000
Sold Price
$1,230,000
Premium/Discount to List
$230,000
23%
Views
41
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$65,386
Avg. Annual Appreciation
-17.72%
Original Mortgage
$825,000
Outstanding Balance
$823,424
Interest Rate
6.23%
Mortgage Type
New Conventional
Estimated Equity
$341,190
Purchase Details
Closed on
Sep 14, 2021
Sold by
Dilts Ryan H and 7Riley Kathy A
Bought by
Dilts Ryan H
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$548,250
Interest Rate
2.8%
Mortgage Type
New Conventional
Purchase Details
Closed on
Jun 29, 2018
Sold by
Dilts Ryan H
Bought by
Dilts Ryan H
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$185,000
Interest Rate
4.5%
Mortgage Type
New Conventional
Purchase Details
Listed on
Jun 30, 2013
Closed on
Jul 19, 2013
Sold by
Beason M Diana and Grosjean Martin
Bought by
Dilts Ryan H
Seller's Agent
Steve Altermatt
8z Real Estate
Buyer's Agent
Digger Braymiller
RE/MAX of Boulder, Inc
List Price
$355,000
Sold Price
$365,000
Premium/Discount to List
$10,000
2.82%
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
9.20%
Purchase Details
Closed on
Aug 15, 2008
Sold by
Beason M Diann
Bought by
Beason M Diann
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$280,000
Interest Rate
6.54%
Mortgage Type
New Conventional
Purchase Details
Closed on
Jun 1, 2007
Sold by
The Board Of Trustees Of The Leland Stan
Bought by
Beason M Diann
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$250,000
Interest Rate
6%
Mortgage Type
Unknown
Purchase Details
Closed on
Mar 19, 2007
Sold by
Richard W & Mary S Wallace Trust
Bought by
The Board Of Trustees Of The Leland Stan and Richard W & Mary Wallace Charitable Rema
Purchase Details
Closed on
Aug 12, 1997
Sold by
Wallace Richard W and Wallace Mary S
Bought by
Richard W & Mary S Wallace Trust
Purchase Details
Closed on
Jun 30, 1976
Bought by
Dilts Ryan H
Home Values in the Area
Average Home Value in this Area
Agents Specializing in South Boulder, CO
-
Maureen McCarthy
-
Anne Wells
Anne Wells
The Agency - Boulder
(720) 487-1151
78 Total Sales
1 in South Boulder
$1,812,000 Price
-
Travis Wilcox
Travis Wilcox
RISE Real Estate
(720) 513-4975
54 Total Sales
1 in South Boulder
$799,500 Price
-
Clare Gleason
Clare Gleason
eXp Realty LLC
(720) 605-3264
48 Total Sales
3 in South Boulder
$900K - $975K Price Range
-
Anne Marie Ohly
Anne Marie Ohly
Omni Real Estate Company Inc
(970) 406-4718
563 Total Sales
1 in South Boulder
$638,000 Price
-
Michael Marino
Michael Marino
Quality Living
(720) 459-4486
47 Total Sales
1 in South Boulder
$911,000 Price
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $1,230,000 | Fidelity National Title | ||
| Dilts Ryan H | -- | Guardian Title | |
| Dilts Ryan H | -- | None Available | |
| Dilts Ryan H | $365,000 | First Colorado Title | |
| Beason M Diann | -- | None Available | |
| Beason M Diann | $312,500 | Landamerica | |
| The Board Of Trustees Of The Leland Stan | -- | Landamerica | |
| Richard W & Mary S Wallace Trust | -- | -- | |
| Dilts Ryan H | $32,500 | -- |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Borrower | Loan Amount |
|---|---|---|---|
| Open | $825,000 | ||
| Previous Owner | Dilts Ryan H | $100,000 | |
| Previous Owner | Dilts Ryan H | $548,250 | |
| Previous Owner | Dilts Ryan H | $185,000 | |
| Previous Owner | Beason M Diann | $280,000 | |
| Previous Owner | Beason M Diann | $250,000 |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 06/08/2026 06/08/26 | Sold | $1,230,000 | +23.0% | $925 / Sq Ft | |
| 04/30/2026 04/30/26 | Pending | -- | -- | -- | |
| 04/23/2026 04/23/26 | For Sale | $1,000,000 | +174.0% | $752 / Sq Ft | |
| 01/28/2019 01/28/19 | Off Market | $365,000 | -- | -- | |
| 07/19/2013 07/19/13 | Sold | $365,000 | +2.8% | $380 / Sq Ft | View Prior Sale |
| 06/30/2013 06/30/13 | For Sale | $355,000 | -- | $370 / Sq Ft |
Source: IRES MLS
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2026 | $4,509 | $51,449 | $31,906 | $19,543 |
| 2025 | $4,509 | $51,449 | $31,906 | $19,543 |
| 2024 | $4,463 | $47,288 | $29,325 | $17,963 |
| 2023 | $4,385 | $50,779 | $34,498 | $19,966 |
| 2022 | $3,923 | $42,249 | $26,125 | $16,124 |
| 2021 | $3,741 | $43,465 | $26,877 | $16,588 |
| 2020 | $3,518 | $40,419 | $25,883 | $14,536 |
| 2019 | $3,464 | $40,419 | $25,883 | $14,536 |
| 2018 | $3,011 | $34,733 | $23,832 | $10,901 |
| 2017 | $2,917 | $38,399 | $26,348 | $12,051 |
| 2016 | $2,714 | $31,355 | $16,557 | $14,798 |
| 2015 | $2,570 | $25,511 | $13,054 | $12,457 |
| 2014 | $2,145 | $25,511 | $13,054 | $12,457 |
Source: Public Records
Agents Affiliated with this Home
-
Digger Braymiller
Seller's Agent in 2026
Digger Braymiller
RE/MAX
(720) 234-6390
3 in this area
64 Total Sales
-
Ian Steinmo
IS
Buyer's Agent in 2026
Ian Steinmo
House Einstein
(720) 884-6996
3 in this area
32 Total Sales
-
Steve Altermatt
Seller's Agent in 2013
Steve Altermatt
8z Real Estate
(303) 441-5669
25 in this area
115 Total Sales
Map
Source: IRES MLS
MLS Number: IRE1057269
APN: 1577052-10-029
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
Information source: Information and Real Estate Services, LLC. Provided for limited non-commercial use only under IRES Rules © Copyright IRES.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. Listing information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Information deemed reliable but not guaranteed by the MLS.
Based on information submitted to the MLS GRID
Listings courtesy of IRES MLS as distributed by MLS GRID
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