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3621 21st Street Boulder CO 80304
1 / 40
$13,000,000
Single Family Residence For Sale
Active
4
BEDS
5
TOTAL BATHS
6,300
SQFT
3621 21st Street
Boulder, CO 80304
Carolyn Heights Subdivision
2158 Tamarack Avenue Boulder CO 80304
New Listing - 3 weeks on site
1 / 40
$12,000,000
Single Family Residence For Sale
Active
5
BEDS
5
TOTAL BATHS
6,907
SQFT
2158 Tamarack Avenue
Boulder, CO 80304
Field Of Dreams Subdivision
440 Japonica Way Boulder CO 80304
New Listing - 4 weeks on site
1 / 22
$12,000,000
Single Family Residence For Sale
Active
3
BEDS
5
TOTAL BATHS
4,943
SQFT
440 Japonica Way
Boulder, CO 80304
Northwest Boulder Subdivision
8280 Welby Road Denver CO 80229
1 / 8
$11,950,000
Unimproved Land For Sale
Active
1,620
SQFT
8280 Welby Road
Denver, CO 80229
 
801 Yosemite Street Denver CO 80230
1 / 27
$11,900,000
Commercial Sale For Sale
Active
45,564
SQFT
801 Yosemite Street
Denver, CO 80230
 
2300 N 75th Street Boulder CO 80301
1 / 40
$11,700,000
Single Family Residence For Sale
Active
7
BEDS
11
TOTAL BATHS
16,494
SQFT
2300 N 75th Street
Boulder, CO 80301
South Central Subdivision
3633 21st Street Boulder CO 80304
1 / 40
$11,500,000
Single Family Residence For Sale
Active
7
BEDS
5
TOTAL BATHS
6,988
SQFT
3633 21st Street
Boulder, CO 80304
21st/Linden Sub Subdivision
1530 Timber Lane Boulder CO 80304
New Listing - 4 weeks on site
1 / 40
$11,250,000
Single Family Residence For Sale
Active
4
BEDS
5
TOTAL BATHS
7,016
SQFT
1530 Timber Lane
Boulder, CO 80304
Pine Brook Hills 2 Subdivision
2301-2395 W Virginia Avenue Denver CO 80223
New Listing - 4 weeks on site
1 / 28
$10,500,000
Multi Family For Sale
Active
42,904
SQFT
2301-2395 W Virginia Avenue
Denver, CO 80223
 
1757 Whistlepig Lane Broomfield CO 80020
New Listing - 6 days on site
1 / 50
$10,500,000
Single Family Residence For Sale
Active
6
BEDS
10
TOTAL BATHS
11,698
SQFT
1757 Whistlepig Lane
Broomfield, CO 80020
Whistlepig Subdivision
2650 S Delaware Street 2650 1-10, 2660 1-9 Denver CO 80223
New Listing - 3 weeks on site
1 / 24
$10,500,000
Multi Family For Sale
Active
29,118
SQFT
2650 S Delaware Street 2650 1-10, 2660 1-9
Denver, CO 80223
 
2750 E Cedar Avenue Denver CO 80209
New Listing - 4 weeks on site
1 / 40
$10,495,000
Single Family Residence For Sale
Active
7
BEDS
8
TOTAL BATHS
10,790
SQFT
2750 E Cedar Avenue
Denver, CO 80209
Polo Grounds Subdivision
1775 S Pearl Street Denver CO 80210
1 / 40
$10,400,000
Multi Family For Sale
Active
24,905
SQFT
1775 S Pearl Street
Denver, CO 80210
 
45 Bellevue Drive Boulder CO 80302
1 / 29
$10,000,000
Single Family Residence For Sale
Active
6
BEDS
8
TOTAL BATHS
10,581
SQFT
45 Bellevue Drive
Boulder, CO 80302
Bellevue Hills Subdivision
3645 Cholla Court Boulder CO 80304
1 / 39
$10,000,000
Single Family Residence For Sale
Active
4
BEDS
6
TOTAL BATHS
5,504
SQFT
3645 Cholla Court
Boulder, CO 80304
Spring Valley Estates Subdivision
20 Viking Drive Cherry Hills Village CO 80113
New Listing - 4 weeks on site
1 / 50
$9,995,000
Single Family Residence For Sale
Active
6
BEDS
7
TOTAL BATHS
9,101
SQFT
20 Viking Drive
Cherry Hills Village, CO 80113
Cherry Hills Village Subdivision
5650 E Stanford Drive Cherry Hills Village CO 80111
New Listing - 5 days on site
1 / 50
$9,750,000
Single Family Residence For Sale
Active
6
BEDS
11
TOTAL BATHS
13,172
SQFT
5650 E Stanford Drive
Cherry Hills Village, CO 80111
Charlou Park Subdivision
475-501 N Garfield Street Denver CO 80206
1 / 50
$9,500,000
Multi Family For Sale
Active
21,940
SQFT
475-501 N Garfield Street
Denver, CO 80206
 
1515 & 1531 Clermont Street Denver CO 80220
1 / 13
$9,495,000
Multi Family For Sale
Active
25,075
SQFT
1515 & 1531 Clermont Street
Denver, CO 80220
 
15355 Zuni Street Broomfield CO 80023
New Listing - 3 days on site
1 / 50
$9,375,000
Single Family Residence For Sale
Active
6
BEDS
8
TOTAL BATHS
11,075
SQFT
15355 Zuni Street
Broomfield, CO 80023
Broomfield Subdivision

Boulder, CO
City
$250,000 - $13,000,000
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8547 E Arapahoe Rd Unit J #309, Greenwood Village, CO 80112-1430

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Accessibility

Accessibility modes

Epilepsy Safe Mode
Dampens color and removes blinks
This mode enables people with epilepsy to use the website safely by eliminating the risk of seizures that result from flashing or blinking animations and risky color combinations.
Visually Impaired Mode
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This mode adjusts the website for the convenience of users with visual impairments such as Degrading Eyesight, Tunnel Vision, Cataract, Glaucoma, and others.
Cognitive Disability Mode
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This mode provides different assistive options to help users with cognitive impairments such as Dyslexia, Autism, CVA, and others, to focus on the essential elements of the website more easily.
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This mode helps users with ADHD and Neurodevelopmental disorders to read, browse, and focus on the main website elements more easily while significantly reducing distractions.
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    Welcome to Group One Realty Accessibility Statement

    Accessibility Statement

    • grouponerealty.com
    • May 21, 2025

    Compliance status

    We firmly believe that the internet should be available and accessible to anyone, and are committed to providing a website that is accessible to the widest possible audience, regardless of circumstance and ability.

    To fulfill this, we aim to adhere as strictly as possible to the World Wide Web Consortium’s (W3C) Web Content Accessibility Guidelines 2.1 (WCAG 2.1) at the AA level. These guidelines explain how to make web content accessible to people with a wide array of disabilities. Complying with those guidelines helps us ensure that the website is accessible to all people: blind people, people with motor impairments, visual impairment, cognitive disabilities, and more.

    This website utilizes various technologies that are meant to make it as accessible as possible at all times. We utilize an accessibility interface that allows persons with specific disabilities to adjust the website’s UI (user interface) and design it to their personal needs.

    Additionally, the website utilizes an AI-based application that runs in the background and optimizes its accessibility level constantly. This application remediates the website’s HTML, adapts Its functionality and behavior for screen-readers used by the blind users, and for keyboard functions used by individuals with motor impairments.

    If you’ve found a malfunction or have ideas for improvement, we’ll be happy to hear from you. You can reach out to the website’s operators by using the following email [email protected]

    Screen-reader and keyboard navigation

    Our website implements the ARIA attributes (Accessible Rich Internet Applications) technique, alongside various different behavioral changes, to ensure blind users visiting with screen-readers are able to read, comprehend, and enjoy the website’s functions. As soon as a user with a screen-reader enters your site, they immediately receive a prompt to enter the Screen-Reader Profile so they can browse and operate your site effectively. Here’s how our website covers some of the most important screen-reader requirements, alongside console screenshots of code examples:

    1. Screen-reader optimization: we run a background process that learns the website’s components from top to bottom, to ensure ongoing compliance even when updating the website. In this process, we provide screen-readers with meaningful data using the ARIA set of attributes. For example, we provide accurate form labels; descriptions for actionable icons (social media icons, search icons, cart icons, etc.); validation guidance for form inputs; element roles such as buttons, menus, modal dialogues (popups), and others. Additionally, the background process scans all of the website’s images and provides an accurate and meaningful image-object-recognition-based description as an ALT (alternate text) tag for images that are not described. It will also extract texts that are embedded within the image, using an OCR (optical character recognition) technology. To turn on screen-reader adjustments at any time, users need only to press the Alt+1 keyboard combination. Screen-reader users also get automatic announcements to turn the Screen-reader mode on as soon as they enter the website.

      These adjustments are compatible with all popular screen readers, including JAWS and NVDA.

    2. Keyboard navigation optimization: The background process also adjusts the website’s HTML, and adds various behaviors using JavaScript code to make the website operable by the keyboard. This includes the ability to navigate the website using the Tab and Shift+Tab keys, operate dropdowns with the arrow keys, close them with Esc, trigger buttons and links using the Enter key, navigate between radio and checkbox elements using the arrow keys, and fill them in with the Spacebar or Enter key.Additionally, keyboard users will find quick-navigation and content-skip menus, available at any time by clicking Alt+1, or as the first elements of the site while navigating with the keyboard. The background process also handles triggered popups by moving the keyboard focus towards them as soon as they appear, and not allow the focus drift outside of it.

      Users can also use shortcuts such as “M” (menus), “H” (headings), “F” (forms), “B” (buttons), and “G” (graphics) to jump to specific elements.

    Disability profiles supported in our website

    • Epilepsy Safe Mode: this profile enables people with epilepsy to use the website safely by eliminating the risk of seizures that result from flashing or blinking animations and risky color combinations.
    • Visually Impaired Mode: this mode adjusts the website for the convenience of users with visual impairments such as Degrading Eyesight, Tunnel Vision, Cataract, Glaucoma, and others.
    • Cognitive Disability Mode: this mode provides different assistive options to help users with cognitive impairments such as Dyslexia, Autism, CVA, and others, to focus on the essential elements of the website more easily.
    • ADHD Friendly Mode: this mode helps users with ADHD and Neurodevelopmental disorders to read, browse, and focus on the main website elements more easily while significantly reducing distractions.
    • Blindness Mode: this mode configures the website to be compatible with screen-readers such as JAWS, NVDA, VoiceOver, and TalkBack. A screen-reader is software for blind users that is installed on a computer and smartphone, and websites must be compatible with it.
    • Keyboard Navigation Profile (Motor-Impaired): this profile enables motor-impaired persons to operate the website using the keyboard Tab, Shift+Tab, and the Enter keys. Users can also use shortcuts such as “M” (menus), “H” (headings), “F” (forms), “B” (buttons), and “G” (graphics) to jump to specific elements.

    Additional UI, design, and readability adjustments

    1. Font adjustments – users, can increase and decrease its size, change its family (type), adjust the spacing, alignment, line height, and more.
    2. Color adjustments – users can select various color contrast profiles such as light, dark, inverted, and monochrome. Additionally, users can swap color schemes of titles, texts, and backgrounds, with over 7 different coloring options.
    3. Animations – epileptic users can stop all running animations with the click of a button. Animations controlled by the interface include videos, GIFs, and CSS flashing transitions.
    4. Content highlighting – users can choose to emphasize important elements such as links and titles. They can also choose to highlight focused or hovered elements only.
    5. Audio muting – users with hearing devices may experience headaches or other issues due to automatic audio playing. This option lets users mute the entire website instantly.
    6. Cognitive disorders – we utilize a search engine that is linked to Wikipedia and Wiktionary, allowing people with cognitive disorders to decipher meanings of phrases, initials, slang, and others.
    7. Additional functions – we provide users the option to change cursor color and size, use a printing mode, enable a virtual keyboard, and many other functions.

    Browser and assistive technology compatibility

    We aim to support the widest array of browsers and assistive technologies as possible, so our users can choose the best fitting tools for them, with as few limitations as possible. Therefore, we have worked very hard to be able to support all major systems that comprise over 95% of the user market share including Google Chrome, Mozilla Firefox, Apple Safari, Opera and Microsoft Edge, JAWS and NVDA (screen readers), both for Windows and for MAC users.

    Notes, comments, and feedback

    Despite our very best efforts to allow anybody to adjust the website to their needs, there may still be pages or sections that are not fully accessible, are in the process of becoming accessible, or are lacking an adequate technological solution to make them accessible. Still, we are continually improving our accessibility, adding, updating and improving its options and features, and developing and adopting new technologies. All this is meant to reach the optimal level of accessibility, following technological advancements. For any assistance, please reach out to [email protected]