# 621 1st Ave, Lyons, CO 80540

> **TL;DR:** 4bd/5ba single family, $1,725,000 ($421/sqft), built 2005, 4,095 sqft.
> Fireplace, View, A/C. Est. $9,226/mo. Listed 11 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $1,725,000 |
| Price/sqft | $421 |
| Bedrooms | 4 |
| Bathrooms | 2 full, 1 half |
| Square Feet | 4,095 |
| Year Built | 2005 |
| Lot Size | 7,405 sqft (0.17 acres) |
| Property Type | Single Family (Single Family Residence) |
| Status | Active |
| Days on Market | 11 |

## Why This Home Stands Out

- **Views** - City

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Principal & Interest (20% down, 30-year at 6.5%) | $8,723 |
| Estimated Insurance | $503 |
| **Total** | **$9,226** |

## Nearby Schools

- **Elementary:** Lyons
- **Middle:** Lyons
- **High:** Lyons

## Key Amenities

- Fireplace
- View
- A/C

## Property Highlights

- Built in 2005
- 0.17 acre lot
- Fireplace

## Description

### Agent Description
***SELLER FINANCING AVAILABLE*** Updated 4 bed (one non-conforming) executive home with 4.5 baths. Suitable for handicapped use. Open floor plan with lots of windows and unobstructed views of the back range and the Town of Lyons. Generous master suite with a 5-piece bathroom and private deck. Outdoor grill with fireplace and patio area in the back yard. Oversized 3-car attached garage. Minutes from schools and downtown. 15 min to Longmont and Boulder; 30 min to Rocky Mountain National Park.

## Location

- **Address:** 621 1st Ave, Lyons, CO 80540
- **County:** Boulder
- **Neighborhood:** Turner & Reed
- **Coordinates:** 40.224197, -105.263844
- **Google Maps:** https://www.google.com/maps?q=40.224197,-105.263844

## Listing Agent

- **Name:** The KL Team
- **Brokerage:** KL Realty
- **Phone:** 3034443177
- **Broker Phone:** (303) 444-3177
- **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/621-1st-Ave_Lyons_CO_80540_M94210-97095?f=listhub&s=IRESCO&m=1068034&c=propsimple)

## Photos

![621 1st Ave - Photo 1](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3790348005r.jpg)

![621 1st Ave - Photo 2](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f4003788476r.jpg)

![621 1st Ave - Photo 3](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f134206158r.jpg)

![621 1st Ave - Photo 4](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1917246319r.jpg)

![621 1st Ave - Photo 5](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2291527731r.jpg)

![621 1st Ave - Photo 6](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3418610503r.jpg)

![621 1st Ave - Photo 7](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1082389398r.jpg)

![621 1st Ave - Photo 8](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2409270595r.jpg)

![621 1st Ave - Photo 9](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2033696187r.jpg)

![621 1st Ave - Photo 10](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3897081619r.jpg)

![621 1st Ave - Photo 11](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1527980731r.jpg)

![621 1st Ave - Photo 12](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3396013081r.jpg)

![621 1st Ave - Photo 13](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2508197699r.jpg)

![621 1st Ave - Photo 14](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f488230159r.jpg)

![621 1st Ave - Photo 15](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2438998668r.jpg)

![621 1st Ave - Photo 16](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f324299154r.jpg)

![621 1st Ave - Photo 17](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f859809271r.jpg)

![621 1st Ave - Photo 18](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1717649274r.jpg)

![621 1st Ave - Photo 19](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f280812006r.jpg)

![621 1st Ave - Photo 20](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3280593129r.jpg)

![621 1st Ave - Photo 21](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f111946634r.jpg)

![621 1st Ave - Photo 22](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1766906639r.jpg)

![621 1st Ave - Photo 23](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1103685494r.jpg)

![621 1st Ave - Photo 24](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1179784229r.jpg)

![621 1st Ave - Photo 25](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3540827779r.jpg)

![621 1st Ave - Photo 26](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3856579986r.jpg)

![621 1st Ave - Photo 27](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1087244676r.jpg)

![621 1st Ave - Photo 28](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f4136862821r.jpg)

![621 1st Ave - Photo 29](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f775028226r.jpg)

![621 1st Ave - Photo 30](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2332297656r.jpg)

![621 1st Ave - Photo 31](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f174754587r.jpg)

![621 1st Ave - Photo 32](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2045388725r.jpg)

![621 1st Ave - Photo 33](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1861895424r.jpg)

![621 1st Ave - Photo 34](http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2323026383r.jpg)

---

**MLS#:** 1068034 | **Updated:** 2026-09-14
**Source:** listhub

*Copyright © 2026 IRES MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.*

[View on PropertySimple](https://www.propertysimple.ai/listing/621-1st-ave-lyons-co-80540-1068034)

---

## Structured Data

```json
{
  "@context": "https://schema.org",
  "@type": "RealEstateListing",
  "@id": "https://www.propertysimple.ai/listing/621-1st-ave-lyons-co-80540-1068034#listing",
  "url": "https://www.propertysimple.ai/listing/621-1st-ave-lyons-co-80540-1068034",
  "name": "621 1st Ave, Lyons, CO 80540",
  "description": "***SELLER FINANCING AVAILABLE*** Updated 4 bed (one non-conforming) executive home with 4.5 baths. Suitable for handicapped use. Open floor plan with lots of windows and unobstructed views of the back range and the Town of Lyons. Generous master suite with a 5-piece bathroom and private deck. Outdoor grill with fireplace and patio area in the back yard. Oversized 3-car attached garage. Minutes from schools and downtown. 15 min to Longmont and Boulder; 30 min to Rocky Mountain National Park.",
  "image": [
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3790348005r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f4003788476r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f134206158r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1917246319r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2291527731r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3418610503r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1082389398r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2409270595r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2033696187r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3897081619r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1527980731r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3396013081r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2508197699r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f488230159r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2438998668r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f324299154r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f859809271r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1717649274r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f280812006r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3280593129r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f111946634r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1766906639r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1103685494r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1179784229r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3540827779r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3856579986r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1087244676r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f4136862821r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f775028226r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2332297656r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f174754587r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2045388725r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1861895424r.jpg",
    "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2323026383r.jpg"
  ],
  "primaryImageOfPage": {
    "@type": "ImageObject",
    "url": "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3790348005r.jpg",
    "caption": "621 1st Ave - Lyons, CO"
  },
  "datePosted": "2026-09-04T00:00:00+00:00",
  "dateModified": "2026-09-14T23:32:53.257489+00:00",
  "mainEntity": {
    "@type": "Accommodation",
    "@id": "https://www.propertysimple.ai/listing/621-1st-ave-lyons-co-80540-1068034#property",
    "name": "621 1st Ave, Lyons, CO 80540",
    "address": {
      "@type": "PostalAddress",
      "streetAddress": "621 1st Ave",
      "addressLocality": "Lyons",
      "addressRegion": "CO",
      "postalCode": "80540",
      "addressCountry": "US"
    },
    "geo": {
      "@type": "GeoCoordinates",
      "latitude": 40.224197,
      "longitude": -105.263844
    },
    "image": [
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3790348005r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f4003788476r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f134206158r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1917246319r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2291527731r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3418610503r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1082389398r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2409270595r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2033696187r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3897081619r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1527980731r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3396013081r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2508197699r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f488230159r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2438998668r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f324299154r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f859809271r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1717649274r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f280812006r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3280593129r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f111946634r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1766906639r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1103685494r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1179784229r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3540827779r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f3856579986r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1087244676r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f4136862821r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f775028226r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2332297656r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f174754587r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2045388725r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f1861895424r.jpg",
      "http://lh.rdcpix.com/754de2db947526b875ab0d8fdb0961ddl-f2323026383r.jpg"
    ],
    "identifier": {
      "@type": "PropertyValue",
      "propertyID": "MLS",
      "value": "1068034"
    },
    "accommodationCategory": "Single Family Residence",
    "numberOfBedrooms": 4,
    "numberOfBathroomsTotal": 5,
    "numberOfFullBathrooms": 2,
    "numberOfPartialBathrooms": 1,
    "floorSize": {
      "@type": "QuantitativeValue",
      "value": 4095,
      "unitCode": "FTK",
      "unitText": "square feet"
    },
    "yearBuilt": 2005,
    "amenityFeature": [
      {
        "@type": "LocationFeatureSpecification",
        "name": "Heating",
        "value": "Forced Air"
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Cooling",
        "value": "Central Air, Ceiling Fan(s)"
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Appliances",
        "value": "Gas Range, Dishwasher, Refrigerator, Washer, Dryer, Microwave"
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Construction Materials",
        "value": "Frame,  Stucco"
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Views",
        "value": "City"
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Pool Features",
        "value": "Deck"
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Fireplace",
        "value": true
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Air Conditioning",
        "value": true
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "View",
        "value": true
      }
    ],
    "additionalProperty": [
      {
        "@type": "PropertyValue",
        "name": "Lot Size",
        "value": "0.17 acres"
      },
      {
        "@type": "PropertyValue",
        "name": "Property Subtype",
        "value": "Single Family Residence"
      }
    ]
  },
  "offers": {
    "@type": "Offer",
    "@id": "https://www.propertysimple.ai/listing/621-1st-ave-lyons-co-80540-1068034#offer",
    "url": "https://www.propertysimple.ai/listing/621-1st-ave-lyons-co-80540-1068034",
    "price": 1725000,
    "priceCurrency": "USD",
    "businessFunction": "http://purl.org/goodrelations/v1#Sell",
    "availability": "https://schema.org/InStock",
    "seller": {
      "@id": "https://www.propertysimple.ai/listing/621-1st-ave-lyons-co-80540-1068034#agent"
    }
  },
  "provider": {
    "@type": "Person",
    "@id": "https://www.propertysimple.ai/listing/621-1st-ave-lyons-co-80540-1068034#agent",
    "name": "The KL Team",
    "telephone": "3034443177",
    "worksFor": {
      "@type": "Organization",
      "@id": "https://www.propertysimple.ai/listing/621-1st-ave-lyons-co-80540-1068034#brokerage",
      "name": "KL Realty",
      "telephone": "(303) 444-3177"
    }
  }
}
```