858 3rd Ave
Longmont, CO 80501
Sunset- 3 Beds
- 2.5 Baths
- 5,371 sqft (on 0.50 acres)
3 Beds
2.5 Baths
5,371 sqft
(on 0.50 acres)
Local Information
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Description
Timeless Elegance in the Heart of Old Town, one of Longmont's most distinguished historic residences, The Emmons-Adler House. A rare opportunity in turn-of-the-century architecture, bold, symmetrical, and commanding on its half-acre lot along coveted 3rd Avenue. The crown jewel of the exterior is the sweeping wrap-around porch, perfectly proportioned to match the home's stately presence. Whether you're sipping morning coffee as the neighborhood stirs to life or hosting friends on a warm Colorado evening, this porch is the kind that makes passersby stop and stare. It is quintessential Old Town living at its finest. Inside, over 5,000 square feet of thoughtfully arranged living space unfolds across three generous bedrooms, three bathrooms, and a spectacular bonus third-floor great room. Throughout the home, soaring leaded-glass windows cast ever-changing light across richly appointed rooms, their artistry a daily reminder of the era's uncompromising craftsmanship. Deep woodwork, gracious proportions, and the quiet confidence of a home that has stood beautifully for over a century complete an interior that no new construction can replicate. The historic designation confers a deep sense of pride of ownership and places this property among a rare and celebrated collection of Longmont's most treasured homes. The grounds are nothing short of exceptional. The rare half-acre lot is lushly private and serene - a true urban sanctuary in the heart of Old Town. A charming garden house anchors the backyard, perfect as a studio, workshop, or haven for the dedicated gardener. The detached two-car garage provides ample storage and parking, while the drive-through driveway adds a gracious, practical elegance. The private garden area is a hidden gem. Mature trees and beautiful outdoor spaces complete a setting that is as livable as the home itself. Stroll to restaurants, coffee houses, breweries, shops, local events, and all Downtown has to offer. Love Where You Live
Home Highlights
Parking
Garage
Outdoor
Deck
A/C
Heating only
HOA
None
Price/Sqft
$298
Listed
12 days ago
Home Details for 858 3rd Ave
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Interior Details Basement: Partially Finished,Walk-Out AccessNumber of Rooms: 10Types of Rooms: Primary Bedroom, Bedroom 2, Bedroom 3, Dining Room, Family Room, Great Room, Kitchen, Laundry, Living Room, Recreation Room |
Beds & Baths Number of Bedrooms: 3Number of Bathrooms: 3Number of Bathrooms (full): 1Number of Bathrooms (three quarters): 1Number of Bathrooms (half): 1Number of Bathrooms (main level): 1 |
Dimensions and Layout Living Area: 5371 Square Feet |
Appliances & Utilities Utilities: Natural Gas Available, Electricity Available, Cable Available, High Speed AvailAppliances: Gas Range, Double Oven, Dishwasher, Refrigerator, MicrowaveDishwasherMicrowaveRefrigerator |
Heating & Cooling Heating: Hot WaterHas HeatingHeating Fuel: Hot Water |
Fireplace & Spa Fireplace: Family RoomHas a Fireplace |
Gas & Electric Electric: City of LongmontGas: XcelHas Electric on Property |
Windows, Doors, Floors & Walls Window: Window Coverings, Wood Frames, Bay or Bow WindowDoor: French DoorsFlooring: Wood |
Levels, Entrance, & Accessibility Stories: 3Levels: Three Or MoreFloors: Wood |
View Has a ViewView: Hills |
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Exterior Home Features Roof: TilePatio / Porch: DeckFencing: PartialOther Structures: Carriage HouseExterior: Sprinkler System, BalconySprinkler System |
Parking & Garage Number of Garage Spaces: 2Number of Covered Spaces: 2Other Parking: DetachedNo CarportHas a GarageNo Attached GarageParking Spaces: 2Parking: Garage Door Opener,Detached,Oversized |
Frontage Road Frontage: City StreetRoad Surface Type: AsphaltNot on Waterfront |
Water & Sewer Sewer: Public Sewer |
Farm & Range Does Not Include Irrigation Water Rights |
Finished Area Finished Area (above surface): 3351 Square FeetFinished Area (below surface): 2020 Square Feet |
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Days on Market: 12 |
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Year Built Year Built: 1903 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family Residence |
Building Construction Materials: Brick, BlockNot a New ConstructionNot Attached Property |
Property Information Usage of Home: Single FamilyNot Included in Sale: Staging itemsParcel Number: R0039924 |
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Price List Price: $1,600,000Price Per Sqft: $298 |
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MLS Status: Active |
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Direction & Address City: LongmontCommunity: Old Town |
School Information Elementary School: CentralJr High / Middle School: WestviewHigh School: LongmontHigh School District: ST Vrain Dist RE 1J |
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Listing Agent Listing ID: 1057599 |
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Building Area Building Area: 5371 Square Feet |
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No HOA |
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Lot Area: 0.50 acres |
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Special Conditions: Private Owner |
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Listing Terms: Cash, Conventional |
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BasementMls Number: 1057599Attribution Contact: 303-489-0755Above Grade Unfinished Area: 3351Activation Date: Fri May 01 2026Showing Service Name: ShowingTime |
Last check for updates: about 4 hours ago
Listing courtesy of Heather Brandt, (303) 489-0755
Heather Brandt
Source: IRES as distributed by MLS GRID, MLS#1057599

Price History for 858 3rd Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 05/01/2026 | $1,600,000 | Listed For Sale | IRES as distributed by MLS GRID #1057599 |
| 10/22/1993 | $285,000 | Sold | N/A |
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Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $7,409 |
| Assessment | $1,360,400 |
Home facts updated by county records
Comparable Sales for 858 3rd Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.03 | Single-Family Home | $1,245,000 | 05/27/25 | 3 | 1.5 | 2,790 | |
0.21 | Single-Family Home | $730,000 | 12/15/25 | 4 | 3 | 4,014 | |
0.21 | Single-Family Home | $950,000 | 08/22/25 | 4 | 3 | 5,112 | |
0.27 | Single-Family Home | $418,500 | 01/14/26 | 4 | 2 | 1,836 | |
0.21 | Single-Family Home | $569,000 | 09/10/25 | 3 | 2 | 3,480 | |
0.21 | Single-Family Home | $650,000 | 10/03/25 | 4 | 2.5 | 3,617 | |
0.16 | Single-Family Home | $1,225,000 | 05/28/25 | 4 | 2 | 5,016 |
Assigned Schools
These are the assigned schools for 858 3rd Ave.
What Locals Say about Sunset
At least 24 Trulia users voted on each feature.
94 % Say yards are well-kept
94 % Say there are sidewalks
93 % Say parking is easy
90 % Say it's dog friendly
88 % Say there's holiday spirit
78 % Say car is needed
72 % Say people would walk alone at night
69 % Say streets are well-lit
67 % Say it's walkable to restaurants
66 % Say it's quiet
65 % Say neighbors are friendly
55 % Say kids play outside
42 % Say there are community events
39 % Say there's wildlife
35 % Say it's walkable to grocery stores
25 % Say they plan to stay for at least 5 years
Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Heather Brandt, Heather Brandt
Agent Phone: (303) 489-0755

Based on information submitted to the MLS GRID as of 2026-05-09 22:08:17 PDT. 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. Click here for more information
858 3rd Ave, Longmont, CO 80501 is a 3 bedroom, 3 bathroom, 5,371 sqft single-family home built in 1903. 858 3rd Ave is located in Sunset, Longmont. This property is currently available for sale and was listed by IRES as distributed by MLS GRID on Apr 28, 2026. The MLS # for this home is MLS# 1057599.

