3150 18th St, Boulder, CO 80304
Property image
Property image
FOR SALE
3D VIEW
0.31 ACRES

$3,250,000

Original price: $3,350,000
  • 6 Beds
  • 5 Baths
  • 4,205 sqft (on 0.31 acres)

3150 18th St, Boulder, CO 80304

Old North Boulder
Est. Mortgage $18,860/mo*
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Home Highlights

Single-Family Home
Built in 1957
0.31 acre lot
$773/sqft
2 Car Garage

Local Information

  • Map ViewExplore the area around 3150 18th St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

Modern farmhouse elegance meets resort-style living in this North Central Boulder haven. Thoughtfully reimagined in 2015-2016, this residence sits on a large, level lot and showcases oak hardwood floors, reclaimed barn wood accents and high-end finishes throughout. A spacious living room with a gas fireplace and built-ins flows into a chef's kitchen appointed with a Wolf double oven and six-burner range, Sub-Zero refrigerator, Asko dishwasher, Tharp cabinetry and granite countertops. A generous island with a bar sink and Scotsman pellet ice maker anchors the space, while the formal dining room opens seamlessly to the back deck. Upstairs, the primary suite offers cathedral ceilings, a fireplace, Flatiron views and a Carrara marble bath with radiant heat. Multiple guest rooms, a flex studio with a deck, an expansive lower-level rec room and a backyard complete with an in-ground pool, spa and year-round hot tub elevate this exceptional home near Ideal Market and North Boulder Rec Center.
Last check for updates: about 21 hours ago
Listing courtesy of Jennifer Egbert, (303) 619-3373
milehimodern - Boulder
Source: IRES as distributed by MLS GRID, MLS#1053622
Also Listed on REcolorado as distributed by MLS GRID, REcolorado as distributed by MLS GRID, IRES as distributed by MLS GRID.

Home Details for 3150 18th St

Interior Features

Interior Details
Basement: Full,Partially FinishedNumber of Rooms: 11Types of Rooms: Primary Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Bedroom 6, Dining Room, Family Room, Kitchen, Laundry, Living Room
Beds & Baths
Number of Bedrooms: 6Number of Bathrooms: 5Number of Bathrooms (full): 2Number of Bathrooms (three quarters): 3Number of Bathrooms (main level): 3
Dimensions and Layout
Living Area: 4205 Square Feet
Appliances & Utilities
Utilities: Natural Gas Available, Electricity Available, OtherAppliances: Gas Range, Double Oven, Dishwasher, Refrigerator, Microwave, DisposalDishwasherDisposalMicrowaveRefrigerator
Heating & Cooling
Heating: Forced AirHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Forced Air
Fireplace & Spa
Fireplace: Two or MoreSpa: HeatedHas a Fireplace
Gas & Electric
Electric: Xcel EnergyGas: Xcel EnergyHas Electric on Property
Windows, Doors, Floors & Walls
Window: Window CoveringsFlooring: Wood
Levels, Entrance, & Accessibility
Stories: 2Levels: TwoFloors: Wood
View
No View

Exterior Features

Exterior Home Features
Roof: CompositionPatio / Porch: Patio, DeckFencing: Fenced, WoodExterior: BalconyHas a Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2Other Parking: AttachedNo CarportHas a GarageHas an Attached GarageParking Spaces: 2Parking: Attached
Pool
Pool: PrivatePool
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): 2861 Square Feet

Days on Market

Days on Market: 180+

Property Information

Year Built
Year Built: 1957
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence
Building
Construction Materials: Frame, Stone, Wood SidingNot a New ConstructionNot Attached Property
Property Information
Usage of Home: Single FamilyNot Included in Sale: Seller's personal property + all staging items.Parcel Number: R0005503

Price & Status

Price
List Price: $3,250,000Price Per Sqft: $773

Active Status

MLS Status: Active

Media

Location

Direction & Address
City: BoulderCommunity: Silver Maple Village 2
School Information
Elementary School: ColumbineJr High / Middle School: CaseyHigh School: BoulderHigh School District: Boulder Valley Dist RE2

Agent Information

Listing Agent
Listing ID: 1053622

Building

Building Area
Building Area: 2861 Square Feet

HOA

No HOA

Lot Information

Lot Area: 0.31 acres

Listing Info

Special Conditions: Private Owner

Offer

Listing Terms: Cash, Conventional

Miscellaneous

BasementMls Number: 1053622Attribution Contact: 303-619-3373Above Grade Unfinished Area: 2861Activation Date: Fri Mar 13 2026Showing Service Name: ShowingTime

Around this home

Neighborhood Overview

Old North Boulder
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Old North Boulder

At least 15 Trulia users voted on each feature.

  • 100 % Say it's dog friendly

  • 95 % Say there are sidewalks

  • 93 % Say there's wildlife

  • 91 % Say it's walkable to grocery stores

  • 90 % Say there's holiday spirit

  • 88 % Say it's walkable to restaurants

  • 88 % Say parking is easy

  • 83 % Say kids play outside

  • 79 % Say it's quiet

  • 78 % Say people would walk alone at night

  • 72 % Say yards are well-kept

  • 68 % Say neighbors are friendly

  • 62 % Say they plan to stay for at least 5 years

  • 55 % Say car is needed

  • 35 % Say streets are well-lit

  • 20 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.

Market trends in Boulder

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$904K
$6.67KMoM
Sale-to-List Price
98.2%
0.2%MoM
Price per sq ft
$489
$10MoM
Available listings
765
3MoM

Home Value

Trulia Estimate
$3.1M
Since last month
Increased$39K (+1.3%)
Since last year
Increased$94K (+3.1%)
Since last sale
Decreased$27K (-0.9%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +129% in the last 10 years
MonthEstimated value
2026
September 2026$3.1M
August 2026$3.06M
July 2026$3.15M
June 2026$3.17M
May 2026$3.23M
April 2026$3.23M
March 2026$3.37M
February 2026$3.03M
January 2026$2.93M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
3180 18th St, Boulder, CO
0.04
Single-Family Home
$3,550,000
05/08/26
6
5.5
4,581
3010 14th St, Boulder, CO
0.20
Single-Family Home
$2,825,000
03/19/26
5
5.5
3,817
3275 19th Street, Boulder, CO
0.14
Single-Family Home
$1,800,000
03/27/26
5
3.5
3,127
3119 9th St, Boulder, CO
0.64
Single-Family Home
$2,500,000
10/17/25
6
4.5
4,138
2025 Hermosa Dr, Boulder, CO
0.34
Single-Family Home
$2,150,000
04/15/26
5
4
3,040
1525 Jennine Pl, Boulder, CO
0.52
Single-Family Home
$4,082,500
05/01/26
4
4.5
5,338
2435 Hawthorn Avenue, Boulder, CO
0.52
Single-Family Home
$2,275,000
04/20/26
5
3.5
3,082
1719 Mapleton Ave, Boulder, CO
0.63
Single-Family Home
$3,146,500
11/19/25
5
4.5
4,257
2206 Alpine Dr, Boulder, CO
0.49
Single-Family Home
$3,100,000
12/17/25
5
6.5
4,288

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
3180 18th St, Boulder, CO 80304
0.04
$3,550,000
6
5.5
4,581
Recently Sold
3133 Fern Pl, Boulder, CO 80304
0.02
$1,699,000
4
3
2,371
For Sale
1820 Forest Ave, Boulder, CO 80304
0.06
$1,299,900
3
2
1,493
Recently Sold
3090 17th St, Boulder, CO 80304
0.05
$1,184,300
4
2
2,111
Off Market
1805 Forest Ave, Boulder, CO 80304
0.08
$1,250,000
4
2.5
1,936
Recently Sold
1742 Garland Ln, Boulder, CO 80304
0.10
$1,580,700
3
2
2,006
Off Market
3205 19th St, Boulder, CO 80304
0.09
$1,242,000
5
2.5
3,432
Off Market
1980 Floral Drive, Boulder, CO 80304
0.08
$1,051,300
4
2
2,100
Off Market
3150 19th St, Boulder, CO 80304
0.10
$783,000
3
1.5
1,095
Recently Sold
3125 20th St, Boulder, CO 80304
0.10
$958,800
3
1.5
1,536
Off Market
3275 19th Street, Boulder, CO 80304
0.14
$1,800,000
5
3.5
3,127
Recently Sold

Price and Tax history

DateEventPrice
Aug 17, 2026
Source: IRES as distributed by MLS GRID #1053622
PriceChange
$3,250,000
Price decreased by 3%
Jun 2, 2026
Source: REcolorado as distributed by MLS GRID #IR1053622
PriceChange
$3,350,000
Price decreased by 1%
Apr 29, 2026
Source: REcolorado as distributed by MLS GRID #IR1053622
PriceChange
$3,395,000
Price decreased by 2%
Apr 14, 2026
Source: IRES as distributed by MLS GRID #1053622
PriceChange
$3,475,000
Price decreased by 1%
Mar 13, 2026
Source: IRES as distributed by MLS GRID #1053622
Listed For Sale
$3,500,000

LGBTQ Local Legal Protections

Jennifer Egbert, milehimodern - Boulder
Agent Phone: (303) 619-3373
Based on information submitted to the MLS GRID as of 2026-09-21 13:48:35 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

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Frequently asked questions about 3150 18th St

  • What is the estimated monthly payment for 3150 18th St?
    Based on a $3,250,000 list price with 20% down at today's rates, the estimated monthly payment for 3150 18th St in Boulder, CO is approximately $19,151 (about $17,641 principal & interest, $1,435 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
  • How does the list price for 3150 18th St compare to homes in Boulder?
    3150 18th St in Boulder, CO is listed at $3,250,000, about 260% above the $904K median sale price in Boulder.
  • What do residents say about the Old North Boulder neighborhood?
    Residents describe the Old North Boulder neighborhood in Boulder, CO as dog-friendly, pedestrian-friendly, and walkable to grocery stores. See homes for sale in Old North Boulder, Boulder.
  • What are the closest schools to 3150 18th St?
    The closest schools to 3150 18th St in Boulder, CO are Boulder High School (rated 9/10), Casey Middle School (rated 5/10), Columbine Elementary School (Pre-K, rated 4/10).
  • Does 3150 18th St have air conditioning?
    Yes, 3150 18th St in Boulder, CO has air conditioning.
  • Does 3150 18th St have a pool?
    Yes, 3150 18th St in Boulder, CO has a pool.
3150 18th St, Boulder, CO 80304 is a 6 bedroom, 5 bathroom, 4,205 sqft single-family home built in 1957. 3150 18th St is located in Old North Boulder, Boulder. This property is currently available for sale and was listed by IRES as distributed by MLS GRID on Mar 12, 2026. The MLS # for this home is MLS# 1053622.