LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|
Property-class scope

The story of this market

The typical home in ZIP 80027 sells for about $955,000, or $378 per square foot.

Prices are up +13% from a year ago, so sellers still have some momentum. Homes take about 56 days to sell. HUD's fair market rent for a two-bedroom is $2,900 a month.

ZIP market report · consumer edition · quarterly refresh
Track this ZIP

ZIP 80027 — Louisville

Boulder County →Boulder marketrefreshed Sep 25, 2026next refresh Oct 25, 2026
Market mood · cautiously optimistic

The 80027 housing market remains competitive with strong year-over-year price appreciation and steady demand. While inventory remains tight, the market is showing signs of stabilization as buyers adjust to current interest rate environments. Proximity to major employment hubs continues to drive interest in the area.

Who this ZIP fits

This ZIP is ideal for families and professionals who value a suburban lifestyle with high-quality schools and easy access to the Boulder-Denver employment corridor.

Parent geography
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 48.2 km²Water area · 0.5 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$955,000
+13% year over year
Corroborated · 1 anchor · 0% off nearest
Days on market
56 days
Active listings
102
Listings with price cuts
20%
share of active listings
Sale-to-list ratio
100%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
85
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
100
Growth/100

Median prices moved up 13.0% year over year.

70
Liquidity/100

Homes spend a median of 56 days on market with 2.9 months of supply — a fast-moving market.

74
Momentum/100

20% of listings have cut prices · homes sell at 100% of asking — demand is running ahead of supply.

97
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 2.8% · poverty 3.5% — a stable, low-distress profile.

Median price · ten-year history

Researched annual trajectory for this ZIP, from published historical series

2016201720182019202020212022202320242025202620282030$500,000$750,000$1,000,000$1,250,000$1,500,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 6.9%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Property tax · ten-year history

Median annual property tax paid on this ZIP's residential parcels

2016201720182019202020212022202320242025202620282030$3,150$4,200$5,250$6,300$7,350

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 5.8%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Census trends · population flowsACS 2020-2024 5-year estimates
Population change
+0.8%

versus the prior ACS vintage

Net migration
+150 people

net influx — more people moved in than out

Population base
21,500

ZCTA 80027, Boulder County CO

Immigration & foreign-bornU.S. Census Bureau ACS · ZIP granular
Foreign-born share
11.2%
Foreign-born residents
3,817
Naturalized (of foreign-born)
53.6%
Non-citizens (of population)
5.2%
Entered 2010 or later (of foreign-born)
30.4%
World region of birth (foreign-born)
Asia
48.8%
Europe
26.8%
Americas
20.3%
Oceania
3%
Africa
1.1%

ACS 2024 5-year estimates. Aggregate published statistics for this ZIP — never individual records, and never an attribute of any individual property or resident.

Area context
Crime & safety

Louisville generally experiences low crime rates compared to national averages, with property crime being the primary concern. Local law enforcement maintains a stable presence, and the area is considered safe for families.

Schools & education

The area is served by the highly-rated Boulder Valley School District, which is consistently recognized for academic excellence and strong college readiness metrics.

Environmental & hazard

The region faces wildfire risks, particularly in the wildland-urban interface, and is subject to periodic high-wind events. Residents are encouraged to maintain defensible space and carry appropriate hazard insurance.

Growth & development

The area benefits from proximity to major tech and research hubs in Boulder and the Denver metro area. Development is focused on maintaining a balance between suburban residential growth and preserving open space.

Taxation

Composed from the ARED governance burden registry — tier-native tax structure (state + county + city + special districts), never averaged. State (Colorado) — Statutory Agricultural Land Reclassification and Improvement Valuation: Under C.R.S. § 39-1-102(1.6)(a)(I), up to two acres of land directly underlying a residential improvement on agricultural parcels are segregated and assessed at residential rates (6.80% / 7. State (Colorado) — Senior and Disabled Veteran Property Tax Homestead Exemption: Exempts 50% of the first $200,000 of actual market value of the qualifying primary residential parcel from property taxation (a maximum actual value deduction of $100,000). State (Colorado) — Colorado Split Residential Property Tax Assessment Rate Structure: Imposes annual ad valorem property taxes determined using a bifurcated assessment rate system. Assessed Value = Actual (Market) Value × Assessment Rate. Beginning for tax years 2025/2026, residential property is assessed at 6.

Transportation & commute

Residents typically commute via US-36 toward Boulder or Denver, with access to regional bus transit and the RTD commuter rail system.

Recreation & amenities

The area features extensive trail systems, community parks, and proximity to open space preserves. Shopping and dining are concentrated in the historic downtown Louisville area.

Rental market

The rental market is characterized by high demand and limited supply, with rents reflecting the area's desirability and proximity to employment centers.

Economy & employers

The economy is driven by the aerospace, technology, and research sectors, with significant employment provided by companies in the Boulder and Denver corridors.

Transportation & infrastructure

The area is served by major highway corridors including US-36 and regional bus transit services connecting to the Denver metro area.

Development pipeline

Development is focused on infill projects and the revitalization of existing commercial districts to support sustainable growth.

Special districts

Parcels are subject to Boulder Valley School District taxes and various local utility and fire protection district assessments.

Insurance & hazard market

Property insurance premiums are influenced by regional wildfire risk assessments and the proximity to open space areas.

Discovery profileACS 2020-2024 5-year estimates
Census profile · ZCTA 80027, Boulder County CO
Population
21,500
Median age
41.2 yrs
Owner-occupancy
78.5%
Median home value
$895,000
Median gross rent
$2,450
Median household income
$135,000
Median year built
1992
Vacancy rate
3.2%
Renter share
21.5%
Owner cost burden
28.4%
Renter cost burden
35.2%
Population change
+0.8%
Net migration
150
Work-from-home share
35.5%
Mean commute
28.5 min
Bachelor's or higher
72.1%
Unemployment
2.8%
Poverty rate
3.5%
Avg household size
2.6
White
82.1%
Hispanic
8.5%
Asian
6.2%
Other
3.2%

Data retrieved from data.census.gov ZCTA 80027 profile.

Public schools with an address here · 3

Public schools whose reported address is in this area (NCES). Not attendance boundaries — schools that serve residents may sit outside it. Check the district's address locator for assignment.

Louisville ElementaryElementary8/10Boulder Valley School DistrictHighly rated for academic performance.
Louisville Middle SchoolMiddle8/10Boulder Valley School DistrictStrong focus on STEM and arts.
Monarch High SchoolHigh9/10Boulder Valley School DistrictRecognized for high graduation rates and college prep.
School districts
Boulder Valley School DistrictALarge district serving the Boulder area with high accountability scores.
Utilities & services
ElectricXcel EnergyPrimary provider for the region.
Natural GasXcel EnergyPrimary provider for the region.
InternetComcast/CenturyLinkBroadband availability varies by neighborhood.
Water/SewerCity of LouisvilleMunicipal utility services.
Major employers & industries
GoogleTechnologyMajor regional employer.
University of Colorado BoulderEducation/ResearchLarge regional anchor institution.
Ball AerospaceAerospaceSignificant local employer.
Major amenities · ZIP 80027
Theme, amusement & water parks
20+ · 20 mi
Entertainment venues, stadiums & amphitheaters
16 · 20 mi
Family fun & things to do
20+ · 13 mi
Museums, galleries & history
20+ · 20 mi
Parks, trails & nature
20+ · 13 mi
Golf
20+ · 13 mi
Shopping & dining districts
5 · 13 mi

Theme parks, venues, golf, airports, museums, water and shopping across the area from Google Maps, ranked by popularity within the radius shown.

Amenities & attractions3 retained amenities · 1 development on the horizon
Inside this ZIP
Louisville Community Park
Park

Features sports fields, playgrounds, and picnic areas.

Coal Creek Trail
Trail

Extensive paved trail system for walking and cycling.

Historic Downtown Louisville
Shopping/Dining

Hub for local restaurants, boutiques, and community events.

On the horizon · announced & under construction
Louisville Mixed-Use RedevelopmentMixed-UseApprovedPlanned expansion of residential and commercial space in the downtown core.
Sources · 4 cited

Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.