4758 18th St, Boulder, CO 80304 Property Records

Boulder County property record for 4758 18th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	1 bd · 1 ba · 888 sqft · built 2003
Lot Size	0.035 acres (1,525 sqft)
Owner	2 Individual Names on File
Last Sale	$196,780 (Jun 2004)
Tax Bill	$3,724 (2025)
Deeds & Mortgages	Aug 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1463-07-0-40-044`

Property Details

APN / Parcel Number

Primary APN	`1463-07-0-40-044`
Alternative APNs	`R0504964` `0504964`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	5 Rooms
Building Area	888 sqft Living Area
Gross Area	1,108 sqft
1st Floor Area	660 sqft
Upper Floors Area	228 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Architectural Style	Townhouse
Exterior Material	Combination
Construction Type	Frame
Roof Material	Asphalt
Lot Area	1,525 sqft (0.035 acres)
Garage Type	Attached
Garage Area	220 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	36 sqft
Deck Area	102 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0504964
Street Address	4758 18TH ST
City	BOULDER
State	CO
Zip	80304-2261
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 44 BLK 18 HOLIDAY NEIGHBORHOOD
Legal Range	70
Legal Township	1N
Legal Section	07
Legal Subdivision	HOLIDAY NEIGHBORHOOD
Legal Block	18
Legal Lot Number	44
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1003
Census Tract	12105

Owner

Source: Boulder County records · APN 1463-07-0-40-044

Assessment roll updated June 15, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	2920 21ST ST, BOULDER, CO 80304-2748
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 18, 2004 · Amount on Record
Deed Sale	Jun 18, 2004 · Amount on Record
Deed Document Number	20042598910
Last Transfer Date	Oct 09, 2009
Transfer Doc	0003036063
Record Updated	Sep 20, 2026

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4758 18TH ST, BOULDER, CO 80304-2261
Transaction Type	Mortgage
Record Updated	Sep 16, 2021
Title Company	FITCO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2920 21ST ST, BOULDER, CO 80304-2748

Mortgage

Document Number	0003910906
Date	Aug 31, 2021
Instrument	3910906

Lender

Name	SWBC MORTGAGE CORP
Type	Mortgage Company
Address	SAN ANTONIO, TX 78216

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Sep 01, 2036

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$41,582 (+8.8%) Land $19,924 Building $21,658	$611,500 (-) Land $293,000 Building $318,500
2025	$3,724.00 (+5.68%)	$38,219 (-12.4%) Land $18,313 Building $19,906	$611,500 (-6.1%) Land $293,000 Building $318,500
2023	$3,524.00 (+6.53%)	$43,630 (+25.31%) Land $19,041 Building $24,589	$651,200 (+29.98%) Land $284,200 Building $367,000
2022	$3,308.00	$34,819 Land $15,422 Building $19,397	$501,000 Land $221,900 Building $279,100

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	1 (1982)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jul 1982 · tidal / storm surge

Wildfire

Wildfire Risk	High above 76% of the US · above 76% of Colorado
Wildfire Likelihood	0.5% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Live Wire Networks Fixed Wireless	250 / 100
Lumen Technologies DSL · Fiber in parts of the area	140 / 20
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile USA.

Based on FCC filings for 748 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF BOULDER serves 166,080 people
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.