1633 18th St, Apt 6, Boulder, CO 80302 Property Records

Boulder County property record for 1633 18th St, Apt 6, Boulder, CO 80302

Property Summary

Property Type	Condominium
Details	2 bd · 1.5 ba · 945 sqft · built 1985
Lot Size	0.001 acres (25 sqft)
Owner	Individual Name on File
Last Sale	$519,000 (Jul 2017)
Tax Bill	$3,687 (2025)
Deeds & Mortgages	Jul 2017 Sale & Mortgage
Flood Zone	Zone AE (high risk)
APN	`1463-30-8-69-006`

Property Details

APN / Parcel Number

Primary APN	`1463-30-8-69-006`
Alternative APNs	`R0505179` `0505179`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	4 Rooms
Building Area	945 sqft Living Area
1st Floor Area	473 sqft
Upper Floors Area	472 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1985
Architectural Style	Condo/Apartment
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Lot Area	25 sqft (0.001 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0505179
Street Address	1633 18TH ST, 6
City	BOULDER
State	CO
Zip	80302-6480
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	UNIT 6 BLG A GROVE CREEK CONDOS
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	GROVE CREEK CONDOS
Legal Block	1
Legal Lot Number	6
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1018
Census Tract	12206

Owner

1633 18th St, Apt 6 is owned and occupied by an individual who bought it in July 2017.

Source: Boulder County records, as of September 18, 2026

Owner of Record	Individual Name on File
Mailing Address	1633 18TH ST, 6, BOULDER, CO 80302-6480
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 24, 2017 · Amount on File
Deed Sale	Jul 24, 2017 · Amount on File
Prior Sale	Nov 10, 2003 · Amount on File
Deed Document Number	20173605027
Prior Transfer Date	Dec 27, 2006
Prior Transfer Doc	0002827973
Record Updated	Oct 29, 2026

July 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 24, 2017
Property Address	1633 18TH ST APT 6, 6, BOULDER, CO 80302-6480
Document Number	0003605027
Instrument Date	Jul 21, 2017
Instrument	3605027
Transaction Type	Transfer
Record Updated	Aug 3, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE INSURA

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$51.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1633 18TH ST #6 BOULDER CO 803026480, 6, BOULDER, CO 80302-6480

Mortgage

Document Number	3605028
Date	Jul 24, 2017
Instrument	3605028

Lender

Name	CALIBER HM LOANS
Type	Funding / Finance Company
Address	IRVING, TX 75063

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 23, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 1633 18th St, Apt 6 was $3,687.

Source: Boulder County assessment roll, as of September 18, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$37,864 (-2.08%) Building $37,864	$618,700 (-) Building $618,700
2025	$3,687.00	$38,669 Building $38,669	$618,700 Building $618,700
2023	$3,417.00 (-6.66%)	$43,260 (+9.72%) Building $43,260	$645,669 (+13.81%) Building $645,669
2022	$3,661.00	$39,427 Building $39,427	$567,300 Building $567,300

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.

Flood

FEMA maps place 1633 18th St, Apt 6 in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 101 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	174 units insured incl. 73 condo units
Nearby Flood Claims	10 (2013)
Most Recent Claim	Oct 2013 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 9 claims

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.

Wildfire

Wildfire risk around 1633 18th St, Apt 6 is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.6% of Colorado
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 432 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20