5052 51st St, Boulder, CO 80301 Property Records

Boulder County property record for 5052 51st St, Boulder, CO 80301

Property Summary

Property Type	Exempt (Full or Partial)
Lot Size	55.9 acres (2,435,195 sqft)
Owner	Company Name on Record
Last Sale	$389,100 (Jan 1985)
Flood Zone	Zone X (minimal risk)
APN	`1463-09-0-00-024`

Property Details

APN / Parcel Number

Primary APN	`1463-09-0-00-024`
Alternative APNs	`R0100877` `0100877`

Exterior

Lot Area	2,435,195 sqft

Location & Zoning

Account Number	R0100877
Street Address	5052 51ST ST
City	BOULDER
State	CO
Zip	80301-4310
Property Category	Other
Property Type	Other > Exempt (Full or Partial)
Local Zoning Code	A
Legal Description	56.75 ACS M/L IN S 1/2 NE 1/4 LESS RES & LESS 4.81 ACS M/L IN SW 1/4 9-1N-70 AS DESC REC NO 665240 1/4/85 BCR SPLIT FROM ID 29613
Legal Range	70
Legal Township	1N
Legal Section	09
Legal Subdivision	TR, NBR 803-830 RURAL BO & LGT
Legal Block	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2057
Census Tract	12701

Owner

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

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

Owner of Record	Company Name on Record
Mailing Address	PO BOX 791, BOULDER, CO 80306-0791
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 4, 1985 · Amount on Record
Deed Sale	Jan 4, 1985 · Amount on Record
Deed Document Number	1985665240
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$8,661 (-3.7%) Land $8,661	$33,310 (-) Land $33,310
2025	Additional exemption filed	$8,994 (-3.2%) Land $8,994	$33,310 (+0.03%) Land $33,310
2023	Additional exemption filed	$9,291 Land $9,291	$33,300 Land $33,300

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

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

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	9 in force
Nearby Flood Claims	3 (2013–2022)
Claims Outside the SFHA	3 of 3
Most Recent Claim	Aug 2022 · rainfall accumulation

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

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

Wildfire Risk	High above 70% of the US · above 66% of Colorado
Wildfire Likelihood	0.3% annual chance
Exposure	Direct burnable vegetation

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	LEFT HAND WD serves 20,280 people · EPA ID CO0107471
Water Source	Surface water
Last State Inspection	Jun 2022
Lead	1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 1 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Verizon Fixed Wireless	25 / 6